diff --git a/src/trame_vtk/tools/static_viewer.html b/src/trame_vtk/tools/static_viewer.html
index 89af575..395d1d6 100644
--- a/src/trame_vtk/tools/static_viewer.html
+++ b/src/trame_vtk/tools/static_viewer.html
@@ -14,4531 +14,7 @@
     <script>
       window.global = window.global || {};
     </script>
-    <script type="module">if (typeof document !== 'undefined') {
-  var __vtkStyle = document.createElement('style');
-  __vtkStyle.textContent = 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lPbLc/apke6mZGS2VpiGBfBVigUg8HOK+P6/ST/gmr4T/tD4k674xkXKaZYLbqfSS6kyCPfbEw/Gv2HPnTo4OpUSW3bvofj+QqpWxlOnd79+2rP2cooor8DP3sKK+SPij+2t8Dvhhf3WhTXc2ranZyPDLa2UZbZIhKsryOUjBDAg4YkelfB3xB/wCCj3xO13fafD7TbXQoTwJpf9KuB7gsFiH0MbfWvocBwtjcRZxhZd3p/wAH8D57H8U4LD3Up3fZa/8AAP2oorwD9l698Xav8DdD8ReOr2XUNU1SN7yWaY5JWaRmiAA4VRHtwAAPSvf68XFUPZVJU73s7fce1hq/tacaiVrq/wB4UUUVgbhRRRQAUUUUAFFFFABRRRQAUUUUAFFFFABRRRQAUUUUAFFFFABRRRQAUUUUAFFFFABRRRQAUUUUAFFFFABRRRQAUUUUAFFFFAH/1v7+KKKKACiiigDgvij4Qj8e/D3V/CLgFr22dY89pV+aI/g4U1+CkE1xYXaXERMcsLhlPQhlOR+Rr+iivwq+PHhoeEvjB4g0WNdkYu3mjXsEnxKgHsFcCvEzin8Mz8D8bss92hjY7q8X+a/U+kf22Eh1n/hEPHlqPk1SwcAj+6Nkq/8Ao04qt+yhIbv4bfEnR35V9NBA/wB6G5U/0qL40S/25+yr4A8QHn7M4s8/7kbx4/8AINVf2RJNujePUb7p0gk/gsv+NY74lS7r9Dwfac3E8K62qQ5v/AqTv+J8N6ucaVdH/pk//oJr6r/YH8CaLoVn4g/aO8ZgJYaBDLDbOwztZY99xIv+0sZCLjrvYda+T9cbZo10f+mTj8xivtD483J+DH7E/hD4WWR8q88RiOa6A4YqcXU4J6kiR40/3eOlffcDuUsFPDQetSaXySu/wObwvpxgq2LmtKevz2X4n59fFb4j678XfiFqPjvXCTNfykxxZyIohxHEvsq4Huck8k1+nMM1n+w3+zHHcKiDxv4oAOGALJKVzyD/AAWqN05Blb0aviv9jH4axfEr49aXBfRiSy0gNqVwpGQRAR5YPYgysmQeozUv7Z3xUl+J/wAcdSjtpS+naGx061XPy/uiRK47HfLuwe6hfSv1HHUI18RTwEV7kVzS/KKPtsBXlh8PUx8n+8k+WP8A7czx34beAfFnxv8AiRa+E9Ldp7/VJmee4ly+xSd0s0hPJwMk5OWPA5Ir+jb4Z/Djwx8J/Bll4G8JQ+VaWa4LHG+WQ/fkkPd2PJP4DAAA+Jf+CeHwgh8MfD64+K2qRD7fr7GK2JHKWkTY47jzJASfUKhr9Fq+F4zzl16/1eD92H4v/gbH3PBmTKhQ+sTXvT/Bf8HcKKKK+LPtAooooAK/LL/gpp4r8rRvC/geJs+fNPfSr6eUoijP4+ZJ+VfqbX4N/wDBQHxX/wAJD+0LcaSjbo9Fsre0GOm5lM7fjmXB+mO1fWcFYb2mPjL+VN/p+p8nxrifZ4CS/maX6/ofEdfe3/BOzwp/bfx0m8RSrmPRdPmlVvSWYrCo/FHf8q+Ca/Y7/gmh4U+x+BvEfjWRcNqF7HaIT/dto95x7EzY+o9q/SuK8V7LAVH30+//AIB+bcJ4b2uPprtr93/BP0yr8tf2xv2yv7J+1fCX4R3X+lfNFqGoxN/quzQwMP4+zuPu9F+bJWv+2N+2X9i+1fCX4RXf7/mLUdShb7nZoYGH8XZ3H3furzkj8ka+T4U4TvbFYpei/V/oj6viviy18LhX6v8ARfqwJzya1NF0XV/EerW+haDbSXl5duI4YYlLO7N0AA61q+C/BXif4heJLbwl4Ps3vr+7bbHGg/NmJ4VVHLMSAByTX7yfsyfsq+GPgJpI1W/2ah4luUxcXmPliB6xQZGQnq3DP3wMKPr8+4gpYGGusnsv8/I+RyHh6rjp6aRW7/y8zhv2U/2OtI+D1vD438eJHe+J5Fyi8PFZBh92M9Gl7NJ26Lxkt92UUV+J5hmFXFVXVrO7/rY/a8Bl9LDUlSoqy/rcKrT2VndENdQpIR03KDj8was1+SPiL/gpR4h07xBfafpHhy0uLSC4ljhladwXjVyEYgLjJUA8V0ZXk+Ixbaw6vbfoYZnnGHwiTxDtfyufq7/ZGk/8+sP/AHwv+FWYLS1tQRaxJFu67VAz+QFfkD/w808Zf9CtZf8AgRJ/8TX6xeDdW1LXvCGl67rEC213e2kM80KElY5JEDMgJ5IUnGT6VpmmSYrCRTxCtfzuZ5ZnWFxcmsO728rHSVla7q9p4f0S816/OILGCS4kP+xEpdv0Ffnp8fv269Y+EPxU1H4eaFoltqEWnCIPNJM6kvJGsjDCgj5dwH1Br5n+In/BQbxl4+8Dar4JOgWtkuq20lq80czsypKNr4BABypI/GvQwXCGMqqFTl912e62Z5+N4uwVJzhze8rrZ7r5HwTrGqXeuavda1fndPeTPPIfV5GLMfzNQWFjc6nfQ6bZLvmuJFijUd2cgAfiTVSup8D+JR4M8ZaV4vNst4dLuorsQOSqyNC4dVYjPBIGa/bJXUXyI/E42lJc7P6evC+hW3hbwzp3hmy/1OnWsNrH2+WFAg/QVu1+PP8Aw808Zf8AQrWX/gRJ/wDE19Sfsr/tWeKv2h/FOp6PqWiW+nWmnWomaaKV3YyO4VEwwAwRvOfavw7HcL42jCVetHRb6o/ccDxPga040KMtXto/8j7ior5H/au/aN1/9new0TUdH0qHU49TknjkM0jJ5bRhCmNoOdwZs59K+Mf+HmnjL/oVrL/wIk/+JrPA8MYzE0lWpRun5o0x3E2Dw1V0a0rNeT/yP2Gor4o/ZU/at1b9obWtX0fV9Kg01tOgimQwyM+8OxVs7gMY4/OvtevLx+AqYaq6NZWaPUwOOpYmkq1F3TCiiuC+KHxA0n4WeANV8fa1zBpsDSBM4Mkh+WOMH1dyFH1rnpUpTkoRWrOirUjCLnJ6I72ivx5/4eaeMv8AoVrL/wACJP8A4mj/AIeaeMv+hWsv/AiT/wCJr6f/AFKzD+Rfej5j/XTL/wCf8H/kfsNRXjXwA+KVx8ZvhPpnxFvLZLOa+M6vBGxdUMUzxDBIBOQoP417LXzVehKlOVOe6dn8j6WhXjVhGpDZq6+YUUV8oftT/tN237O+j6aLC0j1LVdTlbZbyOUVYIx88jFQT94qqjvzz8prTB4OpiKio0ldszxmMp4em6tV2SPq+ivx5/4eaeMv+hWsv/AiT/4mvpb9mL9qz4g/tC+MLnSZPD1rY6Xp8Pm3V0kruVZ8iKNQQBucgnn+FW717OL4VxtCm6tWKSXmjxsJxVgq9RUqUm2/J/5H3hRXhXxx/aH8AfADTbO98a/aJZdR8wW0Fqgd5PK27+WZVUDevJbvxmvz58W/8FMvEcztH4E8M21so+7JfzPMT7lIvKx9N5+tc+X8O4zFR56UNO+yN8w4iweFk4VZ69t2fr3RX4Kal+3/APtH3zl7W+s7IHtDaRkD/v75hqjaft5/tLW0okm1i3uB/dks7cD/AMcRT+te2uAsba94/e/8jxHx7gr2tL7l/mfvzRX48+BP+Clni60uEg+I+g217bkgNLYM0EoHrskMiufYFB71+mnwo+M3w9+NOgnX/AV8LhY8CeBxsngY9FkjPI6HBGVODtJxXh5lw/i8IuatHTutUe5lvEGFxb5aMtez0f8AXoepUUUV4p7QUV8I/tSfthap8APG9l4N0bSINSa4slu5WllZNm+R0VQFB/uE/jXzP/w808Zf9CtZf+BEn/xNfR4ThTG16aq046PzR87i+KsFQqOlUnqvJ/5H7DUV86/s9/G69+LXwmk+KPjC1t9FgWedciQ+UIYAN0jO+MfNuB7ACvj74zf8FGbPTL6XQ/gtYR3wjJU6jehhEx9YoQVYj0Z2X/dI5PNhuH8VWrSoQjrHR9l8zpxPEGFo0Y15y0lt3fyP1Lor8BW/bz/aXa4M41mBVJz5Ys7faPblC361+23wj1jxJ4h+GGgeIfGBRtTv7GC5uPLXYoaZA+NvOMAgH3rXOOHK+Bip1mte3/DGOT8R0MdJwop6d/8Ahz0Sio5poreJp52CIgLMzHAAHJJJ6AV8IfFz9v8A+FPgO4l0fwTE/ia+j4LwOI7RT/13IYvj/YUqf71edgctr4mXJQjdnpY7MaGGjzV5JI+86K/C7xJ/wUP+PerzsdEXT9Jiz8qwweawHu0zOCfoo+lcvaft6ftLW0okm1i3uAP4ZLO3A/8AHEU/rX08OA8a1duK+b/yPmJceYFOyUn8v+CfvzRX5BeAP+ClniO3uI7b4naDBdQEgNPpzNFIo9fKlZ1c+29BX6bfDH4s+AvjB4fHiTwFfpeQAhZU+7LC5GdskZ+ZT6dj1BI5rw8zyDFYTWtHTutV/Xqe5luf4XFu1GWvbZ/16Ho9FFFeMewFFFFAH//X/v4ooooAKKKKACvyY/bg0X+z/i3baqg+W/0+JyfV43dD/wCOha/Wevzg/b6sFW68MaovV1u4m/4CYmX/ANCNefmcb0Wfmvi1hlUySpL+Vxf42/U8612X7f8AsS6Krf8ALlrLqPxac/8AtSqf7MReHwR8Srxf+WWhSc+/lzEfyqOWTP7F0StxjX8D3+Qmm/AdzpfwN+J2sPwslnb2yn3kEqEfjvFeZB2qQfl+jPyHDT/4UsLUfShf7qcv8j46vLH+1Fi0kHBvJoYB/wBtZFT+tfS3/BSbWfM+J+geFYeINP0oSqo6K08zqRj/AHYlr5vhvo7DxHocshwo1O1Zv91ZAx/lXsX/AAUSWQftAoX6HS7Yr9N8n9c1+peHGGsqUn1c2vuijr4KjyZLXkvtTj92p6b+ws0fgP4SfEb4yOAZbG28uEkfxW8LzFR/vM0Y/AV+bWl6fqHiTXLfSrXMt1fzpEm4klpJWCjJ68k1+iHwwm/sn/gnb43vYPvT6mUbH/TR7OI/oa+Wf2V9Hj1z9ojwjZSjITUI58H1twZh+qV+g4KryzxeJfR2/wDAY/8ABPrsdS5oYTDLqr/+BSP6IfCfhyw8H+F9O8KaUNttpttFbR8Y+WJAgP1OMn3roKKK/EZScm5M/bYxUUooKKKKkoKKKKACv5hPi74r/wCE5+KXiHxcrbk1DULiaM9f3ZkPlj8EwK/op+N/iv8A4Qf4QeJfFStsktNOnaI/9NWQrF+blRX8yNfpvh5htKlZ+S/V/ofmXiHidadFeb/RfqFfaFz+0xP4C/Z50f4JfC6Voby5ikm1fUEyrK1w7P5EJ6hghVXftjC85I+NIYZrmZLe3RpJJGCqqglmYnAAA5JJ6Coq/QMVgqdflVRXSd7eZ+f4XG1KHM6bs2rX8gr0b4W/Crxn8YfFkPg/wTame4k+aSRsiKGPPMkrfwqPzJ4AJIFec1/Rv+y74Q+Fnhn4QaXf/ClN9nqcKTzXMmDPNLjD+cw/iRty7R8qkED38jiTO3gaKnGN29F2Xqevw1kax1dwlKyWr7/In/Z+/Z18GfADw3/Z+iqLvVLlR9t1B1AklI52qOdkYP3UB9ySea+gqKK/EMTiqlabqVXds/b8NhqdGCp0lZIKKKKwNzzb4x+K/wDhBvhR4i8Wq2ySx0+4kiP/AE12ERj8XIFfzEV+8H/BQTxX/wAI/wDs+TaPG2H1q9t7TA67UJnb8P3QB+uO9fg/X65wBhuXDSqv7T/L+mfkfH+J5sTGkvsr8/8Ahkdr8NvC7eNviFofg9QSNTvre2bHZZJFVj+AJJr+olVVFCIAFAwAOABX4F/sGeFP+El/aM069dd0ej29xfOO3CeSh/B5VI9xX77V4XiBiubEQpLor/f/AMMe94f4blw86vd2+7/hz+bP4taN8QPHPxQ8QeLl0TUGTUNQuJoz9ml/1bSHyx93smBXkWreH9e0FkTXbK4smkBKCeNoywHXG4DOK/qpr8M/+CiXiz+3PjrF4dibMei6fDCy+ksxMzH8UdPyr3+G+KJYqqsMqdkl37fI+f4k4XhhaTxLqXbfbv8AM+C62dJ8O+INf8z+wrC4vfKxv8iJ5Nu7ON20HGcHGeuKxq/bX/gnD4T/ALI+Duo+KpVxJrGoMFPrFboEX/x8yV9Dn2bfUsO61rvRWPnshyn67iFRvZau5+Pf/Cu/iB/0AtQ/8BZf/ia/Xr/gnP8AD/VPC3gDXvEmuWktnc6lfJAEnRo3MVtHlWwwBwWlYfhX6K0V+Z5zxjPGUHQ5LX8/+AfpuTcHQwddV1O9r9O/zPz7/wCCj+ifb/gjp+roMtYatESfRJIpUP8A49tr8Q6/oZ/bU0T+3P2avEsajL2yQXK+3lTxsx/743V/PNX2HAdbmwTj2b/Rnx3HlHlxql3S/VH6Ef8ABNzU/svxt1PTXOFutHlwPVkmhYf+O7q/bivwE/YN1P7B+0to1tnAvILuE/hA8n80r9+6+Q47p8uOv3S/VH2HAlTmwNuzf6P9Qr8hf+Cjfxi+36vYfBfRpf3VjtvdQ2nrK6/uYz/uoS5HQ71PUV+o3xF8c6P8NPA2qeO9dOLbTIGmZc4LsOEjH+07kKvuRX8y3i/xTrHjfxRqHi/X5PNvNSne4lbtuc5wB2UdAOwAFdHAuVe1rvEzWkdvX/gL9Dn46zX2VBYaD1lv6f8ABf6nOUV7r4Q+Dt3rvwQ8W/GW9DLa6I9rbW3YSTzTxLIfcRxuMj1cHtXhVfq1LEQm5KL+F2frZP8AU/KKuHnBRcl8SuvS7X6H7x/8E+r/AO2fs629vnP2W/uovplhJ/7PX27X53/8E17/AM74M6xp5OTBrMjfQPbwY/VTX6IV+EcSQ5cdVXmfu/Dc+bA0n5EF1dW1lbSXt46xQwqXd2OFVVGSST0AHJr+bn9o34u3Pxr+LGpeMtzfYg32awRv4LWIkJwehckuw7Mxr9UP2/8A4z/8IL8NU+HOjy7dS8Shkl2nmOzX/Wn28w4jGeq7/Svw8r7ngPKeWDxc1q9F6dX8/wBD4bjzNuaawkHotX69Pu/Umt7ee7nS1tUaSWVgiIoyzMxwAAOSSegr+jT9mH4MQfBD4UWXhu4Rf7Uuv9K1Fxzm4kAyme6xrhB2OCe5r8y/2APgh/wnPj9/ihrsO7TPDrjyNw+WS9Iyn18kfOfRilft1XBx3nHNNYOD0Wr9eiO/gTJ+WDxk1q9F6dWfir/wUm8Sf2h8WdH8MxtlNO00SMPSS4lbI/75RDXxP4T+FfxK8dgP4N0G/wBTQnHmW9vI8Y+rgbR+Jr+iK++Avwo1fx7dfEvxBo8OpavciMeZdjzkjWJAiiOJsovTOdu7JJz6euxxxwxrFEoVVGAAMAAdABWOE40jhcNChQhdpat9+v8AWhti+C5YrFTr1p2Tey7dP61P55rT9iz9py9iEsPhaRQf+elzaxn8nmBrgvG37PHxt+HVo+o+L/Dd5a20Yy86qJokHq0kJdFHuSK/pZprKrqUcAqRgg8gilT8QcSpe/CLXzX6v8h1PD7DcvuTlf5f5L8z+UGvUvg58V/EfwY8e2Xjjw5I2YGC3EOcLPASPMiftgjof4Www5Fe2ftv/Dfw78NPjpPZ+FoVtbTVLSLUBBGMJE8jOjqgHRS0ZYAcDOBgYA+Qa/TMPVp4vDqbXuyW3qfmmIpVMJiHBP3ovdeR/VZoes6f4j0Sz8Q6S/mWt/BHcQv/AHo5VDqfxBFalfO37Jd5cX37OPhKa6JLLZeWM/3Y3ZF/8dUV9B3E8NrA91csEjjUszHoFAySfoK/n7F0PZ1pUl0bX3M/oDCV/aUY1X1Sf3o/n0/ba8TjxN+0hr5ibdFp/k2Se3kxLvH/AH8L18oV03jTxFN4v8Yar4ruM+Zqd5PdNnrmaRn/AK1zNf0Jl+H9jQhS7JI/nvMMR7avOr3bZ9K/Ef40X83wm8NfAnwtMYtH020S4vyh/wCPm7uGNwyse6QtJt2/3wSc4XHzVX0J+z9+zj42/aB157LQsWemWhH2u/lUmOPPRVUY3yEchQR6kgYr9cfBv7B37PHhexSLVtOm1u5A+ae8nkGT3xHEyIB6ZBI9e9eDjs/wWXfunrLdpb3et2e/gsgxuY/vVpHZN7WWlkfhb4P8PXHi7xbpfhS0z5up3cNqmOu6aRUH86/qGurrRvC2hPeXskdnYafCWd3O1I4ol5JJ6BVFeD6R+yV8AfD3imw8ZeHtBWx1DTZlnheKabbvXplGdkODz0zmviX/AIKH/Hi4a7i+BXhubbGipc6qynlmOGhgPsBiRh3ynoRXyOY4xZ1iaVGgmkr3v07n1uXYN5Lhqtau027Wt17HgH7U37XniH40ajP4U8ISyWHhaJtqxjKSXmP45u+zusfQcFstjb8T0V+k37DP7LmlePy3xb+IlqLjSraQx2FrIMx3EqHDySA8NGh+UL0Zs54XB+8q1MNlmFulaK+9v/M+DpQxOaYqzd5P7kv8j478Dfs+/Gj4k2q6h4M8OXl3bP8AdnKiKFv92WUojfgTXT+J/wBk39onwhp76rrfha68iMbna3aK5KgcklYHkIA7nHFf0aRxxxRrFEoVVAAAGAAOgAp9fBS8QsRz3jTVvnf7/wDgH30PD3D8lpVHf5W+7/gn8n9erfBr4veKfgp45tfGnhmQ/uyFubckhLiAn543HuOVOPlbBHSvpv8A4KB/DHRvAvxctvEegQrbweIbY3EsaDC/aY22ysAOBvBRj6sWPevg6v0fCYiljcMpte7Jbfmj84xeHq4LFOCfvRe/5H9T/hLxPpHjXwxYeLtBk82z1KBLiFu+2RQQCOcEZwR2ORXQ18L/APBPTxPca98AP7KuWLHR9RuLVM8kRsEnH4bpWA+lfdFfg+Z4P6viJ0ezP3jLMZ9Yw8K3dBRRRXAdx//Q/v4ooooAKKKKACvgT9vaJT4Z8PT91upl/wC+kU/0r77r4G/b1kA8L+H4e7XUx/JB/jXHmH8GR8N4lW/sPEX7L/0pHzprMn2X9jvSID1uvEEjj/dSKUH9QKd4ec6H+yDr91J8ra1rUNqnusSxy/zRvyrP+JMn9mfs4fD7RW+/dS6hdsPYS7VP4h6k+Jsh8Pfs7+A/CJ4lv3utUlHsXKxH8Uc/lXiN2u+0V+Nv8z8DrVPZzqTf2MPFfOcYq3/k7PhTx3ePFc2sULFXjzJkdjkYP6Gvrr9vl4/E2reCPiraj/R/EGhRlSOhKN5pH1AnANeY/Hr4Kan4S+Gvg/4qqpMGswPFc+iSmSSWA/8AbSE8f7h9a7WW5/4W/wDsUrbp+91b4cX4Ljq5sLokAj2DHHssVfvHDFKNLA4OtHZXT/7ev/7dY+s4cwM6OAnhKis5RU1/6V+Tf3HUfCGb+3P2B/iH4cT5pbLUI7oj0j3Wsg/WJjXhv7Gc8dv+0z4VkkOAZp1/FraVR+pr1P8AYev4PEM/jT4J3jhV8WaNKkG48efErqMeh2ys3/AK+ZPg3r7+AvjN4d13UMwjT9Ut/tAbgqglCyg+4XcK99UX/tdBddV/29G35pntOsv9kxD6aP8A7dlf8mj+mqiiivw8/bwooooAKKKKAPhX/goX4r/sH4BHQo2w+tX8FuV7mOPM7H6Bo1H41+FNfp//AMFMvFf2nxV4Z8ERtxaWs17IB3Nw4jTP0ELY+tfmBX7dwZhvZ4CL/mu/6+SPxLjPFe0x8l/LZfr+p9Lfsf8AhT/hL/2i/DNlIu6K0uDfOew+yo0qk/8AA1UfU1037Z/wR/4U/wDFia80iHy9F17fd2e0YWN8/voR/uMcgdkZRXuP/BNHwp9u8f8AiHxnIuV06xjtVJ7PdSbsj3CwkfQ+9foX+1B8GIfjd8Jr3w5bIDqlp/penOcZE8YOEz6SLlD2GQe1eTmXEP1fN1Fv3bJP563+V18j1st4e+sZQ5Je9dtfLS3zs/mfzj1+k3/BPj47/wDCMeKJfg14jmxY6w5lsGY8R3eOY+egmUcf7YAAyxr83p4Jrad7a5QxyRsVZWGCrA4IIPIINSWd5dafdxX9jI0M8DrJHIhIZHU5VgRyCCMg19hmmXwxdCVGfX8+jPj8rzGeErxrQ6fiuqP6t6K+e/2ZfjXa/HL4W2niWRlGqW2LbUYhgbbhAMuB2WQYdewyV6qa+hK/n7FYadGpKlUVmtD+gMNiYVqcatN3T1CiiisDc/In/gpp4r87XfC/geJsfZ4J76RfXzmEcZP08t8fWvy1r6z/AG3vFX/CU/tHa4sbbodNENjH7eVGC4/CVnr5Mr994cw3ssDSh5X+/X9T8C4kxPtcdVn52+7T9D9YP+CZXhT/AJGnxxMv/PvYwt/31LKP/RdfrBXxt+wb4U/4Rn9nTTrx12S6xcXF8478v5SH8UiUj2NfZNfkHE+J9rj6kuzt92h+v8MYb2WApx7q/wB+oV/M18efFn/CcfGbxN4oVt8dzqE4iPrFGxji/wDHFWv6Jvit4r/4Qb4Z6/4wDbX06wuJ4/eRIyUH1LYA+tfy/kknJ6mvrfDzDa1Kz8l+r/Q+S8Q8VpTorzf6L9RK/pP/AGafCf8AwhPwG8K6Ay7JFsI55F7iS5zO4PuGkIr+d3wF4Zl8aeONH8IQ53apewWvHbzZFQn8Ac1/UfDFFbxLBCoVEAVVHQAcACtfEPE+5Torzf6L82ZeHmG9+pWfkv1f5Ikooor8vP1A81+Mui/8JH8I/E+hAbmutKvI0H+2YW2n8Gwa/mJr+ryWKOeJoJhuRwVYHuDwRX8rXiDSpNB16+0Ob79lcSwNn1jYqf5V+n+Hlb3atP0f5n5h4h0fepVPVfke1fsqan/ZP7RPhG6zjfqCQ/8Af8GL/wBnr+j+v5ffhTqf9i/FHw3rOcfZNVs5s/7k6N/Sv6VvHfjLR/h74O1Lxtr7bbTTIHnk9W2jhF/2nbCqO5Irk4/oOWIpOK1at+P/AATr4ArqOHqqT0Tv+H/APzB/4KO/GLzrnT/gpo0vyw7b7Udp/iIPkRH6AmQj3Q9q/LnSdL1DXNUttF0mJp7q8lSCGNerySMFVR7kkCtrxx4w1j4geL9S8a6+++71Od55PQFjwq/7KjCqOwAr7l/4J5/B/wD4S34iXHxP1aLdY+Hhtt9w4e8lBA9j5aZY+jFDX2FGEMry/wB77K+9v/g/gfH1pzzXMfd+0/uS/wCB+J9o/FP4S6f8M/2ItW+HNgFZrDTklndf+Wk6ypNLJ68uDjPQYHavwfr+mX4+2H9pfA7xhZgZLaNfFR/tLA7L+oFfzNV5HAmJlUo1ZTerlf70evx3ho061JQWijb7mfr7/wAEyL/zPDPi3TM/6m6tZcf9dEkX/wBkr9OL+/s9LsZtT1GVYbe2jaWWRzhURAWZiewAGTX5Kf8ABMa/8vXPF+mZ/wBdBZy4/wCubTL/AOz17T/wUH+M/wDwh3w/h+FujS7dQ8RAtcbTylmh+b/v642e6hxXy+eZZLEZxKhD7Vvusrs+oyPMo4fJ415/Zv8Afd2R+WXx/wDixefGj4qan44nLC2kfybONv8AlnbR5Ea47EjLN/tMa808N+HtX8W+ILLwxoEJnvdQmSCGMfxO52j6Dnk9hzWJX6q/8E6/gh59zc/HHX4fki32mlhh1YjbPMPoP3an3fuBX6VmOMp5fhHJLSKsl+R+a5dg6mYYxRb1k7t/mfo98HfhjpHwf+HOmeAdHwws4/30oGDNO/zSyHv8zE4B6LgdBXptFfk7+2L+2XrWn61d/CX4R3RtfsrGHUNRiOJPMHDQwMPu7Dw7j5t2QpAGW/GMvy+vmGIcY6t6t/qftGYZhh8vw6lLRLRJfkfffxI/aF+DnwmZrfxvrkFvdKM/ZY8zXHPTMUYZlz2LAD3r5C8Sf8FLPhrZSNH4W0DUNQ28Bp3jtlP0wZWx9QD7V+M800txK087F5HJZmY5JJ5JJPJJrqvB/gLxr8QdR/snwTpVzqlwMFlto2faD3cgYUe7ECv0fDcDYKlHmrty762X9fM/N8TxzjasuWglHtpd/wBfI/Rq+/4KceIJGJ03wjbxDsJbx5P5RJWOf+CmPj/Py+GtPx/11lryDRP2BP2j9WiWW70+007d2ubqMkfUReZj+ddV/wAO4vjzt3NfaKPrcTf/ACPSeEyGOl4/e3+pSxefS1tL7kv0Pmz47/GrW/jz43XxtrtpFZSx20dqsUJYqEjLNnLc5Jc14vVi7gFrdSWwkWURuy70JKtg4ypIBweoyK2fCWgzeKvFemeGLbPmaldw2q467pnVB+pr7OlSp0aajBWij4yrVqVqjlN3k2f0hfALQm8N/BLwpo0g2yRaVamQejvGruP++iay/wBpbxT/AMIb8BPFWuq2xxp8kEbeklziBCPcM4xXtdvbw2lulrbqEjjUIqjoABgD8q+Av+Cjfir+yPgrZeGomxJq+oxqy+sUCtI35P5dfhGWU3icfC/2pX/G7P3fM6iw2Anb7MbL7rI/EKtnw7oOp+KtfsvDOix+beahPHbQp6ySsFUfmaxq+3f2APBUfin4/Q6xdJvh0K0mvOenmHEMf4gyFh7rmv3HMsYsPh51n0Vz8Ny3BvEYiFFdXY/Zr4R/DLQfhB8P9O8B+H1Hl2cY82XGGmmbmSVvdm/IYA4Ar0miiv54q1ZVJOc3ds/oelSjCKhBWSMzWtWstA0a713UW229lDJPK3okalmP5Cv5evG3izU/Hfi/U/GWsNuudTuZLl+c4MjE7R7KOB6ACv6E/wBq/VpdF/Z08W3kJwz2LQfhOywn9HNfziV+neHuGSp1K3W9v1/U/MfELEt1KdHpa/6foFfrd4G/4KAfCDwB4O0zwVonhzU1tdMt47dOYAW2DBY/P95jlmPck1+S0ME9zIIrdGkY9lBJ/IVd/sbWP+fSb/vhv8K+xzTKcPi0o19l52PjsrzbEYRuVDd+Vz9h/wDh5f8ADX/oXtT/AO+of/iqP+Hl/wANf+he1P8A76h/+Kr8eP7G1j/n0m/74b/Cj+xtY/59Jv8Avhv8K8b/AFMy7t+LPZ/1zzHv+CPqj9rT9o3Qv2htZ0a+0CwuLCHS4ZY2W4KFmaVlORsJGMKK+Ra0v7G1j/n0m/74b/Cj+xtY/wCfSb/vhv8ACvosFhqWHpKjS2R87jcTVxFV1qu7P2X/AOCakDr8INbuT919YdR9Vt4Sf/QhX6L18ZfsFeGbjw7+zrY3F1GYpNTu7q7KsMN9/wAkZB9RECPbFfZtfhvEdVTx1Vrv+Wh+5cOUnDA0k+356hRRRXintH//0f7+KKKKACiiigAr86P2+r7jwvpqn/n7lYf9+Qv9a/RevzL/AGvYZPGHx08NeBLckmWCCHjs9zcMp/8AHQprhzJ/uml1PzzxSm/7GnSjvNxS/wDAk/0PHPj5BOk3gn4f2alprHQ7NGQdftFySzLj3+X86vfH6wk8RfGTSvhXoJ3jSbWw0SHb93eAMnHsXwfpXUQS2Hjz9ri9166IXS9BuJLqVhyqW+lIFU4/ulo1/Orn7K+i3fxN+POo/EnVU3JZNNfPnkefcswjX8AXYf7oryeTmlyrq/wR+LPBfXMTLC0/+XtVRX+CmrN/c0/+3T9AvH3wj8MeP/hXcfCfUV2WL2qW8LgAtC0QHkyL7oVBx36Hgmvw6+Herav+zD8bL7wb8TbUtpl0kmlazb8lJrOcY81P7wwRIh6lcjjJr+hivlH9qT9mPRfj/wCHFu7ApZ+I7BCLO6bhXXr5M2OShPQ8lCcjILA/p3DWdQoc2GxH8OX4Pv8A16n9AcRZHKrGNfCr34bea7f16H43Xttrv7MPx5tdR0+UXS6Tcx3lnOh+S8sZRlGVhwVmhYq2MgEsM8Vt/tYeD9M0X4nHxt4WIk0HxhCusWEijjFx80yHsGWTOV/hBAqlrMGsrpx+BvxghbS9a0FmXSbq5woiDnLWkzng28p+aGXJWNjnPlsxXR8D6ovjbwVcfs5eOWFnqFncPceH57j5PIvTxLZSFvux3PRc4Cy4JyDx+oJyjKOIerSs/OPSS9N/K78r/mTUXGWHWibuvKXWL9dvkvO37W/s2/EqP4r/AAY0PxY0nmXfkC2vOeRcwfJIT6biN49mFe51+Iv7C3xql+FHxGuvhR40LWljrU3lATfJ9mv0OwBgfu+Zjy2zzuCZ4Br9uq/JOJMreFxUor4XqvT/AIB+t8OZosVhYyfxLR+q/wA9wooorwD3gooqpqF9baXYT6netsht42lkb0VAWJ/ACmlfRCbtqz+fL9tLxWPFn7R3iGSJt0OnvHYx+32eNVkH/f3fXyvW54m1258UeJNQ8S3v+u1G5lupP96Zy5/U1h1/RuBw3saEKXZJH8547E+2rzq922fuJ/wTo8Kf2L8ELnxJKuJNZ1CWRW9YoFWJR+DiT86+/K8a/Z48Kf8ACE/A/wALeHGXZJFp8Mkq+ksw82Qf99u1ey1+CZ1ifbYupU7t/d0P3rJcN7HCU6fZL/gn4e/t+fBH/hAviIvxJ0OHbpfiNmaXaPljvQMyD280fvB6tv7CvgGv6avjZ8LNL+Mvw01PwFqW1Guo91vKRnyrhOYpPXAbhsdVJHev5qtd0TVPDWtXfh7W4Wt7yxmeCeNuqSRsVYH6EV+q8G5x9Yw3spv3oafLp/kflXGWT/VsT7WC92evz6/5n0j+yN8c3+CPxShudTlK6Jq2211AH7qKT+7mx6xMcn/YLAcmv6GEdJUEkZDKwyCOQQe4r+UGv3D/AGCfjv8A8LC8BH4a+IZt2r+HY1WIsctNZfdQ+5iOIz7bO5NeRx1kvNFYymtVo/0f6Hr8C51yyeDqPR6r9V+p9+1BdXMFlbSXl0wSKJS7segVRkn8BU9eC/tQeK/+EM+AHirW1bY5sXtoz3D3RECke4Mmfwr81wtB1asaa6tL7z9KxVdUqUqj6Jv7j+d3xl4in8X+LtV8V3WfM1O7numz1zNIzn+dc6iNIwRAWZjgAckk02vZP2evCn/CbfG/wv4bZd8c2owvKvrFC3myD/vhGr+iqs40aTl0ivyP51pQlWqqPWT/ADP6J/hv4XXwT8PtD8HqADpljb2zY7tFGqsfxIJNdrRRX841KjnJyluz+jqcFG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Ut(t,e){var r=e[0],n=e[1],a=e[2],i=e[3],s=e[4],o=e[5],c=e[6],f=e[7],g=e[8],u=g*s-o*f,l=-g*i+o*c,p=f*i-s*c,h=r*u+n*l+a*p;return h?(h=1/h,t[0]=u*h,t[1]=(-g*n+a*f)*h,t[2]=(o*n-a*s)*h,t[3]=l*h,t[4]=(g*r-a*c)*h,t[5]=(-o*r+a*i)*h,t[6]=p*h,t[7]=(-f*r+n*c)*h,t[8]=(s*r-n*i)*h,t):null}function hv(t,e){var r=e[0],n=e[1],a=e[2],i=e[3],s=e[4],o=e[5],c=e[6],f=e[7],g=e[8];return t[0]=s*g-o*f,t[1]=a*f-n*g,t[2]=n*o-a*s,t[3]=o*c-i*g,t[4]=r*g-a*c,t[5]=a*i-r*o,t[6]=i*f-s*c,t[7]=n*c-r*f,t[8]=r*s-n*i,t}function vv(t){var e=t[0],r=t[1],n=t[2],a=t[3],i=t[4],s=t[5],o=t[6],c=t[7],f=t[8];return e*(f*i-s*c)+r*(-f*a+s*o)+n*(c*a-i*o)}function Pn(t,e,r){var n=e[0],a=e[1],i=e[2],s=e[3],o=e[4],c=e[5],f=e[6],g=e[7],u=e[8],l=r[0],p=r[1],h=r[2],v=r[3],y=r[4],T=r[5],C=r[6],d=r[7],x=r[8];return t[0]=l*n+p*s+h*f,t[1]=l*a+p*o+h*g,t[2]=l*i+p*c+h*u,t[3]=v*n+y*s+T*f,t[4]=v*a+y*o+T*g,t[5]=v*i+y*c+T*u,t[6]=C*n+d*s+x*f,t[7]=C*a+d*o+x*g,t[8]=C*i+d*c+x*u,t}function Tv(t,e,r){var n=e[0],a=e[1],i=e[2],s=e[3],o=e[4],c=e[5],f=e[6],g=e[7],u=e[8],l=r[0],p=r[1];return t[0]=n,t[1]=a,t[2]=i,t[3]=s,t[4]=o,t[5]=c,t[6]=l*n+p*s+f,t[7]=l*a+p*o+g,t[8]=l*i+p*c+u,t}function yv(t,e,r){var n=e[0],a=e[1],i=e[2],s=e[3],o=e[4],c=e[5],f=e[6],g=e[7],u=e[8],l=Math.sin(r),p=Math.cos(r);return t[0]=p*n+l*s,t[1]=p*a+l*o,t[2]=p*i+l*c,t[3]=p*s-l*n,t[4]=p*o-l*a,t[5]=p*c-l*i,t[6]=f,t[7]=g,t[8]=u,t}function dv(t,e,r){var n=r[0],a=r[1];return t[0]=n*e[0],t[1]=n*e[1],t[2]=n*e[2],t[3]=a*e[3],t[4]=a*e[4],t[5]=a*e[5],t[6]=e[6],t[7]=e[7],t[8]=e[8],t}function Cv(t,e){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=e[0],t[7]=e[1],t[8]=1,t}function xv(t,e){var r=Math.sin(e),n=Math.cos(e);return t[0]=n,t[1]=r,t[2]=0,t[3]=-r,t[4]=n,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t}function Sv(t,e){return t[0]=e[0],t[1]=0,t[2]=0,t[3]=0,t[4]=e[1],t[5]=0,t[6]=0,t[7]=0,t[8]=1,t}function wv(t,e){return t[0]=e[0],t[1]=e[1],t[2]=0,t[3]=e[2],t[4]=e[3],t[5]=0,t[6]=e[4],t[7]=e[5],t[8]=1,t}function Ov(t,e){var r=e[0],n=e[1],a=e[2],i=e[3],s=r+r,o=n+n,c=a+a,f=r*s,g=n*s,u=n*o,l=a*s,p=a*o,h=a*c,v=i*s,y=i*o,T=i*c;return t[0]=1-u-h,t[3]=g-T,t[6]=l+y,t[1]=g+T,t[4]=1-f-h,t[7]=p-v,t[2]=l-y,t[5]=p+v,t[8]=1-f-u,t}function Ev(t,e){var r=e[0],n=e[1],a=e[2],i=e[3],s=e[4],o=e[5],c=e[6],f=e[7],g=e[8],u=e[9],l=e[10],p=e[11],h=e[12],v=e[13],y=e[14],T=e[15],C=r*o-n*s,d=r*c-a*s,x=r*f-i*s,w=n*c-a*o,S=n*f-i*o,M=a*f-i*c,E=g*v-u*h,R=g*y-l*h,L=g*T-p*h,D=u*y-l*v,m=u*T-p*v,F=l*T-p*y,V=C*F-d*m+x*D+w*L-S*R+M*E;return V?(V=1/V,t[0]=(o*F-c*m+f*D)*V,t[1]=(c*L-s*F-f*R)*V,t[2]=(s*m-o*L+f*E)*V,t[3]=(a*m-n*F-i*D)*V,t[4]=(r*F-a*L+i*R)*V,t[5]=(n*L-r*m-i*E)*V,t[6]=(v*M-y*S+T*w)*V,t[7]=(y*x-h*M-T*d)*V,t[8]=(h*S-v*x+T*C)*V,t):null}function Rv(t,e,r){return t[0]=2/e,t[1]=0,t[2]=0,t[3]=0,t[4]=-2/r,t[5]=0,t[6]=-1,t[7]=1,t[8]=1,t}function Mv(t){return"mat3("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+", "+t[6]+", "+t[7]+", "+t[8]+")"}function mv(t){return Math.hypot(t[0],t[1],t[2],t[3],t[4],t[5],t[6],t[7],t[8])}function Dv(t,e,r){return t[0]=e[0]+r[0],t[1]=e[1]+r[1],t[2]=e[2]+r[2],t[3]=e[3]+r[3],t[4]=e[4]+r[4],t[5]=e[5]+r[5],t[6]=e[6]+r[6],t[7]=e[7]+r[7],t[8]=e[8]+r[8],t}function vu(t,e,r){return t[0]=e[0]-r[0],t[1]=e[1]-r[1],t[2]=e[2]-r[2],t[3]=e[3]-r[3],t[4]=e[4]-r[4],t[5]=e[5]-r[5],t[6]=e[6]-r[6],t[7]=e[7]-r[7],t[8]=e[8]-r[8],t}function Vv(t,e,r){return t[0]=e[0]*r,t[1]=e[1]*r,t[2]=e[2]*r,t[3]=e[3]*r,t[4]=e[4]*r,t[5]=e[5]*r,t[6]=e[6]*r,t[7]=e[7]*r,t[8]=e[8]*r,t}function Lv(t,e,r,n){return t[0]=e[0]+r[0]*n,t[1]=e[1]+r[1]*n,t[2]=e[2]+r[2]*n,t[3]=e[3]+r[3]*n,t[4]=e[4]+r[4]*n,t[5]=e[5]+r[5]*n,t[6]=e[6]+r[6]*n,t[7]=e[7]+r[7]*n,t[8]=e[8]+r[8]*n,t}function Fv(t,e){return t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2]&&t[3]===e[3]&&t[4]===e[4]&&t[5]===e[5]&&t[6]===e[6]&&t[7]===e[7]&&t[8]===e[8]}function _v(t,e){var r=t[0],n=t[1],a=t[2],i=t[3],s=t[4],o=t[5],c=t[6],f=t[7],g=t[8],u=e[0],l=e[1],p=e[2],h=e[3],v=e[4],y=e[5],T=e[6],C=e[7],d=e[8];return Math.abs(r-u)<=1e-6*Math.max(1,Math.abs(r),Math.abs(u))&&Math.abs(n-l)<=1e-6*Math.max(1,Math.abs(n),Math.abs(l))&&Math.abs(a-p)<=1e-6*Math.max(1,Math.abs(a),Math.abs(p))&&Math.abs(i-h)<=1e-6*Math.max(1,Math.abs(i),Math.abs(h))&&Math.abs(s-v)<=1e-6*Math.max(1,Math.abs(s),Math.abs(v))&&Math.abs(o-y)<=1e-6*Math.max(1,Math.abs(o),Math.abs(y))&&Math.abs(c-T)<=1e-6*Math.max(1,Math.abs(c),Math.abs(T))&&Math.abs(f-C)<=1e-6*Math.max(1,Math.abs(f),Math.abs(C))&&Math.abs(g-d)<=1e-6*Math.max(1,Math.abs(g),Math.abs(d))}var Nv=Pn,Bv=vu,qr=yo({add:()=>e1,adjoint:()=>bv,clone:()=>kv,copy:()=>Ve,create:()=>vr,determinant:()=>$v,equals:()=>a1,exactEquals:()=>r1,frob:()=>Jv,fromQuat:()=>fr,fromQuat2:()=>Iv,fromRotation:()=>Tu,fromRotationTranslation:()=>yu,fromRotationTranslationScale:()=>Cu,fromRotationTranslationScaleOrigin:()=>jv,fromScaling:()=>bi,fromTranslation:()=>Ui,fromValues:()=>Gv,fromXRotation:()=>zv,fromYRotation:()=>Wv,fromZRotation:()=>Av,frustum:()=>Pv,getRotation:()=>Is,getScaling:()=>du,getTranslation:()=>Hv,identity:()=>K,invert:()=>Ne,lookAt:()=>Ou,mul:()=>Ru,multiply:()=>X,multiplyScalar:()=>t1,multiplyScalarAndAdd:()=>n1,ortho:()=>wu,orthoNO:()=>Su,orthoZO:()=>qv,perspective:()=>Kv,perspectiveFromFieldOfView:()=>Yv,perspectiveNO:()=>xu,perspectiveZO:()=>Xv,rotate:()=>st,rotateX:()=>ki,rotateY:()=>Zr,rotateZ:()=>Gi,scale:()=>Qt,set:()=>Uv,str:()=>Qv,sub:()=>i1,subtract:()=>Eu,targetTo:()=>Zv,translate:()=>_e,transpose:()=>ue});function vr(){var t=new Be(16);return Be!=Float32Array&&(t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0),t[0]=1,t[5]=1,t[10]=1,t[15]=1,t}function kv(t){var e=new Be(16);return e[0]=t[0],e[1]=t[1],e[2]=t[2],e[3]=t[3],e[4]=t[4],e[5]=t[5],e[6]=t[6],e[7]=t[7],e[8]=t[8],e[9]=t[9],e[10]=t[10],e[11]=t[11],e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15],e}function Ve(t,e){return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3],t[4]=e[4],t[5]=e[5],t[6]=e[6],t[7]=e[7],t[8]=e[8],t[9]=e[9],t[10]=e[10],t[11]=e[11],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15],t}function Gv(t,e,r,n,a,i,s,o,c,f,g,u,l,p,h,v){var y=new Be(16);return y[0]=t,y[1]=e,y[2]=r,y[3]=n,y[4]=a,y[5]=i,y[6]=s,y[7]=o,y[8]=c,y[9]=f,y[10]=g,y[11]=u,y[12]=l,y[13]=p,y[14]=h,y[15]=v,y}function Uv(t,e,r,n,a,i,s,o,c,f,g,u,l,p,h,v,y){return t[0]=e,t[1]=r,t[2]=n,t[3]=a,t[4]=i,t[5]=s,t[6]=o,t[7]=c,t[8]=f,t[9]=g,t[10]=u,t[11]=l,t[12]=p,t[13]=h,t[14]=v,t[15]=y,t}function K(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function ue(t,e){if(t===e){var r=e[1],n=e[2],a=e[3],i=e[6],s=e[7],o=e[11];t[1]=e[4],t[2]=e[8],t[3]=e[12],t[4]=r,t[6]=e[9],t[7]=e[13],t[8]=n,t[9]=i,t[11]=e[14],t[12]=a,t[13]=s,t[14]=o}else t[0]=e[0],t[1]=e[4],t[2]=e[8],t[3]=e[12],t[4]=e[1],t[5]=e[5],t[6]=e[9],t[7]=e[13],t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=e[14],t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15];return t}function Ne(t,e){var r=e[0],n=e[1],a=e[2],i=e[3],s=e[4],o=e[5],c=e[6],f=e[7],g=e[8],u=e[9],l=e[10],p=e[11],h=e[12],v=e[13],y=e[14],T=e[15],C=r*o-n*s,d=r*c-a*s,x=r*f-i*s,w=n*c-a*o,S=n*f-i*o,M=a*f-i*c,E=g*v-u*h,R=g*y-l*h,L=g*T-p*h,D=u*y-l*v,m=u*T-p*v,F=l*T-p*y,V=C*F-d*m+x*D+w*L-S*R+M*E;return V?(V=1/V,t[0]=(o*F-c*m+f*D)*V,t[1]=(a*m-n*F-i*D)*V,t[2]=(v*M-y*S+T*w)*V,t[3]=(l*S-u*M-p*w)*V,t[4]=(c*L-s*F-f*R)*V,t[5]=(r*F-a*L+i*R)*V,t[6]=(y*x-h*M-T*d)*V,t[7]=(g*M-l*x+p*d)*V,t[8]=(s*m-o*L+f*E)*V,t[9]=(n*L-r*m-i*E)*V,t[10]=(h*S-v*x+T*C)*V,t[11]=(u*x-g*S-p*C)*V,t[12]=(o*R-s*D-c*E)*V,t[13]=(r*D-n*R+a*E)*V,t[14]=(v*d-h*w-y*C)*V,t[15]=(g*w-u*d+l*C)*V,t):null}function bv(t,e){var r=e[0],n=e[1],a=e[2],i=e[3],s=e[4],o=e[5],c=e[6],f=e[7],g=e[8],u=e[9],l=e[10],p=e[11],h=e[12],v=e[13],y=e[14],T=e[15];return t[0]=o*(l*T-p*y)-u*(c*T-f*y)+v*(c*p-f*l),t[1]=-(n*(l*T-p*y)-u*(a*T-i*y)+v*(a*p-i*l)),t[2]=n*(c*T-f*y)-o*(a*T-i*y)+v*(a*f-i*c),t[3]=-(n*(c*p-f*l)-o*(a*p-i*l)+u*(a*f-i*c)),t[4]=-(s*(l*T-p*y)-g*(c*T-f*y)+h*(c*p-f*l)),t[5]=r*(l*T-p*y)-g*(a*T-i*y)+h*(a*p-i*l),t[6]=-(r*(c*T-f*y)-s*(a*T-i*y)+h*(a*f-i*c)),t[7]=r*(c*p-f*l)-s*(a*p-i*l)+g*(a*f-i*c),t[8]=s*(u*T-p*v)-g*(o*T-f*v)+h*(o*p-f*u),t[9]=-(r*(u*T-p*v)-g*(n*T-i*v)+h*(n*p-i*u)),t[10]=r*(o*T-f*v)-s*(n*T-i*v)+h*(n*f-i*o),t[11]=-(r*(o*p-f*u)-s*(n*p-i*u)+g*(n*f-i*o)),t[12]=-(s*(u*y-l*v)-g*(o*y-c*v)+h*(o*l-c*u)),t[13]=r*(u*y-l*v)-g*(n*y-a*v)+h*(n*l-a*u),t[14]=-(r*(o*y-c*v)-s*(n*y-a*v)+h*(n*c-a*o)),t[15]=r*(o*l-c*u)-s*(n*l-a*u)+g*(n*c-a*o),t}function $v(t){var e=t[0],r=t[1],n=t[2],a=t[3],i=t[4],s=t[5],o=t[6],c=t[7],f=t[8],g=t[9],u=t[10],l=t[11],p=t[12],h=t[13],v=t[14],y=t[15],T=e*s-r*i,C=e*o-n*i,d=e*c-a*i,x=r*o-n*s,w=r*c-a*s,S=n*c-a*o,M=f*h-g*p,E=f*v-u*p,R=f*y-l*p,L=g*v-u*h,D=g*y-l*h;return T*(u*y-l*v)-C*D+d*L+x*R-w*E+S*M}function X(t,e,r){var n=e[0],a=e[1],i=e[2],s=e[3],o=e[4],c=e[5],f=e[6],g=e[7],u=e[8],l=e[9],p=e[10],h=e[11],v=e[12],y=e[13],T=e[14],C=e[15],d=r[0],x=r[1],w=r[2],S=r[3];return t[0]=d*n+x*o+w*u+S*v,t[1]=d*a+x*c+w*l+S*y,t[2]=d*i+x*f+w*p+S*T,t[3]=d*s+x*g+w*h+S*C,d=r[4],x=r[5],w=r[6],S=r[7],t[4]=d*n+x*o+w*u+S*v,t[5]=d*a+x*c+w*l+S*y,t[6]=d*i+x*f+w*p+S*T,t[7]=d*s+x*g+w*h+S*C,d=r[8],x=r[9],w=r[10],S=r[11],t[8]=d*n+x*o+w*u+S*v,t[9]=d*a+x*c+w*l+S*y,t[10]=d*i+x*f+w*p+S*T,t[11]=d*s+x*g+w*h+S*C,d=r[12],x=r[13],w=r[14],S=r[15],t[12]=d*n+x*o+w*u+S*v,t[13]=d*a+x*c+w*l+S*y,t[14]=d*i+x*f+w*p+S*T,t[15]=d*s+x*g+w*h+S*C,t}function _e(t,e,r){var n=r[0],a=r[1],i=r[2],s,o,c,f,g,u,l,p,h,v,y,T;return e===t?(t[12]=e[0]*n+e[4]*a+e[8]*i+e[12],t[13]=e[1]*n+e[5]*a+e[9]*i+e[13],t[14]=e[2]*n+e[6]*a+e[10]*i+e[14],t[15]=e[3]*n+e[7]*a+e[11]*i+e[15]):(s=e[0],o=e[1],c=e[2],f=e[3],g=e[4],u=e[5],l=e[6],p=e[7],h=e[8],v=e[9],y=e[10],T=e[11],t[0]=s,t[1]=o,t[2]=c,t[3]=f,t[4]=g,t[5]=u,t[6]=l,t[7]=p,t[8]=h,t[9]=v,t[10]=y,t[11]=T,t[12]=s*n+g*a+h*i+e[12],t[13]=o*n+u*a+v*i+e[13],t[14]=c*n+l*a+y*i+e[14],t[15]=f*n+p*a+T*i+e[15]),t}function Qt(t,e,r){var n=r[0],a=r[1],i=r[2];return t[0]=e[0]*n,t[1]=e[1]*n,t[2]=e[2]*n,t[3]=e[3]*n,t[4]=e[4]*a,t[5]=e[5]*a,t[6]=e[6]*a,t[7]=e[7]*a,t[8]=e[8]*i,t[9]=e[9]*i,t[10]=e[10]*i,t[11]=e[11]*i,t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15],t}function st(t,e,r,n){var a=n[0],i=n[1],s=n[2],o=Math.hypot(a,i,s),c,f,g,u,l,p,h,v,y,T,C,d,x,w,S,M,E,R,L,D,m,F,V,N;return o<1e-6?null:(o=1/o,a*=o,i*=o,s*=o,c=Math.sin(r),f=Math.cos(r),g=1-f,u=e[0],l=e[1],p=e[2],h=e[3],v=e[4],y=e[5],T=e[6],C=e[7],d=e[8],x=e[9],w=e[10],S=e[11],M=a*a*g+f,E=i*a*g+s*c,R=s*a*g-i*c,L=a*i*g-s*c,D=i*i*g+f,m=s*i*g+a*c,F=a*s*g+i*c,V=i*s*g-a*c,N=s*s*g+f,t[0]=u*M+v*E+d*R,t[1]=l*M+y*E+x*R,t[2]=p*M+T*E+w*R,t[3]=h*M+C*E+S*R,t[4]=u*L+v*D+d*m,t[5]=l*L+y*D+x*m,t[6]=p*L+T*D+w*m,t[7]=h*L+C*D+S*m,t[8]=u*F+v*V+d*N,t[9]=l*F+y*V+x*N,t[10]=p*F+T*V+w*N,t[11]=h*F+C*V+S*N,e!==t&&(t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t)}function ki(t,e,r){var n=Math.sin(r),a=Math.cos(r),i=e[4],s=e[5],o=e[6],c=e[7],f=e[8],g=e[9],u=e[10],l=e[11];return e!==t&&(t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t[4]=i*a+f*n,t[5]=s*a+g*n,t[6]=o*a+u*n,t[7]=c*a+l*n,t[8]=f*a-i*n,t[9]=g*a-s*n,t[10]=u*a-o*n,t[11]=l*a-c*n,t}function Zr(t,e,r){var n=Math.sin(r),a=Math.cos(r),i=e[0],s=e[1],o=e[2],c=e[3],f=e[8],g=e[9],u=e[10],l=e[11];return e!==t&&(t[4]=e[4],t[5]=e[5],t[6]=e[6],t[7]=e[7],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t[0]=i*a-f*n,t[1]=s*a-g*n,t[2]=o*a-u*n,t[3]=c*a-l*n,t[8]=i*n+f*a,t[9]=s*n+g*a,t[10]=o*n+u*a,t[11]=c*n+l*a,t}function Gi(t,e,r){var n=Math.sin(r),a=Math.cos(r),i=e[0],s=e[1],o=e[2],c=e[3],f=e[4],g=e[5],u=e[6],l=e[7];return e!==t&&(t[8]=e[8],t[9]=e[9],t[10]=e[10],t[11]=e[11],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t[0]=i*a+f*n,t[1]=s*a+g*n,t[2]=o*a+u*n,t[3]=c*a+l*n,t[4]=f*a-i*n,t[5]=g*a-s*n,t[6]=u*a-o*n,t[7]=l*a-c*n,t}function Ui(t,e){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=e[0],t[13]=e[1],t[14]=e[2],t[15]=1,t}function bi(t,e){return t[0]=e[0],t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=e[1],t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=e[2],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function Tu(t,e,r){var n=r[0],a=r[1],i=r[2],s=Math.hypot(n,a,i),o,c,f;return s<1e-6?null:(s=1/s,n*=s,a*=s,i*=s,o=Math.sin(e),c=Math.cos(e),f=1-c,t[0]=n*n*f+c,t[1]=a*n*f+i*o,t[2]=i*n*f-a*o,t[3]=0,t[4]=n*a*f-i*o,t[5]=a*a*f+c,t[6]=i*a*f+n*o,t[7]=0,t[8]=n*i*f+a*o,t[9]=a*i*f-n*o,t[10]=i*i*f+c,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t)}function zv(t,e){var r=Math.sin(e),n=Math.cos(e);return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=n,t[6]=r,t[7]=0,t[8]=0,t[9]=-r,t[10]=n,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function Wv(t,e){var r=Math.sin(e),n=Math.cos(e);return t[0]=n,t[1]=0,t[2]=-r,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=r,t[9]=0,t[10]=n,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function Av(t,e){var r=Math.sin(e),n=Math.cos(e);return t[0]=n,t[1]=r,t[2]=0,t[3]=0,t[4]=-r,t[5]=n,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function yu(t,e,r){var n=e[0],a=e[1],i=e[2],s=e[3],o=n+n,c=a+a,f=i+i,g=n*o,u=n*c,l=n*f,p=a*c,h=a*f,v=i*f,y=s*o,T=s*c,C=s*f;return t[0]=1-(p+v),t[1]=u+C,t[2]=l-T,t[3]=0,t[4]=u-C,t[5]=1-(g+v),t[6]=h+y,t[7]=0,t[8]=l+T,t[9]=h-y,t[10]=1-(g+p),t[11]=0,t[12]=r[0],t[13]=r[1],t[14]=r[2],t[15]=1,t}function Iv(t,e){var r=new Be(3),n=-e[0],a=-e[1],i=-e[2],s=e[3],o=e[4],c=e[5],f=e[6],g=e[7],u=n*n+a*a+i*i+s*s;return u>0?(r[0]=(o*s+g*n+c*i-f*a)*2/u,r[1]=(c*s+g*a+f*n-o*i)*2/u,r[2]=(f*s+g*i+o*a-c*n)*2/u):(r[0]=(o*s+g*n+c*i-f*a)*2,r[1]=(c*s+g*a+f*n-o*i)*2,r[2]=(f*s+g*i+o*a-c*n)*2),yu(t,e,r),t}function Hv(t,e){return t[0]=e[12],t[1]=e[13],t[2]=e[14],t}function du(t,e){var r=e[0],n=e[1],a=e[2],i=e[4],s=e[5],o=e[6],c=e[8],f=e[9],g=e[10];return t[0]=Math.hypot(r,n,a),t[1]=Math.hypot(i,s,o),t[2]=Math.hypot(c,f,g),t}function Is(t,e){var r=new Be(3);du(r,e);var n=1/r[0],a=1/r[1],i=1/r[2],s=e[0]*n,o=e[1]*a,c=e[2]*i,f=e[4]*n,g=e[5]*a,u=e[6]*i,l=e[8]*n,p=e[9]*a,h=e[10]*i,v=s+g+h,y=0;return v>0?(y=Math.sqrt(v+1)*2,t[3]=.25*y,t[0]=(u-p)/y,t[1]=(l-c)/y,t[2]=(o-f)/y):s>g&&s>h?(y=Math.sqrt(1+s-g-h)*2,t[3]=(u-p)/y,t[0]=.25*y,t[1]=(o+f)/y,t[2]=(l+c)/y):g>h?(y=Math.sqrt(1+g-s-h)*2,t[3]=(l-c)/y,t[0]=(o+f)/y,t[1]=.25*y,t[2]=(u+p)/y):(y=Math.sqrt(1+h-s-g)*2,t[3]=(o-f)/y,t[0]=(l+c)/y,t[1]=(u+p)/y,t[2]=.25*y),t}function Cu(t,e,r,n){var a=e[0],i=e[1],s=e[2],o=e[3],c=a+a,f=i+i,g=s+s,u=a*c,l=a*f,p=a*g,h=i*f,v=i*g,y=s*g,T=o*c,C=o*f,d=o*g,x=n[0],w=n[1],S=n[2];return t[0]=(1-(h+y))*x,t[1]=(l+d)*x,t[2]=(p-C)*x,t[3]=0,t[4]=(l-d)*w,t[5]=(1-(u+y))*w,t[6]=(v+T)*w,t[7]=0,t[8]=(p+C)*S,t[9]=(v-T)*S,t[10]=(1-(u+h))*S,t[11]=0,t[12]=r[0],t[13]=r[1],t[14]=r[2],t[15]=1,t}function jv(t,e,r,n,a){var i=e[0],s=e[1],o=e[2],c=e[3],f=i+i,g=s+s,u=o+o,l=i*f,p=i*g,h=i*u,v=s*g,y=s*u,T=o*u,C=c*f,d=c*g,x=c*u,w=n[0],S=n[1],M=n[2],E=a[0],R=a[1],L=a[2],D=(1-(v+T))*w,m=(p+x)*w,F=(h-d)*w,V=(p-x)*S,N=(1-(l+T))*S,B=(y+C)*S,G=(h+d)*M,U=(y-C)*M,_=(1-(l+v))*M;return t[0]=D,t[1]=m,t[2]=F,t[3]=0,t[4]=V,t[5]=N,t[6]=B,t[7]=0,t[8]=G,t[9]=U,t[10]=_,t[11]=0,t[12]=r[0]+E-(D*E+V*R+G*L),t[13]=r[1]+R-(m*E+N*R+U*L),t[14]=r[2]+L-(F*E+B*R+_*L),t[15]=1,t}function fr(t,e){var r=e[0],n=e[1],a=e[2],i=e[3],s=r+r,o=n+n,c=a+a,f=r*s,g=n*s,u=n*o,l=a*s,p=a*o,h=a*c,v=i*s,y=i*o,T=i*c;return t[0]=1-u-h,t[1]=g+T,t[2]=l-y,t[3]=0,t[4]=g-T,t[5]=1-f-h,t[6]=p+v,t[7]=0,t[8]=l+y,t[9]=p-v,t[10]=1-f-u,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function Pv(t,e,r,n,a,i,s){var o=1/(r-e),c=1/(a-n),f=1/(i-s);return t[0]=i*2*o,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=i*2*c,t[6]=0,t[7]=0,t[8]=(r+e)*o,t[9]=(a+n)*c,t[10]=(s+i)*f,t[11]=-1,t[12]=0,t[13]=0,t[14]=s*i*2*f,t[15]=0,t}function xu(t,e,r,n,a){var i=1/Math.tan(e/2),s;return t[0]=i/r,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=i,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[11]=-1,t[12]=0,t[13]=0,t[15]=0,a!=null&&a!==1/0?(s=1/(n-a),t[10]=(a+n)*s,t[14]=2*a*n*s):(t[10]=-1,t[14]=-2*n),t}var Kv=xu;function Xv(t,e,r,n,a){var i=1/Math.tan(e/2),s;return t[0]=i/r,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=i,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[11]=-1,t[12]=0,t[13]=0,t[15]=0,a!=null&&a!==1/0?(s=1/(n-a),t[10]=a*s,t[14]=a*n*s):(t[10]=-1,t[14]=-n),t}function Yv(t,e,r,n){var a=Math.tan(e.upDegrees*Math.PI/180),i=Math.tan(e.downDegrees*Math.PI/180),s=Math.tan(e.leftDegrees*Math.PI/180),o=Math.tan(e.rightDegrees*Math.PI/180),c=2/(s+o),f=2/(a+i);return t[0]=c,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=f,t[6]=0,t[7]=0,t[8]=-((s-o)*c*.5),t[9]=(a-i)*f*.5,t[10]=n/(r-n),t[11]=-1,t[12]=0,t[13]=0,t[14]=n*r/(r-n),t[15]=0,t}function Su(t,e,r,n,a,i,s){var o=1/(e-r),c=1/(n-a),f=1/(i-s);return t[0]=-2*o,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=-2*c,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=2*f,t[11]=0,t[12]=(e+r)*o,t[13]=(a+n)*c,t[14]=(s+i)*f,t[15]=1,t}var wu=Su;function qv(t,e,r,n,a,i,s){var o=1/(e-r),c=1/(n-a),f=1/(i-s);return t[0]=-2*o,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=-2*c,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=f,t[11]=0,t[12]=(e+r)*o,t[13]=(a+n)*c,t[14]=i*f,t[15]=1,t}function Ou(t,e,r,n){var a,i,s,o,c,f,g,u,l,p,h=e[0],v=e[1],y=e[2],T=n[0],C=n[1],d=n[2],x=r[0],w=r[1],S=r[2];return Math.abs(h-x)<1e-6&&Math.abs(v-w)<1e-6&&Math.abs(y-S)<1e-6?K(t):(g=h-x,u=v-w,l=y-S,p=1/Math.hypot(g,u,l),g*=p,u*=p,l*=p,a=C*l-d*u,i=d*g-T*l,s=T*u-C*g,p=Math.hypot(a,i,s),p?(p=1/p,a*=p,i*=p,s*=p):(a=0,i=0,s=0),o=u*s-l*i,c=l*a-g*s,f=g*i-u*a,p=Math.hypot(o,c,f),p?(p=1/p,o*=p,c*=p,f*=p):(o=0,c=0,f=0),t[0]=a,t[1]=o,t[2]=g,t[3]=0,t[4]=i,t[5]=c,t[6]=u,t[7]=0,t[8]=s,t[9]=f,t[10]=l,t[11]=0,t[12]=-(a*h+i*v+s*y),t[13]=-(o*h+c*v+f*y),t[14]=-(g*h+u*v+l*y),t[15]=1,t)}function Zv(t,e,r,n){var a=e[0],i=e[1],s=e[2],o=n[0],c=n[1],f=n[2],g=a-r[0],u=i-r[1],l=s-r[2],p=g*g+u*u+l*l;p>0&&(p=1/Math.sqrt(p),g*=p,u*=p,l*=p);var h=c*l-f*u,v=f*g-o*l,y=o*u-c*g;return p=h*h+v*v+y*y,p>0&&(p=1/Math.sqrt(p),h*=p,v*=p,y*=p),t[0]=h,t[1]=v,t[2]=y,t[3]=0,t[4]=u*y-l*v,t[5]=l*h-g*y,t[6]=g*v-u*h,t[7]=0,t[8]=g,t[9]=u,t[10]=l,t[11]=0,t[12]=a,t[13]=i,t[14]=s,t[15]=1,t}function Qv(t){return"mat4("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", 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c=Math.abs(e[4])*r[1],f=Math.abs(e[7])*r[2];n[1]=1,a=c,f>=a&&(n[1]=2,kr(e,3,1,2)),n[2]=2;let g=0;if(ji(e)<0){g=1;for(let l=0;l<9;l++)e[l]=-e[l]}const u=he(4);if(Og(e,u),wg(u,e),g)for(let l=0;l<9;l++)e[l]=-e[l];n[1]!==1&&kr(e,3,n[1],1),n[0]!==0&&kr(e,3,n[0],0)}function Rg(t,e,r){let n,a,i,s,o,c;if(pa([...t],3,e,r),e[0]===e[1]&&e[0]===e[2]){xg(r);return}for(lr(r,r),n=0;n<3;n++)if(e[(n+1)%3]===e[(n+2)%3]){for(c=Math.abs(r[n*3]),s=0,a=1;a<3;a++)c<(o=Math.abs(r[n*3+a]))&&(c=o,s=a);s!==n&&(o=e[s],e[s]=e[n],e[n]=o,Pr(r,3,n,s)),r[s*3+s]<0&&(r[s*3]=-r[s*3],r[s*3+1]=-r[s*3+1],r[s*3+2]=-r[s*3+2]),a=(s+1)%3,i=(s+2)%3,r[a*3]=0,r[a*3+1]=0,r[a*3+2]=0,r[a*3+a]=1;const f=Ke([r[s*3],r[s*3+1],r[s*3+2]],[r[a*3],r[a*3+1],r[a*3+2]],[]);Ze(f);const g=Ke(f,[r[s*3],r[s*3+1],r[s*3+2]],[]);for(let u=0;u<3;u++)r[i*3+u]=f[u],r[a*3+u]=g[u];lr(r,r);return}for(c=Math.abs(r[0]),s=0,n=1;n<3;n++)c<(o=Math.abs(r[n*3]))&&(c=o,s=n);if(s!==0){const f=e[s];e[s]=e[0],e[0]=f,Pr(r,3,s,0)}if(Math.abs(r[4])<Math.abs(r[7])){const f=e[2];e[2]=e[1],e[1]=f,Pr(r,3,1,2)}for(n=0;n<2;n++)r[n*3+n]<0&&(r[n*3]=-r[n*3],r[n*3+1]=-r[n*3+1],r[n*3+2]=-r[n*3+2]);ji(r)<0&&(r[6]=-r[6],r[7]=-r[7],r[8]=-r[8]),lr(r,r)}function fd(t,e,r,n){let a;const i=[...t],s=ji(i);if(s<0)for(a=0;a<9;a++)i[a]=-i[a];Eg(i,e),lr(i,i),Zs(i,e,n),Rg(n,r,n),Zs(e,n,e),lr(n,n),s<0&&(r[0]=-r[0],r[1]=-r[1],r[2]=-r[2])}function ko(t,e,r){let n,a,i,s,o=0,c,f,g;const u=he(r);for(n=0;n<r;n++){for(s=0,a=0;a<r;a++)(g=Math.abs(t[n*r+a]))>s&&(s=g);if(s===0)return Yn("Unable to factor linear system"),0;u[n]=1/s}for(a=0;a<r;a++){for(n=0;n<a;n++){for(c=t[n*r+a],i=0;i<n;i++)c-=t[n*r+i]*t[i*r+a];t[n*r+a]=c}for(s=0,n=a;n<r;n++){for(c=t[n*r+a],i=0;i<a;i++)c-=t[n*r+i]*t[i*r+a];t[n*r+a]=c,(f=u[n]*Math.abs(c))>=s&&(s=f,o=n)}if(a!==o){for(i=0;i<r;i++)f=t[o*r+i],t[o*r+i]=t[a*r+i],t[a*r+i]=f;u[o]=u[a]}if(e[a]=o,Math.abs(t[a*r+a])<=1e-12)return Yn("Unable to factor linear system"),0;if(a!==r-1)for(f=1/t[a*r+a],n=a+1;n<r;n++)t[n*r+a]*=f}return 1}function Go(t,e,r,n){let a,i,s,o,c;for(s=-1,a=0;a<n;a++){if(o=e[a],c=r[o],r[o]=r[a],s>=0)for(i=s;i<=a-1;i++)c-=t[a*n+i]*r[i];else c!==0&&(s=a);r[a]=c}for(a=n-1;a>=0;a--){for(c=r[a],i=a+1;i<n;i++)c-=t[a*n+i]*r[i];r[a]=c/t[a*n+a]}}function Mg(t,e,r){if(r===2){const a=he(2),i=xe(t[0],t[1],t[2],t[3]);return i===0?0:(a[0]=(t[3]*e[0]-t[1]*e[1])/i,a[1]=(-(t[2]*e[0])+t[0]*e[1])/i,e[0]=a[0],e[1]=a[1],1)}if(r===1)return t[0]===0?0:(e[0]/=t[0],1);const n=he(r);return ko(t,n,r)===0?0:(Go(t,n,e,r),1)}function Uo(t,e,r,n=null,a=null){const i=n||he(r),s=a||he(r);if(ko(t,i,r,s)===0)return null;for(let o=0;o<r;o++){for(let c=0;c<r;c++)s[c]=0;s[o]=1,Go(t,i,s,r);for(let c=0;c<r;c++)e[c*r+o]=s[c]}return e}function ud(t,e){let r=+Number.MAX_VALUE,n=-Number.MAX_VALUE;for(let a=0;a<e;a++)for(let i=a;i<e;i++)Math.abs(t[a*e+i])>n&&(n=Math.abs(t[a*e+i]));for(let a=0;a<e;a++)Math.abs(t[a*e+a])<r&&(r=Math.abs(t[a*e+a]));return r===0?Number.MAX_VALUE:n/r}function gd(t,e,r){return pa(t,3,e,r)}function Js(t,e,r,n){if(t<r)return Yn("Insufficient number of samples. Underdetermined."),0;let a,i,s;const o=he(r*r),c=he(r),f=he(r*r);for(s=0;s<t;s++)for(a=0;a<r;a++)for(i=a;i<r;i++)o[a*r+i]+=e[s*r+a]*e[s*r+i];for(a=0;a<r;a++)for(i=0;i<a;i++)o[a*r+i]=o[i*r+a];for(pa(o,r,c,f),a=0;a<r;a++)n[a]=f[a*r+r-1];return 1}function ld(t,e,r,n,a,i,s=!0){if(t<r||t<a)return Yn("Insufficient number of samples. Underdetermined."),0;const o=he(a);let c=1,f,g=0,u,l,p,h=0;if(s){for(l=0;l<a;l++)o[l]=1;for(u=0;u<t;u++)for(l=0;l<a;l++)Math.abs(n[u*a+l])>1e-12&&(c=0,o[l]=0);if(c&&a===1)return Yn("Detected homogeneous system (Y=0), calling SolveHomogeneousLeastSquares()"),Js(t,e,r,i);if(c)h=1;else for(l=0;l<a;l++)o[l]&&(h=1)}h&&(f=he(r),g=Js(t,e,r,f));const v=he(r*r),y=he(r*r),T=he(r*a);for(p=0;p<t;p++)for(u=0;u<r;u++){for(l=u;l<r;l++)v[u*r+l]+=e[p*r+u]*e[p*r+l];for(l=0;l<a;l++)T[u*a+l]+=e[p*r+u]*n[p*a+l]}for(u=0;u<r;u++)for(l=0;l<u;l++)v[u*r+l]=v[l*r+u];const C=Uo(v,y,r);if(C)for(u=0;u<r;u++)for(l=0;l<a;l++)for(i[u*a+l]=0,p=0;p<r;p++)i[u*a+l]+=y[u*r+p]*T[p*a+l];if(h){for(l=0;l<a;l++)if(o[l])for(u=0;u<r;u++)i[u*a+l]=f[u*a]}return h?g&&C:C}function pd(t,e=[0,.5,1]){switch(t.length){case 3:return e[0]=parseInt(t[0],16)*17/255,e[1]=parseInt(t[1],16)*17/255,e[2]=parseInt(t[2],16)*17/255,e;case 4:return e[0]=parseInt(t[1],16)*17/255,e[1]=parseInt(t[2],16)*17/255,e[2]=parseInt(t[3],16)*17/255,e;case 6:return e[0]=parseInt(t.substr(0,2),16)/255,e[1]=parseInt(t.substr(2,2),16)/255,e[2]=parseInt(t.substr(4,2),16)/255,e;case 7:return e[0]=parseInt(t.substr(1,2),16)/255,e[1]=parseInt(t.substr(3,2),16)/255,e[2]=parseInt(t.substr(5,2),16)/255,e;case 9:return e[0]=parseInt(t.substr(1,2),16)/255,e[1]=parseInt(t.substr(3,2),16)/255,e[2]=parseInt(t.substr(5,2),16)/255,e[3]=parseInt(t.substr(7,2),16)/255,e;default:return e}}function br(t,e){let r,n;const[a,i,s]=t,o=1/3,c=1/6,f=2/3;let g=a,u=a;i>g?g=i:i<u&&(u=i),s>g?g=s:s<u&&(u=s);const l=g;l>0?n=(g-u)/g:n=0,n>0?(a===g?r=c*(i-s)/(g-u):i===g?r=o+c*(s-a)/(g-u):r=f+c*(a-i)/(g-u),r<0&&(r+=1)):r=0,e[0]=r,e[1]=n,e[2]=l}function bn(t,e){const[r,n,a]=t,i=1/3,s=1/6,o=2/3,c=5/6;let f,g,u;r>s&&r<=i?(g=1,f=(i-r)/s,u=0):r>i&&r<=.5?(g=1,u=(r-i)/s,f=0):r>.5&&r<=o?(u=1,g=(o-r)/s,f=0):r>o&&r<=c?(u=1,f=(r-o)/s,g=0):r>c&&r<=1?(f=1,u=(1-r)/s,g=0):(f=1,g=r/s,u=0),f=n*f+(1-n),g=n*g+(1-n),u=n*u+(1-n),f*=a,g*=a,u*=a,e[0]=f,e[1]=g,e[2]=u}function mg(t,e){const[r,n,a]=t;let i=(r+16)/116,s=n/500+i,o=i-a/200;i**3>.008856?i**=3:i=(i-16/116)/7.787,s**3>.008856?s**=3:s=(s-16/116)/7.787,o**3>.008856?o**=3:o=(o-16/116)/7.787;const c=.9505,f=1,g=1.089;e[0]=c*s,e[1]=f*i,e[2]=g*o}function Dg(t,e){const[r,n,a]=t,i=.9505,s=1,o=1.089;let c=r/i,f=n/s,g=a/o;c>.008856?c**=1/3:c=7.787*c+16/116,f>.008856?f**=1/3:f=7.787*f+16/116,g>.008856?g**=1/3:g=7.787*g+16/116,e[0]=116*f-16,e[1]=500*(c-f),e[2]=200*(f-g)}function Vg(t,e){const[r,n,a]=t;let i=r*3.2406+n*-1.5372+a*-.4986,s=r*-.9689+n*1.8758+a*.0415,o=r*.0557+n*-.204+a*1.057;i>.0031308?i=1.055*i**(1/2.4)-.055:i*=12.92,s>.0031308?s=1.055*s**(1/2.4)-.055:s*=12.92,o>.0031308?o=1.055*o**(1/2.4)-.055:o*=12.92;let c=i;c<s&&(c=s),c<o&&(c=o),c>1&&(i/=c,s/=c,o/=c),i<0&&(i=0),s<0&&(s=0),o<0&&(o=0),e[0]=i,e[1]=s,e[2]=o}function Lg(t,e){let[r,n,a]=t;r>.04045?r=((r+.055)/1.055)**2.4:r/=12.92,n>.04045?n=((n+.055)/1.055)**2.4:n/=12.92,a>.04045?a=((a+.055)/1.055)**2.4:a/=12.92,e[0]=r*.4124+n*.3576+a*.1805,e[1]=r*.2126+n*.7152+a*.0722,e[2]=r*.0193+n*.1192+a*.9505}function An(t,e){const r=[0,0,0];Lg(t,r),Dg(r,e)}function Si(t,e){const r=[0,0,0];mg(t,r),Vg(r,e)}function bo(t){return t[0]=1,t[1]=-1,t[2]=1,t[3]=-1,t[4]=1,t[5]=-1,t}function ti(t){return!(t[1]-t[0]<0)}function hd(t,e,r){return r[0]=Math.min(t[0],e[0]),r[1]=Math.max(t[0],e[0]),r[2]=Math.min(t[1],e[1]),r[3]=Math.max(t[1],e[1]),r[4]=Math.min(t[2],e[2]),r[5]=Math.max(t[2],e[2]),r}function yt(t,e,r){return t<e?e:t>r?r:t}function eo(t,e,r,n=[0,0,0]){return n[0]=yt(t[0],e[0],r[0]),n[1]=yt(t[1],e[1],r[1]),n[2]=yt(t[2],e[2],r[2]),n}function vd(t,e){let r=0;return e[0]!==e[1]&&(t<e[0]?r=e[0]:t>e[1]?r=e[1]:r=t,r=(r-e[0])/(e[1]-e[0])),r}var Td=la("GetScalarTypeFittingRange"),yd=la("GetAdjustedScalarRange");function dd(t,e){if(!t||!e)return 0;for(let 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a=(r+gf)*4;e.useBelowRangeColor||r===0?(n[a]=e.belowRangeColor[0]*255+.5,n[a+1]=e.belowRangeColor[1]*255+.5,n[a+2]=e.belowRangeColor[2]*255+.5,n[a+3]=e.belowRangeColor[3]*255+.5):(n[a]=n[0],n[a+1]=n[1],n[a+2]=n[2],n[a+3]=n[3]),a=(r+lf)*4,e.useAboveRangeColor||r===0?(n[a]=e.aboveRangeColor[0]*255+.5,n[a+1]=e.aboveRangeColor[1]*255+.5,n[a+2]=e.aboveRangeColor[2]*255+.5,n[a+3]=e.aboveRangeColor[3]*255+.5):(n[a]=n[4*(r-1)+0],n[a+1]=n[4*(r-1)+1],n[a+2]=n[4*(r-1)+2],n[a+3]=n[4*(r-1)+3]),a=(r+ls)*4,n[a]=e.nanColor[0]*255+.5,n[a+1]=e.nanColor[1]*255+.5,n[a+2]=e.nanColor[2]*255+.5,n[a+3]=e.nanColor[3]*255+.5},t.build=()=>{(e.table.length<1||t.getMTime()>e.buildTime.getMTime()&&e.insertTime.getMTime()<=e.buildTime.getMTime())&&t.forceBuild()},e.table.length>0&&(t.buildSpecialColors(),e.insertTime.modified())}var rx={numberOfColors:256,hueRange:[0,.66667],saturationRange:[1,1],valueRange:[1,1],alphaRange:[1,1],nanColor:[.5,0,0,1],belowRangeColor:[0,0,0,1],aboveRangeColor:[1,1,1,1],useAboveRangeColor:!1,useBelowRangeColor:!1,alpha:1};function Ll(t,e,r={}){Object.assign(e,rx,r),Zi.extend(t,e,r),e.table||(e.table=[]),e.buildTime={},O.obj(e.buildTime),e.opaqueFlagBuildTime={},O.obj(e.opaqueFlagBuildTime,{mtime:0}),e.insertTime={},O.obj(e.insertTime,{mtime:0}),O.get(t,e,["buildTime"]),O.setGet(t,e,["numberOfColors","useAboveRangeColor","useBelowRangeColor"]),O.setArray(t,e,["alphaRange","hueRange","saturationRange","valueRange"],2),O.setArray(t,e,["nanColor","belowRangeColor","aboveRangeColor"],4),O.getArray(t,e,["hueRange","saturationRange","valueRange","alphaRange","nanColor","belowRangeColor","aboveRangeColor"]),nx(t,e)}var ax=O.newInstance(Ll,"vtkLookupTable"),Fl={newInstance:ax,extend:Ll},Ct={Off:0,PolygonOffset:1},so=Ct.PolygonOffset,mi=Ct.Off,ix=["VTK_RESOLVE_OFF","VTK_RESOLVE_POLYGON_OFFSET"];function sx(){return so}function ox(t){const e=so===t;return so=t,e}function cx(){return mi}function Qi(t=0){const e=mi===t;return mi=t,e}function fx(){return Qi(Ct.Off)}function ux(){return Qi(Ct.Off)}function gx(){return Qi(Ct.PolygonOffset)}function lx(){return ix[mi]}var oo={Resolve:Ct,getResolveCoincidentTopologyAsString:lx,getResolveCoincidentTopologyPolygonOffsetFaces:sx,getResolveCoincidentTopology:cx,setResolveCoincidentTopology:Qi,setResolveCoincidentTopologyPolygonOffsetFaces:ox,setResolveCoincidentTopologyToDefault:fx,setResolveCoincidentTopologyToOff:ux,setResolveCoincidentTopologyToPolygonOffset:gx};function _l(t,e,r){r.forEach(n=>{t[`get${n.method}`]=()=>e[n.key],t[`set${n.method}`]=O.objectSetterMap.object(t,e,{name:n.key,params:["factor","offset"]})})}var Qo=["Polygon","Line","Point"],px={Polygon:{factor:2,offset:0},Line:{factor:1,offset:-1},Point:{factor:0,offset:-2}},hx=()=>{},$n={modified:hx};_l($n,px,Qo.map(t=>({key:t,method:`ResolveCoincidentTopology${t}OffsetParameters`})));function vx(t,e){e.resolveCoincidentTopology===void 0&&(e.resolveCoincidentTopology=!1),O.setGet(t,e,["resolveCoincidentTopology"]),e.topologyOffset={Polygon:{factor:0,offset:0},Line:{factor:0,offset:0},Point:{factor:0,offset:0}},Object.keys(oo).forEach(r=>{t[r]=oo[r]}),Object.keys($n).filter(r=>r!=="modified").forEach(r=>{t[r]=$n[r]}),_l(t,e.topologyOffset,Qo.map(r=>({key:r,method:`RelativeCoincidentTopology${r}OffsetParameters`}))),t.getCoincidentTopologyPolygonOffsetParameters=()=>{const r=$n.getResolveCoincidentTopologyPolygonOffsetParameters(),n=t.getRelativeCoincidentTopologyPolygonOffsetParameters();return{factor:r.factor+n.factor,offset:r.offset+n.offset}},t.getCoincidentTopologyLineOffsetParameters=()=>{const 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o=null,c=!1;if(n===Rn.DEFAULT)o=r.getPointData().getScalars(),o||(o=r.getCellData().getScalars(),c=!0);else if(n===Rn.USE_POINT_DATA)o=r.getPointData().getScalars();else if(n===Rn.USE_CELL_DATA)o=r.getCellData().getScalars(),c=!0;else if(n===Rn.USE_POINT_FIELD_DATA){const f=r.getPointData();a===ps.BY_ID?o=f.getArrayByIndex(i):o=f.getArrayByName(s)}else if(n===Rn.USE_CELL_FIELD_DATA){const f=r.getCellData();c=!0,a===ps.BY_ID?o=f.getArrayByIndex(i):o=f.getArrayByName(s)}else if(n===Rn.USE_FIELD_DATA){const f=r.getFieldData();a===ps.BY_ID?o=f.getArrayByIndex(i):o=f.getArrayByName(s)}return{scalars:o,cellFlag:c}},t.mapScalars=(r,n)=>{const{scalars:a,cellFlag:i}=t.getAbstractScalars(r,e.scalarMode,e.arrayAccessMode,e.arrayId,e.colorByArrayName);if(e.areScalarsMappedFromCells=i,!a){e.colorCoordinates=null,e.colorTextureMap=null,e.colorMapColors=null;return}const s=`${t.getMTime()}${a.getMTime()}${n}`;if(e.colorBuildString!==s){if(e.useLookupTableScalarRange||t.getLookupTable().setRange(e.scalarRange[0],e.scalarRange[1]),t.canUseTextureMapForColoring(a,i))e.mapScalarsToTexture(a,i,n);else{e.colorCoordinates=null,e.colorTextureMap=null;const o=t.getLookupTable();o&&(o.build(),e.colorMapColors=o.mapScalars(a,e.colorMode,e.fieldDataTupleId))}e.colorBuildString=`${t.getMTime()}${a.getMTime()}${n}`}},e.mapScalarsToTexture=(r,n,a)=>{const i=e.lookupTable.getRange(),s=e.lookupTable.usingLogScale(),o=e.lookupTable.getAlpha(),c=s?[Math.log10(i[0]),Math.log10(i[1])]:i;if(e.colorMapColors=null,e.colorTextureMap==null||t.getMTime()>e.colorTextureMap.getMTime()||e.lookupTable.getMTime()>e.colorTextureMap.getMTime()||e.lookupTable.getAlpha()!==a){e.lookupTable.setAlpha(a),e.colorTextureMap=null,e.lookupTable.build();const f=e.lookupTable.getNumberOfAvailableColors(),g=2048,u=g**3-3;e.numberOfColorsInRange=Math.min(Math.max(f,2),n?u:4094);const 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m=0;m<3;m++)h[m]=v[m]+R*(y[m]-v[m]);const{inserted:L,id:D}=a.insertUniquePoint(h);T[d]=D,L&&o.interpolateData(s,e.pointsIds[S],e.pointsIds[M],D,R)}}if(!(T[0]===T[1]||T[0]===T[2]||T[1]===T[2])){const d=i.insertNextCell(T);g.passData(c,f,d)}}}}var FS={};function Zl(t,e,r={}){Object.assign(e,FS,r),Zn.extend(t,e,r),LS(t,e)}var _S=O.newInstance(Zl,"vtkTriangle"),ec={newInstance:_S,extend:Zl,...VS};function yf(){return{intersected:!1,subId:-1,x:[0,0,0],pCoords:[0,0,0],t:-1}}function NS(t,e){e.classHierarchy.push("vtkQuad"),t.getCellDimension=()=>2,t.getCellType=()=>fe.VTK_QUAD,t.getNumberOfEdges=()=>4,t.getNumberOfFaces=()=>0,t.intersectWithLine=(r,n,a,i,s)=>{let o={subId:0,t:Number.MAX_VALUE,intersect:0,betweenPoints:!1},c;const f=e.points.getPoint(0,[]),g=e.points.getPoint(1,[]),u=e.points.getPoint(2,[]),l=e.points.getPoint(3,[]),p=Xe(f,u),h=Xe(g,l);if(p===h){let S,M=0,E=0;for(let R=0;R<4;R++)S=e.pointsIds[R],S>M&&(M=S,E=R);E===0||E===2?c=0:c=1}else p<h?c=0:c=1;let v=null;e.triangle?v=e.triangle.getPoints():(e.triangle=ec.newInstance(),v=qn.newInstance(),v.setNumberOfPoints(3),e.triangle.initialize(v));let y;const T=yf();let C;const d=yf();let x,w;switch(c){case 0:v.setPoint(0,...f),v.setPoint(1,...g),v.setPoint(2,...u),y=e.triangle.intersectWithLine(r,n,a,T.x,T.pCoords),v.setPoint(0,...u),v.setPoint(1,...l),v.setPoint(2,...f),C=e.triangle.intersectWithLine(r,n,a,d.x,d.pCoords),x=y.intersect&&C.intersect?y.t<=C.t:y.intersect,w=y.intersect&&C.intersect?C.t<y.t:C.intersect,x?(o=y,i[0]=T.x[0],i[1]=T.x[1],i[2]=T.x[2],s[0]=T.pCoords[0]+T.pCoords[1],s[1]=T.pCoords[1],s[2]=T.pCoords[2]):w&&(o=C,i[0]=d.x[0],i[1]=d.x[1],i[2]=d.x[2],s[0]=1-(d.pCoords[0]+d.pCoords[1]),s[1]=1-d.pCoords[1],s[2]=d.pCoords[2]);break;case 1:v.setPoint(0,...f),v.setPoint(1,...g),v.setPoint(2,...l),y=e.triangle.intersectWithLine(r,n,a,T.x,T.pCoords),v.setPoint(0,...u),v.setPoint(1,...l),v.setPoint(2,...g),C=e.triangle.intersectWithLine(r,n,a,d.x,d.pCoords),x=y.intersect&&C.intersect?y.t<=C.t:y.intersect,w=y.intersect&&C.intersect?C.t<y.t:C.intersect,x?(o=y,i[0]=T.x[0],i[1]=T.x[1],i[2]=T.x[2],s[0]=T.pCoords[0],s[1]=T.pCoords[1],s[2]=T.pCoords[2]):w&&(o=C,i[0]=d.x[0],i[1]=d.x[1],i[2]=d.x[2],s[0]=1-d.pCoords[0],s[1]=1-d.pCoords[1],s[2]=d.pCoords[2]);break;default:break}return o},t.interpolationFunctions=(r,n)=>{const a=1-r[0],i=1-r[1];n[0]=a*i,n[1]=r[0]*i,n[2]=r[0]*r[1],n[3]=a*r[1]},t.evaluateLocation=(r,n,a)=>{const i=[];t.interpolationFunctions(r,a),n[0]=0,n[1]=0,n[2]=0;for(let s=0;s<4;s++){e.points.getPoint(s,i);for(let o=0;o<3;o++)n[o]+=i[o]*a[s]}}}var BS={};function Ql(t,e,r={}){Object.assign(e,BS,r),Zn.extend(t,e,r),NS(t,e)}var kS=O.newInstance(Ql,"vtkQuad"),GS={newInstance:kS,extend:Ql},{vtkErrorMacro:Jl}=O;function US(t){return()=>Jl(`vtkTriangleStrip.${t} - NOT IMPLEMENTED`)}function bS(t,e){if(!Array.isArray(t)||t.length<3){Jl("decomposeStrip - Invalid points array");return}let r=t[0],n=t[1];for(let a=0;a<t.length-2;a++){const i=t[a+2];a%2?e.insertNextCell([n,r,i]):e.insertNextCell([r,n,i]),r=n,n=i}}var $S={decomposeStrip:bS};function zS(t,e){e.classHierarchy.push("vtkTriangleStrip");const r=t.initialize;t.initialize=(n,a)=>{e.triangle.initialize(n,a),r(n,a)},t.getCellType=()=>fe.VTK_TRIANGLE_STRIP,t.getCellDimension=()=>2,t.getNumberOfEdges=()=>e.pointsIds.length,t.getNumberOfFaces=()=>0,t.evaluatePosition=(n,a,i,s,o)=>{const c=[0,0,0];let f=Number.MAX_VALUE,g=0;const u=[],l=[],p=[];i[2]=0,l[0]=0,l[1]=0,l[2]=0;const h=e.triangle.getPoints();h.setNumberOfPoints(3);const v=e.triangle.getPointsIds().length;for(let y=0;y<v;y++)o[y]=0;for(let y=0;y<v-2;y++){const T=[];h.getPoint(y,T);const C=[];h.getPoint(y+1,C);const d=[];h.getPoint(y+2,d),h.setData(Float32Array.from([...T,...C,...d]),3);const x=e.triangle.evaluatePosition(n,p,c,u),w=x.dist2;x.evaluation>=0&&(w<f||w===f&&g===0)&&(g=x,a&&(a[0]=p[0],a[1]=p[1],a[2]=p[2]),i[0]=c[0],i[1]=c[1],f=w,l[0]=u[0],l[1]=u[1],l[2]=u[2])}return s[0]=f,o[0]=l[0],o[1]=l[1],o[2]=l[2],g},t.evaluateLocation=(n,a,i,s)=>{const o=[[0,1,2],[1,0,2]],c=n%2,f=e.pointsIds.length;for(let p=0;p<f;p++)s[p]=0;s[n]=1-a[0]-a[1],s[n+1]=a[0],s[n+2]=a[1];const g=[];e.points.getPoint(n+o[c][0],g);const u=[];e.points.getPoint(n+o[c][1],u);const l=[];e.points.getPoint(n+o[c][2],l);for(let p=0;p<3;p++)i[p]=g[p]*s[n]+u[p]*s[n+1]+l[p]*s[n+2]},t.cellBoundary=(n,a,i)=>{const s=[[0,1,2],[1,0,2]],o=n%2,c=e.triangle.getPointsIds();return c[0]=e.pointsIds[s[o][0]],c[1]=e.pointsIds[s[o][1]],c[2]=e.pointsIds[s[o][2]],e.triangle.cellBoundary(0,a,i)},t.getEdge=n=>{let a,i;const s=e.pointsIds.length;return n===0?(a=0,i=1):n===s-1?(a=n-1,i=n):(a=n-1,i=n+1),e.line.getPointsIds()[0]=e.pointsIds[a],e.line.getPointsIds()[1]=e.pointsIds[i],e.line.getPoints().setPoint(0,e.points.getPoint(a)),e.line.getPoints().setPoint(1,e.points.getPoint(i)),e.line},t.intersectWithLine=(n,a,i,s,o)=>{const c=e.pointsIds.length-2,f=e.triangle.getPoints();f.setNumberOfPoints(3);for(let g=0;g<c;g++){const u=[];e.points.getPoint(e.pointsIds[g],u);const l=[];e.points.getPoint(e.pointsIds[g+1],l);const p=[];e.points.getPoint(e.pointsIds[g+2],p),f.setData(Float32Array.from([...u,...l,...p]),3);const h=e.triangle.intersectWithLine(n,a,i,s,o);if(h.intersect)return h}return!1},t.triangulate=()=>{const n=e.points.getNumberOfPoints()-2;e.tris=new Array(3*n);const a=[[0,1,2],[1,0,2]];for(let i=0;i<n;i++){const s=i%2;for(let o=0;o<3;o++)e.tris[i*3+o]=i+a[s][o]}return!0},t.getPointArray=()=>e.tris,t.derivatives=(n,a,i,s,o)=>{const c=[];e.points.getPoint(n,c);const f=[];e.points.getPoint(n+1,f);const g=[];e.points.getPoint(n+2,g);const u=e.triangle.getPoints();u.setPoint(0,...c),u.setPoint(1,...f),u.setPoint(2,...g),e.triangle.derivatives(0,a,i,s,o)},t.getParametricCenter=n=>(n[0]=.333333,n[1]=.333333,n[2]=0,Math.floor((e.pointsIds.length-2)/2)),t.contour=(n,a,i,s,o,c,f,g,u,l,p)=>US("contour")(),t.clip=(n,a,i,s,o,c,f,g,u,l)=>{const p=e.points.getNumberOfPoints()-2,h=new Float32Array(3),v=a.newClone();v.setNumberOfComponents(a.getNumberOfComponents()),v.setData(h,a.getNumberOfComponents());const y=e.triangle.getPoints();y.setNumberOfPoints(3);const T=e.triangle.getPointsIds(),C=[0,0,0];for(let d=0;d<p;d++){let x=d,w=d+1,S=d+2;d%2&&(x=d+2,w=d+1,S=d),y.setPoint(0,...e.points.getPoint(x,C)),y.setPoint(1,...e.points.getPoint(w,C)),y.setPoint(2,...e.points.getPoint(S,C)),T[0]=e.pointsIds[x],T[1]=e.pointsIds[w],T[2]=e.pointsIds[S],h[0]=a.getComponent(x,0),h[1]=a.getComponent(w,0),h[2]=a.getComponent(S,0),e.triangle.clip(n,v,i,s,o,c,f,g,u,l)}}}var WS={line:null,triangle:null,tris:null};function ep(t,e,r={}){Object.assign(e,WS,r),Zn.extend(t,e,r),e.line||(e.line=be.newInstance()),e.triangle||(e.triangle=ec.newInstance()),zS(t,e)}var AS=O.newInstance(ep,"vtkTriangleStrip"),IS={newInstance:AS,extend:ep,...$S},er=["verts","lines","polys","strips"],{vtkWarningMacro:df}=O,HS={[fe.VTK_LINE]:be,[fe.VTK_QUAD]:GS,[fe.VTK_POLY_LINE]:be,[fe.VTK_TRIANGLE]:ec,[fe.VTK_TRIANGLE_STRIP]:IS,[fe.VTK_POLY_LINE]:fS,[fe.VTK_POLYGON]:ES};function jS(t,e){e.classHierarchy.push("vtkPolyData");function r(o){return o.replace(/(?:^\w|[A-Z]|\b\w)/g,c=>c.toUpperCase()).replace(/\s+/g,"")}function n(){e.cells=void 0,e.links=void 0}er.forEach(o=>{t[`getNumberOf${r(o)}`]=()=>e[o].getNumberOfCells(),e[o]?e[o]=Tt(e[o]):e[o]=Sr.newInstance(),e[`_on${r(o)}Changed`]=n}),t.getNumberOfCells=()=>er.reduce((o,c)=>o+e[c].getNumberOfCells(),0);const a=t.shallowCopy;t.shallowCopy=(o,c=!1)=>{a(o,c),er.forEach(f=>{e[f]=Sr.newInstance(),e[f].shallowCopy(o.getReferenceByName(f))})};const i=t.getMTime;t.getMTime=()=>er.reduce((o,c)=>Math.max(o,e[c]?.getMTime()??o),i());const s=t.initialize;t.initialize=()=>(er.forEach(o=>e[o]?.initialize()),n(),s()),t.buildCells=()=>{const o=t.getNumberOfVerts(),c=t.getNumberOfLines(),f=t.getNumberOfPolys(),g=t.getNumberOfStrips(),u=o+c+f+g,l=new Uint8Array(u);let p=l;const h=new Uint32Array(u);let v=h;if(o){let y=0;e.verts.getCellSizes().forEach((T,C)=>{v[C]=y,p[C]=T>1?fe.VTK_POLY_VERTEX:fe.VTK_VERTEX,y+=T+1}),v=v.subarray(o),p=p.subarray(o)}if(c){let y=0;e.lines.getCellSizes().forEach((T,C)=>{v[C]=y,p[C]=T>2?fe.VTK_POLY_LINE:fe.VTK_LINE,T===1&&df("Building VTK_LINE ",C," with only one point, but VTK_LINE needs at least two points. Check the input."),y+=T+1}),v=v.subarray(c),p=p.subarray(c)}if(f){let y=0;e.polys.getCellSizes().forEach((T,C)=>{switch(v[C]=y,T){case 3:p[C]=fe.VTK_TRIANGLE;break;case 4:p[C]=fe.VTK_QUAD;break;default:p[C]=fe.VTK_POLYGON;break}T<3&&df("Building VTK_TRIANGLE ",C," with less than three points, but VTK_TRIANGLE needs at least three points. Check the input."),y+=T+1}),v+=v.subarray(f),p+=p.subarray(f)}if(g){let y=0;p.fill(fe.VTK_TRIANGLE_STRIP,0,g),e.strips.getCellSizes().forEach((T,C)=>{v[C]=y,y+=T+1})}e.cells=Zx.newInstance(),e.cells.setCellTypes(u,l,h)},t.buildLinks=(o=0)=>{e.cells==null&&t.buildCells(),e.links=Ax.newInstance(),o>0?e.links.allocate(o):e.links.allocate(t.getPoints().getNumberOfPoints()),e.links.buildLinks(t)},t.getCellType=o=>e.cells.getCellType(o),t.getCellPoints=o=>{const c=t.getCellType(o);let f=null;switch(c){case fe.VTK_VERTEX:case fe.VTK_POLY_VERTEX:f=e.verts;break;case fe.VTK_LINE:case fe.VTK_POLY_LINE:f=e.lines;break;case fe.VTK_TRIANGLE:case fe.VTK_QUAD:case fe.VTK_POLYGON:f=e.polys;break;case fe.VTK_TRIANGLE_STRIP:f=e.strips;break;default:return f=null,{type:0,cellPointIds:null}}const g=e.cells.getCellLocation(o);return{cellType:c,cellPointIds:f.getCell(g)}},t.getPointCells=o=>e.links.getCells(o),t.getCellEdgeNeighbors=(o,c,f)=>{const g=e.links.getLink(c),u=e.links.getLink(f);return g.cells.filter(l=>l!==o&&u.cells.indexOf(l)!==-1)},t.getCell=(o,c=null)=>{const f=t.getCellPoints(o),g=c||HS[f.cellType].newInstance();return g.initialize(t.getPoints(),f.cellPointIds),g},t.getMaxCellSize=()=>er.reduce((o,c)=>Math.max(o,e[c]?.getMaxCellSize?.()??0),0)}var PS={};function tp(t,e,r={}){Object.assign(e,PS,r),iS.extend(t,e,r),O.get(t,e,["cells","links"]),O.setGet(t,e,["verts","lines","polys","strips"]),jS(t,e)}var KS=O.newInstance(tp,"vtkPolyData"),ze={newInstance:KS,extend:tp};function XS(t,e){e.classHierarchy.push("vtkTexture"),t.imageLoaded=()=>{e.image.removeEventListener("load",t.imageLoaded),e.imageLoaded=!0,t.modified()},t.setJsImageData=r=>{e.jsImageData!==r&&(r!==null&&(t.setInputData(null),t.setInputConnection(null),e.image=null,e.canvas=null,e.imageBitmap=null),e.jsImageData=r,e.imageLoaded=!0,t.modified())},t.setImageBitmap=r=>{e.imageBitmap!==r&&(r!==null&&(t.setInputData(null),t.setInputConnection(null),e.image=null,e.canvas=null,e.jsImageData=null),e.imageBitmap=r,e.imageLoaded=!0,t.modified())},t.setCanvas=r=>{e.canvas!==r&&(r!==null&&(t.setInputData(null),t.setInputConnection(null),e.image=null,e.imageBitmap=null,e.jsImageData=null),e.canvas=r,t.modified())},t.setImage=r=>{e.image!==r&&(r!==null&&(t.setInputData(null),t.setInputConnection(null),e.canvas=null,e.jsImageData=null,e.imageBitmap=null),e.image=r,e.imageLoaded=!1,r.complete?t.imageLoaded():r.addEventListener("load",t.imageLoaded),t.modified())},t.getDimensionality=()=>{let r=0,n=0,a=1;if(t.getInputData()){const i=t.getInputData();r=i.getDimensions()[0],n=i.getDimensions()[1],a=i.getDimensions()[2]}return e.jsImageData&&(r=e.jsImageData.width,n=e.jsImageData.height),e.canvas&&(r=e.canvas.width,n=e.canvas.height),e.image&&(r=e.image.width,n=e.image.height),e.imageBitmap&&(r=e.imageBitmap.width,n=e.imageBitmap.height),(r>1)+(n>1)+(a>1)},t.getInputAsJsImageData=()=>{if(!e.imageLoaded||t.getInputData())return null;if(e.jsImageData)return e.jsImageData;if(e.imageBitmap)return e.imageBitmap;if(e.canvas)return e.canvas.getContext("2d").getImageData(0,0,e.canvas.width,e.canvas.height);if(e.image){const r=e.image.width,n=e.image.height,a=new OffscreenCanvas(r,n).getContext("2d");return a.translate(0,n),a.scale(1,-1),a.drawImage(e.image,0,0,r,n),a.getImageData(0,0,r,n)}return null}}var YS=(t,e,r)=>{const n=t.createShaderModule({code:`
-    @group(0) @binding(0) var inputTexture: texture_2d<f32>;
-    @group(0) @binding(1) var outputTexture: texture_storage_2d<rgba8unorm, write>;
-
-    @compute @workgroup_size(8, 8)
-    fn main(@builtin(global_invocation_id) global_id: vec3<u32>) {
-      let texelCoord = vec2<i32>(global_id.xy);
-      let outputSize = textureDimensions(outputTexture);
-
-      if (texelCoord.x >= i32(outputSize.x) || texelCoord.y >= i32(outputSize.y)) {
-        return;
-      }
-
-      let inputSize = textureDimensions(inputTexture);
-      let scale = vec2<f32>(inputSize) / vec2<f32>(outputSize);
-
-      // Compute the floating-point source coordinate
-      let srcCoord = (vec2<f32>(texelCoord) + 0.5) * scale - 0.5;
-
-      // Get integer coordinates for the four surrounding texels
-      let x0 = i32(floor(srcCoord.x));
-      let x1 = min(x0 + 1, i32(inputSize.x) - 1);
-      let y0 = i32(floor(srcCoord.y));
-      let y1 = min(y0 + 1, i32(inputSize.y) - 1);
-
-      // Compute the weights
-      let wx = srcCoord.x - f32(x0);
-      let wy = srcCoord.y - f32(y0);
-
-      // Fetch the four texels
-      let c00 = textureLoad(inputTexture, vec2<i32>(x0, y0), 0);
-      let c10 = textureLoad(inputTexture, vec2<i32>(x1, y0), 0);
-      let c01 = textureLoad(inputTexture, vec2<i32>(x0, y1), 0);
-      let c11 = textureLoad(inputTexture, vec2<i32>(x1, y1), 0);
-
-      // Bilinear interpolation
-      let color = mix(
-        mix(c00, c10, wx),
-        mix(c01, c11, wx),
-        wy
-      );
-
-      textureStore(outputTexture, texelCoord, color);
-    }
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g=0,u=0,l=0;for(let p=0;p<6;p++)if(n[p])for(let h=0;h<4;h++){const v=Cf[p][h];if(a[v]===1){const y=xf[v],T=_a[v][0]*3,C=_a[v][1]*3;f[g*3]=.5*(c[T]+c[C]),f[g*3+1]=.5*(c[T+1]+c[C+1]),f[g*3+2]=.5*(c[T+2]+c[C+2]),g++;const d=Math.floor(p/2);f[g*3+d]=e.dataBounds[p],f[g*3+de[p][0]]=.5*(e.dataBounds[de[p][0]*2]+e.dataBounds[de[p][0]*2+1]),f[g*3+de[p][1]]=.5*(e.dataBounds[de[p][1]*2]+e.dataBounds[de[p][1]*2+1]),g++,e.textValues[u]=e.axisLabels[y],u++;const x=(y+1)%3,w=(y+2)%3,S=i[y],M=s[y];e.tickCounts[l]=S.length;for(let E=0;E<S.length;E++)f[g*3+y]=S[E],f[g*3+x]=c[T+x],f[g*3+w]=c[T+w],g++,e.textValues[u]=M[E],u++;l++}}e.textPolyData.getPoints().setData(f,3),e.textPolyData.modified()},t.update=()=>{if(!e.camera)return;const n=t.computeFacesToDraw(),a=e.lastFacesToDraw;let i=!1;for(let s=0;s<6;s++)e.dataBounds[s]!==e.lastTickBounds[s]&&(i=!0,e.lastTickBounds[s]=e.dataBounds[s]);if(n||i||e.forceUpdate){const s=new Array(12).fill(0);for(let c=0;c<6;c++)if(a[c])for(let f=0;f<4;f++)s[Cf[c][f]]++;const o=e.generateTicks(e.dataBounds);t.updatePolyData(a,s,o.ticks),t.updateTextData(a,s,o.ticks,o.tickStrings),(i||e.forceUpdate)&&t.updateTextureAtlas(o.tickStrings)}e.forceUpdate=!1},t.updateTextureAtlas=n=>{e.tmContext.textBaseline="bottom",e.tmContext.textAlign="left",e._tmAtlas.clear();let a=0,i=1;for(let s=0;s<3;s++){if(!e._tmAtlas.has(e.axisLabels[s])){vs(e.tmContext,e.axisTextStyle);const o=e.tmContext.measureText(e.axisLabels[s]),c={height:o.actualBoundingBoxAscent+2,startingHeight:i,width:o.width+2,textStyle:e.axisTextStyle};e._tmAtlas.set(e.axisLabels[s],c),i+=c.height,a<c.width&&(a=c.width)}vs(e.tmContext,e.tickTextStyle);for(let o=0;o<n[s].length;o++)if(!e._tmAtlas.has(n[s][o])){const c=e.tmContext.measureText(n[s][o]),f={height:c.actualBoundingBoxAscent+2,startingHeight:i,width:c.width+2,textStyle:e.tickTextStyle};e._tmAtlas.set(n[s][o],f),i+=f.height,a<f.width&&(a=f.width)}}a=ot(a),i=ot(i),e._tmAtlas.forEach(s=>{s.tcoords=[0,(i-s.startingHeight-s.height)/i,s.width/a,(i-s.startingHeight-s.height)/i,s.width/a,(i-s.startingHeight)/i,0,(i-s.startingHeight)/i]}),e.tmCanvas.width=a,e.tmCanvas.height=i,e.tmContext.textBaseline="bottom",e.tmContext.textAlign="left",e.tmContext.clearRect(0,0,a,i),e._tmAtlas.forEach((s,o)=>{vs(e.tmContext,s.textStyle),e.tmContext.fillText(o,1,s.startingHeight+s.height-1)}),e.tmTexture.setCanvas(e.tmCanvas),e.tmTexture.modified()},t.onModified(()=>{e.forceUpdate=!0,t.update()}),t.setTickTextStyle=n=>{e.tickTextStyle={...e.tickTextStyle,...n},t.modified()},t.setAxisTextStyle=n=>{e.axisTextStyle={...e.axisTextStyle,...n},t.modified()},t.get_tmAtlas=()=>e._tmAtlas,t.computeBounds=()=>{t.update(),P.setBounds(e.bounds,e.gridActor.getBounds()),P.scaleAboutCenter(e.bounds,e.boundsScaleFactor,e.boundsScaleFactor,e.boundsScaleFactor)};const r=t.setProperty;t.setProperty=n=>{const a=r(n);return e.gridActor.setProperty(n),a}}function r2(t,e,r){return{boundsScaleFactor:1.3,camera:null,dataBounds:[...P.INIT_BOUNDS],faceVisibilityAngle:8,gridLines:!0,axisLabels:null,axisTitlePixelOffset:35,tickLabelPixelOffset:12,generateTicks:rp,...r,axisTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:18,fontFamily:"serif",...r?.axisTextStyle},tickTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:14,fontFamily:"serif",...r?.tickTextStyle}}}function ap(t,e,r={}){dn.extend(t,e,r2(t,e,r)),e.lastFacesToDraw=[!1,!1,!1,!1,!1,!1],e.axisLabels=["X-Axis","Y-Axis","Z-Axis"],e.tickCounts=[],e.textValues=[],e.lastTickBounds=[],e.tmCanvas=document.createElement("canvas"),e.tmContext=e.tmCanvas.getContext("2d"),e._tmAtlas=new Map,e.tmTexture=pr.newInstance({resizable:!0}),e.tmTexture.setInterpolate(!1),t.getProperty().setDiffuse(0),t.getProperty().setAmbient(1),e.gridMapper=Cn.newInstance(),e.polyData=ze.newInstance(),e.gridMapper.setInputData(e.polyData),e.gridActor=dn.newInstance(),e.gridActor.setMapper(e.gridMapper),e.gridActor.setProperty(t.getProperty()),e.gridActor.setParentProp(t),e.textPolyData=ze.newInstance(),O.setGet(t,e,["axisTitlePixelOffset","boundsScaleFactor","faceVisibilityAngle","gridLines","tickLabelPixelOffset","generateTicks"]),O.setGetArray(t,e,["dataBounds"],6),O.setGetArray(t,e,["axisLabels"],3),O.get(t,e,["axisTextStyle","tickTextStyle","camera","tmTexture","textValues","textPolyData","tickCounts","gridActor"]),n2(t,e)}var a2=O.newInstance(ap,"vtkCubeAxesActor"),ip={newInstance:a2,extend:ap,newCubeAxesActorHelper:t2,defaultGenerateTicks:rp};function i2(t,e){e.classHierarchy.push("vtkOpenGLCubeAxesActor"),t.buildPass=r=>{r&&(e._openGLRenderer=t.getFirstAncestorOfType("vtkOpenGLRenderer"),e._openGLRenderWindow=e._openGLRenderer.getParent(),e.CubeAxesActorHelper.getRenderable()||e.CubeAxesActorHelper.setRenderable(e.renderable),t.prepareNodes(),t.addMissingNode(e.CubeAxesActorHelper.getTmActor()),t.addMissingNode(e.renderable.getGridActor()),t.removeUnusedNodes())},t.opaquePass=(r,n)=>{if(r){const a=e._openGLRenderer?e._openGLRenderer.getRenderable().getActiveCamera():null,i=e._openGLRenderer.getTiledSizeAndOrigin();e.CubeAxesActorHelper.updateAPISpecificData([i.usize,i.vsize],a,e._openGLRenderWindow.getRenderable())}}}var s2={};function o2(t,e,r={}){Object.assign(e,s2,r),Fe.extend(t,e,r),e.CubeAxesActorHelper=ip.newCubeAxesActorHelper(),i2(t,e)}var c2=ce(o2,"vtkOpenGLCubeAxesActor");Oe("vtkCubeAxesActor",c2);var qt={ARRAY_BUFFER:0,ELEMENT_ARRAY_BUFFER:1,TEXTURE_BUFFER:2},sp={ObjectType:qt},{ObjectType:ri}=sp,f2={};function u2(t,e){e.classHierarchy.push("vtkOpenGLBufferObject");function r(o){switch(o){case ri.ELEMENT_ARRAY_BUFFER:return e.context.ELEMENT_ARRAY_BUFFER;case ri.TEXTURE_BUFFER:if("TEXTURE_BUFFER"in e.context)return e.context.TEXTURE_BUFFER;case ri.ARRAY_BUFFER:default:return e.context.ARRAY_BUFFER}}let n=null,a=null,i=!0,s="";t.getType=()=>n,t.setType=o=>{n=o},t.getHandle=()=>a,t.isReady=()=>i===!1,t.generateBuffer=o=>{const c=r(o);return a===null&&(a=e.context.createBuffer(),n=o),r(n)===c},t.upload=(o,c)=>t.generateBuffer(c)?(e.context.bindBuffer(r(n),a),e.context.bufferData(r(n),o,e.context.STATIC_DRAW),e.allocatedGPUMemoryInBytes=o.length*o.BYTES_PER_ELEMENT,i=!1,!0):(s="Trying to upload array buffer to incompatible 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c=0;c<o;++c)r.enableVertexAttribArray(s.index+c),r.vertexAttribPointer(s.index+c,s.size,s.type,s.normalize,s.stride,s.offset+s.stride*c/s.size),s.divisor>0&&(e.instancingExtension?e.instancingExtension.vertexAttribDivisorANGLE(s.index+c,0):r.vertexAttribDivisor(s.index+c,0)),r.disableVertexAttribArray(s.index+c)}}}},t.shaderProgramChanged=()=>{t.release(),e.handleVAO&&(e.extension?e.extension.deleteVertexArrayOES(e.handleVAO):e.context.deleteVertexArray(e.handleVAO)),e.handleVAO=0,e.handleProgram=0},t.releaseGraphicsResources=()=>{t.shaderProgramChanged(),e.handleVAO&&(e.extension?e.extension.deleteVertexArrayOES(e.handleVAO):e.context.deleteVertexArray(e.handleVAO)),e.handleVAO=0,e.supported=!0,e.handleProgram=0},t.addAttributeArray=(r,n,a,i,s,o,c,f)=>t.addAttributeArrayWithDivisor(r,n,a,i,s,o,c,f,0,!1),t.addAttributeArrayWithDivisor=(r,n,a,i,s,o,c,f,g,u)=>{if(!r||!r.isBound()||n.getHandle()===0||n.getType()!==qt.ARRAY_BUFFER||(e.handleProgram===0&&(e.handleProgram=r.getHandle()),t.isReady()||t.initialize(),!t.isReady()||e.handleProgram!==r.getHandle()))return!1;const l=e.context,p={};if(p.name=a,p.index=l.getAttribLocation(e.handleProgram,a),p.offset=i,p.stride=s,p.type=o,p.size=c,p.normalize=f,p.isMatrix=u,p.divisor=g,p.Index===-1)return!1;if(n.bind(),l.enableVertexAttribArray(p.index),l.vertexAttribPointer(p.index,p.size,p.type,p.normalize,p.stride,p.offset),g>0&&(e.instancingExtension?e.instancingExtension.vertexAttribDivisorANGLE(p.index,1):l.vertexAttribDivisor(p.index,1)),p.buffer=n.getHandle(),!e.supported){let h=!1;for(let v=0;v<e.buffers.length;++v){const y=e.buffers[v];if(y.buffer===p.buffer){h=!0;let T=!1;for(let C=0;C<y.attributes.length;++C)y.attributes[C].name===a&&(T=!0,y.attributes[C]=p);T||y.attributes.push(p)}}h||e.buffers.push({buffer:p.buffer,attributes:[p]})}return!0},t.addAttributeMatrixWithDivisor=(r,n,a,i,s,o,c,f,g)=>{const u=t.addAttributeArrayWithDivisor(r,n,a,i,s,o,c,f,g,!0);if(!u)return u;const l=e.context,p=l.getAttribLocation(e.handleProgram,a);for(let h=1;h<c;h++)l.enableVertexAttribArray(p+h),l.vertexAttribPointer(p+h,c,o,f,s,i+s*h/c),g>0&&(e.instancingExtension?e.instancingExtension.vertexAttribDivisorANGLE(p+h,1):l.vertexAttribDivisor(p+h,1));return!0},t.removeAttributeArray=r=>{if(!t.isReady()||e.handleProgram===0)return!1;if(!e.supported)for(let n=0;n<e.buffers.length;++n){const a=e.buffers[n];for(let i=0;i<a.attributes.length;++i)if(a.attributes[i].name===r)return a.attributes.splice(i,1),a.attributes.length||e.buffers.splice(n,1),!0}return!0},t.setOpenGLRenderWindow=r=>{e._openGLRenderWindow!==r&&(t.releaseGraphicsResources(),e._openGLRenderWindow=r,e.context=null,r&&(e.context=e._openGLRenderWindow.getContext()))}}var m2={forceEmulation:!1,handleVAO:0,handleProgram:0,supported:!0,buffers:null,context:null};function lp(t,e,r={}){Object.assign(e,m2,r),e.buffers=[],O.obj(t,e),O.get(t,e,["supported"]),O.setGet(t,e,["forceEmulation"]),M2(t,e)}var D2=O.newInstance(lp,"vtkOpenGLVertexArrayObject"),va={newInstance:D2,extend:lp},Vt={Start:0,Points:0,Lines:1,Tris:2,TriStrips:3,TrisEdges:4,TriStripsEdges:5,End:6};function V2(t,e){e.classHierarchy.push("vtkOpenGLHelper"),t.setOpenGLRenderWindow=r=>{e.context=r.getContext(),e.program.setContext(e.context),e.VAO.setOpenGLRenderWindow(r),e.CABO.setOpenGLRenderWindow(r)},t.releaseGraphicsResources=r=>{e.VAO.releaseGraphicsResources(),e.CABO.releaseGraphicsResources(),e.CABO.setElementCount(0)},t.drawArrays=(r,n,a,i)=>{if(e.CABO.getElementCount()){const s=t.getOpenGLMode(a),o=t.haveWideLines(r,n),c=e.context,f=c.getParameter(c.DEPTH_WRITEMASK);e.pointPicking&&c.depthMask(!1),s===c.LINES&&o?(t.updateShaders(r,n,i),c.drawArraysInstanced(s,0,e.CABO.getElementCount(),2*Math.ceil(n.getProperty().getLineWidth()))):(c.lineWidth(n.getProperty().getLineWidth()),t.updateShaders(r,n,i),c.drawArrays(s,0,e.CABO.getElementCount()),c.lineWidth(1));const g=(s===c.POINTS?1:0)||(s===c.LINES?2:3);return e.pointPicking&&c.depthMask(f),e.CABO.getElementCount()/g}return 0},t.getOpenGLMode=r=>{if(e.pointPicking)return e.context.POINTS;const n=e.primitiveType;return r===dt.POINTS||n===Vt.Points?e.context.POINTS:r===dt.WIREFRAME||n===Vt.Lines||n===Vt.TrisEdges||n===Vt.TriStripsEdges?e.context.LINES:e.context.TRIANGLES},t.haveWideLines=(r,n)=>n.getProperty().getLineWidth()>1?!(e.CABO.getOpenGLRenderWindow()&&e.CABO.getOpenGLRenderWindow().getHardwareMaximumLineWidth()>=n.getProperty().getLineWidth()):!1,t.getNeedToRebuildShaders=(r,n,a)=>!!(a.getNeedToRebuildShaders(t,r,n)||t.getProgram()===0||t.getShaderSourceTime().getMTime()<a.getMTime()||t.getShaderSourceTime().getMTime()<n.getMTime()),t.updateShaders=(r,n,a)=>{if(t.getNeedToRebuildShaders(r,n,a)){const i={Vertex:null,Fragment:null,Geometry:null};a.buildShaders(i,r,n);const s=e.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);s!==t.getProgram()&&(t.setProgram(s),t.getVAO().releaseGraphicsResources()),t.getShaderSourceTime().modified()}else e.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgram(t.getProgram());t.getVAO().bind(),a.setMapperShaderParameters(t,r,n),a.setPropertyShaderParameters(t,r,n),a.setCameraShaderParameters(t,r,n),a.setLightingShaderParameters(t,r,n),a.invokeShaderCallbacks(t,r,n)},t.setMapperShaderParameters=(r,n,a)=>{if(t.haveWideLines(r,n)){t.getProgram().setUniform2f("viewportSize",a.usize,a.vsize);const i=parseFloat(n.getProperty().getLineWidth()),s=i/2;t.getProgram().setUniformf("lineWidthStepSize",i/Math.ceil(i)),t.getProgram().setUniformf("halfLineWidth",s)}e.primitiveType===Vt.Points||n.getProperty().getRepresentation()===dt.POINTS?t.getProgram().setUniformf("pointSize",n.getProperty().getPointSize()):e.pointPicking&&t.getProgram().setUniformf("pointSize",t.getPointPickingPrimitiveSize())},t.replaceShaderPositionVC=(r,n,a)=>{let i=r.Vertex;i=k.substitute(i,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform float pointSize;"]).result,i=k.substitute(i,"//VTK::PositionVC::Impl",["//VTK::PositionVC::Impl","  gl_PointSize = pointSize;"],!1).result,t.getOpenGLMode(a.getProperty().getRepresentation())===e.context.LINES&&t.haveWideLines(n,a)&&(i=k.substitute(i,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform vec2 viewportSize;","uniform float lineWidthStepSize;","uniform float halfLineWidth;"]).result,i=k.substitute(i,"//VTK::PositionVC::Impl",["//VTK::PositionVC::Impl"," if (halfLineWidth > 0.0)","   {","   float offset = float(gl_InstanceID / 2) * lineWidthStepSize - halfLineWidth;","   vec4 tmpPos = gl_Position;","   vec3 tmpPos2 = tmpPos.xyz / tmpPos.w;","   tmpPos2.x = tmpPos2.x + 2.0 * mod(float(gl_InstanceID), 2.0) * offset / viewportSize[0];","   tmpPos2.y = tmpPos2.y + 2.0 * mod(float(gl_InstanceID + 1), 2.0) * offset / viewportSize[1];","   gl_Position = vec4(tmpPos2.xyz * tmpPos.w, tmpPos.w);","   }"]).result),r.Vertex=i},t.getPointPickingPrimitiveSize=()=>e.primitiveType===Vt.Points?2:e.primitiveType===Vt.Lines?4:6,t.getAllocatedGPUMemoryInBytes=()=>t.getCABO().getAllocatedGPUMemoryInBytes()}var L2={context:null,program:null,shaderSourceTime:null,VAO:null,attributeUpdateTime:null,CABO:null,primitiveType:0,pointPicking:!1};function pp(t,e,r={}){Object.assign(e,L2,r),O.obj(t,e),e.shaderSourceTime={},O.obj(e.shaderSourceTime),e.attributeUpdateTime={},O.obj(e.attributeUpdateTime),O.setGet(t,e,["program","shaderSourceTime","VAO","attributeUpdateTime","CABO","primitiveType","pointPicking"]),e.program=k.newInstance(),e.VAO=va.newInstance(),e.CABO=y2.newInstance(),V2(t,e)}var F2=O.newInstance(pp),ft={newInstance:F2,extend:pp,primTypes:Vt},aa={CLAMP_TO_EDGE:0,REPEAT:1,MIRRORED_REPEAT:2},I={NEAREST:0,LINEAR:1,NEAREST_MIPMAP_NEAREST:2,NEAREST_MIPMAP_LINEAR:3,LINEAR_MIPMAP_NEAREST:4,LINEAR_MIPMAP_LINEAR:5},hp={Wrap:aa,Filter:I},vp=new Float32Array(1),_2=new Int32Array(vp.buffer);function N2(t){vp[0]=t;const e=_2[0];let r=e>>16&32768,n=e>>12&2047;const a=e>>23&255;return a<103?r:a>142?(r|=31744,r|=(a===255?0:1)&&e&8388607,r):a<113?(n|=2048,r|=(n>>114-a)+(n>>113-a&1),r):(r|=a-112<<10|n>>1,r+=n&1,r)}function B2(t){const e=(t&32768)>>15,r=(t&31744)>>10,n=t&1023;return r===0?(e?-1:1)*2**-14*(n/2**10):r===31?n?NaN:(e?-1:1)*(1/0):(e?-1:1)*2**(r-15)*(1+n/2**10)}var vt={fromHalf:B2,toHalf:N2};function k2(){try{const n=new Int16Array([0,32767]),a=[1,1],i=document.createElement("canvas");i.width=4,i.height=4;const s=i.getContext("webgl2");if(!s)return!1;const o=s.getExtension("EXT_texture_norm16");if(!o)return!1;const c=`#version 300 es
-    void main() {
-      gl_PointSize = ${4 .toFixed(1)};
-      gl_Position = vec4(0, 0, 0, 1);
-    }
-  `,f=`#version 300 es
-    precision highp float;
-    precision highp int;
-    precision highp sampler2D;
-
-    uniform sampler2D u_image;
-
-    out vec4 color;
-
-    void main() {
-        vec4 intColor = texture(u_image, gl_PointCoord.xy);
-        color = vec4(vec3(intColor.rrr), 1);
-    }
-    `,g=s.createShader(s.VERTEX_SHADER);if(s.shaderSource(g,c),s.compileShader(g),!s.getShaderParameter(g,s.COMPILE_STATUS))return!1;const u=s.createShader(s.FRAGMENT_SHADER);if(s.shaderSource(u,f),s.compileShader(u),!s.getShaderParameter(u,s.COMPILE_STATUS))return!1;const l=s.createProgram();if(s.attachShader(l,g),s.attachShader(l,u),s.linkProgram(l),!s.getProgramParameter(l,s.LINK_STATUS))return!1;const p=s.createTexture();s.bindTexture(s.TEXTURE_2D,p),s.texImage2D(s.TEXTURE_2D,0,o.R16_SNORM_EXT,2,1,0,s.RED,s.SHORT,n),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.LINEAR),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.LINEAR),s.useProgram(l),s.drawArrays(s.POINTS,0,1);const h=new Uint8Array(4);s.readPixels(a[0],a[1],1,1,s.RGBA,s.UNSIGNED_BYTE,h);const[v,y,T]=h,C=s.getExtension("WEBGL_lose_context");return C&&C.loseContext(),v===y&&y===T&&v!==0}catch{return!1}}var ys;function G2(){return ys===void 0&&(ys=k2()),ys}var{Wrap:Pt,Filter:Me}=hp,{VtkDataTypes:te}=j,{vtkDebugMacro:ds,vtkErrorMacro:mn,vtkWarningMacro:wf,requiredParam:re}=ke,{toHalf:U2}=vt;function b2(t,e){e.classHierarchy.push("vtkOpenGLTexture");function r(){return{internalFormat:e.internalFormat,format:e.format,openGLDataType:e.openGLDataType,width:e.width,height:e.height}}t.render=(h=null)=>{if(h?e._openGLRenderWindow=h:(e._openGLRenderer=t.getFirstAncestorOfType("vtkOpenGLRenderer"),e._openGLRenderWindow=e._openGLRenderer.getLastAncestorOfType("vtkOpenGLRenderWindow")),e.context=e._openGLRenderWindow.getContext(),e.renderable.getInterpolate()?(e.generateMipmap?t.setMinificationFilter(Me.LINEAR_MIPMAP_LINEAR):t.setMinificationFilter(Me.LINEAR),t.setMagnificationFilter(Me.LINEAR)):(t.setMinificationFilter(Me.NEAREST),t.setMagnificationFilter(Me.NEAREST)),e.renderable.getRepeat()&&(t.setWrapR(Pt.REPEAT),t.setWrapS(Pt.REPEAT),t.setWrapT(Pt.REPEAT)),e.renderable.getInputData()&&e.renderable.setImage(null),!e.handle||e.renderable.getMTime()>e.textureBuildTime.getMTime()){if(e.renderable.getImageBitmap()!==null&&(e.renderable.getInterpolate()&&(e.generateMipmap=!0,t.setMinificationFilter(Me.LINEAR_MIPMAP_LINEAR)),e.renderable.getImageBitmap()&&e.renderable.getImageLoaded()&&(t.create2DFromImageBitmap(e.renderable.getImageBitmap()),t.activate(),t.sendParameters(),e.textureBuildTime.modified())),e.renderable.getImage()!==null&&(e.renderable.getInterpolate()&&(e.generateMipmap=!0,t.setMinificationFilter(Me.LINEAR_MIPMAP_LINEAR)),e.renderable.getImage()&&e.renderable.getImageLoaded()&&(t.create2DFromImage(e.renderable.getImage()),t.activate(),t.sendParameters(),e.textureBuildTime.modified())),e.renderable.getCanvas()!==null){e.renderable.getInterpolate()&&(e.generateMipmap=!0,t.setMinificationFilter(Me.LINEAR_MIPMAP_LINEAR));const y=e.renderable.getCanvas();t.create2DFromRaw({width:y.width,height:y.height,numComps:4,dataType:te.UNSIGNED_CHAR,data:y,flip:!0}),t.activate(),t.sendParameters(),e.textureBuildTime.modified()}if(e.renderable.getJsImageData()!==null){const y=e.renderable.getJsImageData();e.renderable.getInterpolate()&&(e.generateMipmap=!0,t.setMinificationFilter(Me.LINEAR_MIPMAP_LINEAR)),t.create2DFromRaw({width:y.width,height:y.height,numComps:4,dataType:te.UNSIGNED_CHAR,data:y.data,flip:!0}),t.activate(),t.sendParameters(),e.textureBuildTime.modified()}const v=e.renderable.getInputData(0);if(v&&v.getPointData().getScalars()){const y=v.getExtent(),T=v.getPointData().getScalars(),C=[];for(let d=0;d<e.renderable.getNumberOfInputPorts();++d){const x=e.renderable.getInputData(d),w=x?x.getPointData().getScalars().getData():null;w&&C.push(w)}e.renderable.getInterpolate()&&T.getNumberOfComponents()===4&&(e.generateMipmap=!0,t.setMinificationFilter(Me.LINEAR_MIPMAP_LINEAR)),C.length%6===0?t.createCubeFromRaw({width:y[1]-y[0]+1,height:y[3]-y[2]+1,numComps:T.getNumberOfComponents(),dataType:T.getDataType(),data:C}):t.create2DFromRaw({width:y[1]-y[0]+1,height:y[3]-y[2]+1,numComps:T.getNumberOfComponents(),dataType:T.getDataType(),data:T.getData()}),t.activate(),t.sendParameters(),e.textureBuildTime.modified()}}e.handle&&t.activate()};const n=()=>{if(!((e.minificationFilter===Me.LINEAR||e.magnificationFilter===Me.LINEAR)&&!G2()))return e.oglNorm16Ext};t.destroyTexture=()=>{t.deactivate(),e.context&&e.handle&&e.context.deleteTexture(e.handle),e._prevTexParams=null,e.handle=0,e.numberOfDimensions=0,e.target=0,e.components=0,e.width=0,e.height=0,e.depth=0,t.resetFormatAndType()},t.createTexture=()=>{e.handle||(e.handle=e.context.createTexture(),e.target&&(e.context.bindTexture(e.target,e.handle),e.context.texParameteri(e.target,e.context.TEXTURE_MIN_FILTER,t.getOpenGLFilterMode(e.minificationFilter)),e.context.texParameteri(e.target,e.context.TEXTURE_MAG_FILTER,t.getOpenGLFilterMode(e.magnificationFilter)),e.context.texParameteri(e.target,e.context.TEXTURE_WRAP_S,t.getOpenGLWrapMode(e.wrapS)),e.context.texParameteri(e.target,e.context.TEXTURE_WRAP_T,t.getOpenGLWrapMode(e.wrapT)),e._openGLRenderWindow.getWebgl2()&&e.context.texParameteri(e.target,e.context.TEXTURE_WRAP_R,t.getOpenGLWrapMode(e.wrapR)),e.context.bindTexture(e.target,null)))},t.getTextureUnit=()=>e._openGLRenderWindow?e._openGLRenderWindow.getTextureUnitForTexture(t):-1,t.activate=()=>{e._openGLRenderWindow.activateTexture(t),t.bind()},t.deactivate=()=>{e._openGLRenderWindow&&e._openGLRenderWindow.deactivateTexture(t)},t.releaseGraphicsResources=h=>{h&&e.handle&&(h.activateTexture(t),h.deactivateTexture(t),e.context.deleteTexture(e.handle),e._prevTexParams=null,e.handle=0,e.numberOfDimensions=0,e.target=0,e.internalFormat=0,e.format=0,e.openGLDataType=0,e.components=0,e.width=0,e.height=0,e.depth=0,e.allocatedGPUMemoryInBytes=0),e.shaderProgram&&(e.shaderProgram.releaseGraphicsResources(h),e.shaderProgram=null)},t.bind=()=>{e.context.bindTexture(e.target,e.handle),e.autoParameters&&t.getMTime()>e.sendParametersTime.getMTime()&&t.sendParameters()},t.isBound=()=>{let h=!1;if(e.context&&e.handle){let v=0;e.target===e.context.TEXTURE_2D?v=e.context.TEXTURE_BINDING_2D:wf("impossible case"),h=e.context.getIntegerv(v)===e.handle}return h},t.sendParameters=()=>{e.context.texParameteri(e.target,e.context.TEXTURE_WRAP_S,t.getOpenGLWrapMode(e.wrapS)),e.context.texParameteri(e.target,e.context.TEXTURE_WRAP_T,t.getOpenGLWrapMode(e.wrapT)),e._openGLRenderWindow.getWebgl2()&&e.context.texParameteri(e.target,e.context.TEXTURE_WRAP_R,t.getOpenGLWrapMode(e.wrapR)),e.context.texParameteri(e.target,e.context.TEXTURE_MIN_FILTER,t.getOpenGLFilterMode(e.minificationFilter)),e.context.texParameteri(e.target,e.context.TEXTURE_MAG_FILTER,t.getOpenGLFilterMode(e.magnificationFilter)),e._openGLRenderWindow.getWebgl2()&&(e.context.texParameteri(e.target,e.context.TEXTURE_BASE_LEVEL,e.baseLevel),e.context.texParameteri(e.target,e.context.TEXTURE_MAX_LEVEL,e.maxLevel)),e.sendParametersTime.modified()},t.getInternalFormat=(h,v)=>(e._forceInternalFormat||(e.internalFormat=t.getDefaultInternalFormat(h,v)),e.internalFormat||ds(`Unable to find suitable internal format for T=${h} NC= ${v}`),[e.context.R32F,e.context.RG32F,e.context.RGB32F,e.context.RGBA32F].includes(e.internalFormat)&&!e.context.getExtension("OES_texture_float_linear")&&wf("Failed to load OES_texture_float_linear. Texture filtering is not available for *32F internal formats."),e.internalFormat),t.getDefaultInternalFormat=(h,v)=>{let y=0;return y=e._openGLRenderWindow.getDefaultTextureInternalFormat(h,v,n(),t.useHalfFloat()),y||(y||(ds("Unsupported internal texture type!"),ds(`Unable to find suitable internal format for T=${h} NC= ${v}`)),y)},t.useHalfFloat=()=>e.enableUseHalfFloat&&e.canUseHalfFloat,t.setInternalFormat=h=>{e._forceInternalFormat=!0,h!==e.internalFormat&&(e.internalFormat=h,t.modified())},t.getFormat=(h,v)=>(e.format=t.getDefaultFormat(h,v),e.format),t.getDefaultFormat=(h,v)=>{if(e._openGLRenderWindow.getWebgl2())switch(v){case 1:return e.context.RED;case 2:return e.context.RG;case 3:return e.context.RGB;case 4:return e.context.RGBA;default:return e.context.RGB}else switch(v){case 1:return e.context.LUMINANCE;case 2:return e.context.LUMINANCE_ALPHA;case 3:return e.context.RGB;case 4:return e.context.RGBA;default:return e.context.RGB}},t.resetFormatAndType=()=>{e._prevTexParams=null,e.format=0,e.internalFormat=0,e._forceInternalFormat=!1,e.openGLDataType=0},t.getDefaultDataType=h=>{const v=t.useHalfFloat();if(e._openGLRenderWindow.getWebgl2())switch(h){case te.UNSIGNED_CHAR:return e.context.UNSIGNED_BYTE;case(n()&&!v&&te.SHORT):return e.context.SHORT;case(n()&&!v&&te.UNSIGNED_SHORT):return e.context.UNSIGNED_SHORT;case(v&&te.SHORT):return e.context.HALF_FLOAT;case(v&&te.UNSIGNED_SHORT):return e.context.HALF_FLOAT;case te.FLOAT:case te.VOID:default:return e.context.FLOAT}switch(h){case te.UNSIGNED_CHAR:return e.context.UNSIGNED_BYTE;case te.FLOAT:case te.VOID:default:if(e.context.getExtension("OES_texture_float")&&e.context.getExtension("OES_texture_float_linear"))return e.context.FLOAT;{const y=e.context.getExtension("OES_texture_half_float");if(y&&e.context.getExtension("OES_texture_half_float_linear"))return y.HALF_FLOAT_OES}return e.context.UNSIGNED_BYTE}},t.getOpenGLDataType=(h,v=!1)=>((!e.openGLDataType||v)&&(e.openGLDataType=t.getDefaultDataType(h)),e.openGLDataType),t.getShiftAndScale=()=>{let h=0,v=1;switch(e.openGLDataType){case e.context.BYTE:v=127.5,h=v-128;break;case e.context.UNSIGNED_BYTE:v=255,h=0;break;case e.context.SHORT:v=32767.5,h=v-32768;break;case e.context.UNSIGNED_SHORT:v=65536,h=0;break;case e.context.INT:v=21474836475e-1,h=v-2147483648;break;case e.context.UNSIGNED_INT:v=4294967295,h=0;break;case e.context.FLOAT:default:break}return{shift:h,scale:v}},t.getOpenGLFilterMode=h=>{switch(h){case Me.NEAREST:return e.context.NEAREST;case Me.LINEAR:return e.context.LINEAR;case Me.NEAREST_MIPMAP_NEAREST:return e.context.NEAREST_MIPMAP_NEAREST;case Me.NEAREST_MIPMAP_LINEAR:return e.context.NEAREST_MIPMAP_LINEAR;case Me.LINEAR_MIPMAP_NEAREST:return e.context.LINEAR_MIPMAP_NEAREST;case Me.LINEAR_MIPMAP_LINEAR:return e.context.LINEAR_MIPMAP_LINEAR;default:return 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e._openGLRenderWindow?e.resizable||e.renderable?.getResizable()?!1:e._openGLRenderWindow.getWebgl2()?!(e._openGLRenderWindow.getGLInformations().RENDERER.value.match(/WebKit/gi)&&navigator.platform.match(/Mac/gi)&&n()&&(h===te.UNSIGNED_SHORT||h===te.SHORT)):!1:!1}t.create2DFromRaw=({width:h=re("width"),height:v=re("height"),numComps:y=re("numComps"),dataType:T=re("dataType"),data:C=re("data"),flip:d=!1}={})=>{if(t.getOpenGLDataType(T,!0),t.getInternalFormat(T,y),t.getFormat(T,y),!e.internalFormat||!e.format||!e.openGLDataType)return mn("Failed to determine texture parameters."),!1;e.target=e.context.TEXTURE_2D,e.components=y,e.width=h,e.height=v,e.depth=1,e.numberOfDimensions=2,e._openGLRenderWindow.activateTexture(t),t.createTexture(),t.bind();const x=[C],w=c(t.updateArrayDataTypeForGL(T,x));return e.context.pixelStorei(e.context.UNPACK_FLIP_Y_WEBGL,d),e.context.pixelStorei(e.context.UNPACK_ALIGNMENT,1),f(T)?(e.context.texStorage2D(e.target,1,e.internalFormat,e.width,e.height),w[0]!=null&&e.context.texSubImage2D(e.target,0,0,0,e.width,e.height,e.format,e.openGLDataType,w[0])):e.context.texImage2D(e.target,0,e.internalFormat,e.width,e.height,0,e.format,e.openGLDataType,w[0]),e.generateMipmap&&e.context.generateMipmap(e.target),d&&e.context.pixelStorei(e.context.UNPACK_FLIP_Y_WEBGL,!1),e.allocatedGPUMemoryInBytes=e.width*e.height*e.depth*y*e._openGLRenderWindow.getDefaultTextureByteSize(T,n(),t.useHalfFloat()),t.deactivate(),!0},t.createCubeFromRaw=({width:h=re("width"),height:v=re("height"),numComps:y=re("numComps"),dataType:T=re("dataType"),data:C=re("data")}={})=>{if(t.getOpenGLDataType(T),t.getInternalFormat(T,y),t.getFormat(T,y),!e.internalFormat||!e.format||!e.openGLDataType)return mn("Failed to determine texture 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e.allocatedGPUMemoryInBytes=e.width*e.height*e.depth*y*e._openGLRenderWindow.getDefaultTextureByteSize(T,n(),t.useHalfFloat()),t.deactivate(),!0},t.createDepthFromRaw=({width:h=re("width"),height:v=re("height"),dataType:y=re("dataType"),data:T=re("data")}={})=>(t.getOpenGLDataType(y),e.format=e.context.DEPTH_COMPONENT,e._openGLRenderWindow.getWebgl2()?y===te.FLOAT?e.internalFormat=e.context.DEPTH_COMPONENT32F:e.internalFormat=e.context.DEPTH_COMPONENT16:e.internalFormat=e.context.DEPTH_COMPONENT,!e.internalFormat||!e.format||!e.openGLDataType?(mn("Failed to determine texture 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parameters."),!1;e.target=e.context.TEXTURE_2D,e.components=4,e.depth=1,e.numberOfDimensions=2,e._openGLRenderWindow.activateTexture(t),t.createTexture(),t.bind();const v=!e._openGLRenderWindow.getWebgl2()&&(!Ur(h.width)||!Ur(h.height));let y=h,T=h.width,C=h.height,d=!0;const x=window.chrome;if(v||x){const w=new OffscreenCanvas(ot(h.width),ot(h.height));T=w.width,C=w.height;const S=w.getContext("2d");S.translate(0,w.height),S.scale(1,-1),S.drawImage(h,0,0,h.width,h.height,0,0,w.width,w.height),y=w,d=!1}return e.width=T,e.height=C,e.context.pixelStorei(e.context.UNPACK_FLIP_Y_WEBGL,d),e.context.pixelStorei(e.context.UNPACK_ALIGNMENT,1),f(te.UNSIGNED_CHAR)?(e.context.texStorage2D(e.target,1,e.internalFormat,e.width,e.height),e.context.texSubImage2D(e.target,0,0,0,e.width,e.height,e.format,e.openGLDataType,y)):e.context.texImage2D(e.target,0,e.internalFormat,e.width,e.height,0,e.format,e.openGLDataType,y),e.generateMipmap&&e.context.generateMipmap(e.target),e.allocatedGPUMemoryInBytes=e.width*e.height*e.depth*e.components*e._openGLRenderWindow.getDefaultTextureByteSize(te.UNSIGNED_CHAR,n(),t.useHalfFloat()),t.deactivate(),!0},t.create2DFromImageBitmap=h=>(t.getOpenGLDataType(te.UNSIGNED_CHAR),t.getInternalFormat(te.UNSIGNED_CHAR,4),t.getFormat(te.UNSIGNED_CHAR,4),!e.internalFormat||!e.format||!e.openGLDataType?(mn("Failed to determine texture 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T=h[y],C=v[y]+T;if(T<-2048||T>2048||C<-2048||C>2048)return!1}return!0}function l(h,v,y,T){t.getOpenGLDataType(h);const C=u(v,y)||T;let d=!1;if(e._openGLRenderWindow.getWebgl2())d=e.openGLDataType===e.context.FLOAT&&e.context.getExtension("OES_texture_float_linear")===null&&C||e.openGLDataType===e.context.HALF_FLOAT;else{const x=e.context.getExtension("OES_texture_half_float");d=x&&e.openGLDataType===x.HALF_FLOAT_OES}e.canUseHalfFloat=d&&C}function p(h,v){const y=h.getNumberOfComponents(),T=h.getDataType(),C=h.getData(),d=new Array(y),x=new Array(y);for(let S=0;S<y;++S){const[M,E]=h.getRange(S);d[S]=M,x[S]=E}const w=g(d,x,y);return l(T,w.offset,w.scale,v),t.useHalfFloat()||t.getOpenGLDataType(T,!0),{numComps:y,dataType:T,data:C,scaleOffsets:w}}t.create2DFilterableFromRaw=({width:h=re("width"),height:v=re("height"),numComps:y=re("numComps"),dataType:T=re("dataType"),data:C=re("data"),preferSizeOverAccuracy:d=!1,ranges:x=void 0}={})=>t.create2DFilterableFromDataArray({width:h,height:v,dataArray:j.newInstance({numberOfComponents:y,dataType:T,values:C,ranges:x}),preferSizeOverAccuracy:d}),t.create2DFilterableFromDataArray=({width:h=re("width"),height:v=re("height"),dataArray:y=re("dataArray"),preferSizeOverAccuracy:T=!1}={})=>{const{numComps:C,dataType:d,data:x}=p(y,T);t.create2DFromRaw({width:h,height:v,numComps:C,dataType:d,data:x})},t.updateVolumeInfoForGL=(h,v)=>{let y=!1;const T=t.useHalfFloat();(!e.volumeInfo?.scale||!e.volumeInfo?.offset)&&(e.volumeInfo={scale:new Array(v),offset:new Array(v)});for(let C=0;C<v;++C)e.volumeInfo.scale[C]=1,e.volumeInfo.offset[C]=0;if(n()&&!T&&h===te.SHORT){for(let C=0;C<v;++C)e.volumeInfo.scale[C]=32767;y=!0}if(n()&&!T&&h===te.UNSIGNED_SHORT){for(let C=0;C<v;++C)e.volumeInfo.scale[C]=65535;y=!0}if(h===te.UNSIGNED_CHAR){for(let C=0;C<v;++C)e.volumeInfo.scale[C]=255;y=!0}return(h===te.FLOAT||T&&(h===te.SHORT||h===te.UNSIGNED_SHORT))&&(y=!0),y},t.create3DFromRaw=({width:h=re("width"),height:v=re("height"),depth:y=re("depth"),numComps:T=re("numComps"),dataType:C=re("dataType"),data:d=re("data"),updatedExtents:x=[]}={})=>{let w=C,S=d;if(!t.updateVolumeInfoForGL(w,T)&&S){const D=h*v*y,m=structuredClone(e.volumeInfo),F=new Float32Array(D*T);e.volumeInfo.offset=m.offset,e.volumeInfo.scale=m.scale;let V=0;const N=m.scale.map(B=>1/B);for(let B=0;B<D;B++)for(let G=0;G<T;G++)F[V]=(S[V]-m.offset[G])*N[G],V++;w=te.FLOAT,S=F}if(t.getOpenGLDataType(w),t.getInternalFormat(w,T),t.getFormat(w,T),!e.internalFormat||!e.format||!e.openGLDataType)return mn("Failed to determine texture parameters."),!1;e.target=e.context.TEXTURE_3D,e.components=T,e.width=h,e.height=v,e.depth=y,e.numberOfDimensions=3,e._openGLRenderWindow.activateTexture(t),t.createTexture(),t.bind();const M=x.length>0,E=!M||!(0,xo.default)(e._prevTexParams,r()),R=[S],L=c(t.updateArrayDataTypeForGL(w,R,!0,E?[]:x));if(e.context.pixelStorei(e.context.UNPACK_ALIGNMENT,1),E)f(w)?(e.context.texStorage3D(e.target,1,e.internalFormat,e.width,e.height,e.depth),L[0]!=null&&e.context.texSubImage3D(e.target,0,0,0,0,e.width,e.height,e.depth,e.format,e.openGLDataType,L[0])):e.context.texImage3D(e.target,0,e.internalFormat,e.width,e.height,e.depth,0,e.format,e.openGLDataType,L[0]),e._prevTexParams=r();else if(M){const D=L[0];let m=0;for(let F=0;F<x.length;F++){const V=x[F],N=a(V),B=i(V),G=new D.constructor(D.buffer,m,B);m+=G.byteLength,e.context.texSubImage3D(e.target,0,V[0],V[2],V[4],N[0],N[1],N[2],e.format,e.openGLDataType,G)}}return e.generateMipmap&&e.context.generateMipmap(e.target),e.allocatedGPUMemoryInBytes=e.width*e.height*e.depth*e.components*e._openGLRenderWindow.getDefaultTextureByteSize(w,n(),t.useHalfFloat()),t.deactivate(),!0},t.create3DFilterableFromRaw=({width:h=re("width"),height:v=re("height"),depth:y=re("depth"),numComps:T=re("numComps"),dataType:C=re("dataType"),data:d=re("data"),preferSizeOverAccuracy:x=!1,ranges:w=void 0,updatedExtents:S=[]}={})=>t.create3DFilterableFromDataArray({width:h,height:v,depth:y,dataArray:j.newInstance({numberOfComponents:T,dataType:C,values:d,ranges:w}),preferSizeOverAccuracy:x,updatedExtents:S}),t.create3DFilterableFromDataArray=({width:h=re("width"),height:v=re("height"),depth:y=re("depth"),dataArray:T=re("dataArray"),preferSizeOverAccuracy:C=!1,updatedExtents:d=[]}={})=>{const{numComps:x,dataType:w,data:S,scaleOffsets:M}=p(T,C),E=[],R=[];for(let q=0;q<x;++q)E[q]=0,R[q]=1;if(e.volumeInfo={scale:R,offset:E,dataComputedScale:M.scale,dataComputedOffset:M.offset,width:h,height:v,depth:y},e._openGLRenderWindow.getWebgl2())return t.create3DFromRaw({width:h,height:v,depth:y,numComps:x,dataType:w,data:S,updatedExtents:d});const L=h*v*y,D=structuredClone(M);let m=(q,oe,A,H,le)=>{q[oe]=A},F=te.UNSIGNED_CHAR;if(w===te.UNSIGNED_CHAR)for(let q=0;q<x;++q)D.offset[q]=0,D.scale[q]=255;else e.context.getExtension("OES_texture_float")&&e.context.getExtension("OES_texture_float_linear")?(F=te.FLOAT,m=(q,oe,A,H,le)=>{q[oe]=(A-H)/le}):(F=te.UNSIGNED_CHAR,m=(q,oe,A,H,le)=>{q[oe]=255*(A-H)/le});if(t.getOpenGLDataType(F),t.getInternalFormat(F,x),t.getFormat(F,x),!e.internalFormat||!e.format||!e.openGLDataType)return mn("Failed to determine texture parameters."),!1;e.target=e.context.TEXTURE_2D,e.components=x,e.depth=1,e.numberOfDimensions=2;let V=e.context.getParameter(e.context.MAX_TEXTURE_SIZE);V>4096&&(F===te.FLOAT||x>=3)&&(V=4096);let N=1,B=1;L>V*V&&(N=Math.ceil(Math.sqrt(L/(V*V))),B=N);let G=Math.sqrt(L)/N;G=ot(G);const U=Math.floor(G*N/h),_=Math.ceil(y/U),b=ot(v*_/B);e.width=G,e.height=b,e._openGLRenderWindow.activateTexture(t),t.createTexture(),t.bind(),e.volumeInfo.xreps=U,e.volumeInfo.yreps=_,e.volumeInfo.xstride=N,e.volumeInfo.ystride=B,e.volumeInfo.offset=D.offset,e.volumeInfo.scale=D.scale;let $;const W=G*b*x;F===te.FLOAT?$=new Float32Array(W):$=new Uint8Array(W);let z=0;const ae=Math.floor(h/N),ee=Math.floor(v/B);for(let q=0;q<_;q++){const oe=Math.min(U,y-q*U),A=x*(e.width-oe*Math.floor(h/N));for(let H=0;H<ee;H++){for(let le=0;le<oe;le++){const Er=x*((q*U+le)*h*v+B*H*h);for(let wn=0;wn<ae;wn++)for(let Qe=0;Qe<x;Qe++)m($,z,S[Er+N*wn*x+Qe],D.offset[Qe],D.scale[Qe]),z++}z+=A}}return e.context.pixelStorei(e.context.UNPACK_ALIGNMENT,1),f(F)?(e.context.texStorage2D(e.target,1,e.internalFormat,e.width,e.height),$!=null&&e.context.texSubImage2D(e.target,0,0,0,e.width,e.height,e.format,e.openGLDataType,$)):e.context.texImage2D(e.target,0,e.internalFormat,e.width,e.height,0,e.format,e.openGLDataType,$),t.deactivate(),!0},t.setOpenGLRenderWindow=h=>{e._openGLRenderWindow!==h&&(t.releaseGraphicsResources(),e._openGLRenderWindow=h,e.context=null,h&&(e.context=e._openGLRenderWindow.getContext()))},t.getMaximumTextureSize=h=>h&&h.isCurrent()?h.getIntegerv(h.MAX_TEXTURE_SIZE):-1,t.enableUseHalfFloat=h=>{e.enableUseHalfFloat=h}}var $2={_openGLRenderWindow:null,_forceInternalFormat:!1,_prevTexParams:null,context:null,handle:0,sendParametersTime:null,textureBuildTime:null,numberOfDimensions:0,target:0,format:0,openGLDataType:0,components:0,width:0,height:0,depth:0,autoParameters:!0,wrapS:Pt.CLAMP_TO_EDGE,wrapT:Pt.CLAMP_TO_EDGE,wrapR:Pt.CLAMP_TO_EDGE,minificationFilter:Me.NEAREST,magnificationFilter:Me.NEAREST,minLOD:-1e3,maxLOD:1e3,baseLevel:0,maxLevel:1e3,generateMipmap:!1,oglNorm16Ext:null,allocatedGPUMemoryInBytes:0,enableUseHalfFloat:!0,canUseHalfFloat:!1};function Tp(t,e,r={}){Object.assign(e,$2,r),Fe.extend(t,e,r),e.sendParametersTime={},ye(e.sendParametersTime,{mtime:0}),e.textureBuildTime={},ye(e.textureBuildTime,{mtime:0}),ca(t,e,["format","openGLDataType"]),Ce(t,e,["keyMatrixTime","minificationFilter","magnificationFilter","wrapS","wrapT","wrapR","generateMipmap","oglNorm16Ext"]),We(t,e,["width","height","volumeInfo","components","handle","target","allocatedGPUMemoryInBytes"]),ua(t,e,["openGLRenderWindow"]),b2(t,e)}var yp=ce(Tp,"vtkOpenGLTexture"),Q={newInstance:yp,extend:Tp,...hp};Oe("vtkTexture",yp);var nc=`//VTK::System::Dec
-
-/*=========================================================================
-
-  Program:   Visualization Toolkit
-  Module:    vtkPolyDataVS.glsl
-
-  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-  All rights reserved.
-  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notice for more information.
-
-=========================================================================*/
-
-attribute vec4 vertexMC;
-
-// frag position in VC
-//VTK::PositionVC::Dec
-
-// optional normal declaration
-//VTK::Normal::Dec
-
-// extra lighting parameters
-//VTK::Light::Dec
-
-// Texture coordinates
-//VTK::TCoord::Dec
-
-// material property values
-//VTK::Color::Dec
-
-// clipping plane vars
-//VTK::Clip::Dec
-
-// camera and actor matrix values
-//VTK::Camera::Dec
-
-// Apple Bug
-//VTK::PrimID::Dec
-
-// picking support
-//VTK::Picking::Dec
-
-void main()
-{
-  //VTK::Color::Impl
-
-  //VTK::Normal::Impl
-
-  //VTK::TCoord::Impl
-
-  //VTK::Clip::Impl
-
-  //VTK::PrimID::Impl
-
-  //VTK::PositionVC::Impl
-
-  //VTK::Light::Impl
-
-  //VTK::Picking::Impl
-}
-`,Ta=`//VTK::System::Dec
-
-/*=========================================================================
-
-  Program:   Visualization Toolkit
-  Module:    vtkPolyDataFS.glsl
-
-  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-  All rights reserved.
-  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notice for more information.
-
-=========================================================================*/
-// Template for the polydata mappers fragment shader
-
-uniform int PrimitiveIDOffset;
-
-// VC position of this fragment
-//VTK::PositionVC::Dec
-
-// optional color passed in from the vertex shader, vertexColor
-//VTK::Color::Dec
-
-// optional surface normal declaration
-//VTK::Normal::Dec
-
-// extra lighting parameters
-//VTK::Light::Dec
-
-// define vtkImageLabelOutlineOn
-//VTK::ImageLabelOutlineOn
-
-// Texture coordinates
-//VTK::TCoord::Dec
-
-// picking support
-//VTK::Picking::Dec
-
-// Depth Peeling Support
-//VTK::DepthPeeling::Dec
-
-// clipping plane vars
-//VTK::Clip::Dec
-
-// label outline 
-//VTK::LabelOutline::Dec
-
-// the output of this shader
-//VTK::Output::Dec
-
-// Apple Bug
-//VTK::PrimID::Dec
-
-// handle coincident offsets
-//VTK::Coincident::Dec
-
-//VTK::ZBuffer::Dec
-
-//VTK::LabelOutlineHelperFunction
-
-void main()
-{
-  // VC position of this fragment. This should not branch/return/discard.
-  //VTK::PositionVC::Impl
-
-  // Place any calls that require uniform flow (e.g. dFdx) here.
-  //VTK::UniformFlow::Impl
-
-  // Set gl_FragDepth here (gl_FragCoord.z by default)
-  //VTK::Depth::Impl
-
-  // Early depth peeling abort:
-  //VTK::DepthPeeling::PreColor
-
-  // Apple Bug
-  //VTK::PrimID::Impl
-
-  //VTK::Clip::Impl
-
-  //VTK::Color::Impl
-
-  // Generate the normal if we are not passed in one
-  //VTK::Normal::Impl
-
-  //VTK::TCoord::Impl
-
-  //VTK::Light::Impl
-
-  if (gl_FragData[0].a <= 0.0)
-    {
-    discard;
-    }
-
-  //VTK::DepthPeeling::Impl
-
-  //VTK::Picking::Impl
-
-  // handle coincident offsets
-  //VTK::Coincident::Impl
-
-  //VTK::ZBuffer::Impl
-
-  //VTK::RenderPassFragmentShader::Impl
-}
-`;function z2(t,e,r={}){t.replaceShaderCoincidentOffset=(n,a,i)=>{const s=t.getCoincidentParameters(a,i);if(s&&(s.factor!==0||s.offset!==0)){let o=n.Fragment;o=k.substitute(o,"//VTK::Coincident::Dec",["uniform float cfactor;","uniform float coffset;"]).result,e.context.getExtension("EXT_frag_depth")&&(s.factor!==0?(o=k.substitute(o,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,o=k.substitute(o,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):o=k.substitute(o,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + 0.000016*coffset;").result),e._openGLRenderWindow.getWebgl2()&&(s.factor!==0?(o=k.substitute(o,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,o=k.substitute(o,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):o=k.substitute(o,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + 0.000016*coffset;").result),n.Fragment=o}}}function W2(t,e,r={}){t.applyShaderReplacements=(n,a,i)=>{let s=null;if(a&&(s=a.ShaderReplacements),s)for(let o=0;o<s.length;o++){const c=s[o];if(i&&c.replaceFirst||!i&&!c.replaceFirst){const f=c.shaderType,g=n[f];n[f]=k.substitute(g,c.originalValue,c.replacementValue,c.replaceAll).result}}},t.buildShaders=(n,a,i)=>{t.getReplacedShaderTemplate(n,a,i),e.lastRenderPassShaderReplacement=e.currentRenderPass?e.currentRenderPass.getShaderReplacement():null,e.lastRenderPassShaderReplacement&&e.lastRenderPassShaderReplacement(n);const s=e.renderable.getViewSpecificProperties().OpenGL;t.applyShaderReplacements(n,s,!0),t.replaceShaderValues(n,a,i),t.applyShaderReplacements(n,s)},t.getReplacedShaderTemplate=(n,a,i)=>{const s=e.renderable.getViewSpecificProperties().OpenGL;t.getShaderTemplate(n,a,i);let o=n.Vertex;if(s){const g=s.VertexShaderCode;g!==void 0&&g!==""&&(o=g)}n.Vertex=o;let c=n.Fragment;if(s){const g=s.FragmentShaderCode;g!==void 0&&g!==""&&(c=g)}n.Fragment=c;let f=n.Geometry;if(s){const g=s.GeometryShaderCode;g!==void 0&&(f=g)}n.Geometry=f}}var $t={implementReplaceShaderCoincidentOffset:z2,implementBuildShadersWithReplacements:W2},{FieldAssociations:Cs}=Jn,{primTypes:me}=ft,{Representation:Dn,Shading:Of}=tn,{ScalarMode:ka}=Cn,{Filter:Ef,Wrap:Rf}=Q,{vtkErrorMacro:Vn}=ke,A2={type:"StartEvent"},I2={type:"EndEvent"},{CoordinateSystem:H2}=ll;function j2(t){const e=t.getSelector();return e?e.getCurrentPass():je.MIN_KNOWN_PASS-1}function P2(t,e){e.classHierarchy.push("vtkOpenGLPolyDataMapper"),t.buildPass=n=>{n&&(e.currentRenderPass=null,e.openGLActor=t.getFirstAncestorOfType("vtkOpenGLActor"),e._openGLRenderer=e.openGLActor.getFirstAncestorOfType("vtkOpenGLRenderer"),e._openGLRenderWindow=e._openGLRenderer.getLastAncestorOfType("vtkOpenGLRenderWindow"),e.openGLCamera=e._openGLRenderer.getViewNodeFor(e._openGLRenderer.getRenderable().getActiveCamera(),e.openGLCamera))},t.translucentPass=(n,a)=>{n&&(e.currentRenderPass=a,t.render())},t.zBufferPass=n=>{n&&(e.haveSeenDepthRequest=!0,e.renderDepth=!0,t.render(),e.renderDepth=!1)},t.opaqueZBufferPass=n=>t.zBufferPass(n),t.opaquePass=n=>{n&&t.render()},t.render=()=>{const n=e._openGLRenderWindow.getContext();if(e.context!==n){e.context=n;for(let s=me.Start;s<me.End;s++)e.primitives[s].setOpenGLRenderWindow(e._openGLRenderWindow)}const a=e.openGLActor.getRenderable(),i=e._openGLRenderer.getRenderable();t.renderPiece(i,a)},t.getShaderTemplate=(n,a,i)=>{n.Vertex=nc,n.Fragment=Ta,n.Geometry=""},t.replaceShaderColor=(n,a,i)=>{let s=n.Vertex,o=n.Geometry,c=n.Fragment;const f=e.lastBoundBO.getReferenceByName("lastLightComplexity");let g=["uniform float ambient;","uniform float diffuse;","uniform float specular;","uniform float opacityUniform; // the fragment opacity","uniform vec3 ambientColorUniform;","uniform vec3 diffuseColorUniform;"];f&&(g=g.concat(["uniform vec3 specularColorUniform;","uniform float specularPowerUniform;"]));let u=["vec3 ambientColor;","  vec3 diffuseColor;","  float opacity;"];f&&(u=u.concat(["  vec3 specularColor;","  float specularPower;"])),u=u.concat(["  ambientColor = ambientColorUniform;","  diffuseColor = diffuseColorUniform;","  opacity = opacityUniform;"]),f&&(u=u.concat(["  specularColor = specularColorUniform;","  specularPower = specularPowerUniform;"])),e.lastBoundBO.getCABO().getColorComponents()!==0&&!e.drawingEdges&&(g=g.concat(["varying vec4 vertexColorVSOutput;"]),s=k.substitute(s,"//VTK::Color::Dec",["attribute vec4 scalarColor;","varying vec4 vertexColorVSOutput;"]).result,s=k.substitute(s,"//VTK::Color::Impl",["vertexColorVSOutput =  scalarColor;"]).result,o=k.substitute(o,"//VTK::Color::Dec",["in vec4 vertexColorVSOutput[];","out vec4 vertexColorGSOutput;"]).result,o=k.substitute(o,"//VTK::Color::Impl",["vertexColorGSOutput = vertexColorVSOutput[i];"]).result),e.lastBoundBO.getCABO().getColorComponents()!==0&&!e.drawingEdges?c=k.substitute(c,"//VTK::Color::Impl",u.concat(["  diffuseColor = vertexColorVSOutput.rgb;","  ambientColor = vertexColorVSOutput.rgb;","  opacity = opacity*vertexColorVSOutput.a;"])).result:(e.renderable.getAreScalarsMappedFromCells()||e.renderable.getInterpolateScalarsBeforeMapping())&&e.renderable.getColorCoordinates()&&!e.drawingEdges?c=k.substitute(c,"//VTK::Color::Impl",u.concat(["  vec4 texColor = texture2D(texture1, tcoordVCVSOutput.st);","  diffuseColor = texColor.rgb;","  ambientColor = texColor.rgb;","  opacity = opacity*texColor.a;"])).result:(i.getBackfaceProperty()&&!e.drawingEdges&&(g=g.concat(["uniform float opacityUniformBF; // the fragment opacity","uniform float ambientIntensityBF; // the material ambient","uniform float diffuseIntensityBF; // the material diffuse","uniform vec3 ambientColorUniformBF; // ambient material color","uniform vec3 diffuseColorUniformBF; // diffuse material color"]),f?(g=g.concat(["uniform float specularIntensityBF; // the material specular intensity","uniform vec3 specularColorUniformBF; // intensity weighted color","uniform float specularPowerUniformBF;"]),u=u.concat(["if (gl_FrontFacing == false) {","  ambientColor = ambientIntensityBF * ambientColorUniformBF;","  diffuseColor = diffuseIntensityBF * diffuseColorUniformBF;","  specularColor = specularIntensityBF * specularColorUniformBF;","  specularPower = specularPowerUniformBF;","  opacity = opacityUniformBF; }"])):u=u.concat(["if (gl_FrontFacing == false) {","  ambientColor = ambientIntensityBF * ambientColorUniformBF;","  diffuseColor = diffuseIntensityBF * diffuseColorUniformBF;","  opacity = opacityUniformBF; }"])),e.haveCellScalars&&!e.drawingEdges&&(g=g.concat(["uniform samplerBuffer texture1;"])),c=k.substitute(c,"//VTK::Color::Impl",u).result),c=k.substitute(c,"//VTK::Color::Dec",g).result,n.Vertex=s,n.Geometry=o,n.Fragment=c},t.replaceShaderLight=(n,a,i)=>{let s=n.Fragment;const o="",c=e.lastBoundBO.getReferenceByName("lastLightComplexity"),f=e.lastBoundBO.getReferenceByName("lastLightCount");let g=[];switch(c){case 0:s=k.substitute(s,"//VTK::Light::Impl",["  gl_FragData[0] = vec4(ambientColor * ambient + diffuseColor * diffuse, opacity);","  //VTK::Light::Impl"],!1).result;break;case 1:s=k.substitute(s,"//VTK::Light::Impl",["  float df = max(0.0, normalVCVSOutput.z);","  float sf = pow(df, specularPower);","  vec3 diffuseL = df * diffuseColor;","  vec3 specularL = sf * specularColor;","  gl_FragData[0] = vec4(ambientColor * ambient + diffuseL * diffuse + specularL * specular, opacity);","  //VTK::Light::Impl"],!1).result;break;case 2:for(let u=0;u<f;++u)g=g.concat([`uniform vec3 lightColor${u};`,`uniform vec3 lightDirectionVC${u}; // normalized`,`uniform vec3 lightHalfAngleVC${u}; // normalized`]);s=k.substitute(s,"//VTK::Light::Dec",g).result,g=["vec3 diffuseL = vec3(0,0,0);","  vec3 specularL = vec3(0,0,0);","  float df;"];for(let u=0;u<f;++u)g=g.concat([`  df = max(0.0, dot(normalVCVSOutput, -lightDirectionVC${u}));`,`  diffuseL += ((df${o}) * lightColor${u});`,`  if (dot(normalVCVSOutput, lightDirectionVC${u}) < 0.0)`,"    {",`    float sf = sign(df)*pow(max(1e-5,
-                                              dot(reflect(lightDirectionVC${u},normalVCVSOutput),
-                                                  normalize(-vertexVC.xyz))),
-                                         specularPower);`,`    specularL += (sf${o} * lightColor${u});`,"    }"]);g=g.concat(["  diffuseL = diffuseL * diffuseColor;","  specularL = specularL * specularColor;","  gl_FragData[0] = vec4(ambientColor * ambient + diffuseL * diffuse + specularL * specular, opacity);","  //VTK::Light::Impl"]),s=k.substitute(s,"//VTK::Light::Impl",g,!1).result;break;case 3:for(let u=0;u<f;++u)g=g.concat([`uniform vec3 lightColor${u};`,`uniform vec3 lightDirectionVC${u}; // normalized`,`uniform vec3 lightHalfAngleVC${u}; // normalized`,`uniform vec3 lightPositionVC${u};`,`uniform vec3 lightAttenuation${u};`,`uniform float lightConeAngle${u};`,`uniform float lightExponent${u};`,`uniform int lightPositional${u};`]);s=k.substitute(s,"//VTK::Light::Dec",g).result,g=["vec3 diffuseL = vec3(0,0,0);","  vec3 specularL = vec3(0,0,0);","  vec3 vertLightDirectionVC;","  float attenuation;","  float df;"];for(let u=0;u<f;++u)g=g.concat(["  attenuation = 1.0;",`  if (lightPositional${u} == 0)`,"    {",`      vertLightDirectionVC = lightDirectionVC${u};`,"    }","  else","    {",`    vertLightDirectionVC = vertexVC.xyz - lightPositionVC${u};`,"    float distanceVC = length(vertLightDirectionVC);","    vertLightDirectionVC = normalize(vertLightDirectionVC);","    attenuation = 1.0 /",`      (lightAttenuation${u}.x`,`       + lightAttenuation${u}.y * distanceVC`,`       + lightAttenuation${u}.z * distanceVC * distanceVC);`,"    // per OpenGL standard cone angle is 90 or less for a spot light",`    if (lightConeAngle${u} <= 90.0)`,"      {",`      float coneDot = dot(vertLightDirectionVC, lightDirectionVC${u});`,"      // if inside the cone",`      if (coneDot >= cos(radians(lightConeAngle${u})))`,"        {",`        attenuation = attenuation * pow(coneDot, lightExponent${u});`,"        }","      else","        {","        attenuation = 0.0;","        }","      }","    }","    df = max(0.0, attenuation*dot(normalVCVSOutput, -vertLightDirectionVC));",`    diffuseL += ((df${o}) * lightColor${u});`,"    if (dot(normalVCVSOutput, vertLightDirectionVC) < 0.0)","      {",`      float sf = sign(df)*attenuation*pow(max(1e-5,
-                                                           dot(reflect(lightDirectionVC${u},
-                                                                       normalVCVSOutput),
-                                                               normalize(-vertexVC.xyz))),
-                                                       specularPower);`,`    specularL += ((sf${o}) * lightColor${u});`,"    }"]);g=g.concat(["  diffuseL = diffuseL * diffuseColor;","  specularL = specularL * specularColor;","  gl_FragData[0] = vec4(ambientColor * ambient + diffuseL * diffuse + specularL * specular, opacity);","  //VTK::Light::Impl"]),s=k.substitute(s,"//VTK::Light::Impl",g,!1).result;break;default:Vn("bad light complexity")}n.Fragment=s},t.replaceShaderNormal=(n,a,i)=>{if(e.lastBoundBO.getReferenceByName("lastLightComplexity")>0){let s=n.Vertex,o=n.Geometry,c=n.Fragment;e.lastBoundBO.getCABO().getNormalOffset()?(s=k.substitute(s,"//VTK::Normal::Dec",["attribute vec3 normalMC;","uniform mat3 normalMatrix;","varying vec3 normalVCVSOutput;"]).result,s=k.substitute(s,"//VTK::Normal::Impl",["normalVCVSOutput = normalMatrix * normalMC;"]).result,o=k.substitute(o,"//VTK::Normal::Dec",["in vec3 normalVCVSOutput[];","out vec3 normalVCGSOutput;"]).result,o=k.substitute(o,"//VTK::Normal::Impl",["normalVCGSOutput = normalVCVSOutput[i];"]).result,c=k.substitute(c,"//VTK::Normal::Dec",["varying vec3 normalVCVSOutput;"]).result,c=k.substitute(c,"//VTK::Normal::Impl",["vec3 normalVCVSOutput = normalize(normalVCVSOutput);","  if (gl_FrontFacing == false) { normalVCVSOutput = -normalVCVSOutput; }"]).result):e.haveCellNormals?(c=k.substitute(c,"//VTK::Normal::Dec",["uniform mat3 normalMatrix;","uniform samplerBuffer textureN;"]).result,c=k.substitute(c,"//VTK::Normal::Impl",["vec3 normalVCVSOutput = normalize(normalMatrix *","    texelFetchBuffer(textureN, gl_PrimitiveID + PrimitiveIDOffset).xyz);","  if (gl_FrontFacing == false) { normalVCVSOutput = -normalVCVSOutput; }"]).result):e.lastBoundBO.getOpenGLMode(i.getProperty().getRepresentation())===e.context.LINES?(c=k.substitute(c,"//VTK::UniformFlow::Impl",["  vec3 fdx = dFdx(vertexVC.xyz);","  vec3 fdy = dFdy(vertexVC.xyz);","  //VTK::UniformFlow::Impl"]).result,c=k.substitute(c,"//VTK::Normal::Impl",["vec3 normalVCVSOutput;","  if (abs(fdx.x) > 0.0)","    { fdx = normalize(fdx); normalVCVSOutput = normalize(cross(vec3(fdx.y, -fdx.x, 0.0), fdx)); }","  else { fdy = normalize(fdy); normalVCVSOutput = normalize(cross(vec3(fdy.y, -fdy.x, 0.0), fdy));}"]).result):(c=k.substitute(c,"//VTK::Normal::Dec",["uniform int cameraParallel;"]).result,c=k.substitute(c,"//VTK::UniformFlow::Impl",["  vec3 fdx = dFdx(vertexVC.xyz);","  vec3 fdy = dFdy(vertexVC.xyz);","  //VTK::UniformFlow::Impl"]).result,c=k.substitute(c,"//VTK::Normal::Impl",["  fdx = normalize(fdx);","  fdy = normalize(fdy);","  vec3 normalVCVSOutput = normalize(cross(fdx,fdy));","  if (cameraParallel == 1 && normalVCVSOutput.z < 0.0) { normalVCVSOutput = -1.0*normalVCVSOutput; }","  if (cameraParallel == 0 && dot(normalVCVSOutput,vertexVC.xyz) > 0.0) { normalVCVSOutput = -1.0*normalVCVSOutput; }"]).result),n.Vertex=s,n.Geometry=o,n.Fragment=c}},t.replaceShaderPositionVC=(n,a,i)=>{e.lastBoundBO.replaceShaderPositionVC(n,a,i);let s=n.Vertex,o=n.Geometry,c=n.Fragment;e.lastBoundBO.getReferenceByName("lastLightComplexity")>0?(s=k.substitute(s,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,s=k.substitute(s,"//VTK::PositionVC::Impl",["vertexVCVSOutput = MCVCMatrix * vertexMC;","  gl_Position = MCPCMatrix * vertexMC;"]).result,s=k.substitute(s,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result,o=k.substitute(o,"//VTK::PositionVC::Dec",["in vec4 vertexVCVSOutput[];","out vec4 vertexVCGSOutput;"]).result,o=k.substitute(o,"//VTK::PositionVC::Impl",["vertexVCGSOutput = vertexVCVSOutput[i];"]).result,c=k.substitute(c,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,c=k.substitute(c,"//VTK::PositionVC::Impl",["vec4 vertexVC = vertexVCVSOutput;"]).result):(s=k.substitute(s,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,s=k.substitute(s,"//VTK::PositionVC::Impl",["  gl_Position = MCPCMatrix * vertexMC;"]).result),n.Vertex=s,n.Geometry=o,n.Fragment=c},t.replaceShaderTCoord=(n,a,i)=>{if(e.lastBoundBO.getCABO().getTCoordOffset()){let s=n.Vertex,o=n.Geometry,c=n.Fragment;if(e.drawingEdges)return;s=k.substitute(s,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result;const f=e.openGLActor.getActiveTextures();let g=2,u=2;if(f&&f.length>0&&(g=f[0].getComponents(),f[0].getTarget()===e.context.TEXTURE_CUBE_MAP&&(u=3)),e.renderable.getColorTextureMap()&&(g=e.renderable.getColorTextureMap().getPointData().getScalars().getNumberOfComponents(),u=2),u===2){if(s=k.substitute(s,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result,o=k.substitute(o,"//VTK::TCoord::Dec",["in vec2 tcoordVCVSOutput[];","out vec2 tcoordVCGSOutput;"]).result,o=k.substitute(o,"//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];").result,c=k.substitute(c,"//VTK::TCoord::Dec",["varying vec2 tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,f&&f.length>=1)switch(g){case 1:c=k.substitute(c,"//VTK::TCoord::Impl",["  vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","  ambientColor = ambientColor*tcolor.r;","  diffuseColor = diffuseColor*tcolor.r;"]).result;break;case 2:c=k.substitute(c,"//VTK::TCoord::Impl",["  vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","  ambientColor = ambientColor*tcolor.r;","  diffuseColor = diffuseColor*tcolor.r;","  opacity = opacity * tcolor.g;"]).result;break;default:c=k.substitute(c,"//VTK::TCoord::Impl",["  vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","  ambientColor = ambientColor*tcolor.rgb;","  diffuseColor = diffuseColor*tcolor.rgb;","  opacity = opacity * tcolor.a;"]).result}}else switch(s=k.substitute(s,"//VTK::TCoord::Dec","attribute vec3 tcoordMC; varying vec3 tcoordVCVSOutput;").result,o=k.substitute(o,"//VTK::TCoord::Dec",["in vec3 tcoordVCVSOutput[];","out vec3 tcoordVCGSOutput;"]).result,o=k.substitute(o,"//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];").result,c=k.substitute(c,"//VTK::TCoord::Dec",["varying vec3 tcoordVCVSOutput;","uniform samplerCube texture1;"]).result,g){case 1:c=k.substitute(c,"//VTK::TCoord::Impl",["  vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);","  ambientColor = ambientColor*tcolor.r;","  diffuseColor = diffuseColor*tcolor.r;"]).result;break;case 2:c=k.substitute(c,"//VTK::TCoord::Impl",["  vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);","  ambientColor = ambientColor*tcolor.r;","  diffuseColor = diffuseColor*tcolor.r;","  opacity = opacity * tcolor.g;"]).result;break;default:c=k.substitute(c,"//VTK::TCoord::Impl",["  vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);","  ambientColor = ambientColor*tcolor.rgb;","  diffuseColor = diffuseColor*tcolor.rgb;","  opacity = opacity * tcolor.a;"]).result}n.Vertex=s,n.Geometry=o,n.Fragment=c}},t.replaceShaderClip=(n,a,i)=>{let s=n.Vertex,o=n.Fragment;if(e.renderable.getNumberOfClippingPlanes()){const c=e.renderable.getNumberOfClippingPlanes();s=k.substitute(s,"//VTK::Clip::Dec",["uniform int numClipPlanes;",`uniform vec4 clipPlanes[${c}];`,`varying float clipDistancesVSOutput[${c}];`]).result,s=k.substitute(s,"//VTK::Clip::Impl",[`for (int planeNum = 0; planeNum < ${c}; planeNum++)`,"    {","    if (planeNum >= numClipPlanes)","        {","        break;","        }","    clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);","    }"]).result,o=k.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;",`varying float clipDistancesVSOutput[${c}];`]).result,o=k.substitute(o,"//VTK::Clip::Impl",[`for (int planeNum = 0; planeNum < ${c}; planeNum++)`,"    {","    if (planeNum >= numClipPlanes)","        {","        break;","        }","    if (clipDistancesVSOutput[planeNum] < 0.0) discard;","    }"]).result}n.Vertex=s,n.Fragment=o},t.getCoincidentParameters=(n,a)=>{let i={factor:0,offset:0};const s=a.getProperty();if(e.renderable.getResolveCoincidentTopology()==Ct.PolygonOffset||s.getEdgeVisibility()&&s.getRepresentation()===Dn.SURFACE){const c=e.lastBoundBO.getPrimitiveType();c===me.Points||s.getRepresentation()===Dn.POINTS?i=e.renderable.getCoincidentTopologyPointOffsetParameter():c===me.Lines||s.getRepresentation()===Dn.WIREFRAME?i=e.renderable.getCoincidentTopologyLineOffsetParameters():(c===me.Tris||c===me.TriStrips)&&(i=e.renderable.getCoincidentTopologyPolygonOffsetParameters()),(c===me.TrisEdges||c===me.TriStripsEdges)&&(i=e.renderable.getCoincidentTopologyPolygonOffsetParameters(),i.factor/=2,i.offset/=2)}const o=e._openGLRenderer.getSelector();return o&&o.getFieldAssociation()===Cs.FIELD_ASSOCIATION_POINTS&&(i.offset-=2),i},t.replaceShaderPicking=(n,a,i)=>{let s=n.Fragment,o=n.Vertex;if(s=k.substitute(s,"//VTK::Picking::Dec",["uniform int picking;","//VTK::Picking::Dec"]).result,!!e._openGLRenderer.getSelector()){switch((e.lastSelectionState===je.ID_LOW24||e.lastSelectionState===je.ID_HIGH24)&&(o=k.substitute(o,"//VTK::Picking::Dec",[`flat out int vertexIDVSOutput;
-`,`uniform int VertexIDOffset;
-`]).result,o=k.substitute(o,"//VTK::Picking::Impl",`  vertexIDVSOutput = gl_VertexID + VertexIDOffset;
-`).result,s=k.substitute(s,"//VTK::Picking::Dec",`flat in int vertexIDVSOutput;
-`).result,s=k.substitute(s,"//VTK::Picking::Impl",["  int idx = vertexIDVSOutput;","//VTK::Picking::Impl"]).result),e.lastSelectionState){case je.ID_LOW24:s=k.substitute(s,"//VTK::Picking::Impl","  gl_FragData[0] = vec4(float(idx%256)/255.0, float((idx/256)%256)/255.0, float((idx/65536)%256)/255.0, 1.0);").result;break;case je.ID_HIGH24:s=k.substitute(s,"//VTK::Picking::Impl","  gl_FragData[0] = vec4(float((idx/16777216)%256)/255.0, 0.0, 0.0, 1.0);").result;break;default:s=k.substitute(s,"//VTK::Picking::Dec","uniform vec3 mapperIndex;").result,s=k.substitute(s,"//VTK::Picking::Impl","  gl_FragData[0] = picking != 0 ? vec4(mapperIndex,1.0) : gl_FragData[0];").result}n.Fragment=s,n.Vertex=o}},t.replaceShaderValues=(n,a,i)=>{if(t.replaceShaderColor(n,a,i),t.replaceShaderNormal(n,a,i),t.replaceShaderLight(n,a,i),t.replaceShaderTCoord(n,a,i),t.replaceShaderPicking(n,a,i),t.replaceShaderClip(n,a,i),t.replaceShaderCoincidentOffset(n,a,i),t.replaceShaderPositionVC(n,a,i),e.haveSeenDepthRequest){let s=n.Fragment;s=k.substitute(s,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,s=k.substitute(s,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=s}},t.getNeedToRebuildShaders=(n,a,i)=>{let s=0,o=0;const c=n.getPrimitiveType(),f=e.currentInput;let g=!1;const u=f.getPointData().getNormals(),l=f.getCellData().getNormals(),p=i.getProperty().getInterpolation()===Of.FLAT,h=i.getProperty().getRepresentation(),v=n.getOpenGLMode(h,c);if((v===e.context.TRIANGLES||l&&!u||!p&&u||!p&&v===e.context.LINES)&&(g=!0),i.getProperty().getLighting()&&g){s=0;const d=a.getLightsByReference();for(let x=0;x<d.length;++x){const w=d[x];w.getSwitch()>0&&(o++,s===0&&(s=1)),s===1&&(o>1||w.getIntensity()!==1||!w.lightTypeIsHeadLight())&&(s=2),s<3&&w.getPositional()&&(s=3)}}let y=!1;const T=e.lastBoundBO.getReferenceByName("lastLightComplexity"),C=e.lastBoundBO.getReferenceByName("lastLightCount");return(T!==s||C!==o)&&(e.lastBoundBO.set({lastLightComplexity:s},!0),e.lastBoundBO.set({lastLightCount:o},!0),y=!0),(!e.currentRenderPass&&e.lastRenderPassShaderReplacement||e.currentRenderPass&&e.currentRenderPass.getShaderReplacement()!==e.lastRenderPassShaderReplacement)&&(y=!0),e.lastHaveSeenDepthRequest!==e.haveSeenDepthRequest||n.getShaderSourceTime().getMTime()<e.renderable.getMTime()||n.getShaderSourceTime().getMTime()<e.currentInput.getMTime()||n.getShaderSourceTime().getMTime()<e.selectionStateChanged.getMTime()||y?(e.lastHaveSeenDepthRequest=e.haveSeenDepthRequest,!0):!1},t.invokeShaderCallbacks=(n,a,i)=>{const s=e.renderable.getViewSpecificProperties().ShadersCallbacks;s&&s.forEach(o=>{o.callback(o.userData,n,a,i)})},t.setMapperShaderParameters=(n,a,i)=>{if(n.getProgram().isUniformUsed("PrimitiveIDOffset")&&n.getProgram().setUniformi("PrimitiveIDOffset",e.primitiveIDOffset),n.getProgram().isUniformUsed("VertexIDOffset")&&n.getProgram().setUniformi("VertexIDOffset",e.vertexIDOffset),n.getCABO().getElementCount()&&(e.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){const c=e.lastBoundBO.getReferenceByName("lastLightComplexity");n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),e.context.FLOAT,3,!1)||Vn("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("normalMC")&&n.getCABO().getNormalOffset()&&c>0?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"normalMC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),e.context.FLOAT,3,!1)||Vn("Error setting normalMC in shader VAO."):n.getVAO().removeAttributeArray("normalMC"),e.renderable.getCustomShaderAttributes().forEach((f,g)=>{n.getProgram().isAttributeUsed(`${f}MC`)&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),`${f}MC`,n.getCABO().getCustomData()[g].offset,n.getCABO().getStride(),e.context.FLOAT,n.getCABO().getCustomData()[g].components,!1)||Vn(`Error setting ${f}MC in shader VAO.`))}),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),e.context.FLOAT,n.getCABO().getTCoordComponents(),!1)||Vn("Error setting tcoordMC in shader VAO."):n.getVAO().removeAttributeArray("tcoordMC"),n.getProgram().isAttributeUsed("scalarColor")&&n.getCABO().getColorComponents()?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO().getColorBO(),"scalarColor",n.getCABO().getColorOffset(),n.getCABO().getColorBOStride(),e.context.UNSIGNED_BYTE,4,!0)||Vn("Error setting scalarColor in shader VAO."):n.getVAO().removeAttributeArray("scalarColor"),n.getAttributeUpdateTime().modified()}if(e.renderable.getNumberOfClippingPlanes()){const c=e.renderable.getNumberOfClippingPlanes(),f=[],g=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,u=g?Ve(e.tmpMat4,i.getMatrix()):i.getMatrix();g&&(ue(u,u),X(u,u,g),ue(u,u));for(let l=0;l<c;l++){const p=[];e.renderable.getClippingPlaneInDataCoords(u,l,p);for(let h=0;h<4;h++)f.push(p[h])}n.getProgram().setUniformi("numClipPlanes",c),n.getProgram().setUniform4fv("clipPlanes",f)}e.internalColorTexture&&n.getProgram().isUniformUsed("texture1")&&n.getProgram().setUniformi("texture1",e.internalColorTexture.getTextureUnit());const s=e.openGLActor.getActiveTextures();if(s)for(let c=0;c<s.length;++c){const f=s[c].getTextureUnit(),g=`texture${f+1}`;n.getProgram().isUniformUsed(g)&&n.getProgram().setUniformi(g,f)}if(e.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",e.renderDepth?1:0),n.getProgram().isUniformUsed("coffset")){const c=t.getCoincidentParameters(a,i);n.getProgram().setUniformf("coffset",c.offset),n.getProgram().isUniformUsed("cfactor")&&n.getProgram().setUniformf("cfactor",c.factor)}n.setMapperShaderParameters(a,i,e._openGLRenderer.getTiledSizeAndOrigin());const o=e._openGLRenderer.getSelector();n.getProgram().setUniform3fArray("mapperIndex",o?o.getPropColorValue():[0,0,0]),n.getProgram().setUniformi("picking",o?o.getCurrentPass()+1:0)},t.setLightingShaderParameters=(n,a,i)=>{const s=e.lastBoundBO.getReferenceByName("lastLightComplexity");if(s<2)return;const o=n.getProgram();let c=0;const f=a.getLightsByReference();for(let u=0;u<f.length;++u){const l=f[u];if(l.getSwitch()>0){const p=l.getColorByReference(),h=l.getIntensity();e.lightColor[0]=p[0]*h,e.lightColor[1]=p[1]*h,e.lightColor[2]=p[2]*h;const v=l.getDirection(),y=a.getActiveCamera().getViewMatrix(),T=[...v];l.lightTypeIsSceneLight()&&(T[0]=y[0]*v[0]+y[1]*v[1]+y[2]*v[2],T[1]=y[4]*v[0]+y[5]*v[1]+y[6]*v[2],T[2]=y[8]*v[0]+y[9]*v[1]+y[10]*v[2],Ze(T)),e.lightDirection[0]=T[0],e.lightDirection[1]=T[1],e.lightDirection[2]=T[2],Ze(e.lightDirection),o.setUniform3fArray(`lightColor${c}`,e.lightColor),o.setUniform3fArray(`lightDirectionVC${c}`,e.lightDirection),c++}}if(s<3)return;const g=a.getActiveCamera().getViewMatrix();ue(g,g),c=0;for(let u=0;u<f.length;++u){const l=f[u];if(l.getSwitch()>0){const p=l.getTransformedPosition(),h=new Float64Array(3);ie(h,p,g),o.setUniform3fArray(`lightAttenuation${c}`,l.getAttenuationValuesByReference()),o.setUniformi(`lightPositional${c}`,l.getPositional()),o.setUniformf(`lightExponent${c}`,l.getExponent()),o.setUniformf(`lightConeAngle${c}`,l.getConeAngle()),o.setUniform3fArray(`lightPositionVC${c}`,[h[0],h[1],h[2]]),c++}}};function r(n,a,i){return a.identity(i),n.reduce((s,o,c)=>c===0?o?a.copy(s,o):a.identity(s):o?a.multiply(s,s,o):s,i)}t.setCameraShaderParameters=(n,a,i)=>{const s=n.getProgram(),o=e.openGLCamera.getKeyMatrices(a),c=a.getActiveCamera(),f=e.openGLCamera.getKeyMatrixTime().getMTime(),g=s.getLastCameraMTime(),u=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,l=i.getIsIdentity(),p=l?{mcwc:null,normalMatrix:null}:e.openGLActor.getKeyMatrices();if(i.getCoordinateSystem()===H2.DISPLAY){const h=e._openGLRenderer.getTiledSizeAndOrigin();K(e.tmpMat4),e.tmpMat4[0]=2/h.usize,e.tmpMat4[12]=-1,e.tmpMat4[5]=2/h.vsize,e.tmpMat4[13]=-1,X(e.tmpMat4,e.tmpMat4,u),s.setUniformMatrix("MCPCMatrix",e.tmpMat4)}else s.setUniformMatrix("MCPCMatrix",r([o.wcpc,p.mcwc,u],qr,e.tmpMat4));s.isUniformUsed("MCVCMatrix")&&s.setUniformMatrix("MCVCMatrix",r([o.wcvc,p.mcwc,u],qr,e.tmpMat4)),s.isUniformUsed("normalMatrix")&&s.setUniformMatrix3x3("normalMatrix",r([o.normalMatrix,p.normalMatrix],uv,e.tmpMat3)),g!==f&&(s.isUniformUsed("cameraParallel")&&s.setUniformi("cameraParallel",c.getParallelProjection()),s.setLastCameraMTime(f)),l||s.setLastCameraMTime(0)},t.setPropertyShaderParameters=(n,a,i)=>{const s=n.getProgram();let o=i.getProperty(),c=e.drawingEdges||o.getRepresentation()===Dn.WIREFRAME?o.getEdgeOpacity():o.getOpacity(),f=e.drawingEdges?o.getEdgeColorByReference():o.getAmbientColorByReference(),g=e.drawingEdges?o.getEdgeColorByReference():o.getDiffuseColorByReference(),u=e.drawingEdges?1:o.getAmbient(),l=e.drawingEdges?0:o.getDiffuse(),p=e.drawingEdges?0:o.getSpecular();const h=o.getSpecularPower();s.setUniformf("opacityUniform",c),s.setUniform3fArray("ambientColorUniform",f),s.setUniform3fArray("diffuseColorUniform",g),s.setUniformf("ambient",u),s.setUniformf("diffuse",l);const v=e.lastBoundBO.getReferenceByName("lastLightComplexity");if(v<1)return;let y=o.getSpecularColorByReference();if(s.setUniform3fArray("specularColorUniform",y),s.setUniformf("specularPowerUniform",h),s.setUniformf("specular",p),s.isUniformUsed("ambientIntensityBF")){if(o=i.getBackfaceProperty(),c=o.getOpacity(),f=o.getAmbientColor(),u=o.getAmbient(),g=o.getDiffuseColor(),l=o.getDiffuse(),y=o.getSpecularColor(),p=o.getSpecular(),s.setUniformf("ambientIntensityBF",u),s.setUniformf("diffuseIntensityBF",l),s.setUniformf("opacityUniformBF",c),s.setUniform3fArray("ambientColorUniformBF",f),s.setUniform3fArray("diffuseColorUniformBF",g),v<1)return;s.setUniformf("specularIntensityBF",p),s.setUniform3fArray("specularColorUniformBF",y),s.setUniformf("specularPowerUniformBF",h)}},t.updateMaximumPointCellIds=(n,a)=>{const i=e._openGLRenderer.getSelector();if(i){if(e.selectionWebGLIdsToVTKIds?.points?.length){const s=e.selectionWebGLIdsToVTKIds.points.length;i.setMaximumPointId(s-1)}if(e.selectionWebGLIdsToVTKIds?.cells?.length){const s=e.selectionWebGLIdsToVTKIds.cells.length;i.setMaximumCellId(s-1)}i.getFieldAssociation()===Cs.FIELD_ASSOCIATION_POINTS&&(e.pointPicking=!0)}},t.renderPieceStart=(n,a)=>{e.primitiveIDOffset=0,e.vertexIDOffset=0;const i=j2(e._openGLRenderer);e.lastSelectionState!==i&&(e.selectionStateChanged.modified(),e.lastSelectionState=i),e._openGLRenderer.getSelector()&&e._openGLRenderer.getSelector().renderProp(a),t.updateBufferObjects(n,a),e.renderable.getColorTextureMap()&&e.internalColorTexture.activate(),e.lastBoundBO=null},t.renderPieceDraw=(n,a)=>{const i=a.getProperty().getRepresentation(),s=a.getProperty().getEdgeVisibility()&&i===Dn.SURFACE,o=e._openGLRenderer.getSelector(),c=o&&o.getFieldAssociation()===Cs.FIELD_ASSOCIATION_POINTS&&(e.lastSelectionState===je.ID_LOW24||e.lastSelectionState===je.ID_HIGH24);for(let f=me.Start;f<me.End;f++)e.primitives[f].setPointPicking(c),e.primitives[f].getCABO().getElementCount()&&(e.drawingEdges=s&&(f===me.TrisEdges||f===me.TriStripsEdges),(!e.drawingEdges||!(e.renderDepth||e.lastSelectionState>=0))&&(e.lastBoundBO=e.primitives[f],e.primitiveIDOffset+=e.primitives[f].drawArrays(n,a,i,t),e.vertexIDOffset+=e.primitives[f].getCABO().getElementCount()))},t.renderPieceFinish=(n,a)=>{e.LastBoundBO&&e.LastBoundBO.getVAO().release(),e.renderable.getColorTextureMap()&&e.internalColorTexture.deactivate()},t.renderPiece=(n,a)=>{if(t.invokeEvent(A2),e.renderable.getStatic()||e.renderable.update(),e.currentInput=e.renderable.getInputData(),t.invokeEvent(I2),!e.currentInput){Vn("No input!");return}if(!e.currentInput.getPoints||!e.currentInput.getPoints().getNumberOfValues())return;const i=e.context,s=a.getProperty().getBackfaceCulling(),o=a.getProperty().getFrontfaceCulling();!s&&!o?e._openGLRenderWindow.disableCullFace():o?(e._openGLRenderWindow.enableCullFace(),e._openGLRenderWindow.setCullFaceMode(i.FRONT)):(e._openGLRenderWindow.enableCullFace(),e._openGLRenderWindow.setCullFaceMode(i.BACK)),t.renderPieceStart(n,a),t.renderPieceDraw(n,a),t.renderPieceFinish(n,a)},t.updateBufferObjects=(n,a)=>{t.getNeedToRebuildBufferObjects(n,a)&&t.buildBufferObjects(n,a),t.updateMaximumPointCellIds()},t.getNeedToRebuildBufferObjects=(n,a)=>{const i=e.VBOBuildTime.getMTime();return i<t.getMTime()||i<e.renderable.getMTime()||i<a.getMTime()||i<e.currentInput.getMTime()},t.buildBufferObjects=(n,a)=>{const i=e.currentInput;if(i===null)return;e.renderable.mapScalars(i,1);const s=e.renderable.getColorMapColors();e.haveCellScalars=!1;const o=e.renderable.getScalarMode();e.renderable.getScalarVisibility()&&(o===ka.USE_CELL_DATA||o===ka.USE_CELL_FIELD_DATA||o===ka.USE_FIELD_DATA||!i.getPointData().getScalars())&&o!==ka.USE_POINT_FIELD_DATA&&s&&(e.haveCellScalars=!0);let c=a.getProperty().getInterpolation()!==Of.FLAT?i.getPointData().getNormals():null;c===null&&i.getCellData().getNormals()&&(e.haveCellNormals=!0,c=i.getCellData().getNormals());const f=a.getProperty().getRepresentation();let g=i.getPointData().getTCoords();e.openGLActor.getActiveTextures()||(g=null);let u=!1;if(e.renderable.getColorCoordinates()){g=e.renderable.getColorCoordinates(),u=e.renderable.getAreScalarsMappedFromCells(),e.internalColorTexture||(e.internalColorTexture=Q.newInstance({resizable:!0}));const h=e.internalColorTexture;h.setMinificationFilter(Ef.NEAREST),h.setMagnificationFilter(Ef.NEAREST),h.setWrapS(Rf.CLAMP_TO_EDGE),h.setWrapT(Rf.CLAMP_TO_EDGE),h.setOpenGLRenderWindow(e._openGLRenderWindow);const v=e.renderable.getColorTextureMap(),y=v.getExtent(),T=v.getPointData().getScalars();h.create2DFromRaw({width:y[1]-y[0]+1,height:y[3]-y[2]+1,numComps:T.getNumberOfComponents(),dataType:T.getDataType(),data:T.getData()}),h.activate(),h.sendParameters(),h.deactivate()}const l=e.renderable.getCustomShaderAttributes().map(h=>i.getPointData().getArrayByName(h)),p=`${i.getMTime()}A${f}B${i.getMTime()}C${c?c.getMTime():1}D${s?s.getMTime():1}E${a.getProperty().getEdgeVisibility()}F${g?g.getMTime():1}G${l.map(h=>h.getMTime()).join(",")}`;if(e.VBOBuildString!==p){const h={points:i.getPoints(),normals:c,tcoords:g,colors:s,cellOffset:0,vertexOffset:0,useTCoordsPerCell:u,haveCellScalars:e.haveCellScalars,haveCellNormals:e.haveCellNormals,customAttributes:l};e.renderable.getPopulateSelectionSettings()&&(e.selectionWebGLIdsToVTKIds={points:null,cells:null});const v=[{inRep:"verts",cells:i.getVerts()},{inRep:"lines",cells:i.getLines()},{inRep:"polys",cells:i.getPolys()},{inRep:"strips",cells:i.getStrips()},{inRep:"polys",cells:i.getPolys()},{inRep:"strips",cells:i.getStrips()}],y=a.getProperty().getEdgeVisibility()&&f===Dn.SURFACE;for(let T=me.Start;T<me.End;T++)T!==me.TrisEdges&&T!==me.TriStripsEdges?(h.cellOffset+=e.primitives[T].getCABO().createVBO(v[T].cells,v[T].inRep,f,h,e.selectionWebGLIdsToVTKIds),h.vertexOffset+=e.primitives[T].getCABO().getElementCount()):y?e.primitives[T].getCABO().createVBO(v[T].cells,v[T].inRep,Dn.WIREFRAME,{...h,tcoords:null,colors:null,haveCellScalars:!1,haveCellNormals:!1}):e.primitives[T].releaseGraphicsResources();e.renderable.getPopulateSelectionSettings()&&e.renderable.setSelectionWebGLIdsToVTKIds(e.selectionWebGLIdsToVTKIds),e.VBOBuildString=p}e.VBOBuildTime.modified()},t.getAllocatedGPUMemoryInBytes=()=>{let n=0;return e.primitives.forEach(a=>{n+=a.getAllocatedGPUMemoryInBytes()}),n}}var K2={context:null,VBOBuildTime:0,VBOBuildString:null,primitives:null,primTypes:null,shaderRebuildString:null,tmpMat4:null,ambientColor:[],diffuseColor:[],specularColor:[],lightColor:[],lightDirection:[],lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastSelectionState:je.MIN_KNOWN_PASS-1,selectionStateChanged:null,selectionWebGLIdsToVTKIds:null,pointPicking:!1};function dp(t,e,r={}){Object.assign(e,K2,r),Fe.extend(t,e,r),$t.implementReplaceShaderCoincidentOffset(t,e,r),$t.implementBuildShadersWithReplacements(t,e,r),e.primitives=[],e.primTypes=me,e.tmpMat3=ct(new Float64Array(9)),e.tmpMat4=K(new Float64Array(16));for(let n=me.Start;n<me.End;n++)e.primitives[n]=ft.newInstance(),e.primitives[n].setPrimitiveType(n),e.primitives[n].set({lastLightComplexity:0,lastLightCount:0,lastSelectionPass:!1},!0);Ce(t,e,["context"]),e.VBOBuildTime={},ye(e.VBOBuildTime,{mtime:0}),e.selectionStateChanged={},ye(e.selectionStateChanged,{mtime:0}),P2(t,e)}var Cp=ce(dp,"vtkOpenGLPolyDataMapper"),es={newInstance:Cp,extend:dp};Oe("vtkMapper",Cp);var X2=`//VTK::System::Dec
-
-/*=========================================================================
-
-  Program:   Visualization Toolkit
-  Module:    vtkPolyData2DFS.glsl
-
-  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-  All rights reserved.
-  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notice for more information.
-
-=========================================================================*/
-
-uniform int PrimitiveIDOffset;
-
-// Texture coordinates
-//VTK::TCoord::Dec
-
-// Scalar coloring
-//VTK::Color::Dec
-
-// Depth Peeling
-//VTK::DepthPeeling::Dec
-
-// picking support
-//VTK::Picking::Dec
-
-// the output of this shader
-//VTK::Output::Dec
-
-// Apple Bug
-//VTK::PrimID::Dec
-
-void main()
-{
-  // Apple Bug
-  //VTK::PrimID::Impl
-
-  //VTK::Color::Impl
-  //VTK::TCoord::Impl
-
-  //VTK::DepthPeeling::Impl
-  //VTK::Picking::Impl
-
-  if (gl_FragData[0].a <= 0.0)
-    {
-    discard;
-    }
-}
-`,Y2=`//VTK::System::Dec
-
-/*=========================================================================
-
-  Program:   Visualization Toolkit
-  Module:    vtkPolyData2DVS.glsl
-
-  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-  All rights reserved.
-  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notice for more information.
-
-=========================================================================*/
-
-// all variables that represent positions or directions have a suffix
-// indicating the coordinate system they are in. The possible values are
-// MC - Model Coordinates
-// WC - WC world coordinates
-// VC - View Coordinates
-// DC - Display Coordinates
-
-in vec4 vertexWC;
-
-// frag position in VC
-//VTK::PositionVC::Dec
-
-// material property values
-//VTK::Color::Dec
-
-// Texture coordinates
-//VTK::TCoord::Dec
-
-// Apple Bug
-//VTK::PrimID::Dec
-
-uniform mat4 WCVCMatrix;  // World to view matrix
-
-void main()
-{
-  // Apple Bug
-  //VTK::PrimID::Impl
-
-  gl_Position = WCVCMatrix*vertexWC;
-
-  //VTK::TCoord::Impl
-
-  //VTK::Color::Impl
-
-  //VTK::PositionVC::Impl
-}
-`,q2={BACKGROUND:0,FOREGROUND:1},{primTypes:gt}=ft,{Filter:Mf,Wrap:mf}=Q,{vtkErrorMacro:Dr}=ke,Z2={type:"StartEvent"},Q2={type:"EndEvent"};function J2(t,e){e.classHierarchy.push("vtkOpenGLPolyDataMapper2D"),t.buildPass=n=>{n&&(e.openGLActor2D=t.getFirstAncestorOfType("vtkOpenGLActor2D"),e._openGLRenderer=e.openGLActor2D.getFirstAncestorOfType("vtkOpenGLRenderer"),e._openGLRenderWindow=e._openGLRenderer.getLastAncestorOfType("vtkOpenGLRenderWindow"),e.openGLCamera=e._openGLRenderer.getViewNodeFor(e._openGLRenderer.getRenderable().getActiveCamera(),e.openGLCamera))},t.overlayPass=n=>{n&&t.render()},t.getShaderTemplate=(n,a,i)=>{n.Vertex=Y2,n.Fragment=X2,n.Geometry=""},t.render=()=>{const n=e._openGLRenderWindow.getContext();if(e.context!==n){e.context=n;for(let s=gt.Start;s<gt.End;s++)e.primitives[s].setOpenGLRenderWindow(e._openGLRenderWindow)}const a=e.openGLActor2D.getRenderable(),i=e._openGLRenderer.getRenderable();t.renderPiece(i,a)},t.renderPiece=(n,a)=>{if(t.invokeEvent(Z2),e.renderable.getStatic()||e.renderable.update(),e.currentInput=e.renderable.getInputData(),t.invokeEvent(Q2),!e.currentInput){Dr("No input!");return}if(!e.currentInput.getPoints||!e.currentInput.getPoints().getNumberOfValues())return;const i=e.context;e._openGLRenderWindow.enableCullFace(),e._openGLRenderWindow.setCullFaceMode(i.BACK),t.renderPieceStart(n,a),t.renderPieceDraw(n,a),t.renderPieceFinish(n,a)},t.renderPieceStart=(n,a)=>{if(e.primitiveIDOffset=0,e._openGLRenderer.getSelector())switch(e._openGLRenderer.getSelector().getCurrentPass()){default:e._openGLRenderer.getSelector().renderProp(a)}e.renderable.getColorTextureMap()&&e.internalColorTexture.activate(),t.updateBufferObjects(n,a),e.lastBoundBO=null},t.getNeedToRebuildShaders=(n,a,i)=>n.getShaderSourceTime().getMTime()<e.renderable.getMTime()||n.getShaderSourceTime().getMTime()<e.currentInput.getMTime(),t.updateBufferObjects=(n,a)=>{t.getNeedToRebuildBufferObjects(n,a)&&t.buildBufferObjects(n,a)},t.getNeedToRebuildBufferObjects=(n,a)=>{const i=e.VBOBuildTime.getMTime();return!!(i<t.getMTime()||i<e._openGLRenderWindow.getMTime()||i<e.renderable.getMTime()||i<a.getMTime()||i<e.currentInput.getMTime()||e.renderable.getTransformCoordinate()&&i<n.getMTime())},t.buildBufferObjects=(n,a)=>{const i=e.currentInput;if(i===null)return;e.renderable.mapScalars(i,a.getProperty().getOpacity());const s=e.renderable.getColorMapColors(),o=a.getProperty().getRepresentation();let c=i.getPointData().getTCoords();e.openGLActor2D.getActiveTextures()||(c=null);let f=!1;if(e.renderable.getColorCoordinates()){c=e.renderable.getColorCoordinates(),f=e.renderable.getAreScalarsMappedFromCells(),e.internalColorTexture||(e.internalColorTexture=Q.newInstance({resizable:!0}));const p=e.internalColorTexture;p.setMinificationFilter(Mf.NEAREST),p.setMagnificationFilter(Mf.NEAREST),p.setWrapS(mf.CLAMP_TO_EDGE),p.setWrapT(mf.CLAMP_TO_EDGE),p.setOpenGLRenderWindow(e._openGLRenderWindow);const h=e.renderable.getColorTextureMap(),v=h.getExtent(),y=h.getPointData().getScalars();p.create2DFromRaw({width:v[1]-v[0]+1,height:v[3]-v[2]+1,numComps:y.getNumberOfComponents(),dataType:y.getDataType(),data:y.getData()}),p.activate(),p.sendParameters(),p.deactivate()}const g=e.renderable.getTransformCoordinate(),u=n.getRenderWindow().getViews()[0].getViewportSize(n),l=`${i.getMTime()}A${o}B${i.getMTime()}C${s?s.getMTime():1}D${c?c.getMTime():1}E${g?n.getMTime():1}F${u}`;if(e.VBOBuildString!==l){let p=i.getPoints();if(g){const v=qn.newInstance(),y=p.getNumberOfPoints();v.setNumberOfPoints(y);const T=[];for(let C=0;C<y;++C){p.getPoint(C,T),g.setValue(T);const d=g.getComputedDoubleViewportValue(n);v.setPoint(C,d[0],d[1],0)}p=v}const h={points:p,tcoords:c,colors:s,cellOffset:0,useTCoordsPerCell:f,haveCellScalars:e.renderable.getAreScalarsMappedFromCells(),customAttributes:e.renderable.getCustomShaderAttributes().map(v=>i.getPointData().getArrayByName(v))};h.cellOffset+=e.primitives[gt.Points].getCABO().createVBO(i.getVerts(),"verts",o,h),h.cellOffset+=e.primitives[gt.Lines].getCABO().createVBO(i.getLines(),"lines",o,h),h.cellOffset+=e.primitives[gt.Tris].getCABO().createVBO(i.getPolys(),"polys",o,h),h.cellOffset+=e.primitives[gt.TriStrips].getCABO().createVBO(i.getStrips(),"strips",o,h),e.VBOBuildTime.modified(),e.VBOBuildString=l}},t.renderPieceDraw=(n,a)=>{const i=a.getProperty().getRepresentation();e.context.depthMask(!0);for(let s=gt.Start;s<gt.End;s++)e.primitives[s].getCABO().getElementCount()&&(e.lastBoundBO=e.primitives[s],e.primitiveIDOffset+=e.primitives[s].drawArrays(n,a,i,t))},t.renderPieceFinish=(n,a)=>{e.lastBoundBO&&e.lastBoundBO.getVAO().release(),e.renderable.getColorTextureMap()&&e.internalColorTexture.deactivate()},t.replaceShaderValues=(n,a,i)=>{t.replaceShaderColor(n,a,i),t.replaceShaderTCoord(n,a,i),t.replaceShaderPicking(n,a,i),t.replaceShaderPositionVC(n,a,i)},t.replaceShaderColor=(n,a,i)=>{let s=n.Vertex,o=n.Geometry,c=n.Fragment,f=["uniform vec3 diffuseColorUniform;","uniform float opacityUniform;"],g=["vec3 diffuseColor = diffuseColorUniform;","float opacity = opacityUniform;"];e.lastBoundBO.getCABO().getColorComponents()!==0?(f=f.concat(["varying vec4 vertexColorVSOutput;"]),s=k.substitute(s,"//VTK::Color::Dec",["attribute vec4 scalarColor;","varying vec4 vertexColorVSOutput;"]).result,s=k.substitute(s,"//VTK::Color::Impl",["vertexColorVSOutput =  scalarColor;"]).result,o=k.substitute(o,"//VTK::Color::Dec",["in vec4 vertexColorVSOutput[];","out vec4 vertexColorGSOutput;"]).result,o=k.substitute(o,"//VTK::Color::Impl",["vertexColorGSOutput = vertexColorVSOutput[i];"]).result,c=k.substitute(c,"//VTK::Color::Impl",g.concat(["  diffuseColor = vertexColorVSOutput.rgb;","  opacity = opacity*vertexColorVSOutput.a;"])).result):e.renderable.getAreScalarsMappedFromCells()&&(g=g.concat(["  vec4 texColor = texture2D(texture1, tcoordVCVSOutput.st);","  diffuseColor = texColor.rgb;","  opacity = opacity*texColor.a;"])),g=g.concat(["gl_FragData[0] = vec4(diffuseColor, opacity);"]),c=k.substitute(c,"//VTK::Color::Dec",f).result,c=k.substitute(c,"//VTK::Color::Impl",g).result,n.Vertex=s,n.Geometry=o,n.Fragment=c},t.replaceShaderTCoord=(n,a,i)=>{if(e.lastBoundBO.getCABO().getTCoordOffset()){let s=n.Vertex,o=n.Geometry,c=n.Fragment;const f=e.lastBoundBO.getCABO().getTCoordComponents();f===1?(s=k.substitute(s,"//VTK::TCoord::Dec",["in float tcoordMC;","out float tcoordVCVSOutput;"]).result,s=k.substitute(s,"//VTK::TCoord::Impl",["tcoordVCVSOutput = tcoordMC;"]).result,o=k.substitute(o,"//VTK::TCoord::Dec",[`in float tcoordVCVSOutput[];
-`,"out float tcoordVCGSOutput;"]).result,o=k.substitute(o,["//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];"]).result,c=k.substitute(c,"//VTK::TCoord::Dec",["in float tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,c=k.substitute(c,"//VTK::TCoord::Impl",["gl_FragData[0] = gl_FragData[0]*texture2D(texture1, vec2(tcoordVCVSOutput,0));"]).result):f===2&&(s=k.substitute(s,"//VTK::TCoord::Dec",["in vec2 tcoordMC;","out vec2 tcoordVCVSOutput;"]).result,s=k.substitute(s,"//VTK::TCoord::Impl",["tcoordVCVSOutput = tcoordMC;"]).result,o=k.substitute(o,"//VTK::TCoord::Dec",[`in vec2 tcoordVCVSOutput[];
-`,"out vec2 tcoordVCGSOutput;"]).result,o=k.substitute(o,"//VTK::TCoord::Impl",["tcoordVCGSOutput = tcoordVCVSOutput[i];"]).result,c=k.substitute(c,"//VTK::TCoord::Dec",["in vec2 tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,c=k.substitute(c,"//VTK::TCoord::Impl",["gl_FragData[0] = gl_FragData[0]*texture2D(texture1, tcoordVCVSOutput.st);"]).result),e.renderable.getAreScalarsMappedFromCells()&&(o=k.substitute(o,"//VTK::PrimID::Impl",["gl_PrimitiveID = gl_PrimitiveIDIn;"]).result),n.Vertex=s,n.Geometry=o,n.Fragment=c}},t.replaceShaderPicking=(n,a,i)=>{let s=n.Fragment;s=k.substitute(s,"//VTK::Picking::Dec",["uniform vec3 mapperIndex;","uniform int picking;"]).result,s=k.substitute(s,"//VTK::Picking::Impl","  gl_FragData[0] = picking != 0 ? vec4(mapperIndex,1.0) : gl_FragData[0];").result,n.Fragment=s},t.replaceShaderPositionVC=(n,a,i)=>{e.lastBoundBO.replaceShaderPositionVC(n,a,i)},t.invokeShaderCallbacks=(n,a,i)=>{const s=e.renderable.getViewSpecificProperties().ShadersCallbacks;s&&s.forEach(o=>{o.callback(o.userData,n,a,i)})},t.setMapperShaderParameters=(n,a,i)=>{if(n.getProgram().isUniformUsed("PrimitiveIDOffset")&&n.getProgram().setUniformi("PrimitiveIDOffset",e.primitiveIDOffset),n.getProgram().isAttributeUsed("vertexWC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexWC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),e.context.FLOAT,3,!1)||Dr("Error setting vertexWC in shader VAO.")),n.getCABO().getElementCount()&&(e.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){e.renderable.getCustomShaderAttributes().forEach((c,f)=>{n.getProgram().isAttributeUsed(`${c}MC`)&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),`${c}MC`,n.getCABO().getCustomData()[f].offset,n.getCABO().getStride(),e.context.FLOAT,n.getCABO().getCustomData()[f].components,!1)||Dr(`Error setting ${c}MC in shader VAO.`))}),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),e.context.FLOAT,n.getCABO().getTCoordComponents(),!1)||Dr("Error setting tcoordMC in shader VAO."):n.getVAO().removeAttributeArray("tcoordMC"),n.getProgram().isAttributeUsed("scalarColor")&&n.getCABO().getColorComponents()?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO().getColorBO(),"scalarColor",n.getCABO().getColorOffset(),n.getCABO().getColorBOStride(),e.context.UNSIGNED_BYTE,4,!0)||Dr("Error setting scalarColor in shader VAO."):n.getVAO().removeAttributeArray("scalarColor"),e.internalColorTexture&&n.getProgram().isUniformUsed("texture1")&&e.internalColorTexture.getTextureUnit()>-1&&n.getProgram().setUniformi("texture1",e.internalColorTexture.getTextureUnit());const s=e.openGLActor2D.getActiveTextures();if(s)for(let c=0;c<s.length;++c){const f=s[c].getTextureUnit(),g=`texture${f+1}`;n.getProgram().isUniformUsed(g)&&n.getProgram().setUniformi(g,f)}n.setMapperShaderParameters(a,i,e._openGLRenderer.getTiledSizeAndOrigin());const o=e._openGLRenderer.getSelector();n.getProgram().setUniform3fArray("mapperIndex",o?o.getPropColorValue():[0,0,0]),n.getProgram().setUniformi("picking",o?o.getCurrentPass()+1:0)}},t.setPropertyShaderParameters=(n,a,i)=>{const s=e.renderable.getColorMapColors();if(!s||s.getNumberOfComponents()===0){const o=n.getProgram(),c=i.getProperty(),f=c.getOpacity();o.setUniformf("opacityUniform",f);const g=c.getColor();o.setUniform3fArray("diffuseColorUniform",g)}},t.setLightingShaderParameters=(n,a,i)=>{};function r(n,a,i){return a.identity(i),n.reduce((s,o,c)=>c===0?o?a.copy(s,o):a.identity(s):o?a.multiply(s,s,o):s,i)}t.setCameraShaderParameters=(n,a,i)=>{const s=n.getProgram(),o=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,c=a.getRenderWindow().getViews()[0].getViewportSize(a),f=a.getViewport(),g=i.getActualPositionCoordinate().getComputedDoubleViewportValue(a),u=[0,0,1,1],l=[0,0,1,1];if(l[0]=f[0]>=u[0]?f[0]:u[0],l[1]=f[1]>=u[1]?f[1]:u[1],l[2]=f[2]<=u[2]?f[2]:u[2],l[3]=f[3]<=u[3]?f[3]:u[3],l[0]>=l[2]||l[1]>=l[3])return;c[0]=Gr(c[0]*(l[2]-l[0])/(f[2]-f[0])),c[1]=Gr(c[1]*(l[3]-l[1])/(f[3]-f[1]));const p=e._openGLRenderer.getParent().getSize(),h=Gr(g[0]-(l[0]-f[0])*p[0]),v=Gr(g[1]-(l[1]-f[1])*p[1]),y=-h;let T=-h+c[0];const C=-v;let d=-v+c[1];y===T&&(T=y+1),C===d&&(d=C+1);const x=K(new Float64Array(16));x[0]=2/(T-y),x[5]=2/(d-C),x[3]=-1*(T+y)/(T-y),x[7]=-1*(d+C)/(d-C),x[10]=0,x[11]=i.getProperty().getDisplayLocation()===q2.FOREGROUND?-1:1,x[15]=1,ue(x,x),s.setUniformMatrix("WCVCMatrix",r([x,o],qr,e.tmpMat4))},t.getAllocatedGPUMemoryInBytes=()=>{let n=0;return e.primitives.forEach(a=>{n+=a.getAllocatedGPUMemoryInBytes()}),n}}var ew={context:null,VBOBuildTime:0,VBOBuildString:null,primitives:null,primTypes:null,shaderRebuildString:null};function tw(t,e,r={}){Object.assign(e,ew,r),Fe.extend(t,e,r),$t.implementReplaceShaderCoincidentOffset(t,e,r),$t.implementBuildShadersWithReplacements(t,e,r),e.primitives=[],e.primTypes=gt,e.tmpMat4=K(new Float64Array(16));for(let n=gt.Start;n<gt.End;n++)e.primitives[n]=ft.newInstance(),e.primitives[n].setPrimitiveType(n),e.primitives[n].set({lastLightComplexity:0,lastLightCount:0,lastSelectionPass:!1},!0);Ce(t,e,["context"]),e.VBOBuildTime={},ye(e.VBOBuildTime,{mtime:0}),J2(t,e)}var nw=ce(tw,"vtkOpenGLPolyDataMapper2D");Oe("vtkMapper2D",nw);var rw={HORIZONTAL:"horizontal",VERTICAL:"vertical",AUTO:"auto"},xp={Orientation:rw},{VectorMode:aw}=Zi,{Orientation:Di}=xp;function xs(t,e,r){t.strokeStyle=e.strokeColor,t.lineWidth=e.strokeSize,t.fillStyle=e.fontColor;const n=e.fontSize??r;t.font=`${e.fontStyle} ${n}px ${e.fontFamily}`}function Sp(t,e){return r=>{const n=r.getLastSize(),a=(n[0]/700)**.8,i=(n[1]/700)**.8,s=Math.min(a,i),o=r.getAxisTextStyle(),c=r.getTickTextStyle();Object.assign(o,e.axisTextStyle),Object.assign(c,e.tickTextStyle),o.fontSize===void 0&&(o.fontSize=Math.max(24*s,12)),c.fontSize===void 0&&(r.getLastAspectRatio()>1?c.fontSize=Math.max(20*s,10):c.fontSize=Math.max(16*s,10));const f=r.updateTextureAtlas();r.setTopTitle(!1);const g=r.getBoxSizeByReference();let u=!1;if(e.orientation===Di.VERTICAL?u=!0:e.orientation===Di.HORIZONTAL?u=!1:u=r.getLastAspectRatio()>1,u)r.setTickLabelPixelOffset(.3*c.fontSize),f.titleWidth<=f.tickWidth+r.getTickLabelPixelOffset()+.8*c.fontSize?(r.setTopTitle(!0),r.setAxisTitlePixelOffset(.2*c.fontSize),g[0]=2*(f.tickWidth+r.getTickLabelPixelOffset()+.8*c.fontSize)/n[0],r.setBoxPosition([.98-g[0],-.92])):(r.setAxisTitlePixelOffset(.2*c.fontSize),g[0]=2*(f.titleHeight+r.getAxisTitlePixelOffset()+f.tickWidth+r.getTickLabelPixelOffset()+.8*c.fontSize)/n[0],r.setBoxPosition([.99-g[0],-.92])),g[1]=Math.max(1.2,Math.min(1.84/i,1.84));else{r.setAxisTitlePixelOffset(1.2*c.fontSize),r.setTickLabelPixelOffset(.1*c.fontSize);const l=2*(.8*c.fontSize+f.titleHeight+r.getAxisTitlePixelOffset())/n[1],p=2*f.tickWidth/n[0];g[0]=Math.min(1.9,Math.max(1.4,1.4*p*(r.getTicks().length+3))),g[1]=l,r.setBoxPosition([-.5*g[0],-.97])}r.recomputeBarSegments(f)}}function wp(t,e){return r=>{const n=r.getLastTickBounds(),a=Fo().domain([n[0],n[1]]),i=a.ticks(5),s=a.tickFormat(5);r.setTicks(i),r.setTickStrings(i.map(s))}}function iw(t,e){e.classHierarchy.push("vtkScalarBarActorHelper"),t.setRenderable=a=>{e.renderable!==a&&(e.renderable=a,e.barActor.setProperty(a.getProperty()),e.barActor.setParentProp(a),e.barActor.setCoordinateSystemToDisplay(),e.tmActor.setProperty(a.getProperty()),e.tmActor.setParentProp(a),e.tmActor.setCoordinateSystemToDisplay(),e.generateTicks=a.generateTicks,e.axisTextStyle={...a.getAxisTextStyle()},e.tickTextStyle={...a.getTickTextStyle()},t.modified())},t.updateAPISpecificData=(a,i,s)=>{(e.lastSize[0]!==a[0]||e.lastSize[1]!==a[1])&&(e.lastSize[0]=a[0],e.lastSize[1]=a[1],e.lastAspectRatio=a[0]/a[1],e.forceUpdate=!0);const o=e.renderable.getScalarsToColors();if(!(!o||!e.renderable.getVisibility())&&(e.barMapper.setLookupTable(o),e.camera=i,e.renderWindow=s,e.forceUpdate||Math.max(o.getMTime(),t.getMTime(),e.renderable.getMTime())>e.lastRebuildTime.getMTime())){if(e.lastTickBounds=[...o.getMappingRange()],e.renderable.getGenerateTicks()(t),e.renderable.getAutomated())e.renderable.getAutoLayout()(t);else{e.axisTextStyle={...e.renderable.getAxisTextStyle()},e.tickTextStyle={...e.renderable.getTickTextStyle()},e.barPosition=[...e.renderable.getBarPosition()],e.barSize=[...e.renderable.getBarSize()],e.boxPosition=[...e.renderable.getBoxPosition()],e.boxSize=[...e.renderable.getBoxSize()],e.axisTitlePixelOffset=e.renderable.getAxisTitlePixelOffset(),e.tickLabelPixelOffset=e.renderable.getTickLabelPixelOffset();const c=t.updateTextureAtlas();t.recomputeBarSegments(c)}t.updatePolyDataForLabels(),t.updatePolyDataForBarSegments(),e.lastRebuildTime.modified(),e.forceUpdate=!1}},t.updateTextureAtlas=()=>{e.tmContext.textBaseline="bottom",e.tmContext.textAlign="left";const a={},i=new Map;let s=0,o=1;xs(e.tmContext,e.axisTextStyle,18);let c=e.tmContext.measureText(e.renderable.getAxisLabel()),f={height:c.actualBoundingBoxAscent+2,startingHeight:o,width:c.width+2,textStyle:e.axisTextStyle};i.set(e.renderable.getAxisLabel(),f),o+=f.height,s=f.width,a.titleWidth=f.width,a.titleHeight=f.height,a.tickWidth=0,a.tickHeight=0,xs(e.tmContext,e.tickTextStyle,14);const g=[...t.getTickStrings(),"NaN","Below","Above"];for(let u=0;u<g.length;u++)i.has(g[u])||(c=e.tmContext.measureText(g[u]),f={height:c.actualBoundingBoxAscent+2,startingHeight:o,width:c.width+2,textStyle:e.tickTextStyle},i.set(g[u],f),o+=f.height,s<f.width&&(s=f.width),a.tickWidth<f.width&&(a.tickWidth=f.width),a.tickHeight<f.height&&(a.tickHeight=f.height));return s=ot(s),o=ot(o),i.forEach(u=>{u.tcoords=[0,(o-u.startingHeight-u.height)/o,u.width/s,(o-u.startingHeight-u.height)/o,u.width/s,(o-u.startingHeight)/o,0,(o-u.startingHeight)/o]}),e.tmCanvas.width=s,e.tmCanvas.height=o,e.tmContext.textBaseline="bottom",e.tmContext.textAlign="left",e.tmContext.clearRect(0,0,s,o),i.forEach((u,l)=>{const p=u.textStyle===e.axisTextStyle?18:14;xs(e.tmContext,u.textStyle,p),e.tmContext.fillText(l,1,u.startingHeight+u.height-1)}),e.tmTexture.setCanvas(e.tmCanvas),e.tmTexture.modified(),e._tmAtlas=i,a},t.computeBarSize=a=>{e.vertical=e.boxSize[1]>e.boxSize[0];const i=2*a.tickHeight/e.lastSize[1],s=[1,1];if(e.vertical){const o=2*(a.tickWidth+e.tickLabelPixelOffset)/e.lastSize[0];if(e.topTitle){const c=2*(a.titleHeight+e.axisTitlePixelOffset)/e.lastSize[1];e.barSize[0]=e.boxSize[0]-o,e.barSize[1]=e.boxSize[1]-c}else{const c=2*(a.titleHeight+e.axisTitlePixelOffset)/e.lastSize[0];e.barSize[0]=e.boxSize[0]-c-o,e.barSize[1]=e.boxSize[1]}e.barPosition[0]=e.boxPosition[0]+o,e.barPosition[1]=e.boxPosition[1],s[1]=i}else{const o=(2*a.tickWidth-8)/e.lastSize[0],c=2*(a.titleHeight+e.axisTitlePixelOffset)/e.lastSize[1];e.barSize[0]=e.boxSize[0],e.barPosition[0]=e.boxPosition[0],e.barSize[1]=e.boxSize[1]-c,e.barPosition[1]=e.boxPosition[1],s[0]=o}return s},t.recomputeBarSegments=a=>{const i=t.computeBarSize(a);e.barSegments=[];const s=[0,0],o=e.vertical?1:0,c=e.vertical?.01:.02;function f(l,p){e.barSegments.push({corners:[[...s],[s[0]+i[0],s[1]],[s[0]+i[0],s[1]+i[1]],[s[0],s[1]+i[1]]],scalars:p,title:l}),s[o]+=i[o]+c}e.renderable.getDrawNanAnnotation()&&e.renderable.getScalarsToColors().getNanColor()&&f("NaN",[NaN,NaN,NaN,NaN]),e.renderable.getDrawBelowRangeSwatch()&&e.renderable.getScalarsToColors().getUseBelowRangeColor?.()&&f("Below",[-.1,-.1,-.1,-.1]);const g=e.renderable.getScalarsToColors().getUseAboveRangeColor?.();s[o]+=c;const u=i[o];i[o]=g?1-2*c-i[o]-s[o]:1-c-s[o],f("ticks",e.vertical?[0,0,.995,.995]:[0,.995,.995,0]),e.renderable.getDrawAboveRangeSwatch()&&g&&(i[o]=u,s[o]+=c,f("Above",[1.1,1.1,1.1,1.1]))};const r=new Float64Array(3);t.createPolyDataForOneLabel=(a,i,s,o,c,f)=>{const g=e._tmAtlas.get(a);if(!g)return;let u=f.ptIdx,l=f.cellIdx;r[0]=(.5*i[0]+.5)*e.lastSize[0],r[1]=(.5*i[1]+.5)*e.lastSize[1],r[2]=i[2],r[0]+=c[0],r[1]+=c[1];const p=[],h=o==="vertical"?[1,0]:[0,1];o==="vertical"?(p[0]=g.width,p[1]=-g.height,s[0]==="middle"?r[1]-=g.width/2:s[0]==="right"&&(r[1]-=g.width),s[1]==="middle"?r[0]+=g.height/2:s[1]==="top"&&(r[0]+=g.height)):(p[0]=g.width,p[1]=g.height,s[0]==="middle"?r[0]-=g.width/2:s[0]==="right"&&(r[0]-=g.width),s[1]==="middle"?r[1]-=g.height/2:s[1]==="top"&&(r[1]-=g.height)),f.points[u*3]=r[0],f.points[u*3+1]=r[1],f.points[u*3+2]=r[2],f.tcoords[u*2]=g.tcoords[0],f.tcoords[u*2+1]=g.tcoords[1],u++,r[h[0]]+=p[0],f.points[u*3]=r[0],f.points[u*3+1]=r[1],f.points[u*3+2]=r[2],f.tcoords[u*2]=g.tcoords[2],f.tcoords[u*2+1]=g.tcoords[3],u++,r[h[1]]+=p[1],f.points[u*3]=r[0],f.points[u*3+1]=r[1],f.points[u*3+2]=r[2],f.tcoords[u*2]=g.tcoords[4],f.tcoords[u*2+1]=g.tcoords[5],u++,r[h[0]]-=p[0],f.points[u*3]=r[0],f.points[u*3+1]=r[1],f.points[u*3+2]=r[2],f.tcoords[u*2]=g.tcoords[6],f.tcoords[u*2+1]=g.tcoords[7],u++,f.polys[l*4]=3,f.polys[l*4+1]=u-4,f.polys[l*4+2]=u-3,f.polys[l*4+3]=u-2,l++,f.polys[l*4]=3,f.polys[l*4+1]=u-4,f.polys[l*4+2]=u-2,f.polys[l*4+3]=u-1,f.ptIdx+=4,f.cellIdx+=2};const n=new Float64Array(3);t.updatePolyDataForLabels=()=>{const a=t.getTickStrings().length+e.barSegments.length,i=a*4,s=a*2,o=new Float64Array(i*3),c=new Uint16Array(s*4),f=new Float32Array(i*2),g={ptIdx:0,cellIdx:0,polys:c,points:o,tcoords:f},u=e.vertical?0:1,l=e.vertical?1:0;n[2]=-.99;const p=e.vertical?["right","middle"]:["middle","bottom"];let h=[0,1];const v=[0,0];e.vertical?(v[0]=-e.tickLabelPixelOffset,e.topTitle?(n[0]=e.boxPosition[0]+.5*e.boxSize[0],n[1]=e.barPosition[1]+e.barSize[1],t.createPolyDataForOneLabel(e.renderable.getAxisLabel(),n,["middle","bottom"],"horizontal",[0,e.axisTitlePixelOffset],g)):(n[0]=e.barPosition[0]+e.barSize[0],n[1]=e.barPosition[1]+.5*e.barSize[1],t.createPolyDataForOneLabel(e.renderable.getAxisLabel(),n,["middle","top"],"vertical",[e.axisTitlePixelOffset,0],g)),h=[-1,0]):(v[1]=e.tickLabelPixelOffset,n[0]=e.barPosition[0]+.5*e.barSize[0],n[1]=e.barPosition[1]+e.barSize[1],t.createPolyDataForOneLabel(e.renderable.getAxisLabel(),n,["middle","bottom"],"horizontal",[0,e.axisTitlePixelOffset],g)),n[u]=e.barPosition[u]+(.5*h[u]+.5)*e.barSize[u],n[l]=e.barPosition[l]+e.barSize[l]*.5;let y=null;for(let M=0;M<e.barSegments.length;M++){const E=e.barSegments[M];E.title==="ticks"?y=E:(n[l]=e.barPosition[l]+.5*e.barSize[l]*(E.corners[2][l]+E.corners[0][l]),t.createPolyDataForOneLabel(E.title,n,p,"horizontal",v,g))}const T=e.barPosition[l]+e.barSize[l]*y.corners[0][l],C=e.barSize[l]*(y.corners[2][l]-y.corners[0][l]),d=t.getTicks(),x=t.getTickStrings(),w=t.getTickPositions();for(let M=0;M<d.length;M++)n[l]=T+C*(w?w[M]:(d[M]-e.lastTickBounds[0])/(e.lastTickBounds[1]-e.lastTickBounds[0])),t.createPolyDataForOneLabel(x[M],n,p,"horizontal",v,g);const S=j.newInstance({numberOfComponents:2,values:f,name:"TextureCoordinates"});e.tmPolyData.getPointData().setTCoords(S),e.tmPolyData.getPoints().setData(o,3),e.tmPolyData.getPoints().modified(),e.tmPolyData.getPolys().setData(c,1),e.tmPolyData.getPolys().modified(),e.tmPolyData.modified()},t.updatePolyDataForBarSegments=()=>{const a=e.renderable.getScalarsToColors();let i=0;e.renderable.getDrawNanAnnotation()&&a.getNanColor()&&(i+=1),e.renderable.getDrawBelowRangeSwatch()&&a.getUseBelowRangeColor?.()&&(i+=1),e.renderable.getDrawAboveRangeSwatch()&&a.getUseAboveRangeColor?.()&&(i+=1);const s=4*(1+i),o=s;let c=1;a.getVectorMode()===aw.COMPONENT&&(c=a.getVectorComponent()+1);const f=new Float64Array(s*3),g=new Uint16Array(o*5),u=new Float32Array(s*c);let l=0,p=0;for(let v=0;v<e.barSegments.length;v++){const y=e.barSegments[v];for(let T=0;T<4;T++){n[0]=e.barPosition[0]+y.corners[T][0]*e.barSize[0],n[1]=e.barPosition[1]+y.corners[T][1]*e.barSize[1],f[l*3]=(.5*n[0]+.5)*e.lastSize[0],f[l*3+1]=(.5*n[1]+.5)*e.lastSize[1],f[l*3+2]=n[2];for(let C=0;C<c;C++)u[l*c+C]=e.lastTickBounds[0]+y.scalars[T]*(e.lastTickBounds[1]-e.lastTickBounds[0]);l++}g[p*5]=4,g[p*5+1]=l-4,g[p*5+2]=l-3,g[p*5+3]=l-2,g[p*5+4]=l-1,p++}const h=j.newInstance({numberOfComponents:c,values:u,name:"Scalars"});e.polyData.getPointData().setScalars(h),e.polyData.getPoints().setData(f,3),e.polyData.getPoints().modified(),e.polyData.getPolys().setData(g,1),e.polyData.getPolys().modified(),e.polyData.modified()}}var sw=O.newInstance((t,e,r={renderable:null})=>{Object.assign(e,{},r),O.obj(t,e),O.setGet(t,e,["axisTitlePixelOffset","tickLabelPixelOffset","renderable","topTitle","ticks","tickStrings","tickPositions"]),O.get(t,e,["lastSize","lastAspectRatio","lastTickBounds","axisTextStyle","tickTextStyle","barActor","tmActor"]),O.getArray(t,e,["boxPosition","boxSize"]),O.setArray(t,e,["boxPosition","boxSize"],2),e.forceUpdate=!1,e.lastRebuildTime={},O.obj(e.lastRebuildTime,{mtime:0}),e.lastSize=[-1,-1],e.tmCanvas=document.createElement("canvas"),e.tmContext=e.tmCanvas.getContext("2d"),e._tmAtlas=new Map,e.barMapper=Cn.newInstance(),e.barMapper.setInterpolateScalarsBeforeMapping(!0),e.barMapper.setUseLookupTableScalarRange(!0),e.polyData=ze.newInstance(),e.barMapper.setInputData(e.polyData),e.barActor=dn.newInstance(),e.barActor.setMapper(e.barMapper),e.tmPolyData=ze.newInstance(),e.tmMapper=Cn.newInstance(),e.tmMapper.setInputData(e.tmPolyData),e.tmTexture=pr.newInstance({resizable:!0}),e.tmTexture.setInterpolate(!1),e.tmActor=dn.newInstance({parentProp:t}),e.tmActor.setMapper(e.tmMapper),e.tmActor.addTexture(e.tmTexture),e.barPosition=[0,0],e.barSize=[0,0],e.boxPosition=[.88,-.92],e.boxSize=[.1,1.1],e.lastTickBounds=[],iw(t,e)},"vtkScalarBarActorHelper");function ow(t,e){e.classHierarchy.push("vtkScalarBarActor"),t.setTickTextStyle=r=>{e.tickTextStyle={...e.tickTextStyle,...r},t.modified()},t.setAxisTextStyle=r=>{e.axisTextStyle={...e.axisTextStyle,...r},t.modified()},t.setOrientationToHorizontal=()=>t.setOrientation(Di.HORIZONTAL),t.setOrientationToVertical=()=>t.setOrientation(Di.VERTICAL),t.resetAutoLayoutToDefault=()=>{t.setAutoLayout(Sp(t,e))},t.resetGenerateTicksToDefault=()=>{t.setGenerateTicks(wp(t,e))}}function cw(t){return{automated:!0,autoLayout:null,axisLabel:"Scalar Value",barPosition:[0,0],barSize:[0,0],boxPosition:[.88,-.92],boxSize:[.1,1.1],scalarToColors:null,axisTitlePixelOffset:36,axisTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:void 0,fontFamily:"serif"},tickLabelPixelOffset:14,tickTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:void 0,fontFamily:"serif"},generateTicks:null,drawNanAnnotation:!0,drawBelowRangeSwatch:!0,drawAboveRangeSwatch:!0,orientation:null,...t}}function Op(t,e,r={}){Object.assign(e,cw(r)),e.autoLayout||(e.autoLayout=Sp(t,e)),e.generateTicks||(e.generateTicks=wp(t,e)),dn.extend(t,e,r),t.getProperty().setDiffuse(0),t.getProperty().setAmbient(1),O.setGet(t,e,["automated","autoLayout","axisTitlePixelOffset","axisLabel","scalarsToColors","tickLabelPixelOffset","generateTicks","drawNanAnnotation","drawBelowRangeSwatch","drawAboveRangeSwatch","orientation"]),O.get(t,e,["axisTextStyle","tickTextStyle"]),O.getArray(t,e,["barPosition","barSize","boxPosition","boxSize"]),O.setArray(t,e,["barPosition","barSize","boxPosition","boxSize"],2),ow(t,e)}var fw=O.newInstance(Op,"vtkScalarBarActor"),Ep={newInstance:fw,extend:Op,newScalarBarActorHelper:sw,...xp};function uw(t,e){e.classHierarchy.push("vtkOpenGLScalarBarActor"),t.buildPass=r=>{r&&(e._openGLRenderer=t.getFirstAncestorOfType("vtkOpenGLRenderer"),e._openGLRenderWindow=e._openGLRenderer.getParent(),e.scalarBarActorHelper.getRenderable()||e.scalarBarActorHelper.setRenderable(e.renderable),t.prepareNodes(),t.addMissingNode(e.scalarBarActorHelper.getBarActor()),t.addMissingNode(e.scalarBarActorHelper.getTmActor()),t.removeUnusedNodes())},t.opaquePass=(r,n)=>{if(r){const a=e._openGLRenderer?e._openGLRenderer.getRenderable().getActiveCamera():null,i=e._openGLRenderer.getTiledSizeAndOrigin();e.scalarBarActorHelper.updateAPISpecificData([i.usize,i.vsize],a,e._openGLRenderWindow.getRenderable())}}}var gw={};function lw(t,e,r={}){Object.assign(e,gw,r),Fe.extend(t,e,r),e.scalarBarActorHelper=Ep.newScalarBarActorHelper(),uw(t,e)}var pw=ce(lw,"vtkOpenGLScalarBarActor");Oe("vtkScalarBarActor",pw);var{vtkErrorMacro:Df}=ke;function hw(t,e){e.classHierarchy.push("vtkOpenGLSkybox"),t.buildPass=r=>{if(r){e._openGLRenderer=t.getFirstAncestorOfType("vtkOpenGLRenderer"),e._openGLRenderWindow=e._openGLRenderer.getParent(),e.context=e._openGLRenderWindow.getContext(),e.tris.setOpenGLRenderWindow(e._openGLRenderWindow),e.openGLTexture.setOpenGLRenderWindow(e._openGLRenderWindow);const n=e._openGLRenderer.getRenderable();e.openGLCamera=e._openGLRenderer.getViewNodeFor(n.getActiveCamera(),e.openGLCamera)}},t.queryPass=(r,n)=>{if(r){if(!e.renderable||!e.renderable.getVisibility())return;n.incrementOpaqueActorCount()}},t.opaquePass=(r,n)=>{if(r&&!e._openGLRenderer.getSelector()){t.updateBufferObjects(),e.context.depthMask(!0),e._openGLRenderWindow.getShaderCache().readyShaderProgram(e.tris.getProgram()),e.openGLTexture.render(e._openGLRenderWindow);const a=e.openGLTexture.getTextureUnit();e.tris.getProgram().setUniformi("sbtexture",a);const i=e._openGLRenderer.getRenderable(),s=e.openGLCamera.getKeyMatrices(i),o=new Float64Array(16);if(Ne(o,s.wcpc),e.tris.getProgram().setUniformMatrix("IMCPCMatrix",o),e.lastFormat==="box"){const c=i.getActiveCamera().getPosition();e.tris.getProgram().setUniform3f("camPos",c[0],c[1],c[2])}e.tris.getVAO().bind(),e.context.drawArrays(e.context.TRIANGLES,0,e.tris.getCABO().getElementCount()),e.tris.getVAO().release(),e.openGLTexture.deactivate()}},t.updateBufferObjects=()=>{if(!e.tris.getCABO().getElementCount()){const n=new Float32Array(12);for(let o=0;o<4;o++)n[o*3]=o%2*2-1,n[o*3+1]=o>1?1:-1,n[o*3+2]=1;const a=j.newInstance({numberOfComponents:3,values:n});a.setName("points");const i=new Uint16Array(8);i[0]=3,i[1]=0,i[2]=1,i[3]=3,i[4]=3,i[5]=0,i[6]=3,i[7]=2;const s=j.newInstance({numberOfComponents:1,values:i});e.tris.getCABO().createVBO(s,"polys",dt.SURFACE,{points:a,cellOffset:0})}e.renderable.getFormat()!==e.lastFormat&&(e.lastFormat=e.renderable.getFormat(),e.lastFormat==="box"&&e.tris.setProgram(e._openGLRenderWindow.getShaderCache().readyShaderProgramArray(`//VTK::System::Dec
-             attribute vec3 vertexMC;
-             uniform mat4 IMCPCMatrix;
-             varying vec3 TexCoords;
-             void main () {
-              gl_Position = vec4(vertexMC.xyz, 1.0);
-              vec4 wpos = IMCPCMatrix * gl_Position;
-              TexCoords = wpos.xyz/wpos.w;
-             }`,`//VTK::System::Dec
-             //VTK::Output::Dec
-             varying vec3 TexCoords;
-             uniform samplerCube sbtexture;
-             uniform vec3 camPos;
-             void main () {
-               // skybox looks from inside out
-               // which means we have to adjust
-               // our tcoords. Otherwise text would
-               // be flipped
-               vec3 tc = normalize(TexCoords - camPos);
-               if (abs(tc.z) < max(abs(tc.x),abs(tc.y)))
-               {
-                 tc = vec3(1.0, 1.0, -1.0) * tc;
-               }
-               else
-               {
-                 tc = vec3(-1.0, 1.0, 1.0) * tc;
-               }
-               gl_FragData[0] = textureCube(sbtexture, tc);
-             }`,"")),e.lastFormat==="background"&&e.tris.setProgram(e._openGLRenderWindow.getShaderCache().readyShaderProgramArray(`//VTK::System::Dec
-             attribute vec3 vertexMC;
-             uniform mat4 IMCPCMatrix;
-             varying vec2 TexCoords;
-             void main () {
-              gl_Position = vec4(vertexMC.xyz, 1.0);
-              vec4 wpos = IMCPCMatrix * gl_Position;
-              TexCoords = vec2(vertexMC.x, vertexMC.y)*0.5 + 0.5;
-             }`,`//VTK::System::Dec
-             //VTK::Output::Dec
-             varying vec2 TexCoords;
-             uniform sampler2D sbtexture;
-             void main () {
-               gl_FragData[0] = texture2D(sbtexture, TexCoords);
-             }`,"")),e.tris.getShaderSourceTime().modified(),e.tris.getVAO().bind(),e.tris.getVAO().addAttributeArray(e.tris.getProgram(),e.tris.getCABO(),"vertexMC",e.tris.getCABO().getVertexOffset(),e.tris.getCABO().getStride(),e.context.FLOAT,3,e.context.FALSE)||Df("Error setting vertexMC in shader VAO."));const r=e.renderable.getTextures();r.length||Df("vtkSkybox requires a texture map"),e.openGLTexture.getRenderable()!==r[0]&&(e.openGLTexture.releaseGraphicsResources(e._openGLRenderWindow),e.openGLTexture.setRenderable(r[0]))}}var vw={context:null};function Tw(t,e,r={}){Object.assign(e,vw,r),Fe.extend(t,e,r),e.openGLTexture=Q.newInstance(),e.tris=ft.newInstance(),e.keyMatrixTime={},ye(e.keyMatrixTime,{mtime:0}),e.keyMatrices={normalMatrix:ct(new Float64Array(9)),mcwc:K(new Float64Array(16))},Ce(t,e,["context"]),We(t,e,["activeTextures"]),hw(t,e)}var yw=ce(Tw);Oe("vtkSkybox",yw);var{FieldAssociations:dw}=Jn;function Cw(t,e){e.classHierarchy.push("vtkHardwareSelector"),t.getSourceDataAsync=async(r,n,a,i,s)=>{},t.selectAsync=async(r,n,a,i,s)=>{const o=await t.getSourceDataAsync(r,n,a,i,s);return o?o.generateSelection(n,a,i,s):[]}}var xw={fieldAssociation:dw.FIELD_ASSOCIATION_CELLS,captureZValues:!1};function Rp(t,e,r={}){Object.assign(e,xw,r),O.obj(t,e),O.setGet(t,e,["fieldAssociation","captureZValues"]),Cw(t,e)}var Sw=O.newInstance(Rp,"vtkHardwareSelector"),Mp={newInstance:Sw,extend:Rp};function ww(t,e){e.classHierarchy.push("vtkFramebuffer"),t.getBothMode=()=>e.context.FRAMEBUFFER,t.saveCurrentBindingsAndBuffers=r=>{const n=typeof r<"u"?r:t.getBothMode();t.saveCurrentBindings(n),t.saveCurrentBuffers(n)},t.saveCurrentBindings=r=>{if(!e.context){ne("you must set the OpenGLRenderWindow before calling saveCurrentBindings");return}e.previousDrawBinding=e.context.getParameter(e.context.FRAMEBUFFER_BINDING),e.previousActiveFramebuffer=e._openGLRenderWindow.getActiveFramebuffer()},t.saveCurrentBuffers=r=>{},t.restorePreviousBindingsAndBuffers=r=>{const n=typeof r<"u"?r:t.getBothMode();t.restorePreviousBindings(n),t.restorePreviousBuffers(n)},t.restorePreviousBindings=r=>{if(!e.context){ne("you must set the OpenGLRenderWindow before calling restorePreviousBindings");return}const n=e.context;n.bindFramebuffer(n.FRAMEBUFFER,e.previousDrawBinding),e._openGLRenderWindow.setActiveFramebuffer(e.previousActiveFramebuffer)},t.restorePreviousBuffers=r=>{},t.bind=(r=null)=>{let n=r;n===null&&(n=e.context.FRAMEBUFFER),e.context.bindFramebuffer(n,e.glFramebuffer);for(let a=0;a<e.colorBuffers.length;a++)e.colorBuffers[a].bind();e._openGLRenderWindow.setActiveFramebuffer(t)},t.create=(r,n)=>{if(!e.context){ne("you must set the OpenGLRenderWindow before calling create");return}e.glFramebuffer=e.context.createFramebuffer(),e.glFramebuffer.width=r,e.glFramebuffer.height=n},t.setColorBuffer=(r,n=0)=>{const a=e.context;if(!a){ne("you must set the OpenGLRenderWindow before calling setColorBuffer");return}let i=a.COLOR_ATTACHMENT0;if(n>0)if(e._openGLRenderWindow.getWebgl2())i+=n;else{ne("Using multiple framebuffer attachments requires WebGL 2");return}e.colorBuffers[n]=r,a.framebufferTexture2D(a.FRAMEBUFFER,i,a.TEXTURE_2D,r.getHandle(),0)},t.removeColorBuffer=(r=0)=>{const n=e.context;if(!n){ne("you must set the OpenGLRenderWindow before calling removeColorBuffer");return}let a=n.COLOR_ATTACHMENT0;if(r>0)if(e._openGLRenderWindow.getWebgl2())a+=r;else{ne("Using multiple framebuffer attachments requires WebGL 2");return}n.framebufferTexture2D(n.FRAMEBUFFER,a,n.TEXTURE_2D,null,0),e.colorBuffers=e.colorBuffers.splice(r,1)},t.setDepthBuffer=r=>{if(!e.context){ne("you must set the OpenGLRenderWindow before calling setDepthBuffer");return}if(e._openGLRenderWindow.getWebgl2()){const n=e.context;n.framebufferTexture2D(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.TEXTURE_2D,r.getHandle(),0)}else ne("Attaching depth buffer textures to fbo requires WebGL 2")},t.removeDepthBuffer=()=>{if(!e.context){ne("you must set the OpenGLRenderWindow before calling removeDepthBuffer");return}if(e._openGLRenderWindow.getWebgl2()){const r=e.context;r.framebufferTexture2D(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.TEXTURE_2D,null,0)}else ne("Attaching depth buffer textures to framebuffers requires WebGL 2")},t.getGLFramebuffer=()=>e.glFramebuffer,t.setOpenGLRenderWindow=r=>{e._openGLRenderWindow!==r&&(t.releaseGraphicsResources(),e._openGLRenderWindow=r,e.context=null,r&&(e.context=e._openGLRenderWindow.getContext()))},t.releaseGraphicsResources=()=>{e.glFramebuffer&&e.context.deleteFramebuffer(e.glFramebuffer)},t.getSize=()=>e.glFramebuffer==null?null:[e.glFramebuffer.width,e.glFramebuffer.height],t.populateFramebuffer=()=>{if(!e.context){ne("you must set the OpenGLRenderWindow before calling populateFrameBuffer");return}t.bind();const r=e.context,n=Q.newInstance();n.setOpenGLRenderWindow(e._openGLRenderWindow),n.setMinificationFilter(I.LINEAR),n.setMagnificationFilter(I.LINEAR),n.create2DFromRaw({width:e.glFramebuffer.width,height:e.glFramebuffer.height,numComps:4,dataType:J.UNSIGNED_CHAR,data:null}),t.setColorBuffer(n),e.depthTexture=r.createRenderbuffer(),r.bindRenderbuffer(r.RENDERBUFFER,e.depthTexture),r.renderbufferStorage(r.RENDERBUFFER,r.DEPTH_COMPONENT16,e.glFramebuffer.width,e.glFramebuffer.height),r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.RENDERBUFFER,e.depthTexture)},t.getColorTexture=()=>e.colorBuffers[0]}var Ow={glFramebuffer:null,colorBuffers:null,depthTexture:null,previousDrawBinding:0,previousReadBinding:0,previousDrawBuffer:0,previousReadBuffer:0,previousActiveFramebuffer:null};function mp(t,e,r={}){Object.assign(e,Ow,r),ye(t,e),e.colorBuffers&&ne("you cannot initialize colorBuffers through the constructor. You should call setColorBuffer() instead."),e.colorBuffers=[],fa(t,e,["colorBuffers"]),ww(t,e)}var Ew=ce(mp,"vtkFramebuffer"),Qn={newInstance:Ew,extend:mp},Rw={GLOBALIDS:0,PEDIGREEIDS:1,VALUES:2,INDICES:3,FRUSTUM:4,LOCATIONS:5,THRESHOLDS:6,BLOCKS:7,QUERY:8},Mw={CELL:0,POINT:1,FIELD:2,VERTEX:3,EDGE:4,ROW:5},mw={SelectionContent:Rw,SelectionField:Mw};function Dw(t,e){e.classHierarchy.push("vtkSelectionNode"),t.getBounds=()=>e.points.getBounds()}var Vw={contentType:-1,fieldType:-1,properties:null,selectionList:[]};function Dp(t,e,r={}){Object.assign(e,Vw,r),O.obj(t,e),e.properties={},O.setGet(t,e,["contentType","fieldType","properties","selectionList"]),Dw(t,e)}var Lw=O.newInstance(Dp,"vtkSelectionNode"),ts={newInstance:Lw,extend:Dp,...mw},{PassTypes:Ee}=Nl,{SelectionContent:Fw,SelectionField:Vf}=ts,{FieldAssociations:Xr}=Jn,{vtkErrorMacro:Vp,vtkDebugMacro:Vr}=O,ln=1;function Lp(t){return`${t.propID} ${t.compositeID}`}function Fp(t,e,r,n){return r?r[(e*(n[2]-n[0]+1)+t)*4+3]:0}function Kt(t,e,r,n,a=null){if(!r)return 0;const i=(e*(n[2]-n[0]+1)+t)*4,s=r[i],o=r[i+1];return(r[i+2]*256+o)*256+s}function _p(t,e){let r=e;return r<<=24,r|=t,r}function ar(t,e,r,n){const a=r<0?0:r;if(a===0){if(n[0]=e[0],n[1]=e[1],e[0]<t.area[0]||e[0]>t.area[2]||e[1]<t.area[1]||e[1]>t.area[3])return null;const c=[e[0]-t.area[0],e[1]-t.area[1]],f=Kt(c[0],c[1],t.pixBuffer[Ee.ACTOR_PASS],t.area,"getPixelInformationWithData1");if(f<=0||f-ln>=t.props.length)return null;const g={};g.valid=!0,g.propID=f-ln,g.prop=t.props[g.propID];let u=Kt(c[0],c[1],t.pixBuffer[Ee.COMPOSITE_INDEX_PASS],t.area,"getPixelInformationWithData2");if((u<0||u>16777215)&&(u=0),g.compositeID=u-ln,t.captureZValues){const l=(c[1]*(t.area[2]-t.area[0]+1)+c[0])*4;g.zValue=(256*t.zBuffer[l]+t.zBuffer[l+1])/65535,g.displayPosition=e}return t.pixBuffer[Ee.ID_LOW24]&&Fp(c[0],c[1],t.pixBuffer[Ee.ID_LOW24],t.area)===0||(g.attributeID=_p(Kt(c[0],c[1],t.pixBuffer[Ee.ID_LOW24],t.area,"getPixelInformationWithData3"),Kt(c[0],c[1],t.pixBuffer[Ee.ID_HIGH24],t.area,"getPixelInformationWithData4"),0)),g}const i=[e[0],e[1]],s=[0,0];let o=ar(t,e,0,n);if(o&&o.valid)return o;for(let c=1;c<a;++c){for(let f=i[1]>c?i[1]-c:0;f<=i[1]+c;++f)if(s[1]=f,i[0]>=c&&(s[0]=i[0]-c,o=ar(t,s,0,n),o&&o.valid)||(s[0]=i[0]+c,o=ar(t,s,0,n),o&&o.valid))return o;for(let f=i[0]>=c?i[0]-(c-1):0;f<=i[0]+(c-1);++f)if(s[0]=f,i[1]>=c&&(s[1]=i[1]-c,o=ar(t,s,0,n),o&&o.valid)||(s[1]=i[1]+c,o=ar(t,s,0,n),o&&o.valid))return o}return n[0]=e[0],n[1]=e[1],null}function Np(t,e,r,n,a){const i=[];let s=0;return e.forEach((o,c)=>{const f=ts.newInstance();switch(f.setContentType(Fw.INDICES),t){case Xr.FIELD_ASSOCIATION_CELLS:f.setFieldType(Vf.CELL);break;case Xr.FIELD_ASSOCIATION_POINTS:f.setFieldType(Vf.POINT);break;default:Vp("Unknown field association")}f.getProperties().propID=o.info.propID,f.getProperties().prop=o.info.prop,f.getProperties().compositeID=o.info.compositeID,f.getProperties().attributeID=o.info.attributeID,f.getProperties().pixelCount=o.pixelCount,r&&(f.getProperties().displayPosition=[o.info.displayPosition[0],o.info.displayPosition[1],o.info.zValue],f.getProperties().worldPosition=a.displayToWorld(o.info.displayPosition[0],o.info.displayPosition[1],o.info.zValue,n)),f.setSelectionList(o.attributeIDs),i[s]=f,s++}),i}function _w(t,e,r,n,a){const i=Math.floor(e),s=Math.floor(r),o=Math.floor(n),c=Math.floor(a),f=new Map,g=[0,0];for(let u=s;u<=c;u++)for(let l=i;l<=o;l++){const p=ar(t,[l,u],0,g);if(p&&p.valid){const h=Lp(p);if(!f.has(h))f.set(h,{info:p,pixelCount:1,attributeIDs:[p.attributeID]});else{const v=f.get(h);v.pixelCount++,t.captureZValues&&p.zValue<v.info.zValue&&(v.info=p),v.attributeIDs.indexOf(p.attributeID)===-1&&v.attributeIDs.push(p.attributeID)}}}return Np(t.fieldAssociation,f,t.captureZValues,t.renderer,t.openGLRenderWindow)}function Nw(t,e){e.classHierarchy.push("vtkOpenGLHardwareSelector"),t.releasePixBuffers=()=>{e.rawPixBuffer=[],e.pixBuffer=[],e.zBuffer=null},t.beginSelection=()=>{e._openGLRenderer=e._openGLRenderWindow.getViewNodeFor(e._renderer,e._openGLRenderer),e.maxAttributeId=0;const n=e._openGLRenderWindow.getSize();if(!e.framebuffer)e.framebuffer=Qn.newInstance(),e.framebuffer.setOpenGLRenderWindow(e._openGLRenderWindow),e.framebuffer.saveCurrentBindingsAndBuffers(),e.framebuffer.create(n[0],n[1]),e.framebuffer.populateFramebuffer();else{e.framebuffer.setOpenGLRenderWindow(e._openGLRenderWindow),e.framebuffer.saveCurrentBindingsAndBuffers();const a=e.framebuffer.getSize();!a||a[0]!==n[0]||a[1]!==n[1]?(e.framebuffer.create(n[0],n[1]),e.framebuffer.populateFramebuffer()):e.framebuffer.bind()}if(e._openGLRenderer.clear(),e._openGLRenderer.setSelector(t),e.hitProps={},e.propPixels={},e.props=[],t.releasePixBuffers(),e.fieldAssociation===Xr.FIELD_ASSOCIATION_POINTS){const a=e._openGLRenderWindow.getContext(),i=a.isEnabled(a.BLEND);a.disable(a.BLEND),e._openGLRenderWindow.traverseAllPasses(),i&&a.enable(a.BLEND)}},t.endSelection=()=>{e.hitProps={},e._openGLRenderer.setSelector(null),e.framebuffer.restorePreviousBindingsAndBuffers()},t.preCapturePass=()=>{const n=e._openGLRenderWindow.getContext();e.originalBlending=n.isEnabled(n.BLEND),n.disable(n.BLEND)},t.postCapturePass=()=>{const n=e._openGLRenderWindow.getContext();e.originalBlending&&n.enable(n.BLEND)},t.select=()=>{let n=null;return t.captureBuffers()&&(n=t.generateSelection(e.area[0],e.area[1],e.area[2],e.area[3]),t.releasePixBuffers()),n},t.getSourceDataAsync=async(n,a,i,s,o)=>{if(e._renderer=n,a===void 0){const f=e._openGLRenderWindow.getSize();t.setArea(0,0,f[0]-1,f[1]-1)}else t.setArea(a,i,s,o);if(!t.captureBuffers())return!1;const c={area:[...e.area],pixBuffer:[...e.pixBuffer],captureZValues:e.captureZValues,zBuffer:e.zBuffer,props:[...e.props],fieldAssociation:e.fieldAssociation,renderer:n,openGLRenderWindow:e._openGLRenderWindow};return c.generateSelection=(...f)=>_w(c,...f),c},t.captureBuffers=()=>{if(!e._renderer||!e._openGLRenderWindow)return Vp("Renderer and view must be set before calling Select."),!1;e._openGLRenderer=e._openGLRenderWindow.getViewNodeFor(e._renderer,e._openGLRenderer),e._openGLRenderWindow.getRenderable().preRender(),t.invokeEvent({type:"StartEvent"}),e.originalBackground=e._renderer.getBackgroundByReference(),e._renderer.setBackground(0,0,0,0);const n=e._openGLRenderWindow.getRenderPasses();t.beginSelection();const a=[];for(e.currentPass=Ee.MIN_KNOWN_PASS;e.currentPass<=Ee.MAX_KNOWN_PASS;e.currentPass++)t.passRequired(e.currentPass)&&(t.preCapturePass(e.currentPass),e.captureZValues&&e.currentPass===Ee.ACTOR_PASS&&typeof n[0].requestDepth=="function"&&typeof n[0].getFramebuffer=="function"&&n[0].requestDepth(),e._openGLRenderWindow.traverseAllPasses(),t.postCapturePass(e.currentPass),t.savePixelBuffer(e.currentPass),a.push(e.currentPass));return a.forEach(i=>{e.currentPass=i,t.processPixelBuffers()}),e.currentPass=Ee.MAX_KNOWN_PASS,t.endSelection(),e._renderer.setBackground(e.originalBackground),t.invokeEvent({type:"EndEvent"}),!0},t.processPixelBuffers=()=>{e.props.forEach((n,a)=>{t.isPropHit(a)&&n.processSelectorPixelBuffers(t,e.propPixels[a])})},t.passRequired=n=>{if(n===Ee.ID_HIGH24){if(e.fieldAssociation===Xr.FIELD_ASSOCIATION_POINTS)return e.maximumPointId>16777215;if(e.fieldAssociation===Xr.FIELD_ASSOCIATION_CELLS)return e.maximumCellId>16777215}return!0},t.savePixelBuffer=n=>{if(e.pixBuffer[n]=e._openGLRenderWindow.getPixelData(e.area[0],e.area[1],e.area[2],e.area[3]),!e.rawPixBuffer[n]){const a=(e.area[2]-e.area[0]+1)*(e.area[3]-e.area[1]+1)*4;e.rawPixBuffer[n]=new Uint8Array(a),e.rawPixBuffer[n].set(e.pixBuffer[n])}if(n===Ee.ACTOR_PASS){if(e.captureZValues){const a=e._openGLRenderWindow.getRenderPasses();if(typeof a[0].requestDepth=="function"&&typeof a[0].getFramebuffer=="function"){const i=a[0].getFramebuffer();i.saveCurrentBindingsAndBuffers(),i.bind(),e.zBuffer=e._openGLRenderWindow.getPixelData(e.area[0],e.area[1],e.area[2],e.area[3]),i.restorePreviousBindingsAndBuffers()}}t.buildPropHitList(e.rawPixBuffer[n])}},t.buildPropHitList=n=>{let a=0;for(let i=0;i<=e.area[3]-e.area[1];i++)for(let s=0;s<=e.area[2]-e.area[0];s++){let o=Kt(s,i,n,e.area,"buildPropHitList");o>0&&(o--,o in e.hitProps||(e.hitProps[o]=!0,e.propPixels[o]=[]),e.propPixels[o].push(a*4)),++a}},t.renderProp=n=>{e.currentPass===Ee.ACTOR_PASS&&(t.setPropColorValueFromInt(e.props.length+ln),e.props.push(n))},t.renderCompositeIndex=n=>{e.currentPass===Ee.COMPOSITE_INDEX_PASS&&t.setPropColorValueFromInt(n+ln)},t.renderAttributeId=n=>{n<0||(e.maxAttributeId=n>e.maxAttributeId?n:e.maxAttributeId)},t.passTypeToString=n=>O.enumToString(Ee,n),t.isPropHit=n=>!!e.hitProps[n],t.setPropColorValueFromInt=n=>{e.propColorValue[0]=n%256/255,e.propColorValue[1]=Math.floor(n/256)%256/255,e.propColorValue[2]=Math.floor(n/65536)%256/255},t.getPixelInformation=(n,a,i)=>{const s=a<0?0:a;if(Vr("getPixelInformation called",s),s===0){if(i[0]=n[0],i[1]=n[1],n[0]<e.area[0]||n[0]>e.area[2]||n[1]<e.area[1]||n[1]>e.area[3])return null;Vr(n),Vr(e.area);const g=[n[0]-e.area[0],n[1]-e.area[1]];Vr("adjusted displayPosition",g);const u=Kt(g[0],g[1],e.pixBuffer[Ee.ACTOR_PASS],e.area,"getPixelInformation");if(Vr("actorid",u),u<=0||u-ln>=e.props.length)return null;const l={};l.valid=!0,l.propID=u-ln,l.prop=e.props[l.propID];let p=Kt(g[0],g[1],e.pixBuffer[Ee.COMPOSITE_INDEX_PASS],e.area,"getPixelInformation2");if((p<0||p>16777215)&&(p=0),l.compositeID=p-ln,e.captureZValues){const h=(g[1]*(e.area[2]-e.area[0]+1)+g[0])*4;l.zValue=(256*e.zBuffer[h]+e.zBuffer[h+1])/65535,l.displayPosition=n}return e.pixBuffer[Ee.ID_LOW24]&&Fp(g[0],g[1],e.pixBuffer[Ee.ID_LOW24],e.area)===0||(l.attributeID=_p(Kt(g[0],g[1],e.pixBuffer[Ee.ID_LOW24],e.area,"getPixelInformation3"),Kt(g[0],g[1],e.pixBuffer[Ee.ID_HIGH24],e.area,"getPixelInformation4"))),l}const o=[n[0],n[1]],c=[0,0];let f=t.getPixelInformation(n,0,i);if(f&&f.valid)return f;for(let g=1;g<s;++g){for(let u=o[1]>g?o[1]-g:0;u<=o[1]+g;++u)if(c[1]=u,o[0]>=g&&(c[0]=o[0]-g,f=t.getPixelInformation(c,0,i),f&&f.valid)||(c[0]=o[0]+g,f=t.getPixelInformation(c,0,i),f&&f.valid))return f;for(let u=o[0]>=g?o[0]-(g-1):0;u<=o[0]+(g-1);++u)if(c[0]=u,o[1]>=g&&(c[1]=o[1]-g,f=t.getPixelInformation(c,0,i),f&&f.valid)||(c[1]=o[1]+g,f=t.getPixelInformation(c,0,i),f&&f.valid))return f}return i[0]=n[0],i[1]=n[1],null},t.generateSelection=(n,a,i,s)=>{const o=Math.floor(n),c=Math.floor(a),f=Math.floor(i),g=Math.floor(s),u=new Map,l=[0,0];for(let p=c;p<=g;p++)for(let h=o;h<=f;h++){const v=[h,p],y=t.getPixelInformation(v,0,l);if(y&&y.valid){const T=Lp(y);if(!u.has(T))u.set(T,{info:y,pixelCount:1,attributeIDs:[y.attributeID]});else{const C=u.get(T);C.pixelCount++,e.captureZValues&&y.zValue<C.info.zValue&&(C.info=y),C.attributeIDs.indexOf(y.attributeID)===-1&&C.attributeIDs.push(y.attributeID)}}}return Np(e.fieldAssociation,u,e.captureZValues,e._renderer,e._openGLRenderWindow)},t.getRawPixelBuffer=n=>e.rawPixBuffer[n],t.getPixelBuffer=n=>e.pixBuffer[n],t.attach=(n,a)=>{e._openGLRenderWindow=n,e._renderer=a};const r=t.setArea;t.setArea=(...n)=>r(...n)?(e.area[0]=Math.floor(e.area[0]),e.area[1]=Math.floor(e.area[1]),e.area[2]=Math.floor(e.area[2]),e.area[3]=Math.floor(e.area[3]),!0):!1}var Bw={area:void 0,currentPass:-1,propColorValue:null,props:null,maximumPointId:0,maximumCellId:0,idOffset:1};function Bp(t,e,r={}){Object.assign(e,Bw,r),Mp.extend(t,e,r),e.propColorValue=[0,0,0],e.props=[],e.area||(e.area=[0,0,0,0]),O.setGetArray(t,e,["area"],4),O.setGet(t,e,["_renderer","currentPass","_openGLRenderWindow","maximumPointId","maximumCellId"]),O.setGetArray(t,e,["propColorValue"],3),O.moveToProtected(t,e,["renderer","openGLRenderWindow"]),O.event(t,e,"event"),Nw(t,e)}var kw=O.newInstance(Bp,"vtkOpenGLHardwareSelector"),rc={newInstance:kw,extend:Bp,...Nl},{vtkErrorMacro:Lr}=ke,{Representation:Gw}=tn,{ObjectType:Ga}=Xt,{PassTypes:Uw}=rc,bw={type:"StartEvent"},$w={type:"EndEvent"},zw=64,Ww=16;function Aw(t,e){e.classHierarchy.push("vtkOpenGLGlyph3DMapper");const r={...t};t.renderPiece=(n,a)=>{if(t.invokeEvent(bw),e.renderable.getStatic()||e.renderable.update(),e.currentInput=e.renderable.getInputData(1),t.invokeEvent($w),!e.currentInput){Lr("No input!");return}if(!e.currentInput.getPoints||!e.currentInput.getPoints().getNumberOfValues())return;const i=e.context;e._openGLRenderWindow.getWebgl2()?(e.hardwareSupport=!0,e.extension=null):e.extension||(e.extension=e.context.getExtension("ANGLE_instanced_arrays"),e.hardwareSupport=!!e.extension);const s=a.getProperty().getBackfaceCulling(),o=a.getProperty().getFrontfaceCulling();!s&&!o?e._openGLRenderWindow.disableCullFace():o?(e._openGLRenderWindow.enableCullFace(),e._openGLRenderWindow.setCullFaceMode(i.FRONT)):(e._openGLRenderWindow.enableCullFace(),e._openGLRenderWindow.setCullFaceMode(i.BACK)),t.renderPieceStart(n,a),t.renderPieceDraw(n,a),t.renderPieceFinish(n,a)},t.multiply4x4WithOffset=(n,a,i,s)=>{const o=a[0],c=a[1],f=a[2],g=a[3],u=a[4],l=a[5],p=a[6],h=a[7],v=a[8],y=a[9],T=a[10],C=a[11],d=a[12],x=a[13],w=a[14],S=a[15];let M=i[s],E=i[s+1],R=i[s+2],L=i[s+3];n[0]=M*o+E*u+R*v+L*d,n[1]=M*c+E*l+R*y+L*x,n[2]=M*f+E*p+R*T+L*w,n[3]=M*g+E*h+R*C+L*S,M=i[s+4],E=i[s+5],R=i[s+6],L=i[s+7],n[4]=M*o+E*u+R*v+L*d,n[5]=M*c+E*l+R*y+L*x,n[6]=M*f+E*p+R*T+L*w,n[7]=M*g+E*h+R*C+L*S,M=i[s+8],E=i[s+9],R=i[s+10],L=i[s+11],n[8]=M*o+E*u+R*v+L*d,n[9]=M*c+E*l+R*y+L*x,n[10]=M*f+E*p+R*T+L*w,n[11]=M*g+E*h+R*C+L*S,M=i[s+12],E=i[s+13],R=i[s+14],L=i[s+15],n[12]=M*o+E*u+R*v+L*d,n[13]=M*c+E*l+R*y+L*x,n[14]=M*f+E*p+R*T+L*w,n[15]=M*g+E*h+R*C+L*S},t.replaceShaderNormal=(n,a,i)=>{if(e.hardwareSupport&&e.lastBoundBO.getReferenceByName("lastLightComplexity")>0){let s=n.Vertex;e.lastBoundBO.getCABO().getNormalOffset()&&(s=k.substitute(s,"//VTK::Normal::Dec",["attribute vec3 normalMC;","attribute mat3 gNormal;","uniform mat3 normalMatrix;","varying vec3 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l=s.getData();e.tmpColor[0]=l[f*4]/255,e.tmpColor[1]=l[f*4+1]/255,e.tmpColor[2]=l[f*4+2]/255,u.setUniform3fArray("ambientColorUniform",e.tmpColor),u.setUniform3fArray("diffuseColorUniform",e.tmpColor)}g&&u.setUniform3fArray("mapperIndex",g.getPropColorValue())},t.renderPieceDraw=(n,a)=>{const i=a.getProperty().getRepresentation(),s=e.context,o=a.getProperty().getEdgeVisibility()&&i===Gw.SURFACE,c=e.openGLCamera.getKeyMatrices(n),f=e.openGLActor.getKeyMatrices();Pn(e.normalMatrix,c.normalMatrix,f.normalMatrix),X(e.mcpcMatrix,c.wcpc,f.mcwc),X(e.mcvcMatrix,c.wcvc,f.mcwc);const g=e.renderable.getMatrixArray(),u=e.renderable.getNormalArray(),l=e.renderable.getColorArray(),p=g.length/16;let h=!1;e._openGLRenderer.getSelector()&&e._openGLRenderer.getSelector().getCurrentPass()===Uw.COMPOSITE_INDEX_PASS&&(h=!0);for(let v=e.primTypes.Start;v<e.primTypes.End;v++){const y=e.primitives[v].getCABO();if(y.getElementCount()){e.drawingEdges=o&&(v===e.primTypes.TrisEdges||v===e.primTypes.TriStripsEdges),e.lastBoundBO=e.primitives[v],e.primitives[v].updateShaders(n,a,t);const T=e.primitives[v].getProgram(),C=e.primitives[v].getOpenGLMode(i),d=T.isUniformUsed("normalMatrix"),x=T.isUniformUsed("MCVCMatrix");if(e.hardwareSupport)e.extension?e.extension.drawArraysInstancedANGLE(C,0,y.getElementCount(),p):s.drawArraysInstanced(C,0,y.getElementCount(),p);else for(let w=0;w<p;++w)h&&e._openGLRenderer.getSelector().renderCompositeIndex(w),t.updateGlyphShaderParameters(d,x,e.primitives[v],l,g,u,w,h?e._openGLRenderer.getSelector():null),s.drawArrays(C,0,y.getElementCount())}}},t.setMapperShaderParameters=(n,a,i)=>{if(n.getCABO().getElementCount()&&(e.glyphBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){n.getProgram().isAttributeUsed("gMatrix")?n.getVAO().addAttributeMatrixWithDivisor(n.getProgram(),e.matrixBuffer,"gMatrix",0,64,e.context.FLOAT,4,!1,1)||Lr("Error setting gMatrix in shader VAO."):n.getVAO().removeAttributeArray("gMatrix"),n.getProgram().isAttributeUsed("gNormal")?n.getVAO().addAttributeMatrixWithDivisor(n.getProgram(),e.normalBuffer,"gNormal",0,36,e.context.FLOAT,3,!1,1)||Lr("Error setting gNormal in shader 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f=e.renderable.getNormalArray(),g=e.renderable.getColorArray();if(e.matrixBuffer||(e.matrixBuffer=Xt.newInstance(),e.matrixBuffer.setOpenGLRenderWindow(e._openGLRenderWindow),e.normalBuffer=Xt.newInstance(),e.normalBuffer.setOpenGLRenderWindow(e._openGLRenderWindow),e.colorBuffer=Xt.newInstance(),e.colorBuffer.setOpenGLRenderWindow(e._openGLRenderWindow),e.pickBuffer=Xt.newInstance(),e.pickBuffer.setOpenGLRenderWindow(e._openGLRenderWindow)),s){const u=i.buffer,l=cp(o,c);Ne(l,l);for(let p=0;p<i.byteLength;p+=zw){const h=new Float32Array(u,p,Ww);X(h,l,h)}}if(e.renderable.getBuildTime().getMTime()>e.glyphBOBuildTime.getMTime()){e.matrixBuffer.upload(i,Ga.ARRAY_BUFFER),e.normalBuffer.upload(f,Ga.ARRAY_BUFFER),g?e.colorBuffer.upload(g.getData(),Ga.ARRAY_BUFFER):e.colorBuffer.releaseGraphicsResources();const u=i.length/16,l=new Uint8Array(4*u);for(let p=0;p<u;++p){let h=p+1;const 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a=e[n],i=n*r;for(let s=0;s<r;s++)t[i+s]=a[s]??a[0]}return t}function OO({colorWindow:t,colorLevel:e,useLookupTableScalarRange:r,colorRange:n,volumeScale:a=1,volumeOffset:i=0}){let s=t,o=e;return r&&n&&(s=n[1]-n[0],o=.5*(n[1]+n[0])),{colorScale:a/s,colorShift:(i-o)/s+.5}}function EO({pwfRange:t,volumeScale:e=1,volumeOffset:r=0}){if(!t)return{opacityScale:1,opacityShift:0};const n=t[1]-t[0],a=.5*(t[0]+t[1]);return{opacityScale:e/n,opacityShift:(r-a)/n+.5}}var Fr=new Float64Array(9),wt=[0,0,0],Ot=[0,0,0],Bf=$i(),kf=$i();function RO(t,e=[0,0,1]){if(e[0]=0,e[1]=0,e[2]=1,t){const r=t.getNormal();e[0]=r[0],e[1]=r[1],e[2]=r[2]}return De.normalize(e),wt[0]=0,wt[1]=0,wt[2]=0,Ot[0]=0,Ot[1]=0,Ot[2]=0,t?(De.perpendiculars(e,wt,Ot,0),(De.norm(wt)<1e-6||De.norm(Ot)<1e-6)&&(wt[0]=1,wt[1]=0,wt[2]=0,Ot[0]=0,Ot[1]=1,Ot[2]=0)):(wt[0]=1,Ot[1]=1),{planeNormal:e,tangent1:wt,tangent2:Ot}}function Gf(t,e,r,n){Co(Fr,...t.getDirection()),Ut(Fr,Fr),Tr(Bf,e,Fr),Tr(kf,r,Fr);const a=t.getDimensions(),i=t.getSpacing(),s=Math.min(Math.abs(i[0]),Math.abs(i[1]),Math.abs(i[2]));return n[0]=s/(a[0]*Math.abs(i[0])),n[1]=s/(a[1]*Math.abs(i[1])),n[2]=s/(a[2]*Math.abs(i[2])),{tangent1:Bf,tangent2:kf,texelSize:n}}var Ss=[0,0,0];function MO(t){De.normalize(t);for(let e=0;e<3;++e){f1(Ss),Ss[e]=1;const r=De.dot(t,Ss);if(r<-.999999||r>.999999)return[!0,e]}return[!1,2]}function Wp(t,e,r){for(let n=0;n<r;++n)t[3*n]=e[0],t[3*n+1]=e[1],t[3*n+2]=e[2]}function mO(t,e){let r="",n=!0,a=2;const i=e?.getBounds(),s=t.getSlicePolyData();let o=t.getSlicePlane();if(s)r=`PolyData${s.getMTime()}`;else if(o){if(r=`Plane${o.getMTime()}`,e){r=`${r}Image${e.getMTime()}`;const c=Dt();Co(c,...e.getDirection()),Ut(c,c);const f=[...o.getNormal()];Tr(f,f,c),[n,a]=MO(f)}}else{o=bt.newInstance(),o.setNormal(0,0,1);let c=[0,1,0,1,0,1];e&&(c=i),o.setOrigin(c[0],c[2],.5*(c[4]+c[5])),t.setSlicePlane(o),r=`Plane${o.getMTime()}Image${e?.getMTime?.()??0}`}return{resGeomString:r,slicePD:s,slicePlane:o,orthoSlicing:n,orthoAxis:a}}function DO(t,e,r,n,a){r.setInputData(t),n.setInputConnection(r.getOutputPort()),n.setCutFunction(e),a.setInputConnection(n.getOutputPort()),a.update();const i=a.getOutputData(),s=i.getPoints().getData(),o=i.getPolys().getData(),c=[...e.getNormal()];De.normalize(c);const f=i.getPoints().getNumberOfPoints(),g=new Float32Array(f*3);return Wp(g,c,f),{points:s,polys:o,normalsData:g}}function VO(t,e,r,n){const a=new Float32Array(12),i=t.worldToIndex(e.getOrigin(),[0,0,0]),s=[(r+1)%3,(r+2)%3].sort(),o=t.getSpatialExtent();let c=0;for(let l=0;l<2;++l)for(let p=0;p<2;++p)a[c+r]=i[r],a[c+s[0]]=o[2*s[0]+p],a[c+s[1]]=o[2*s[1]+l],c+=3;n.setMatrix(t.getIndexToWorld()),n.transformPoints(a,a);const f=new Uint16Array([3,0,1,3,3,0,3,2]),g=[...e.getNormal()];De.normalize(g);const u=new Float32Array(12);return Wp(u,g,4),{points:a,polys:f,normalsData:u}}function xn(t,e,r){return t.length>0?`${t.map(n=>n?.getMTime()??"x").join("/")}-${e}-${r}`:"0"}function ic(t,e){return`${e.getMTime()}`}var LO=`//VTK::System::Dec
-
-/*=========================================================================
-
-  Program:   Visualization Toolkit
-  Module:    vtkImageResliceMapperVS.glsl
-
-  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-  All rights reserved.
-  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notice for more information.
-
-=========================================================================*/
-
-// all variables that represent positions or directions have a suffix
-// indicating the coordinate system they are in. The possible values are
-// MC - Model coordinates
-// WC - World coordinates
-// VC - View coordinates
-// DC - Display coordinates
-// TC - Texture coordinates
-
-// frag position in VC
-//VTK::PositionVC::Dec
-
-// Texture coordinates
-//VTK::TCoord::Dec
-
-// picking support
-//VTK::Picking::Dec
-
-// camera and actor matrix values
-//VTK::Camera::Dec
-
-void main()
-{
-  //VTK::PositionVC::Impl
-
-  //VTK::TCoord::Impl
-
-  //VTK::Picking::Impl
-}
-`,FO=`//VTK::System::Dec
-
-/*=========================================================================
-
-  Program:   Visualization Toolkit
-  Module:    vtkImageResliceMapperFS.glsl
-
-  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-  All rights reserved.
-  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notice for more information.
-
-=========================================================================*/
-// Template for the gpu image mapper fragment shader
-
-// VC position of this fragment
-//VTK::PositionVC::Dec
-
-// Texture coordinates
-//VTK::TCoord::Dec
-
-// picking support
-//VTK::Picking::Dec
-
-// handle coincident offsets
-//VTK::Coincident::Dec
-
-//VTK::ZBuffer::Dec
-
-// the output of this shader
-//VTK::Output::Dec
-
-void main()
-{
-  // VC position of this fragment. This should not branch/return/discard.
-  //VTK::PositionVC::Impl
-
-  // Place any calls that require uniform flow (e.g. dFdx) here.
-  //VTK::UniformFlow::Impl
-
-  // Set gl_FragDepth here (gl_FragCoord.z by default)
-  //VTK::Depth::Impl
-
-  // Early depth peeling abort:
-  //VTK::DepthPeeling::PreColor
-
-  //VTK::TCoord::Impl
-
-  if (gl_FragData[0].a <= 0.0)
-    {
-    discard;
-    }
-
-  //VTK::DepthPeeling::Impl
-
-  //VTK::Picking::Impl
-
-  // handle coincident offsets
-  //VTK::Coincident::Impl
-
-  //VTK::ZBuffer::Impl
-
-  //VTK::RenderPassFragmentShader::Impl
-}
-`,Xn={NEAREST:0,LINEAR:1},_O={InterpolationType:Xn},{vtkErrorMacro:Ln}=ke,Uf=t=>t.split(`
-`).map(e=>e.trim()).filter(Boolean);function bf(t,e,r){return e.identity(r),t.reduce((n,a,i)=>i===0?a?e.copy(n,a):e.identity(n):a?e.multiply(n,n,a):n,r)}function NO(t,e){e.classHierarchy.push("vtkOpenGLImageResliceMapper");const r=new Map;function n(p,h){if(!h)return;const v=(r.get(h)??0)-1;v<=0?(p.unregisterGraphicsResourceUser(h,t),r.delete(h)):r.set(h,v)}function a(p,h){if(!h)return;const v=r.get(h)??0,y=v+1;r.set(h,y),v<=0&&p.registerGraphicsResourceUser(h,t)}function i(p,h,v){h!==v&&(n(p,h),a(p,v))}function s(p){[...r.keys()].forEach(h=>p.unregisterGraphicsResourceUser(h,t))}t.buildPass=p=>{if(p){e.currentRenderPass=null,e._openGLImageSlice=t.getFirstAncestorOfType("vtkOpenGLImageSlice"),e._openGLRenderer=t.getFirstAncestorOfType("vtkOpenGLRenderer");const h=e._openGLRenderer.getRenderable();e._openGLCamera=e._openGLRenderer.getViewNodeFor(h.getActiveCamera(),e.openGLCamera);const v=e._openGLRenderWindow;e._openGLRenderWindow=e._openGLRenderer.getLastAncestorOfType("vtkOpenGLRenderWindow"),v&&!v.isDeleted()&&v!==e._openGLRenderWindow&&s(v),e.context=e._openGLRenderWindow.getContext(),e.tris.setOpenGLRenderWindow(e._openGLRenderWindow)}},t.translucentPass=(p,h)=>{p&&(e.currentRenderPass=h,t.render())},t.zBufferPass=p=>{p&&(e.haveSeenDepthRequest=!0,e.renderDepth=!0,t.render(),e.renderDepth=!1)},t.opaqueZBufferPass=p=>t.zBufferPass(p),t.opaquePass=p=>{p&&t.render()},t.getCoincidentParameters=(p,h)=>e.renderable.getResolveCoincidentTopology()==Ct.PolygonOffset?e.renderable.getCoincidentTopologyPolygonOffsetParameters():null,t.render=()=>{const p=e._openGLImageSlice.getRenderable(),h=e._openGLRenderer.getRenderable();t.renderPiece(h,p)},t.renderPiece=(p,h)=>{t.invokeEvent({type:"StartEvent"}),e.renderable.update();const v=e.renderable.getNumberOfInputPorts();e.currentValidInputs=[];for(let C=0;C<v;++C){const d=e.renderable.getInputData(C);d&&!d.isDeleted()&&e.currentValidInputs.push({imageData:d,inputIndex:C})}const y=e.currentValidInputs.length;if(y<=0){Ln("No input!");return}e.labelOutlineProperties=SO(h,e.currentValidInputs);const T=e.currentValidInputs[0].imageData.getPointData().getScalars();e.multiTexturePerVolumeEnabled=y>1,e.numberOfComponents=e.multiTexturePerVolumeEnabled?y:T.getNumberOfComponents(),t.updateResliceGeometry(),t.renderPieceStart(p,h),t.renderPieceDraw(p,h),t.renderPieceFinish(p,h),t.invokeEvent({type:"EndEvent"})},t.renderPieceStart=(p,h)=>{t.updateBufferObjects(p,h);const v=h.getProperties();e.currentValidInputs.forEach(({inputIndex:y},T)=>{const C=v[y],d=e.scalarTextures[T];!C||!d||(C.getInterpolationType()===Xn.NEAREST?(d.setMinificationFilter(I.NEAREST),d.setMagnificationFilter(I.NEAREST)):(d.setMinificationFilter(I.LINEAR),d.setMagnificationFilter(I.LINEAR)))}),v[e.currentValidInputs[0].inputIndex]?.getInterpolationType()===Xn.NEAREST?(e.colorTexture.setMinificationFilter(I.NEAREST),e.colorTexture.setMagnificationFilter(I.NEAREST),e.pwfTexture.setMinificationFilter(I.NEAREST),e.pwfTexture.setMagnificationFilter(I.NEAREST)):(e.colorTexture.setMinificationFilter(I.LINEAR),e.colorTexture.setMagnificationFilter(I.LINEAR),e.pwfTexture.setMinificationFilter(I.LINEAR),e.pwfTexture.setMagnificationFilter(I.LINEAR)),e.lastBoundBO=null},t.renderPieceDraw=(p,h)=>{const v=e.context,y=e.labelOutlineProperties.length>0,T=[...e.scalarTextures,e.colorTexture,e.pwfTexture];y&&(T.push(e.labelOutlineThicknessTexture),T.push(e.labelOutlineOpacityTexture)),T.forEach(C=>C.activate()),t.updateShaders(e.tris,p,h),v.drawArrays(v.TRIANGLES,0,e.tris.getCABO().getElementCount()),e.tris.getVAO().release(),T.forEach(C=>C.deactivate())},t.renderPieceFinish=(p,h)=>{},t.updateBufferObjects=(p,h)=>{t.getNeedToRebuildBufferObjects(p,h)&&t.buildBufferObjects(p,h)},t.getNeedToRebuildBufferObjects=(p,h)=>{const v=h.getProperty(e.currentValidInputs[0].inputIndex),y=e.labelOutlineProperties.length>0;return e.VBOBuildTime.getMTime()<t.getMTime()||e.VBOBuildTime.getMTime()<h.getMTime()||e.VBOBuildTime.getMTime()<e.renderable.getMTime()||e.VBOBuildTime.getMTime()<v?.getMTime()||e.currentValidInputs.some(({imageData:T})=>e.VBOBuildTime.getMTime()<T.getMTime())||e.VBOBuildTime.getMTime()<e.resliceGeom.getMTime()||e.scalarTextures.length!==e.currentValidInputs.length||!e.scalarTextures.every(T=>!!T?.getHandle())||!e.colorTexture?.getHandle()||!e.pwfTexture?.getHandle()||y&&(!e.labelOutlineThicknessTexture?.getHandle()||!e.labelOutlineOpacityTexture?.getHandle())},t.buildBufferObjects=(p,h)=>{const v=h.getProperties();e.currentValidInputs.forEach(({imageData:F,inputIndex:V},N)=>{const B=F.getPointData().getScalars(),G=e._openGLRenderWindow.getGraphicsResourceForObject(B),U=ic(F,B),_=!G?.oglObject?.getHandle()||G?.hash!==U,b=v[V],$=b?.getUpdatedExtents()??[],W=!!$.length;if(_&&!W){const z=Q.newInstance();z.setOpenGLRenderWindow(e._openGLRenderWindow);const ae=F.getDimensions();z.setOglNorm16Ext(e.context.getExtension("EXT_texture_norm16")),z.resetFormatAndType(),z.create3DFilterableFromDataArray({width:ae[0],height:ae[1],depth:ae[2],dataArray:B}),e._openGLRenderWindow.setGraphicsResourceForObject(B,z,U),e.scalarTextures[N]=z}else e.scalarTextures[N]=G.oglObject;if(W){b.setUpdatedExtents([]);const z=F.getDimensions();e.scalarTextures[N].create3DFilterableFromDataArray({width:z[0],height:z[1],depth:z[2],dataArray:B,updatedExtents:$})}i(e._openGLRenderWindow,e._scalarTexturesCore[N],B),e._scalarTexturesCore[N]=B});const y=v[e.currentValidInputs[0].inputIndex];if(!y){Ln("Missing property for first input");return}const T=y.getIndependentComponents(),C=T?e.numberOfComponents:1,d=T?2*C:1,x=[];for(let F=0;F<C;++F)if(e.multiTexturePerVolumeEnabled){const V=e.currentValidInputs[F],N=V?v[V.inputIndex]:null;x.push(N?.getRGBTransferFunction()||null)}else x.push(y.getRGBTransferFunction(F));const w=xn(x,T,C),S=y.getRGBTransferFunction(),M=e._openGLRenderWindow.getGraphicsResourceForObject(S);if(!M?.oglObject?.getHandle()||M?.hash!==w){let F=e.renderable.getColorTextureWidth();F<=0&&(F=e.context.getParameter(e.context.MAX_TEXTURE_SIZE));const V=F*d*3,N=new Uint8ClampedArray(V),B=Q.newInstance();if(B.setOpenGLRenderWindow(e._openGLRenderWindow),S){const G=new Float32Array(F*3);for(let U=0;U<C;U++){const _=x[U];if(_){const b=_.getRange();if(_.getTable(b[0],b[1],F,G,1),T)for(let $=0;$<F*3;$++)N[U*F*6+$]=255*G[$],N[U*F*6+$+F*3]=255*G[$];else for(let $=0;$<F*3;$++)N[U*F*3+$]=255*G[$]}}B.resetFormatAndType(),B.create2DFromRaw({width:F,height:d,numComps:3,dataType:J.UNSIGNED_CHAR,data:N})}else{for(let G=0;G<F*3;++G){const U=255*G/((F-1)*3);for(let _=0;_<d;++_)N[_*F*3+G+0]=U,N[_*F*3+G+1]=U,N[_*F*3+G+2]=U}B.resetFormatAndType(),B.create2DFromRaw({width:F,height:1,numComps:3,dataType:J.UNSIGNED_CHAR,data:N})}S&&e._openGLRenderWindow.setGraphicsResourceForObject(S,B,w),e.colorTexture=B}else e.colorTexture=M.oglObject;i(e._openGLRenderWindow,e._colorTextureCore,S),e._colorTextureCore=S;const E=[];for(let F=0;F<C;++F)if(e.multiTexturePerVolumeEnabled){const V=e.currentValidInputs[F],N=V?v[V.inputIndex]:null;E.push(N?.getPiecewiseFunction()||null)}else E.push(y.getPiecewiseFunction(F));const R=xn(E,T,C),L=y.getPiecewiseFunction(),D=e._openGLRenderWindow.getGraphicsResourceForObject(L);if(!D?.oglObject?.getHandle()||D?.hash!==R){let F=e.renderable.getOpacityTextureWidth();F<=0&&(F=e.context.getParameter(e.context.MAX_TEXTURE_SIZE));const V=F*d,N=new Uint8ClampedArray(V),B=Q.newInstance();if(B.setOpenGLRenderWindow(e._openGLRenderWindow),L){const G=new Float32Array(V),U=new Float32Array(F);for(let _=0;_<C;++_){const b=E[_];if(b===null)G.fill(1);else{const $=b.getRange();if(b.getTable($[0],$[1],F,U,1),T)for(let W=0;W<F;W++)G[_*F*2+W]=U[W],G[_*F*2+W+F]=U[W];else for(let W=0;W<F;W++)G[W]=U[W]}}B.resetFormatAndType(),B.create2DFromRaw({width:F,height:d,numComps:1,dataType:J.FLOAT,data:G})}else N.fill(255),B.resetFormatAndType(),B.create2DFromRaw({width:F,height:d,numComps:1,dataType:J.UNSIGNED_CHAR,data:N});L&&e._openGLRenderWindow.setGraphicsResourceForObject(L,B,R),e.pwfTexture=B}else e.pwfTexture=D.oglObject;i(e._openGLRenderWindow,e._pwfTextureCore,L),e._pwfTextureCore=L,e.labelOutlineProperties.length>0&&(t.updateLabelOutlineThicknessTexture(e.labelOutlineProperties),t.updateLabelOutlineOpacityTexture(e.labelOutlineProperties));const m=`${e.resliceGeom.getMTime()}A${e.renderable.getSlabThickness()}`;if(!e.tris.getCABO().getElementCount()||e.VBOBuildString!==m){const F=j.newInstance({numberOfComponents:3,values:e.resliceGeom.getPoints().getData()});F.setName("points");const V=j.newInstance({numberOfComponents:1,values:e.resliceGeom.getPolys().getData()}),N={points:F,cellOffset:0};if(e.renderable.getSlabThickness()>0){const B=e.resliceGeom.getPointData().getNormals();B?N.normals=B:Ln("Slab mode requested without normals")}e.tris.getCABO().createVBO(V,"polys",dt.SURFACE,N)}e.VBOBuildString=m,e.VBOBuildTime.modified()},t.updateShaders=(p,h,v)=>{if(e.lastBoundBO=p,t.getNeedToRebuildShaders(p,h,v)){const y={Vertex:null,Fragment:null,Geometry:null};t.buildShaders(y,h,v);const T=e._openGLRenderWindow.getShaderCache().readyShaderProgramArray(y.Vertex,y.Fragment,y.Geometry);T!==p.getProgram()&&(p.setProgram(T),p.getVAO().releaseGraphicsResources()),p.getShaderSourceTime().modified()}else e._openGLRenderWindow.getShaderCache().readyShaderProgram(p.getProgram());p.getVAO().bind(),t.setMapperShaderParameters(p,h,v),t.setCameraShaderParameters(p,h,v),t.setPropertyShaderParameters(p,h,v)},t.setMapperShaderParameters=(p,h,v)=>{const y=p.getProgram(),T=e.currentValidInputs[0].imageData;if(p.getCABO().getElementCount()&&(e.VBOBuildTime.getMTime()>p.getAttributeUpdateTime().getMTime()||p.getShaderSourceTime().getMTime()>p.getAttributeUpdateTime().getMTime())){e.scalarTextures.forEach((d,x)=>{y.setUniformi(`volumeTexture[${x}]`,d.getTextureUnit())}),y.isAttributeUsed("vertexWC")&&(p.getVAO().addAttributeArray(y,p.getCABO(),"vertexWC",p.getCABO().getVertexOffset(),p.getCABO().getStride(),e.context.FLOAT,3,e.context.FALSE)||Ln("Error setting vertexWC in shader VAO.")),y.isAttributeUsed("normalWC")&&(p.getVAO().addAttributeArray(y,p.getCABO(),"normalWC",p.getCABO().getNormalOffset(),p.getCABO().getStride(),e.context.FLOAT,3,e.context.FALSE)||Ln("Error setting normalWC in shader VAO.")),y.isUniformUsed("slabThickness")&&y.setUniformf("slabThickness",e.renderable.getSlabThickness()),y.isUniformUsed("spacing")&&y.setUniform3fv("spacing",T.getSpacing()),y.isUniformUsed("slabType")&&y.setUniformi("slabType",e.renderable.getSlabType()),y.isUniformUsed("slabTrapezoid")&&y.setUniformi("slabTrapezoid",e.renderable.getSlabTrapezoidIntegration());const C=p.getCABO().getCoordShiftAndScaleEnabled()?p.getCABO().getInverseShiftAndScaleMatrix():null;for(let d=0;d<e.currentValidInputs.length;d++){const x=`WCTCMatrix${d}`;if(y.isUniformUsed(x)){const w=e.currentValidInputs[d].imageData,S=w.getDimensions();Ve(e.tmpMat4,w.getIndexToWorld()),_e(e.tmpMat4,e.tmpMat4,[-.5,-.5,-.5]),Qt(e.tmpMat4,e.tmpMat4,S),Ne(e.tmpMat4,e.tmpMat4),C&&X(e.tmpMat4,e.tmpMat4,C),y.setUniformMatrix(x,e.tmpMat4)}}y.isUniformUsed("vboScaling")&&y.setUniform3fv("vboScaling",p.getCABO().getCoordScale()??[1,1,1]),p.getAttributeUpdateTime().modified()}if(e.haveSeenDepthRequest&&p.getProgram().setUniformi("depthRequest",e.renderDepth?1:0),p.getProgram().isUniformUsed("coffset")){const C=t.getCoincidentParameters(h,v);p.getProgram().setUniformf("coffset",C.offset),p.getProgram().isUniformUsed("cfactor")&&p.getProgram().setUniformf("cfactor",C.factor)}},t.setCameraShaderParameters=(p,h,v)=>{const y=e._openGLCamera.getKeyMatrices(h),T=e._openGLImageSlice.getKeyMatrices(),C=p.getCABO().getCoordShiftAndScaleEnabled()?p.getCABO().getInverseShiftAndScaleMatrix():null,d=p.getProgram();d.isUniformUsed("MCPCMatrix")&&(K(e.tmpMat4),d.setUniformMatrix("MCPCMatrix",bf([y.wcpc,T.mcwc,C],qr,e.tmpMat4))),d.isUniformUsed("MCVCMatrix")&&(K(e.tmpMat4),d.setUniformMatrix("MCVCMatrix",bf([y.wcvc,T.mcwc,C],qr,e.tmpMat4)))},t.setPropertyShaderParameters=(p,h,v)=>{const y=p.getProgram(),T=v.getProperty(e.currentValidInputs[0].inputIndex),C=e.multiTexturePerVolumeEnabled?1:T.getOpacity();y.setUniformf("opacity",C);const d=e.numberOfComponents,x=T.getIndependentComponents(),w=e.multiTexturePerVolumeEnabled,S=v.getProperties();if(x)for(let R=0;R<d;++R){const L=w?S[e.currentValidInputs[R].inputIndex]:T;y.setUniformf(`mix${R}`,L.getComponentWeight(0))}for(let R=0;R<d;R++){const L=w?R:0,D=w?0:R,m=e.scalarTextures[L].getVolumeInfo(),F=m.scale[D],V=m.offset[D],N=x?R:0,B=w?S[e.currentValidInputs[R].inputIndex]:T,G=B.getColorWindow(),U=B.getColorLevel(),_=B.getRGBTransferFunction(w?0:N),{colorScale:b,colorShift:$}=OO({colorWindow:G,colorLevel:U,useLookupTableScalarRange:B.getUseLookupTableScalarRange(),colorRange:_?.getRange?.(),volumeScale:F,volumeOffset:V});y.setUniformf(`cshift${R}`,$),y.setUniformf(`cscale${R}`,b);const{opacityScale:W,opacityShift:z}=EO({pwfRange:B.getPiecewiseFunction(w?0:N)?.getRange?.(),volumeScale:F,volumeOffset:V});y.setUniformf(`pwfshift${R}`,z),y.setUniformf(`pwfscale${R}`,W)}const M=e.colorTexture.getTextureUnit();y.setUniformi("colorTexture1",M);const E=e.pwfTexture.getTextureUnit();if(y.setUniformi("pwfTexture1",E),y.setUniform4fv("backgroundColor",e.renderable.getBackgroundColor()),e.labelOutlineProperties.length>0){const R=e.labelOutlineThicknessTexture.getTextureUnit();y.setUniformi("labelOutlineThicknessTexture",R);const L=e.labelOutlineOpacityTexture.getTextureUnit();y.setUniformi("labelOutlineOpacityTexture",L);let D=e.renderable.getLabelOutlineTextureWidth();D<=0&&(D=e.context.getParameter(e.context.MAX_TEXTURE_SIZE)),y.setUniformf("labelOutlineTextureWidth",D),y.setUniformf("numLabelmaps",e.labelOutlineProperties.length);const{tangent1:m,tangent2:F}=RO(e.renderable.getSlicePlane());for(let V=0;V<e.currentValidInputs.length;V++){const N=e.currentValidInputs[V].imageData,{tangent1:B,tangent2:G}=Gf(N,m,F,e._tmpTexelSize),U=`outlineTangent1_${V}`,_=`outlineTangent2_${V}`;y.isUniformUsed(U)&&y.setUniform3fv(U,B),y.isUniformUsed(_)&&y.setUniform3fv(_,G)}for(let V=0;V<e.currentValidInputs.length;V++){const N=`texelSize${V}`;if(y.isUniformUsed(N)){const B=e.currentValidInputs[V].imageData,{texelSize:G}=Gf(B,m,F,e._tmpTexelSize);y.setUniform3fv(N,G)}}}},t.getNeedToRebuildShaders=(p,h,v)=>{const y=v.getProperty(e.currentValidInputs[0].inputIndex).getIndependentComponents(),T=e.labelOutlineProperties.length>0,C=e.renderable.getSlabThickness(),d=e.renderable.getSlabType(),x=e.renderable.getSlabTrapezoidIntegration();let w=!1;(!e.currentRenderPass&&e.lastRenderPassShaderReplacement||e.currentRenderPass&&e.currentRenderPass.getShaderReplacement()!==e.lastRenderPassShaderReplacement)&&(w=!0);const S=e.currentValidInputs?.length??0;return w||e.lastHaveSeenDepthRequest!==e.haveSeenDepthRequest||e.lastNumberOfComponents!==e.numberOfComponents||e.lastMultiTexturePerVolumeEnabled!==e.multiTexturePerVolumeEnabled||p.getProgram()?.getHandle()===0||e.lastIndependentComponents!==y||e.lastUseLabelOutline!==T||e.lastNumValidInputs!==S||e.lastSlabThickness!==C||e.lastSlabType!==d||e.lastSlabTrapezoidIntegration!==x?(e.lastHaveSeenDepthRequest=e.haveSeenDepthRequest,e.lastNumberOfComponents=e.numberOfComponents,e.lastMultiTexturePerVolumeEnabled=e.multiTexturePerVolumeEnabled,e.lastIndependentComponents=y,e.lastUseLabelOutline=T,e.lastNumValidInputs=S,e.lastSlabThickness=C,e.lastSlabType=d,e.lastSlabTrapezoidIntegration=x,!0):!1},t.getShaderTemplate=(p,h,v)=>{p.Vertex=LO,p.Fragment=FO,p.Geometry=""},t.replaceShaderValues=(p,h,v)=>{if(t.replaceShaderTCoord(p,h,v),t.replaceShaderPositionVC(p,h,v),e.haveSeenDepthRequest){let y=p.Fragment;y=k.substitute(y,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,y=k.substitute(y,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,p.Fragment=y}t.replaceShaderCoincidentOffset(p,h,v)};function o(p,h){const v=["r","g","b","a"],y=Array.from({length:h},(x,w)=>w).filter(x=>!p.includes(x)),T=p.map(x=>`vec3 labelTexCoord${x} = (WCTCMatrix${x} * vec4(fragWorldPos, 1.0)).xyz;`).join(`
-                `),C=p.length===0?"":`float neighborLabel = ${p.map((x,w)=>w===0?`(labelInputIdx == ${w}) ? texture(volumeTexture[${x}], neighborTexCoord).r`:` : (labelInputIdx == ${w}) ? texture(volumeTexture[${x}], neighborTexCoord).r`).join("")} : 0.0;`,d=[...y,...p].map(x=>{const w=p.includes(x),S=p.indexOf(x);return w?`
-        // Process input ${x} as labelmap
-        {
-          float labelValue = tvalue.${v[x]};
-          int segmentIndex = int(labelValue * 255.0);
-
-          if (segmentIndex > 0) {
-            float textureCoordinate = float(segmentIndex - 1) / labelOutlineTextureWidth;
-            float labelmapRow = (float(${S}) + 0.5) / numLabelmaps;
-            float thicknessValue = texture2D(labelOutlineThicknessTexture, vec2(textureCoordinate, labelmapRow)).r;
-            float labelOutlineOpacityValue = texture2D(labelOutlineOpacityTexture, vec2(textureCoordinate, labelmapRow)).r;
-            int actualThickness = int(thicknessValue * 255.0);
-
-            vec3 currentLabelTC = labelTexCoord${x};
-            vec3 currentTexelSize = texelSize${x};
-            vec3 currentTangent1 = outlineTangent1_${x};
-            vec3 currentTangent2 = outlineTangent2_${x};
-
-            bool pixelOnBorder = false;
-            int labelInputIdx = ${S};
-            for (int i = -actualThickness; i <= actualThickness; i++) {
-              for (int j = -actualThickness; j <= actualThickness; j++) {
-                if (i == 0 && j == 0) continue;
-                vec3 neighborTexCoord = currentLabelTC + float(i) * currentTangent1 * currentTexelSize + float(j) * currentTangent2 * currentTexelSize;
-                if (any(greaterThan(neighborTexCoord, vec3(1.0))) || any(lessThan(neighborTexCoord, vec3(0.0)))) {
-                  pixelOnBorder = true;
-                  break;
-                }
-                ${C}
-                if (neighborLabel != labelValue) {
-                  pixelOnBorder = true;
-                  break;
-                }
-              }
-              if (pixelOnBorder) break;
-            }
-
-            if (pixelOnBorder) {
-              convergentColor.rgb = mix(convergentColor.rgb, tcolor${x}.rgb, labelOutlineOpacityValue);
-              convergentColor.a = max(convergentColor.a, labelOutlineOpacityValue);
-            } else if (compWeight${x} > 0.0) {
-              float fillAlpha = compWeight${x} * opacity;
-              convergentColor.rgb = mix(convergentColor.rgb, tcolor${x}.rgb, fillAlpha);
-              convergentColor.a = max(convergentColor.a, fillAlpha);
-            }
-          }
-        }`:`
-        // Process input ${x} as background image
-        {
-          float bgAlpha = compWeight${x} * opacity;
-          convergentColor.rgb = mix(convergentColor.rgb, tcolor${x}.rgb, bgAlpha);
-          convergentColor.a = max(convergentColor.a, bgAlpha);
-        }`}).join(`
-        `);return Uf(`
-      // Multi-texture mode: ${p.length>0?`labelmaps at input${p.length>1?"s":""} ${p.join(", ")}`:"no labelmaps"}, ${y.length>0?`background at input${y.length>1?"s":""} ${y.join(", ")}`:"no background"}
-      vec4 convergentColor = vec4(0.0, 0.0, 0.0, 0.0);
-
-      // Compute labelmap texture coordinates
-      ${T}
-
-      // Process each input in order
-      ${d}
-
-      gl_FragData[0] = convergentColor;
-    `)}function c(){return["vec4 compositeValue(vec4 currVal, vec4 valToComp, int trapezoid)","{","  vec4 retVal = vec4(1.0);","  if (slabType == 0) // min","  {","    retVal = min(currVal, valToComp);","  }","  else if (slabType == 1) // max","  {","    retVal = max(currVal, valToComp);","  }","  else if (slabType == 3) // sum","  {","    retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); ","  }","  else // mean","  {","    retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); ","  }","  return retVal;","}"]}function f(){return["// Get the first and last samples","int numSlices = 1;","float scaling = min(min(spacing.x, spacing.y), spacing.z) * 0.5;","vec3 slabNormal = normalize(normalWCVSOutput);","vec3 normalxspacing = scaling * slabNormal;","float distTraveled = length(normalxspacing);","int trapezoid = 0;","while (distTraveled < slabThickness * 0.5)","{","  distTraveled += length(normalxspacing);","  float fnumSlices = float(numSlices);","  if (distTraveled > slabThickness * 0.5)","  {","    // Before stepping outside the slab, sample at the boundaries","    normalxspacing = slabNormal * slabThickness * 0.5 / fnumSlices;","    trapezoid = slabTrapezoid;","  }","  vec3 worldPosNeg = vertexWCVSOutput.xyz - fnumSlices * normalxspacing * vboScaling;","  vec3 fragTCoordNeg = (WCTCMatrix0 * vec4(worldPosNeg, 1.0)).xyz;","  if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))","  {","    vec4 newVal = rawSampleTexture(worldPosNeg);","    tvalue = compositeValue(tvalue, newVal, trapezoid);","    numSlices += 1;","  }","  vec3 worldPosPos = vertexWCVSOutput.xyz + fnumSlices * normalxspacing * vboScaling;","  vec3 fragTCoordPos = (WCTCMatrix0 * vec4(worldPosPos, 1.0)).xyz;","  if (!any(greaterThan(fragTCoordPos, vec3(1.0))) && !any(lessThan(fragTCoordPos, vec3(0.0))))","  {","    vec4 newVal = rawSampleTexture(worldPosPos);","    tvalue = compositeValue(tvalue, newVal, trapezoid);","    numSlices += 1;","  }","}","// Finally, if slab type is *mean*, divide the sum by the numSlices","if (slabType == 2)","{","  tvalue = tvalue / float(numSlices);","}"]}function g(p,h){const v=[];for(let y=0;y<p;y++)h(y)&&v.push(y);return v}t.replaceShaderTCoord=(p,h,v)=>{let y=p.Vertex;const T=p.Geometry;let C=p.Fragment;const d=e.labelOutlineProperties.length>0,x=e.renderable.getSlabThickness();y=k.substitute(y,"//VTK::TCoord::Dec",[]).result,y=k.substitute(y,"//VTK::TCoord::Impl",[]).result;const w=e.numberOfComponents,S=v.getProperty(e.currentValidInputs[0].inputIndex).getIndependentComponents(),M=e.scalarTextures.length;let E=[`uniform highp sampler3D volumeTexture[${M}];`,"uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;"];for(let L=0;L<M;L++)E.push(`uniform mat4 WCTCMatrix${L};`);if(d){E=E.concat(["uniform sampler2D labelOutlineThicknessTexture;","uniform sampler2D labelOutlineOpacityTexture;","uniform float labelOutlineTextureWidth;","uniform float numLabelmaps;"]);for(let L=0;L<M;L++)E.push(`uniform vec3 outlineTangent1_${L};`),E.push(`uniform vec3 outlineTangent2_${L};`),E.push(`uniform vec3 texelSize${L};`)}if(E.push("vec4 rawSampleTexture(vec3 worldPos) {"),!e.multiTexturePerVolumeEnabled)E.push("vec3 tc0 = (WCTCMatrix0 * vec4(worldPos, 1.0)).xyz;","return texture(volumeTexture[0], tc0);","}");else{E.push("vec4 rawSample;");for(let L=0;L<M;++L)E.push(`vec3 tc${L} = (WCTCMatrix${L} * vec4(worldPos, 1.0)).xyz;`,`rawSample[${L}] = texture(volumeTexture[${L}], tc${L})[0];`);E.push("return rawSample;","}")}if(S){for(let L=1;L<w;L++)E=E.concat([`uniform float cshift${L};`,`uniform float cscale${L};`,`uniform float pwfshift${L};`,`uniform float pwfscale${L};`]);switch(w){case 1:E=E.concat(["uniform float mix0;","#define height0 0.5"]);break;case 2:E=E.concat(["uniform float mix0;","uniform float mix1;","#define height0 0.25","#define height1 0.75"]);break;case 3:E=E.concat(["uniform float mix0;","uniform float mix1;","uniform float mix2;","#define height0 0.17","#define height1 0.5","#define height2 0.83"]);break;case 4:E=E.concat(["uniform float mix0;","uniform float mix1;","uniform float mix2;","uniform float mix3;","#define height0 0.125","#define height1 0.375","#define height2 0.625","#define height3 0.875"]);break;default:Ln("Unsupported number of independent coordinates.")}}x>0&&(E=E.concat(["uniform vec3 spacing;","uniform float slabThickness;","uniform int slabType;","uniform int slabTrapezoid;","uniform vec3 vboScaling;"]),E=E.concat(c())),C=k.substitute(C,"//VTK::TCoord::Dec",E).result;let R=["vec3 fragWorldPos = vertexWCVSOutput.xyz;","vec3 fragTexCoord = (WCTCMatrix0 * vec4(fragWorldPos, 1.0)).xyz;","if (any(greaterThan(fragTexCoord, vec3(1.0))) || any(lessThan(fragTexCoord, vec3(0.0))))","{","  // set the background color and exit","  gl_FragData[0] = backgroundColor;","  return;","}","vec4 tvalue = rawSampleTexture(fragWorldPos);"];if(x>0&&(R=R.concat(f())),S){const L=["r","g","b","a"];for(let F=0;F<w;++F)R=R.concat([`vec3 tcolor${F} = texture2D(colorTexture1, vec2(tvalue.${L[F]} * cscale${F} + cshift${F}, height${F})).rgb;`,`float compWeight${F} = mix${F} * texture2D(pwfTexture1, vec2(tvalue.${L[F]} * pwfscale${F} + pwfshift${F}, height${F})).r;`]);const D=d?g(w,F=>v.getProperty(e.currentValidInputs[F].inputIndex)?.getUseLabelOutline()):[],m=F=>{if(F===1)return["gl_FragData[0] = vec4(tcolor0.rgb, compWeight0 * opacity);"];const V=Array.from({length:F},(G,U)=>U),N=V.map(G=>`compWeight${G}`).join(" + "),B=V.map(G=>`(tcolor${G}.rgb * (compWeight${G} / weightSum))`).join(" + ");return[`float weightSum = ${N};`,`gl_FragData[0] = vec4(vec3(${B}), opacity);`]};D.length>0?R=R.concat(o(D,w)):R=R.concat(m(w))}else switch(w){case 1:d?R=R.concat([...Uf(`
-                // Label outline mode for single component
-                float centerValue = tvalue.r;
-                int segmentIndex = int(centerValue * 255.0);
-
-                // Skip background (segment 0)
-                if (segmentIndex == 0) {
-                  gl_FragData[0] = vec4(0.0, 0.0, 0.0, 0.0);
-                  return;
-                }
-
-                // Get outline parameters for this segment (row 0 for single labelmap)
-                float textureCoordinate = float(segmentIndex - 1) / labelOutlineTextureWidth;
-                float labelmapRow = 0.5 / numLabelmaps;
-                float thicknessValue = texture2D(labelOutlineThicknessTexture, vec2(textureCoordinate, labelmapRow)).r;
-                float outlineOpacity = texture2D(labelOutlineOpacityTexture, vec2(textureCoordinate, labelmapRow)).r;
-                int actualThickness = int(thicknessValue * 255.0);
-
-                // Get color for this segment
-                vec3 tColor = texture2D(colorTexture1, vec2(centerValue * cscale0 + cshift0, 0.5)).rgb;
-                float scalarOpacity = texture2D(pwfTexture1, vec2(centerValue * pwfscale0 + pwfshift0, 0.5)).r;
-                float opacityToUse = scalarOpacity * opacity;
-
-                // Check neighbors for border detection
-                bool pixelOnBorder = false;
-                for (int i = -actualThickness; i <= actualThickness; i++) {
-                  for (int j = -actualThickness; j <= actualThickness; j++) {
-                    if (i == 0 && j == 0) {
-                      continue;
-                    }
-                    // Sample neighbor using tangent vectors in texture space
-                    vec3 neighborTexCoord = fragTexCoord + float(i) * outlineTangent1_0 * texelSize0 + float(j) * outlineTangent2_0 * texelSize0;
-
-                    // Skip if outside texture bounds
-                    if (any(greaterThan(neighborTexCoord, vec3(1.0))) || any(lessThan(neighborTexCoord, vec3(0.0)))) {
-                      pixelOnBorder = true;
-                      break;
-                    }
-
-                    float neighborValue = texture(volumeTexture[0], neighborTexCoord).r;
-                    if (neighborValue != centerValue) {
-                      pixelOnBorder = true;
-                      break;
-                    }
-                  }
-                  if (pixelOnBorder) {
-                    break;
-                  }
-                }
-
-                if (pixelOnBorder) {
-                  gl_FragData[0] = vec4(tColor, outlineOpacity);
-                } else {
-                  gl_FragData[0] = vec4(tColor, opacityToUse);
-                }
-              `)]):R=R.concat(["// Dependent components","float intensity = tvalue.r;","vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;","float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;","gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);"]);break;case 2:R=R.concat(["float intensity = tvalue.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tvalue.g + pwfshift0);"]);break;case 3:R=R.concat(["vec4 tcolor = cscale0*tvalue + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]);break;default:R=R.concat(["vec4 tcolor = cscale0*tvalue + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"])}C=k.substitute(C,"//VTK::TCoord::Impl",R).result,p.Vertex=y,p.Fragment=C,p.Geometry=T},t.replaceShaderPositionVC=(p,h,v)=>{let y=p.Vertex;const T=p.Geometry;let C=p.Fragment;const d=e.renderable.getSlabThickness();let x=["attribute vec4 vertexWC;","varying vec4 vertexWCVSOutput;"];x=x.concat([`//${t.getMTime()}${e.resliceGeomUpdateString}`]),d>0&&(x=x.concat(["attribute vec3 normalWC;","varying vec3 normalWCVSOutput;"])),y=k.substitute(y,"//VTK::PositionVC::Dec",x).result;let w=["gl_Position = MCPCMatrix * vertexWC;","vertexWCVSOutput = vertexWC;"];d>0&&(w=w.concat(["normalWCVSOutput = normalWC;"])),y=k.substitute(y,"//VTK::PositionVC::Impl",w).result,y=k.substitute(y,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result;let S=["varying vec4 vertexWCVSOutput;"];d>0&&(S=S.concat(["varying vec3 normalWCVSOutput;"])),C=k.substitute(C,"//VTK::PositionVC::Dec",S).result,p.Vertex=y,p.Geometry=T,p.Fragment=C},t.updateResliceGeometry=()=>{const p=e.currentValidInputs[0].imageData,{resGeomString:h,slicePD:v,slicePlane:y,orthoSlicing:T,orthoAxis:C}=mO(e.renderable,p);if(!e.resliceGeom||e.resliceGeomUpdateString!==h){if(v)e.resliceGeom||(e.resliceGeom=ze.newInstance()),e.resliceGeom.getPoints().setData(v.getPoints().getData(),3),e.resliceGeom.getPolys().setData(v.getPolys().getData(),1),e.resliceGeom.getPointData().setNormals(v.getPointData().getNormals());else if(y)if(e.resliceGeom||(e.resliceGeom=ze.newInstance()),T){const{points:d,polys:x,normalsData:w}=VO(p,y,C,e.transform);e.resliceGeom.getPoints().setData(d,3),e.resliceGeom.getPolys().setData(x,1);const S=j.newInstance({numberOfComponents:3,values:w,name:"Normals"});e.resliceGeom.getPointData().setNormals(S)}else{const{points:d,polys:x,normalsData:w}=DO(p,y,e.outlineFilter,e.cutter,e.lineToSurfaceFilter);e.resliceGeom.getPoints().setData(d,3),e.resliceGeom.getPolys().setData(x,1);const S=j.newInstance({numberOfComponents:3,values:w,name:"Normals"});e.resliceGeom.getPointData().setNormals(S)}else Ln("Something went wrong.","A default slice plane should have been created in the beginning of","updateResliceGeometry.");e.resliceGeomUpdateString=h,e.resliceGeom?.modified()}};function u(p,h,v){const{width:y,height:T}=Nf(p.map(w=>({property:w})),w=>w);let C=e.renderable.getLabelOutlineTextureWidth();C<=0&&(C=Math.max(y,e.context.getParameter(e.context.MAX_TEXTURE_SIZE)));const d=new h(C*T);wO(d,p,C);const x=Q.newInstance({resizable:!1});return x.setOpenGLRenderWindow(e._openGLRenderWindow),x.resetFormatAndType(),x.setMinificationFilter(I.NEAREST),x.setMagnificationFilter(I.NEAREST),x.create2DFromRaw({width:C,height:T,numComps:1,dataType:v,data:d}),x}function l(p,h,v,y,T){const{hash:C}=Nf(p.map(d=>({property:d})),d=>d);C!==e[y]&&(e[y]=C,e[T]&&e[T].releaseGraphicsResources(),e[T]=u(p,h,v))}t.updateLabelOutlineThicknessTexture=p=>{l(p.map(({property:h})=>h.getLabelOutlineThicknessByReference()),Uint8Array,J.UNSIGNED_CHAR,"_labelOutlineThicknessHash","labelOutlineThicknessTexture")},t.updateLabelOutlineOpacityTexture=p=>{l(p.map(({property:h})=>{let v=h.getLabelOutlineOpacity();return typeof v=="number"&&(v=[v]),v}),Float32Array,J.FLOAT,"_labelOutlineOpacityHash","labelOutlineOpacityTexture")},t.setScalarTextures=p=>{e.scalarTextures=[...p],e._externalOpenGLTexture=!0},t.delete=Sn(()=>{e._openGLRenderWindow&&s(e._openGLRenderWindow),e.labelOutlineThicknessTexture&&(e.labelOutlineThicknessTexture.releaseGraphicsResources(),e.labelOutlineThicknessTexture=null),e.labelOutlineOpacityTexture&&(e.labelOutlineOpacityTexture.releaseGraphicsResources(),e.labelOutlineOpacityTexture=null)},t.delete)}var BO={VBOBuildTime:{},VBOBuildString:null,haveSeenDepthRequest:!1,lastHaveSeenDepthRequest:!1,lastIndependentComponents:!1,lastUseLabelOutline:!1,lastNumValidInputs:0,lastNumberOfComponents:0,lastMultiTexturePerVolumeEnabled:!1,lastSlabThickness:0,lastSlabTrapezoidIntegration:0,lastSlabType:-1,scalarTextures:[],_scalarTexturesCore:[],colorTexture:null,_colorTextureCore:null,pwfTexture:null,_pwfTextureCore:null,labelOutlineProperties:[],labelOutlineThicknessTexture:null,_labelOutlineThicknessHash:null,labelOutlineOpacityTexture:null,_labelOutlineOpacityHash:null,_externalOpenGLTexture:!1,resliceGeom:null,resliceGeomUpdateString:null,tris:null};function kO(t,e,r={}){Object.assign(e,BO,r),Fe.extend(t,e,r),$t.implementReplaceShaderCoincidentOffset(t,e,r),$t.implementBuildShadersWithReplacements(t,e,r),e.tris=ft.newInstance(),e.scalarTextures=[],e.colorTexture=null,e.pwfTexture=null,e.VBOBuildTime={},ye(e.VBOBuildTime),e.tmpMat4=K(new Float64Array(16)),e._tmpTexelSize=[0,0,0],e.outlineFilter=vO.newInstance(),e.outlineFilter.setGenerateFaces(!0),e.outlineFilter.setGenerateLines(!1),e.cubePolyData=ze.newInstance(),e.cutter=nO.newInstance(),e.lineToSurfaceFilter=Zw.newInstance(),e.transform=CO.newInstance(),We(t,e,["scalarTextures"]),NO(t,e)}var GO=ce(kO,"vtkOpenGLImageResliceMapper");Oe("vtkImageResliceMapper",GO);var UO={NONE:-1,I:0,J:1,K:2,X:3,Y:4,Z:5},sc={SlicingMode:UO},{vtkErrorMacro:tr}=ke,{SlicingMode:Je}=sc;function bO(t){const e=t.split(`
-`),r=[];for(let n=0;n<e.length;++n){const a=e[n].trim();a.length>0&&r.push(a)}return r}function $O(t,e){e.classHierarchy.push("vtkOpenGLImageMapper");function r(n){e.openGLTexture.releaseGraphicsResources(n),[e._colorTransferFunc,e._pwFunc,e._labelOutlineThicknessArray,e._labelOutlineOpacity].forEach(a=>n.unregisterGraphicsResourceUser(a,t))}t.buildPass=n=>{if(n){e.currentRenderPass=null,e.openGLImageSlice=t.getFirstAncestorOfType("vtkOpenGLImageSlice"),e._openGLRenderer=t.getFirstAncestorOfType("vtkOpenGLRenderer");const a=e._openGLRenderWindow;e._openGLRenderWindow=e._openGLRenderer.getLastAncestorOfType("vtkOpenGLRenderWindow"),a&&!a.isDeleted()&&a!==e._openGLRenderWindow&&r(a),e.context=e._openGLRenderWindow.getContext(),e.tris.setOpenGLRenderWindow(e._openGLRenderWindow);const i=e._openGLRenderer.getRenderable();e.openGLCamera=e._openGLRenderer.getViewNodeFor(i.getActiveCamera(),e.openGLCamera),e.renderable.isA("vtkImageMapper")&&e.renderable.getSliceAtFocalPoint()&&e.renderable.setSliceFromCamera(i.getActiveCamera())}},t.translucentPass=(n,a)=>{n&&(e.currentRenderPass=a,t.render())},t.zBufferPass=n=>{n&&(e.haveSeenDepthRequest=!0,e.renderDepth=!0,t.render(),e.renderDepth=!1)},t.opaqueZBufferPass=n=>t.zBufferPass(n),t.opaquePass=n=>{n&&t.render()},t.getCoincidentParameters=(n,a)=>e.renderable.getResolveCoincidentTopology()==Ct.PolygonOffset?e.renderable.getCoincidentTopologyPolygonOffsetParameters():null,t.render=()=>{const n=e.openGLImageSlice.getRenderable(),a=e._openGLRenderer.getRenderable();t.renderPiece(a,n)},t.getShaderTemplate=(n,a,i)=>{n.Vertex=nc,n.Fragment=Ta,n.Geometry=""},t.replaceShaderValues=(n,a,i)=>{let s=n.Vertex,o=n.Fragment;s=k.substitute(s,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,s=k.substitute(s,"//VTK::PositionVC::Impl",["  gl_Position = MCPCMatrix * vertexMC;"]).result,s=k.substitute(s,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result,s=k.substitute(s,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result;const c=e.openGLTexture.getComponents(),f=i.getProperty().getIndependentComponents();let g=["varying vec2 tcoordVCVSOutput;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D texture1;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;"];if(i.getProperty().getUseLabelOutline()&&(g=g.concat(["uniform sampler2D labelOutlineTexture1;","uniform sampler2D labelOutlineOpacityTexture1;"])),f){for(let u=1;u<c;u++)g=g.concat([`uniform float cshift${u};`,`uniform float cscale${u};`,`uniform float pwfshift${u};`,`uniform float pwfscale${u};`]);switch(c){case 1:g=g.concat(["uniform float mix0;","#define height0 0.5"]);break;case 2:g=g.concat(["uniform float mix0;","uniform float mix1;","#define height0 0.25","#define height1 0.75"]);break;case 3:g=g.concat(["uniform float mix0;","uniform float mix1;","uniform float mix2;","#define height0 0.17","#define height1 0.5","#define height2 0.83"]);break;case 4:g=g.concat(["uniform float mix0;","uniform float mix1;","uniform float mix2;","uniform float mix3;","#define height0 0.125","#define height1 0.375","#define height2 0.625","#define height3 0.875"]);break;default:tr("Unsupported number of independent coordinates.")}}if(o=k.substitute(o,"//VTK::TCoord::Dec",g).result,i.getProperty().getUseLabelOutline()===!0&&(o=k.substitute(o,"//VTK::LabelOutline::Dec",["uniform float vpWidth;","uniform float vpHeight;","uniform float vpOffsetX;","uniform float vpOffsetY;","uniform mat4 PCWCMatrix;","uniform mat4 vWCtoIDX;","uniform ivec3 imageDimensions;","uniform int sliceAxis;"]).result,o=k.substitute(o,"//VTK::ImageLabelOutlineOn","#define vtkImageLabelOutlineOn").result,o=k.substitute(o,"//VTK::LabelOutlineHelperFunction",["#ifdef vtkImageLabelOutlineOn","vec3 fragCoordToIndexSpace(vec4 fragCoord) {","  vec4 pcPos = vec4(","    (fragCoord.x / vpWidth - vpOffsetX - 0.5) * 2.0,","    (fragCoord.y / vpHeight - vpOffsetY - 0.5) * 2.0,","    (fragCoord.z - 0.5) * 2.0,","    1.0);","","  vec4 worldCoord = PCWCMatrix * pcPos;","  vec4 vertex = (worldCoord/worldCoord.w);","","  vec3 index = (vWCtoIDX * vertex).xyz;","","  // half voxel fix for labelmapOutline","  return (index + vec3(0.5)) / vec3(imageDimensions);","}","vec2 getSliceCoords(vec3 coord, int axis) {","  if (axis == 0) return coord.yz;","  if (axis == 1) return coord.xz;","  if (axis == 2) return coord.xy;","}","#endif"]).result),f){const u=["r","g","b","a"];let l=["vec4 tvalue = texture2D(texture1, tcoordVCVSOutput);"];for(let p=0;p<c;p++)l=l.concat([`vec3 tcolor${p} = mix${p} * texture2D(colorTexture1, vec2(tvalue.${u[p]} * cscale${p} + cshift${p}, height${p})).rgb;`,`float compWeight${p} = mix${p} * texture2D(pwfTexture1, vec2(tvalue.${u[p]} * pwfscale${p} + pwfshift${p}, height${p})).r;`]);switch(c){case 1:l=l.concat(["gl_FragData[0] = vec4(tcolor0.rgb, opacity);"]);break;case 2:l=l.concat(["float weightSum = compWeight0 + compWeight1;","gl_FragData[0] = vec4(vec3((tcolor0.rgb * (compWeight0 / weightSum)) + (tcolor1.rgb * (compWeight1 / weightSum))), opacity);"]);break;case 3:l=l.concat(["float weightSum = compWeight0 + compWeight1 + compWeight2;","gl_FragData[0] = vec4(vec3((tcolor0.rgb * (compWeight0 / weightSum)) + (tcolor1.rgb * (compWeight1 / weightSum)) + (tcolor2.rgb * (compWeight2 / weightSum))), opacity);"]);break;case 4:l=l.concat(["float weightSum = compWeight0 + compWeight1 + compWeight2 + compWeight3;","gl_FragData[0] = vec4(vec3((tcolor0.rgb * (compWeight0 / weightSum)) + (tcolor1.rgb * (compWeight1 / weightSum)) + (tcolor2.rgb * (compWeight2 / weightSum)) + (tcolor3.rgb * (compWeight3 / weightSum))), opacity);"]);break;default:tr("Unsupported number of independent coordinates.")}o=k.substitute(o,"//VTK::TCoord::Impl",l).result}else switch(c){case 1:o=k.substitute(o,"//VTK::TCoord::Impl",[...bO(`
-                #ifdef vtkImageLabelOutlineOn
-                  vec3 centerPosIS = fragCoordToIndexSpace(gl_FragCoord);
-                  float centerValue = texture2D(texture1, getSliceCoords(centerPosIS, sliceAxis)).r;
-                  bool pixelOnBorder = false;
-                  vec3 tColor = texture2D(colorTexture1, vec2(centerValue * cscale0 + cshift0, 0.5)).rgb;
-                  float scalarOpacity = texture2D(pwfTexture1, vec2(centerValue * pwfscale0 + pwfshift0, 0.5)).r;
-                  float opacityToUse = scalarOpacity * opacity;
-                  int segmentIndex = int(centerValue * 255.0);
-                  float textureCoordinate = float(segmentIndex - 1) / 1024.0;
-                  float textureValue = texture2D(labelOutlineTexture1, vec2(textureCoordinate, 0.5)).r;
-                  float outlineOpacity = texture2D(labelOutlineOpacityTexture1, vec2(textureCoordinate, 0.5)).r;
-                  int actualThickness = int(textureValue * 255.0);
-
-                  if (segmentIndex == 0){
-                    gl_FragData[0] = vec4(0.0, 0.0, 0.0, 0.0);
-                    return;
-                  }
-
-                  for (int i = -actualThickness; i <= actualThickness; i++) {
-                    for (int j = -actualThickness; j <= actualThickness; j++) {
-                      if (i == 0 && j == 0) {
-                        continue;
-                      }
-                      vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),
-                        gl_FragCoord.y + float(j),
-                        gl_FragCoord.z, gl_FragCoord.w);
-                      vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);
-                      float value = texture2D(texture1, getSliceCoords(neighborPosIS, sliceAxis)).r;
-                      if (value != centerValue) {
-                        pixelOnBorder = true;
-                        break;
-                      }
-                    }
-                    if (pixelOnBorder == true) {
-                      break;
-                    }
-                  }
-                  if (pixelOnBorder == true) {
-                    gl_FragData[0] = vec4(tColor, outlineOpacity);
-                  }
-                  else {
-                    gl_FragData[0] = vec4(tColor, opacityToUse);
-                  }
-                #else
-                  float intensity = texture2D(texture1, tcoordVCVSOutput).r;
-                  vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;
-                  float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;
-                  gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);
-                #endif
-                `)]).result;break;case 2:o=k.substitute(o,"//VTK::TCoord::Impl",["vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","float intensity = tcolor.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tcolor.g + pwfshift0);"]).result;break;case 3:o=k.substitute(o,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]).result;break;default:o=k.substitute(o,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"]).result}e.haveSeenDepthRequest&&(o=k.substitute(o,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,o=k.substitute(o,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=s,n.Fragment=o,t.replaceShaderClip(n,a,i),t.replaceShaderCoincidentOffset(n,a,i)},t.replaceShaderClip=(n,a,i)=>{let s=n.Vertex,o=n.Fragment;if(e.renderable.getNumberOfClippingPlanes()){let c=e.renderable.getNumberOfClippingPlanes();c>6&&(ne("OpenGL has a limit of 6 clipping planes"),c=6),s=k.substitute(s,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,s=k.substitute(s,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)","    {","    if (planeNum >= numClipPlanes)","        {","        break;","        }","    clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);","    }"]).result,o=k.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,o=k.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)","    {","    if (planeNum >= numClipPlanes)","        {","        break;","        }","    if (clipDistancesVSOutput[planeNum] < 0.0) discard;","    }"]).result}n.Vertex=s,n.Fragment=o},t.getNeedToRebuildShaders=(n,a,i)=>{const s=e.openGLTexture.getComponents(),o=i.getProperty().getIndependentComponents();let c=!1;return(!e.currentRenderPass&&e.lastRenderPassShaderReplacement||e.currentRenderPass&&e.currentRenderPass.getShaderReplacement()!==e.lastRenderPassShaderReplacement)&&(c=!0),c||e.lastHaveSeenDepthRequest!==e.haveSeenDepthRequest||n.getProgram()?.getHandle()===0||n.getShaderSourceTime().getMTime()<e.renderable.getMTime()||n.getShaderSourceTime().getMTime()<e.currentInput.getMTime()||n.getShaderSourceTime().getMTime()<i.getProperty().getMTime()||e.lastTextureComponents!==s||e.lastIndependentComponents!==o?(e.lastHaveSeenDepthRequest=e.haveSeenDepthRequest,e.lastTextureComponents=s,e.lastIndependentComponents=o,!0):!1},t.updateShaders=(n,a,i)=>{if(e.lastBoundBO=n,t.getNeedToRebuildShaders(n,a,i)){const s={Vertex:null,Fragment:null,Geometry:null};t.buildShaders(s,a,i);const o=e._openGLRenderWindow.getShaderCache().readyShaderProgramArray(s.Vertex,s.Fragment,s.Geometry);o!==n.getProgram()&&(n.setProgram(o),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else e._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),t.setMapperShaderParameters(n,a,i),t.setCameraShaderParameters(n,a,i),t.setPropertyShaderParameters(n,a,i)},t.setMapperShaderParameters=(n,a,i)=>{n.getCABO().getElementCount()&&(e.VBOBuildTime>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),e.context.FLOAT,3,e.context.FALSE)||tr("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),e.context.FLOAT,n.getCABO().getTCoordComponents(),e.context.FALSE)||tr("Error setting tcoordMC in shader VAO.")),n.getAttributeUpdateTime().modified());const s=e.openGLTexture.getTextureUnit();n.getProgram().setUniformi("texture1",s);const o=e.openGLTexture.getComponents(),c=i.getProperty().getIndependentComponents();if(c)for(let l=0;l<o;l++)n.getProgram().setUniformf(`mix${l}`,i.getProperty().getComponentWeight(l));const f=e.openGLTexture.getShiftAndScale();for(let l=0;l<o;l++){let p=i.getProperty().getColorWindow(),h=i.getProperty().getColorLevel();const v=c?l:0,y=i.getProperty().getRGBTransferFunction(v);if(y&&i.getProperty().getUseLookupTableScalarRange()){const d=y.getRange();p=d[1]-d[0],h=.5*(d[1]+d[0])}const T=f.scale/p,C=(f.shift-h)/p+.5;n.getProgram().setUniformf(`cshift${l}`,C),n.getProgram().setUniformf(`cscale${l}`,T)}for(let l=0;l<o;l++){let p=1,h=0;const v=c?l:0,y=i.getProperty().getPiecewiseFunction(v);if(y){const T=y.getRange(),C=T[1]-T[0],d=.5*(T[0]+T[1]);p=f.scale/C,h=(f.shift-d)/C+.5}n.getProgram().setUniformf(`pwfshift${l}`,h),n.getProgram().setUniformf(`pwfscale${l}`,p)}if(e.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",e.renderDepth?1:0),n.getProgram().isUniformUsed("coffset")){const l=t.getCoincidentParameters(a,i);n.getProgram().setUniformf("coffset",l.offset),n.getProgram().isUniformUsed("cfactor")&&n.getProgram().setUniformf("cfactor",l.factor)}const g=e.colorTexture.getTextureUnit();n.getProgram().setUniformi("colorTexture1",g);const u=e.pwfTexture.getTextureUnit();if(n.getProgram().setUniformi("pwfTexture1",u),i.getProperty().getUseLabelOutline()){const l=e.labelOutlineThicknessTexture.getTextureUnit();n.getProgram().setUniformi("labelOutlineTexture1",l);const p=e.labelOutlineOpacityTexture.getTextureUnit();n.getProgram().setUniformi("labelOutlineOpacityTexture1",p)}if(e.renderable.getNumberOfClippingPlanes()){let l=e.renderable.getNumberOfClippingPlanes();l>6&&(ne("OpenGL has a limit of 6 clipping planes"),l=6);const p=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,h=p?Ve(e.imagematinv,i.getMatrix()):i.getMatrix();p&&(ue(h,h),X(h,h,p),ue(h,h)),ue(e.imagemat,e.currentInput.getIndexToWorld()),X(e.imagematinv,h,e.imagemat);const v=[];for(let y=0;y<l;y++){const T=[];e.renderable.getClippingPlaneInDataCoords(e.imagematinv,y,T);for(let C=0;C<4;C++)v.push(T[C])}n.getProgram().setUniformi("numClipPlanes",l),n.getProgram().setUniform4fv("clipPlanes",v)}},t.setCameraShaderParameters=(n,a,i)=>{const s=n.getProgram(),o=e.openGLImageSlice.getKeyMatrices(),c=e.currentInput,f=c.getIndexToWorld();X(e.imagemat,o.mcwc,f);const g=e.openGLCamera.getKeyMatrices(a);if(X(e.imagemat,g.wcpc,e.imagemat),n.getCABO().getCoordShiftAndScaleEnabled()){const u=n.getCABO().getInverseShiftAndScaleMatrix();X(e.imagemat,e.imagemat,u)}if(s.setUniformMatrix("MCPCMatrix",e.imagemat),i.getProperty().getUseLabelOutline()===!0){const u=c.getWorldToIndex(),l=c.getDimensions();let p=e.renderable.getClosestIJKAxis().ijkMode;p===Je.NONE&&(p=Je.K),s.setUniform3i("imageDimensions",l[0],l[1],l[2]),s.setUniformi("sliceAxis",p),s.setUniformMatrix("vWCtoIDX",u);const h=e.openGLCamera.getKeyMatrices(a);Ne(e.projectionToWorld,h.wcpc),e.openGLCamera.getKeyMatrices(a),s.setUniformMatrix("PCWCMatrix",e.projectionToWorld);const v=t.getRenderTargetSize();s.setUniformf("vpWidth",v[0]),s.setUniformf("vpHeight",v[1]);const y=t.getRenderTargetOffset();s.setUniformf("vpOffsetX",y[0]/v[0]),s.setUniformf("vpOffsetY",y[1]/v[1])}},t.setPropertyShaderParameters=(n,a,i)=>{const s=n.getProgram(),o=i.getProperty().getOpacity();s.setUniformf("opacity",o)},t.renderPieceStart=(n,a)=>{t.updateBufferObjects(n,a),e.lastBoundBO=null},t.renderPieceDraw=(n,a)=>{const i=e.context;e.openGLTexture.activate(),e.colorTexture.activate(),a.getProperty().getUseLabelOutline()&&(e.labelOutlineThicknessTexture.activate(),e.labelOutlineOpacityTexture.activate()),e.pwfTexture.activate(),e.tris.getCABO().getElementCount()&&(t.updateShaders(e.tris,n,a),i.drawArrays(i.TRIANGLES,0,e.tris.getCABO().getElementCount()),e.tris.getVAO().release()),e.openGLTexture.deactivate(),e.colorTexture.deactivate(),a.getProperty().getUseLabelOutline()&&(e.labelOutlineThicknessTexture.deactivate(),e.labelOutlineOpacityTexture.deactivate()),e.pwfTexture.deactivate()},t.renderPieceFinish=(n,a)=>{},t.renderPiece=(n,a)=>{if(t.invokeEvent({type:"StartEvent"}),e.renderable.update(),e.currentInput=e.renderable.getCurrentImage(),t.invokeEvent({type:"EndEvent"}),!e.currentInput){tr("No 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m=0;m<l;++m)h.push(f.getRGBTransferFunction(m));const v=xn(h,u,l),y=f.getRGBTransferFunction(),T=e._openGLRenderWindow.getGraphicsResourceForObject(y);if(!T?.oglObject?.getHandle()||T?.hash!==v){e.colorTexture=Q.newInstance({resizable:!0}),e.colorTexture.setOpenGLRenderWindow(e._openGLRenderWindow);let m=e.renderable.getColorTextureWidth();m<=0&&(m=e.context.getParameter(e.context.MAX_TEXTURE_SIZE));const F=m*p*3,V=new Uint8ClampedArray(F);if(g===Xn.NEAREST?(e.colorTexture.setMinificationFilter(I.NEAREST),e.colorTexture.setMagnificationFilter(I.NEAREST)):(e.colorTexture.setMinificationFilter(I.LINEAR),e.colorTexture.setMagnificationFilter(I.LINEAR)),y){const N=new Float32Array(m*3);for(let B=0;B<l;B++){const G=f.getRGBTransferFunction(B),U=G.getRange();if(G.getTable(U[0],U[1],m,N,1),u)for(let _=0;_<m*3;_++)V[B*m*6+_]=255*N[_],V[B*m*6+_+m*3]=255*N[_];else for(let 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Uint8ClampedArray(F);if(e.pwfTexture=Q.newInstance({resizable:!0}),e.pwfTexture.setOpenGLRenderWindow(e._openGLRenderWindow),g===Xn.NEAREST?(e.pwfTexture.setMinificationFilter(I.NEAREST),e.pwfTexture.setMagnificationFilter(I.NEAREST)):(e.pwfTexture.setMinificationFilter(I.LINEAR),e.pwfTexture.setMagnificationFilter(I.LINEAR)),x){const N=new Float32Array(F),B=new Float32Array(m);for(let G=0;G<l;++G){const U=f.getPiecewiseFunction(G);if(U===null)N.fill(1);else{const _=U.getRange();if(U.getTable(_[0],_[1],m,B,1),u)for(let b=0;b<m;b++)N[G*m*2+b]=B[b],N[G*m*2+b+m]=B[b];else for(let b=0;b<m;b++)N[G*m*2+b]=B[b]}}e.pwfTexture.resetFormatAndType(),e.pwfTexture.create2DFromRaw({width:m,height:p,numComps:1,dataType:J.FLOAT,data:N})}else V.fill(255),e.pwfTexture.create2DFromRaw({width:m,height:1,numComps:1,dataType:J.UNSIGNED_CHAR,data:V});x&&(e._openGLRenderWindow.setGraphicsResourceForObject(x,e.pwfTexture,d),x!==e._pwFunc&&(e._openGLRenderWindow.registerGraphicsResourceUser(x,t),e._openGLRenderWindow.unregisterGraphicsResourceUser(e._pwFunc,t)),e._pwFunc=x)}else e.pwfTexture=w.oglObject;a.getProperty().getUseLabelOutline()&&(t.updatelabelOutlineThicknessTexture(a),t.updateLabelOutlineOpacityTexture(a));const{ijkMode:S}=e.renderable.getClosestIJKAxis();let M=e.renderable.getSlice();S!==e.renderable.getSlicingMode()&&(M=e.renderable.getSliceAtPosition(M));const E=e.renderable.isA("vtkImageArrayMapper")?e.renderable.getSubSlice():Math.round(M),R=i.getExtent();let L;S===Je.I&&(L=E-R[0]),S===Je.J&&(L=E-R[2]),(S===Je.K||S===Je.NONE)&&(L=E-R[4]);const D=`${M}A${i.getMTime()}A${s.getMTime()}B${t.getMTime()}C${e.renderable.getSlicingMode()}D${a.getProperty().getInterpolationType()}`;if(e.VBOBuildString!==D){const m=i.getDimensions();e.openGLTexture||(e.openGLTexture=Q.newInstance({resizable:!0})),e.openGLTexture.setOpenGLRenderWindow(e._openGLRenderWindow),e.openGLTexture.setOglNorm16Ext(e.context.getExtension("EXT_texture_norm16")),g===Xn.NEAREST?(new Set([1,3,4]).has(c)&&o===J.UNSIGNED_CHAR&&!u&&e.openGLTexture.setGenerateMipmap(!0),e.openGLTexture.setMinificationFilter(I.NEAREST),e.openGLTexture.setMagnificationFilter(I.NEAREST)):(c===4&&o===J.UNSIGNED_CHAR&&!u?(e.openGLTexture.setGenerateMipmap(!0),e.openGLTexture.setMinificationFilter(I.LINEAR_MIPMAP_LINEAR)):e.openGLTexture.setMinificationFilter(I.LINEAR),e.openGLTexture.setMagnificationFilter(I.LINEAR)),e.openGLTexture.setWrapS(aa.CLAMP_TO_EDGE),e.openGLTexture.setWrapT(aa.CLAMP_TO_EDGE);const F=m[0]*m[1]*c,V=new Float32Array(12),N=new Float32Array(8);for(let ee=0;ee<4;ee++)N[ee*2]=ee%2?1:0,N[ee*2+1]=ee>1?1:0;const B=[Je.X,Je.Y,Je.Z].includes(e.renderable.getSlicingMode())?M:E,G=i.getSpatialExtent(),U=s.getData();let _=null;if(S===Je.I){_=new U.constructor(m[2]*m[1]*c);let ee=0;for(let q=0;q<m[2];q++)for(let oe=0;oe<m[1];oe++){let A=(L+oe*m[0]+q*m[0]*m[1])*c;ee=(q*m[1]+oe)*c;const H=A+c;for(;A<H;)_[ee++]=U[A++]}m[0]=m[1],m[1]=m[2],V[0]=B,V[1]=G[2],V[2]=G[4],V[3]=B,V[4]=G[3],V[5]=G[4],V[6]=B,V[7]=G[2],V[8]=G[5],V[9]=B,V[10]=G[3],V[11]=G[5]}else if(S===Je.J){_=new U.constructor(m[2]*m[0]*c);let ee=0;for(let q=0;q<m[2];q++)for(let oe=0;oe<m[0];oe++){let A=(oe+L*m[0]+q*m[0]*m[1])*c;ee=(q*m[0]+oe)*c;const H=A+c;for(;A<H;)_[ee++]=U[A++]}m[1]=m[2],V[0]=G[0],V[1]=B,V[2]=G[4],V[3]=G[1],V[4]=B,V[5]=G[4],V[6]=G[0],V[7]=B,V[8]=G[5],V[9]=G[1],V[10]=B,V[11]=G[5]}else S===Je.K||S===Je.NONE?(_=U.subarray(L*F,(L+1)*F),V[0]=G[0],V[1]=G[2],V[2]=B,V[3]=G[1],V[4]=G[2],V[5]=B,V[6]=G[0],V[7]=G[3],V[8]=B,V[9]=G[1],V[10]=G[3],V[11]=B):tr("Reformat slicing not yet supported.");const b=s.getRanges();e.openGLTexture.resetFormatAndType(),e.openGLTexture.create2DFilterableFromRaw({width:m[0],height:m[1],numComps:c,dataType:s.getDataType(),data:_,preferSizeOverAccuracy:!!e.renderable.getPreferSizeOverAccuracy?.(),ranges:b}),e.openGLTexture.activate(),e.openGLTexture.sendParameters(),e.openGLTexture.deactivate();const $=j.newInstance({numberOfComponents:3,values:V});$.setName("points");const W=j.newInstance({numberOfComponents:2,values:N});W.setName("tcoords");const z=new Uint16Array(8);z[0]=3,z[1]=0,z[2]=1,z[3]=3,z[4]=3,z[5]=0,z[6]=3,z[7]=2;const ae=j.newInstance({numberOfComponents:1,values:z});e.tris.getCABO().createVBO(ae,"polys",dt.SURFACE,{points:$,tcoords:W,cellOffset:0}),e.VBOBuildTime.modified(),e.VBOBuildString=D}},t.updateLabelOutlineOpacityTexture=n=>{let a=n.getProperty().getLabelOutlineOpacity();typeof a=="number"&&(e._cachedLabelOutlineOpacityObj?.[0]===a?a=e._cachedLabelOutlineOpacityObj:a=[a],e._cachedLabelOutlineOpacityObj=a);const i=e._openGLRenderWindow.getGraphicsResourceForObject(a),s=`${a.join("-")}`;if(!i?.oglObject?.getHandle()||i?.hash!==s){let o=e.renderable.getLabelOutlineTextureWidth();o<=0&&(o=e.context.getParameter(e.context.MAX_TEXTURE_SIZE));const c=1,f=o*c,g=new Float32Array(f);for(let u=0;u<o;++u)g[u]=a[u]??a[0];e.labelOutlineOpacityTexture=Q.newInstance({resizable:!1}),e.labelOutlineOpacityTexture.setOpenGLRenderWindow(e._openGLRenderWindow),e.labelOutlineOpacityTexture.resetFormatAndType(),e.labelOutlineOpacityTexture.setMinificationFilter(I.NEAREST),e.labelOutlineOpacityTexture.setMagnificationFilter(I.NEAREST),e.labelOutlineOpacityTexture.create2DFromRaw({width:o,height:c,numComps:1,dataType:J.FLOAT,data:g}),a&&(e._openGLRenderWindow.setGraphicsResourceForObject(a,e.labelOutlineOpacityTexture,s),a!==e._labelOutlineOpacity&&(e._openGLRenderWindow.registerGraphicsResourceUser(a,t),e._openGLRenderWindow.unregisterGraphicsResourceUser(e._labelOutlineOpacity,t)),e._labelOutlineOpacity=a)}else e.labelOutlineOpacityTexture=i.oglObject},t.updatelabelOutlineThicknessTexture=n=>{const a=n.getProperty().getLabelOutlineThicknessByReference(),i=e._openGLRenderWindow.getGraphicsResourceForObject(a),s=`${a.join("-")}`;if(!i?.oglObject?.getHandle()||i?.hash!==s){let o=e.renderable.getLabelOutlineTextureWidth();o<=0&&(o=e.context.getParameter(e.context.MAX_TEXTURE_SIZE));const c=1,f=o*c,g=new Uint8Array(f);for(let u=0;u<o;++u)g[u]=typeof a[u]<"u"?a[u]:a[0];e.labelOutlineThicknessTexture=Q.newInstance({resizable:!1}),e.labelOutlineThicknessTexture.setOpenGLRenderWindow(e._openGLRenderWindow),e.labelOutlineThicknessTexture.resetFormatAndType(),e.labelOutlineThicknessTexture.setMinificationFilter(I.NEAREST),e.labelOutlineThicknessTexture.setMagnificationFilter(I.NEAREST),e.labelOutlineThicknessTexture.create2DFromRaw({width:o,height:c,numComps:1,dataType:J.UNSIGNED_CHAR,data:g}),a&&(e._openGLRenderWindow.setGraphicsResourceForObject(a,e.labelOutlineThicknessTexture,s),a!==e._labelOutlineThicknessArray&&(e._openGLRenderWindow.registerGraphicsResourceUser(a,t),e._openGLRenderWindow.unregisterGraphicsResourceUser(e._labelOutlineThicknessArray,t)),e._labelOutlineThicknessArray=a)}else e.labelOutlineThicknessTexture=i.oglObject},t.getRenderTargetSize=()=>{if(e._useSmallViewport)return[e._smallViewportWidth,e._smallViewportHeight];const{usize:n,vsize:a}=e._openGLRenderer.getTiledSizeAndOrigin();return[n,a]},t.getRenderTargetOffset=()=>{const{lowerLeftU:n,lowerLeftV:a}=e._openGLRenderer.getTiledSizeAndOrigin();return[n,a]},t.delete=Sn(()=>{e._openGLRenderWindow&&r(e._openGLRenderWindow)},t.delete)}var zO={VBOBuildTime:0,VBOBuildString:null,openGLTexture:null,tris:null,imagemat:null,imagematinv:null,colorTexture:null,pwfTexture:null,labelOutlineThicknessTexture:null,labelOutlineOpacityTexture:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0};function WO(t,e,r={}){Object.assign(e,zO,r),Fe.extend(t,e,r),$t.implementReplaceShaderCoincidentOffset(t,e,r),$t.implementBuildShadersWithReplacements(t,e,r),e.tris=ft.newInstance(),e.imagemat=K(new Float64Array(16)),e.imagematinv=K(new Float64Array(16)),e.projectionToWorld=K(new Float64Array(16)),e.idxToView=K(new Float64Array(16)),e.idxNormalMatrix=ct(new Float64Array(9)),e.modelToView=K(new Float64Array(16)),e.projectionToView=K(new Float64Array(16)),Ce(t,e,[]),e.VBOBuildTime={},ye(e.VBOBuildTime),$O(t,e)}var AO=ce(WO,"vtkOpenGLImageMapper");Oe("vtkAbstractImageMapper",AO);var Fn={MAX:0,MIN:1,AVERAGE:2},{vtkErrorMacro:Ua}=O;function IO(t,e){e.classHierarchy.push("vtkOpenGLImageCPRMapper");function r(n){[e._scalars,e._colorTransferFunc,e._pwFunc].forEach(a=>n.unregisterGraphicsResourceUser(a,t))}t.buildPass=n=>{if(n){e.currentRenderPass=null,e.openGLImageSlice=t.getFirstAncestorOfType("vtkOpenGLImageSlice"),e._openGLRenderer=t.getFirstAncestorOfType("vtkOpenGLRenderer");const a=e._openGLRenderWindow;e._openGLRenderWindow=e._openGLRenderer.getLastAncestorOfType("vtkOpenGLRenderWindow"),a&&!a.isDeleted()&&a!==e._openGLRenderWindow&&r(a),e.context=e._openGLRenderWindow.getContext(),e.openGLCamera=e._openGLRenderer.getViewNodeFor(e._openGLRenderer.getRenderable().getActiveCamera(),e.openGLCamera),e.tris.setOpenGLRenderWindow(e._openGLRenderWindow)}},t.opaquePass=(n,a)=>{n&&(e.currentRenderPass=a,t.render())},t.opaqueZBufferPass=n=>{n&&(e.haveSeenDepthRequest=!0,e.renderDepth=!0,t.render(),e.renderDepth=!1)},t.getCoincidentParameters=(n,a)=>e.renderable.getResolveCoincidentTopology()===Ct.PolygonOffset?e.renderable.getCoincidentTopologyPolygonOffsetParameters():null,t.render=()=>{const n=e.openGLImageSlice.getRenderable(),a=e._openGLRenderer.getRenderable();t.renderPiece(a,n)},t.renderPiece=(n,a)=>{t.invokeEvent({type:"StartEvent"}),e.renderable.update(),t.invokeEvent({type:"EndEvent"}),e.renderable.preRenderCheck()&&(e.currentImageDataInput=e.renderable.getInputData(0),e.currentCenterlineInput=e.renderable.getOrientedCenterline(),t.renderPieceStart(n,a),t.renderPieceDraw(n,a),t.renderPieceFinish(n,a))},t.renderPieceStart=(n,a)=>{t.updateBufferObjects(n,a)},t.renderPieceDraw=(n,a)=>{const i=e.context;e.volumeTexture.activate(),e.colorTexture.activate(),e.pwfTexture.activate(),e.tris.getCABO().getElementCount()&&(t.updateShaders(e.tris,n,a),i.drawArrays(i.TRIANGLES,0,e.tris.getCABO().getElementCount()),e.tris.getVAO().release()),e.volumeTexture.deactivate(),e.colorTexture.deactivate(),e.pwfTexture.deactivate()},t.renderPieceFinish=(n,a)=>{},t.updateBufferObjects=(n,a)=>{t.getNeedToRebuildBufferObjects(n,a)&&t.buildBufferObjects(n,a),a.getProperty().getInterpolationType()===Xn.NEAREST?(e.volumeTexture.setMinificationFilter(I.NEAREST),e.volumeTexture.setMagnificationFilter(I.NEAREST),e.colorTexture.setMinificationFilter(I.NEAREST),e.colorTexture.setMagnificationFilter(I.NEAREST),e.pwfTexture.setMinificationFilter(I.NEAREST),e.pwfTexture.setMagnificationFilter(I.NEAREST)):(e.volumeTexture.setMinificationFilter(I.LINEAR),e.volumeTexture.setMagnificationFilter(I.LINEAR),e.colorTexture.setMinificationFilter(I.LINEAR),e.colorTexture.setMagnificationFilter(I.LINEAR),e.pwfTexture.setMinificationFilter(I.LINEAR),e.pwfTexture.setMagnificationFilter(I.LINEAR))},t.getNeedToRebuildBufferObjects=(n,a)=>{const i=e.VBOBuildTime.getMTime();return i<t.getMTime()||i<e.renderable.getMTime()||i<a.getMTime()||i<e.currentImageDataInput.getMTime()||i<e.currentCenterlineInput.getMTime()||!e.volumeTexture?.getHandle()},t.buildBufferObjects=(n,a)=>{const i=e.currentImageDataInput,s=e.currentCenterlineInput,o=a.getProperty(),c=i?.getPointData()?.getScalars();if(!c)return;const f=e._openGLRenderWindow.getGraphicsResourceForObject(c),g=ic(i,c),u=!f?.oglObject?.getHandle()||f?.hash!==g,l=o.getUpdatedExtents(),p=!!l.length;if(u){e.volumeTexture=Q.newInstance(),e.volumeTexture.setOpenGLRenderWindow(e._openGLRenderWindow);const D=i.getDimensions();e.volumeTexture.setOglNorm16Ext(e.context.getExtension("EXT_texture_norm16")),e.volumeTexture.resetFormatAndType(),e.volumeTexture.create3DFilterableFromDataArray({width:D[0],height:D[1],depth:D[2],dataArray:c,preferSizeOverAccuracy:e.renderable.getPreferSizeOverAccuracy()}),e._openGLRenderWindow.setGraphicsResourceForObject(c,e.volumeTexture,g),c!==e._scalars&&(e._openGLRenderWindow.registerGraphicsResourceUser(c,t),e._openGLRenderWindow.unregisterGraphicsResourceUser(e._scalars,t)),e._scalars=c}else e.volumeTexture=f.oglObject;if(p){o.setUpdatedExtents([]);const D=i.getDimensions();e.volumeTexture.create3DFilterableFromDataArray({width:D[0],height:D[1],depth:D[2],dataArray:c,updatedExtents:l})}const h=c.getNumberOfComponents(),v=a.getProperty(),y=v.getIndependentComponents(),T=y?h:1,C=y?2*T:1,d=[];for(let D=0;D<T;++D)d.push(v.getRGBTransferFunction(D));const x=xn(d,y,T),w=v.getRGBTransferFunction(),S=e._openGLRenderWindow.getGraphicsResourceForObject(w);if(!S?.oglObject?.getHandle()||S?.hash!==x){let D=e.renderable.getColorTextureWidth();D<=0&&(D=e.context.getParameter(e.context.MAX_TEXTURE_SIZE));const m=D*C*3,F=new Uint8ClampedArray(m);if(e.colorTexture=Q.newInstance(),e.colorTexture.setOpenGLRenderWindow(e._openGLRenderWindow),w){const V=new Float32Array(D*3);for(let N=0;N<T;N++){const B=v.getRGBTransferFunction(N),G=B.getRange();if(B.getTable(G[0],G[1],D,V,1),y)for(let U=0;U<D*3;U++)F[N*D*6+U]=255*V[U],F[N*D*6+U+D*3]=255*V[U];else for(let U=0;U<D*3;U++)F[N*D*6+U]=255*V[U]}e.colorTexture.resetFormatAndType(),e.colorTexture.create2DFromRaw({width:D,height:C,numComps:3,dataType:J.UNSIGNED_CHAR,data:F})}else{for(let V=0;V<D*3;++V)F[V]=255*V/((D-1)*3),F[V+1]=255*V/((D-1)*3),F[V+2]=255*V/((D-1)*3);e.colorTexture.resetFormatAndType(),e.colorTexture.create2DFromRaw({width:D,height:1,numComps:3,dataType:J.UNSIGNED_CHAR,data:F})}w&&(e._openGLRenderWindow.setGraphicsResourceForObject(w,e.colorTexture,x),w!==e._colorTransferFunc&&(e._openGLRenderWindow.registerGraphicsResourceUser(w,t),e._openGLRenderWindow.unregisterGraphicsResourceUser(e._colorTransferFunc,t)),e._colorTransferFunc=w)}else e.colorTexture=S.oglObject;const M=[];for(let D=0;D<T;++D)M.push(v.getPiecewiseFunction(D));const E=xn(M,y,T),R=v.getPiecewiseFunction(),L=e._openGLRenderWindow.getGraphicsResourceForObject(R);if(!L?.oglObject?.getHandle()||L?.hash!==E){let D=e.renderable.getOpacityTextureWidth();D<=0&&(D=e.context.getParameter(e.context.MAX_TEXTURE_SIZE));const m=D*C,F=new Uint8ClampedArray(m);if(e.pwfTexture=Q.newInstance(),e.pwfTexture.setOpenGLRenderWindow(e._openGLRenderWindow),R){const V=new Float32Array(m),N=new Float32Array(D);for(let B=0;B<T;++B){const G=v.getPiecewiseFunction(B);if(G===null)V.fill(1);else{const U=G.getRange();if(G.getTable(U[0],U[1],D,N,1),y)for(let _=0;_<D;_++)V[B*D*2+_]=N[_],V[B*D*2+_+D]=N[_];else for(let _=0;_<D;_++)V[B*D*2+_]=N[_]}}e.pwfTexture.resetFormatAndType(),e.pwfTexture.create2DFromRaw({width:D,height:C,numComps:1,dataType:J.FLOAT,data:V})}else F.fill(255),e.pwfTexture.resetFormatAndType(),e.pwfTexture.create2DFromRaw({width:D,height:1,numComps:1,dataType:J.UNSIGNED_CHAR,data:F});R&&(e._openGLRenderWindow.setGraphicsResourceForObject(R,e.pwfTexture,E),R!==e._pwFunc&&(e._openGLRenderWindow.registerGraphicsResourceUser(R,t),e._openGLRenderWindow.unregisterGraphicsResourceUser(e._pwFunc,t)),e._pwFunc=R)}else e.pwfTexture=L.oglObject;if(e.VBOBuildTime.getMTime()<e.renderable.getMTime()||e.VBOBuildTime.getMTime()<s.getMTime()){const D=s.getNumberOfPoints(),m=D<=1?0:D-1,F=s.getDistancesToFirstPoint(),V=e.renderable.getHeight(),N=4*m,B=new Float32Array(3*N),G=e.renderable.getWidth();for(let A=0,H=0;A<m;++A)B.set([0,V-F[A],0],H),H+=3,B.set([G,V-F[A],0],H),H+=3,B.set([G,V-F[A+1],0],H),H+=3,B.set([0,V-F[A+1],0],H),H+=3;const U=j.newInstance({numberOfComponents:3,values:B});U.setName("points");const _=new Uint16Array(5*m);for(let A=0,H=0,le=0;A<m;++A)_.set([4,le+3,le+2,le+1,le],H),H+=5,le+=4;const b=j.newInstance({numberOfComponents:1,values:_}),$=s.getPoints(),W=new Float32Array(3*N),z=new Array(3),ae=new Array(3);for(let A=0,H=0;A<m;++A)$.getPoint(A,z),$.getPoint(A+1,ae),W.set(z,H),H+=3,W.set(z,H),H+=3,W.set(ae,H),H+=3,W.set(ae,H),H+=3;const ee=j.newInstance({numberOfComponents:3,values:W,name:"centerlinePosition"}),q=new Float32Array(N);for(let A=0,H=0;A<m;++A)q.set([0,1,3,2],H),H+=4;const oe=[ee,j.newInstance({numberOfComponents:1,values:q,name:"quadIndex"})];if(!e.renderable.getUseUniformOrientation()){const A=e.renderable.getOrientedCenterline().getOrientations()??[],H=new Float32Array(4*N),le=new Float32Array(4*N);for(let Qe=0;Qe<m;++Qe){const Rr=A[Qe],xt=A[Qe+1];for(let Mr=0;Mr<4;++Mr){const Ca=4*(Mr+4*Qe);H.set(Rr,Ca),le.set(xt,Ca)}}const Er=j.newInstance({numberOfComponents:4,values:H,name:"centerlineTopOrientation"}),wn=j.newInstance({numberOfComponents:4,values:le,name:"centerlineBotOrientation"});oe.push(Er,wn)}e.tris.getCABO().createVBO(b,"polys",dt.SURFACE,{points:U,customAttributes:oe}),e.VBOBuildTime.modified()}},t.getNeedToRebuildShaders=(n,a,i)=>{const s=e.volumeTexture.getComponents(),o=i.getProperty().getIndependentComponents(),c=!!e.renderable.getCenterPoint(),f=e.renderable.getUseUniformOrientation(),g=e.renderable.isProjectionEnabled()&&e.renderable.getProjectionMode();return n.getProgram()===0||e.lastUseCenterPoint!==c||e.lastUseUniformOrientation!==f||e.lastProjectionMode!==g||e.lastHaveSeenDepthRequest!==e.haveSeenDepthRequest||e.lastTextureComponents!==s||e.lastIndependentComponents!==o?(e.lastUseCenterPoint=c,e.lastUseUniformOrientation=f,e.lastProjectionMode=g,e.lastHaveSeenDepthRequest=e.haveSeenDepthRequest,e.lastTextureComponents=s,e.lastIndependentComponents=o,!0):!1},t.buildShaders=(n,a,i)=>{t.getShaderTemplate(n,a,i),t.replaceShaderValues(n,a,i)},t.replaceShaderValues=(n,a,i)=>{let s=n.Vertex,o=n.Fragment;const c=["vec3 applyQuaternionToVec(vec4 q, vec3 v) {","  float uvx = q.y * v.z - q.z * v.y;","  float uvy = q.z * v.x - q.x * v.z;","  float uvz = q.x * v.y - q.y * v.x;","  float uuvx = q.y * uvz - q.z * uvy;","  float uuvy = q.z * uvx - q.x * uvz;","  float uuvz = q.x * uvy - q.y * uvx;","  float w2 = q.w * 2.0;","  uvx *= w2;","  uvy *= w2;","  uvz *= w2;","  uuvx *= 2.0;","  uuvy *= 2.0;","  uuvz *= 2.0;","  return vec3(v.x + uvx + uuvx, v.y + uvy + uuvy, v.z + uvz + uuvz);","}"];s=k.substitute(s,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,s=k.substitute(s,"//VTK::PositionVC::Impl",["  gl_Position = MCPCMatrix * vertexMC;"]).result;const f=["attribute vec3 centerlinePosition;","attribute float quadIndex;","uniform float width;","out vec2 quadOffsetVSOutput;","out vec3 centerlinePosVSOutput;"],g=e.renderable.isProjectionEnabled(),u=e.renderable.getUseUniformOrientation();u?(f.push("out vec3 samplingDirVSOutput;","uniform vec4 centerlineOrientation;","uniform vec3 tangentDirection;",...c),g&&f.push("out vec3 projectionDirVSOutput;","uniform vec3 bitangentDirection;")):f.push("out vec4 centerlineTopOrientationVSOutput;","out vec4 centerlineBotOrientationVSOutput;","attribute vec4 centerlineTopOrientation;","attribute vec4 centerlineBotOrientation;"),s=k.substitute(s,"//VTK::Color::Dec",f).result;const l=["quadOffsetVSOutput = vec2(width * (mod(quadIndex, 2.0) == 0.0 ? -0.5 : 0.5), quadIndex > 1.0 ? 0.0 : 1.0);","centerlinePosVSOutput = centerlinePosition;"];u?(l.push("samplingDirVSOutput = applyQuaternionToVec(centerlineOrientation, tangentDirection);"),g&&l.push("projectionDirVSOutput = applyQuaternionToVec(centerlineOrientation, bitangentDirection);")):l.push("centerlineTopOrientationVSOutput = centerlineTopOrientation;","centerlineBotOrientationVSOutput = centerlineBotOrientation;"),s=k.substitute(s,"//VTK::Color::Impl",l).result;const p=e.volumeTexture.getComponents(),h=i.getProperty().getIndependentComponents();let v=["uniform mat4 MCTCMatrix; // Model coordinates to texture coordinates","in vec2 quadOffsetVSOutput;","in vec3 centerlinePosVSOutput;","uniform highp sampler3D volumeTexture;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;"];g&&v.push("uniform int projectionSlabNumberOfSamples;","uniform float projectionConstantOffset;","uniform float projectionStepLength;"),u?(v.push("in vec3 samplingDirVSOutput;"),g&&v.push("in vec3 projectionDirVSOutput;")):(v.push("uniform vec3 tangentDirection;","in vec4 centerlineTopOrientationVSOutput;","in vec4 centerlineBotOrientationVSOutput;",...c),g&&v.push("uniform vec3 bitangentDirection;"));const y=e.renderable.getCenterPoint();if(y&&v.push("uniform vec3 globalCenterPoint;"),h){for(let C=1;C<p;C++)v=v.concat([`uniform float cshift${C};`,`uniform float cscale${C};`,`uniform float pwfshift${C};`,`uniform float pwfscale${C};`]);switch(p){case 1:v=v.concat(["uniform float mix0;","#define height0 0.5"]);break;case 2:v=v.concat(["uniform float mix0;","uniform float mix1;","#define height0 0.25","#define height1 0.75"]);break;case 3:v=v.concat(["uniform float mix0;","uniform float mix1;","uniform float mix2;","#define height0 0.17","#define height1 0.5","#define height2 0.83"]);break;case 4:v=v.concat(["uniform float mix0;","uniform float mix1;","uniform float mix2;","uniform float mix3;","#define height0 0.125","#define height1 0.375","#define height2 0.625","#define height3 0.875"]);break;default:Ua("Unsupported number of independent coordinates.")}}o=k.substitute(o,"//VTK::TCoord::Dec",v).result;let T=[];if(u?(T.push("vec3 samplingDirection = samplingDirVSOutput;"),g&&T.push("vec3 projectionDirection = projectionDirVSOutput;")):(T.push("vec4 q0 = centerlineBotOrientationVSOutput;","vec4 q1 = centerlineTopOrientationVSOutput;","float qCosAngle = dot(q0, q1);","vec4 interpolatedOrientation;","if (qCosAngle > 0.999 || qCosAngle < -0.999) {","  // Use LERP instead of SLERP when the two quaternions are close or opposite","  interpolatedOrientation = normalize(mix(q0, q1, quadOffsetVSOutput.y));","} else {","  float omega = acos(qCosAngle);","  interpolatedOrientation = normalize(sin((1.0 - quadOffsetVSOutput.y) * omega) * q0 + sin(quadOffsetVSOutput.y * omega) * q1);","}","vec3 samplingDirection = applyQuaternionToVec(interpolatedOrientation, tangentDirection);"),g&&T.push("vec3 projectionDirection = applyQuaternionToVec(interpolatedOrientation, bitangentDirection);")),y?T.push("float baseOffset = dot(samplingDirection, globalCenterPoint - centerlinePosVSOutput);","float horizontalOffset = quadOffsetVSOutput.x + baseOffset;"):T.push("float horizontalOffset = quadOffsetVSOutput.x;"),T.push("vec3 volumePosMC = centerlinePosVSOutput + horizontalOffset * samplingDirection;","vec3 volumePosTC = (MCTCMatrix * vec4(volumePosMC, 1.0)).xyz;","if (any(lessThan(volumePosTC, vec3(0.0))) || any(greaterThan(volumePosTC, vec3(1.0))))","{","  // set the background color and exit","  gl_FragData[0] = backgroundColor;","  return;","}"),g){const C=e.renderable.getProjectionMode();switch(C){case Fn.MIN:T.push("const vec4 initialProjectionTextureValue = vec4(1.0);");break;case Fn.MAX:case Fn.AVERAGE:default:T.push("const vec4 initialProjectionTextureValue = vec4(0.0);");break}switch(T.push("vec3 projectionScaledDirection = (MCTCMatrix * vec4(projectionDirection, 0.0)).xyz;","vec3 projectionStep = projectionStepLength * projectionScaledDirection;","vec3 projectionStartPosition = volumePosTC + projectionConstantOffset * projectionScaledDirection;","vec4 tvalue = initialProjectionTextureValue;","for (int projectionSampleIdx = 0; projectionSampleIdx < projectionSlabNumberOfSamples; ++projectionSampleIdx) {","  vec3 projectionSamplePosition = projectionStartPosition + float(projectionSampleIdx) * projectionStep;","  vec4 sampledTextureValue = texture(volumeTexture, projectionSamplePosition);"),C){case Fn.MAX:T.push("  tvalue = max(tvalue, sampledTextureValue);");break;case Fn.MIN:T.push("  tvalue = min(tvalue, sampledTextureValue);");break;case Fn.AVERAGE:default:T.push("  tvalue = tvalue + sampledTextureValue;");break}T.push("}"),C===Fn.AVERAGE&&T.push("tvalue = tvalue / float(projectionSlabNumberOfSamples);")}else T.push("vec4 tvalue = texture(volumeTexture, volumePosTC);");if(h){const C=["r","g","b","a"];for(let d=0;d<p;++d)T=T.concat([`vec3 tcolor${d} = mix${d} * texture2D(colorTexture1, vec2(tvalue.${C[d]} * cscale${d} + cshift${d}, height${d})).rgb;`,`float compWeight${d} = mix${d} * texture2D(pwfTexture1, vec2(tvalue.${C[d]} * pwfscale${d} + pwfshift${d}, height${d})).r;`]);switch(p){case 1:T=T.concat(["gl_FragData[0] = vec4(tcolor0.rgb, compWeight0 * opacity);"]);break;case 2:T=T.concat(["float weightSum = compWeight0 + compWeight1;","gl_FragData[0] = vec4(vec3((tcolor0.rgb * (compWeight0 / weightSum)) + (tcolor1.rgb * (compWeight1 / weightSum))), opacity);"]);break;case 3:T=T.concat(["float weightSum = compWeight0 + compWeight1 + compWeight2;","gl_FragData[0] = vec4(vec3((tcolor0.rgb * (compWeight0 / weightSum)) + (tcolor1.rgb * (compWeight1 / weightSum)) + (tcolor2.rgb * (compWeight2 / weightSum))), opacity);"]);break;case 4:T=T.concat(["float weightSum = compWeight0 + compWeight1 + compWeight2 + compWeight3;","gl_FragData[0] = vec4(vec3((tcolor0.rgb * (compWeight0 / weightSum)) + (tcolor1.rgb * (compWeight1 / weightSum)) + (tcolor2.rgb * (compWeight2 / weightSum)) + (tcolor3.rgb * (compWeight3 / weightSum))), opacity);"]);break;default:Ua("Unsupported number of independent coordinates.")}}else switch(p){case 1:T=T.concat(["// Dependent components","float intensity = tvalue.r;","vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;","float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;","gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);"]);break;case 2:T=T.concat(["float intensity = tvalue.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tvalue.g + pwfshift0);"]);break;case 3:T=T.concat(["vec4 tcolor = cscale0*tvalue + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]);break;default:T=T.concat(["vec4 tcolor = cscale0*tvalue + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"])}o=k.substitute(o,"//VTK::TCoord::Impl",T).result,e.haveSeenDepthRequest&&(o=k.substitute(o,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,o=k.substitute(o,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=s,n.Fragment=o,t.replaceShaderClip(n,a,i),t.replaceShaderCoincidentOffset(n,a,i)},t.replaceShaderClip=(n,a,i)=>{let s=n.Vertex,o=n.Fragment;if(e.renderable.getNumberOfClippingPlanes()){let c=e.renderable.getNumberOfClippingPlanes();c>6&&(O.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),c=6),s=k.substitute(s,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,s=k.substitute(s,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)","    {","    if (planeNum >= numClipPlanes)","        {","        break;","        }","    clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);","    }"]).result,o=k.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,o=k.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)","    {","    if (planeNum >= numClipPlanes)","        {","        break;","        }","    if (clipDistancesVSOutput[planeNum] < 0.0) discard;","    }"]).result}n.Vertex=s,n.Fragment=o},t.getShaderTemplate=(n,a,i)=>{n.Vertex=nc,n.Fragment=Ta,n.Geometry=""},t.setMapperShaderParameters=(n,a,i)=>{const s=n.getProgram(),o=n.getCABO();o.getElementCount()&&(e.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(s.isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(s,o,"vertexMC",o.getVertexOffset(),o.getStride(),e.context.FLOAT,3,e.context.FALSE)||Ua("Error setting vertexMC in shader VAO.")),n.getCABO().getCustomData().forEach(p=>{p&&s.isAttributeUsed(p.name)&&!n.getVAO().addAttributeArray(s,o,p.name,p.offset,o.getStride(),e.context.FLOAT,p.components,e.context.FALSE)&&Ua(`Error setting ${p.name} in shader VAO.`)}),n.getAttributeUpdateTime().modified());const c=e.volumeTexture.getTextureUnit();if(s.setUniformi("volumeTexture",c),s.setUniformf("width",e.renderable.getWidth()),n.getProgram().setUniform4fv("backgroundColor",e.renderable.getBackgroundColor()),s.isUniformUsed("tangentDirection")){const p=e.renderable.getTangentDirection();n.getProgram().setUniform3fArray("tangentDirection",p)}if(s.isUniformUsed("bitangentDirection")){const p=e.renderable.getBitangentDirection();n.getProgram().setUniform3fArray("bitangentDirection",p)}if(s.isUniformUsed("centerlineOrientation")){const p=e.renderable.getUniformOrientation();n.getProgram().setUniform4fv("centerlineOrientation",p)}if(s.isUniformUsed("globalCenterPoint")){const p=e.renderable.getCenterPoint();s.setUniform3fArray("globalCenterPoint",p)}if(e.renderable.isProjectionEnabled()){const p=e.renderable.getProjectionSlabThickness(),h=e.renderable.getProjectionSlabNumberOfSamples();s.setUniformi("projectionSlabNumberOfSamples",h);const v=-.5*p;s.setUniformf("projectionConstantOffset",v);const y=p/(h-1);s.setUniformf("projectionStepLength",y)}const f=e.currentImageDataInput,g=f.getWorldToIndex(),u=bi(new Float32Array(16),ui([],f.getDimensions())),l=Ru(u,u,g);if(s.setUniformMatrix("MCTCMatrix",l),e.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",e.renderDepth?1:0),e.renderable.getNumberOfClippingPlanes()){let p=e.renderable.getNumberOfClippingPlanes();p>6&&(O.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),p=6);const h=o.getCoordShiftAndScaleEnabled()?o.getInverseShiftAndScaleMatrix():null,v=h?Ve(e.imagematinv,i.getMatrix()):i.getMatrix();h&&(ue(v,v),X(v,v,h),ue(v,v)),ue(e.imagemat,e.currentImageDataInput.getIndexToWorld()),X(e.imagematinv,v,e.imagemat);const y=[];for(let T=0;T<p;T++){const C=[];e.renderable.getClippingPlaneInDataCoords(e.imagematinv,T,C);for(let d=0;d<4;d++)y.push(C[d])}s.setUniformi("numClipPlanes",p),s.setUniform4fv("clipPlanes",y)}if(s.isUniformUsed("coffset")){const p=t.getCoincidentParameters(a,i);s.setUniformf("coffset",p.offset),s.isUniformUsed("cfactor")&&s.setUniformf("cfactor",p.factor)}},t.setCameraShaderParameters=(n,a,i)=>{const s=e.openGLImageSlice.getKeyMatrices().mcwc,o=e.openGLCamera.getKeyMatrices(a).wcpc;if(X(e.imagemat,o,s),n.getCABO().getCoordShiftAndScaleEnabled()){const c=n.getCABO().getInverseShiftAndScaleMatrix();X(e.imagemat,e.imagemat,c)}n.getProgram().setUniformMatrix("MCPCMatrix",e.imagemat)},t.setPropertyShaderParameters=(n,a,i)=>{const s=n.getProgram(),o=i.getProperty(),c=o.getOpacity();s.setUniformf("opacity",c);const f=e.volumeTexture.getComponents(),g=o.getIndependentComponents();if(g)for(let h=0;h<f;++h)s.setUniformf(`mix${h}`,o.getComponentWeight(h));const u=e.volumeTexture.getVolumeInfo();for(let h=0;h<f;h++){let v=o.getColorWindow(),y=o.getColorLevel();const T=g?h:0,C=o.getRGBTransferFunction(T);if(C&&o.getUseLookupTableScalarRange()){const w=C.getRange();v=w[1]-w[0],y=.5*(w[1]+w[0])}const d=u.scale[h]/v,x=(u.offset[h]-y)/v+.5;s.setUniformf(`cshift${h}`,x),s.setUniformf(`cscale${h}`,d)}const l=e.colorTexture.getTextureUnit();s.setUniformi("colorTexture1",l);for(let h=0;h<f;h++){let v=1,y=0;const T=g?h:0,C=o.getPiecewiseFunction(T);if(C){const d=C.getRange(),x=d[1]-d[0],w=.5*(d[0]+d[1]);v=u.scale[h]/x,y=(u.offset[h]-w)/x+.5}s.setUniformf(`pwfshift${h}`,y),s.setUniformf(`pwfscale${h}`,v)}const p=e.pwfTexture.getTextureUnit();s.setUniformi("pwfTexture1",p)},t.updateShaders=(n,a,i)=>{if(t.getNeedToRebuildShaders(n,a,i)){const s={Vertex:null,Fragment:null,Geometry:null};t.buildShaders(s,a,i);const o=e._openGLRenderWindow.getShaderCache().readyShaderProgramArray(s.Vertex,s.Fragment,s.Geometry);o!==n.getProgram()&&(n.setProgram(o),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else e._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),t.setMapperShaderParameters(n,a,i),t.setCameraShaderParameters(n,a,i),t.setPropertyShaderParameters(n,a,i)},t.delete=O.chain(()=>{e._openGLRenderWindow&&r(e._openGLRenderWindow)},t.delete)}var HO={currentRenderPass:null,volumeTexture:null,colorTexture:null,pwfTexture:null,tris:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,lastIndependentComponents:0,imagemat:null,imagematinv:null};function Ap(t,e,r={}){Object.assign(e,HO,r),Fe.extend(t,e,r),$t.implementReplaceShaderCoincidentOffset(t,e,r),O.algo(t,e,2,0),e.tris=ft.newInstance(),e.volumeTexture=null,e.colorTexture=null,e.pwfTexture=null,e.imagemat=K(new Float64Array(16)),e.imagematinv=K(new Float64Array(16)),e.VBOBuildTime={},O.obj(e.VBOBuildTime,{mtime:0}),IO(t,e)}var Ip=O.newInstance(Ap,"vtkOpenGLImageCPRMapper"),jO={},U_={newInstance:Ip,extend:Ap,...jO};Oe("vtkImageCPRMapper",Ip);function PO(t,e){e.classHierarchy.push("vtkOpenGLImageSlice"),t.buildPass=r=>{if(!(!e.renderable||!e.renderable.getVisibility())&&r){if(!e.renderable)return;e._openGLRenderWindow=t.getLastAncestorOfType("vtkOpenGLRenderWindow"),e._openGLRenderer=t.getFirstAncestorOfType("vtkOpenGLRenderer"),e.context=e._openGLRenderWindow.getContext(),t.prepareNodes(),t.addMissingNode(e.renderable.getMapper()),t.removeUnusedNodes()}},t.traverseZBufferPass=r=>{!e.renderable||!e.renderable.getNestedVisibility()||e._openGLRenderer.getSelector()&&!e.renderable.getNestedPickable()||(t.apply(r,!0),e.children.forEach(n=>{n.traverse(r)}),t.apply(r,!1))},t.traverseOpaqueZBufferPass=r=>t.traverseOpaquePass(r),t.traverseOpaquePass=r=>{!e.renderable||!e.renderable.getNestedVisibility()||!e.renderable.getIsOpaque()||e._openGLRenderer.getSelector()&&!e.renderable.getNestedPickable()||(t.apply(r,!0),e.children.forEach(n=>{n.traverse(r)}),t.apply(r,!1))},t.traverseTranslucentPass=r=>{!e.renderable||!e.renderable.getNestedVisibility()||e.renderable.getIsOpaque()||e._openGLRenderer.getSelector()&&!e.renderable.getNestedPickable()||(t.apply(r,!0),e.children.forEach(n=>{n.traverse(r)}),t.apply(r,!1))},t.queryPass=(r,n)=>{if(r){if(!e.renderable||!e.renderable.getVisibility())return;e.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},t.zBufferPass=(r,n)=>t.opaquePass(r,n),t.opaqueZBufferPass=(r,n)=>t.opaquePass(r,n),t.opaquePass=(r,n)=>{r&&e.context.depthMask(!0)},t.translucentPass=(r,n)=>{e.context.depthMask(!r)},t.getKeyMatrices=()=>(e.renderable.getMTime()>e.keyMatrixTime.getMTime()&&(Ve(e.keyMatrices.mcwc,e.renderable.getMatrix()),ue(e.keyMatrices.mcwc,e.keyMatrices.mcwc),e.keyMatrixTime.modified()),e.keyMatrices)}var KO={context:null,keyMatrixTime:null,keyMatrices:null};function XO(t,e,r={}){Object.assign(e,KO,r),Fe.extend(t,e,r),e.keyMatrixTime={},ye(e.keyMatrixTime,{mtime:0}),e.keyMatrices={mcwc:K(new Float64Array(16))},Ce(t,e,["context"]),PO(t,e)}var YO=ce(XO,"vtkOpenGLImageSlice");Oe("vtkImageSlice",YO);function qO(t,e){e.classHierarchy.push("vtkOpenGLVolume"),t.buildPass=r=>{!e.renderable||!e.renderable.getVisibility()||r&&(e._openGLRenderWindow=t.getLastAncestorOfType("vtkOpenGLRenderWindow"),e._openGLRenderer=t.getFirstAncestorOfType("vtkOpenGLRenderer"),e.context=e._openGLRenderWindow.getContext(),t.prepareNodes(),t.addMissingNode(e.renderable.getMapper()),t.removeUnusedNodes())},t.queryPass=(r,n)=>{if(r){if(!e.renderable||!e.renderable.getVisibility())return;n.incrementVolumeCount()}},t.traverseVolumePass=r=>{!e.renderable||!e.renderable.getNestedVisibility()||e._openGLRenderer.getSelector()&&!e.renderable.getNestedPickable()||(t.apply(r,!0),e.children[0].traverse(r),t.apply(r,!1))},t.volumePass=r=>{!e.renderable||!e.renderable.getVisibility()||e.context.depthMask(!r)},t.getKeyMatrices=()=>(e.renderable.getMTime()>e.keyMatrixTime.getMTime()&&(e.renderable.computeMatrix(),Ve(e.MCWCMatrix,e.renderable.getMatrix()),ue(e.MCWCMatrix,e.MCWCMatrix),e.renderable.getIsIdentity()?ct(e.normalMatrix):(hn(e.normalMatrix,e.MCWCMatrix),Ut(e.normalMatrix,e.normalMatrix),hr(e.normalMatrix,e.normalMatrix)),e.keyMatrixTime.modified()),{mcwc:e.MCWCMatrix,normalMatrix:e.normalMatrix})}var ZO={};function QO(t,e,r={}){Object.assign(e,ZO,r),Fe.extend(t,e,r),e.keyMatrixTime={},ye(e.keyMatrixTime,{mtime:0}),e.normalMatrix=new Float64Array(9),e.MCWCMatrix=new Float64Array(16),Ce(t,e,["context"]),qO(t,e)}var JO=ce(QO,"vtkOpenGLVolume");Oe("vtkVolume",JO);var Hp={NEAREST:0,LINEAR:1,FAST_LINEAR:2},jp={FRACTIONAL:0,PROPORTIONAL:1},ai={DEFAULT:0,ADDITIVE:1,COLORIZE:2,CUSTOM:3},eE={OFF:0,NORMALIZED:1,RAW:2},Pp={InterpolationType:Hp,OpacityMode:jp,ColorMixPreset:ai,FilterMode:eE},_t={COMPOSITE_BLEND:0,MAXIMUM_INTENSITY_BLEND:1,MINIMUM_INTENSITY_BLEND:2,AVERAGE_INTENSITY_BLEND:3,ADDITIVE_INTENSITY_BLEND:4,RADON_TRANSFORM_BLEND:5,LABELMAP_EDGE_PROJECTION_BLEND:6},tE={BlendMode:_t},nE=`//VTK::System::Dec
-
-/*=========================================================================
-
-  Program:   Visualization Toolkit
-  Module:    vtkVolumeVS.glsl
-
-  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-  All rights reserved.
-  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notice for more information.
-
-=========================================================================*/
-
-attribute vec4 vertexDC;
-
-varying vec3 vertexVCVSOutput;
-uniform mat4 PCVCMatrix;
-
-uniform float dcxmin;
-uniform float dcxmax;
-uniform float dcymin;
-uniform float dcymax;
-
-void main()
-{
-  // dcsmall is the device coords reduced to the
-  // x y area covered by the volume
-  vec4 dcsmall = vec4(
-    dcxmin + 0.5 * (vertexDC.x + 1.0) * (dcxmax - dcxmin),
-    dcymin + 0.5 * (vertexDC.y + 1.0) * (dcymax - dcymin),
-    vertexDC.z,
-    vertexDC.w);
-  vec4 vcpos = PCVCMatrix * dcsmall;
-  vertexVCVSOutput = vcpos.xyz/vcpos.w;
-  gl_Position = dcsmall;
-}
-`,rE=`//VTK::System::Dec
-
-/*=========================================================================
-
-  Program:   Visualization Toolkit
-  Module:    vtkVolumeFS.glsl
-
-  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-  All rights reserved.
-  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notice for more information.
-
-=========================================================================*/
-// Template for the volume mappers fragment shader
-
-const float infinity = 3.402823466e38;
-
-// the output of this shader
-//VTK::Output::Dec
-
-in vec3 vertexVCVSOutput;
-
-// From Sources\\Rendering\\Core\\VolumeProperty\\Constants.js
-#define COMPOSITE_BLEND 0
-#define MAXIMUM_INTENSITY_BLEND 1
-#define MINIMUM_INTENSITY_BLEND 2
-#define AVERAGE_INTENSITY_BLEND 3
-#define ADDITIVE_INTENSITY_BLEND 4
-#define RADON_TRANSFORM_BLEND 5
-#define LABELMAP_EDGE_PROJECTION_BLEND 6
-
-#define vtkNumberOfLights //VTK::NumberOfLights
-#define vtkMaxLaoKernelSize //VTK::MaxLaoKernelSize
-#define vtkNumberOfComponents //VTK::NumberOfComponents
-#define vtkBlendMode //VTK::BlendMode
-#define vtkMaximumNumberOfSamples //VTK::MaximumNumberOfSamples
-
-//VTK::EnabledColorFunctions
-
-//VTK::EnabledLightings
-
-//VTK::EnabledMultiTexturePerVolume
-
-//VTK::EnabledGradientOpacity
-
-//VTK::EnabledIndependentComponents
-
-//VTK::vtkProportionalComponents
-
-//VTK::vtkForceNearestComponents
-
-uniform int twoSidedLighting;
-
-#if vtkMaxLaoKernelSize > 0
-  vec2 kernelSample[vtkMaxLaoKernelSize];
-#endif
-
-// Textures
-#ifdef EnabledMultiTexturePerVolume
-  #define vtkNumberOfVolumeTextures vtkNumberOfComponents
-#else
-  #define vtkNumberOfVolumeTextures 1
-#endif
-uniform highp sampler3D volumeTexture[vtkNumberOfVolumeTextures];
-uniform sampler2D colorTexture;
-uniform sampler2D opacityTexture;
-uniform sampler2D jtexture;
-uniform sampler2D labelOutlineThicknessTexture;
-
-struct Volume {
-  // ---- Volume geometry settings ----
-
-  vec3 originVC;          // in VC
-  vec3 spacing;           // in VC per IC
-  vec3 inverseSpacing;    // 1/spacing
-  ivec3 dimensions;       // in IC
-  vec3 inverseDimensions; // 1/vec3(dimensions)
-  mat3 vecISToVCMatrix;   // convert from IS to VC without translation
-  mat3 vecVCToISMatrix;   // convert from VC to IS without translation
-  mat4 PCWCMatrix;
-  mat4 worldToIndex;
-  float diagonalLength; // in VC, this is: length(size)
-
-  // ---- Texture settings ----
-
-  // Texture shift and scale
-  vec4 colorTextureScale;
-  vec4 colorTextureShift;
-  vec4 opacityTextureScale;
-  vec4 opacityTextureShift;
-
-  // The heights defined below are the locations for the up to four components
-  // of the transfer functions. The transfer functions have a height of (2 *
-  // numberOfComponents) pixels so the values are computed to hit the middle of
-  // the two rows for that component
-  vec4 transferFunctionsSampleHeight;
-
-  // ---- Mode specific settings ----
-
-  // Independent component default preset settings per component
-  vec4 independentComponentMix;
-
-  // Additive / average blending mode settings
-  vec4 ipScalarRangeMin;
-  vec4 ipScalarRangeMax;
-
-  // ---- Rendering settings ----
-
-  // Lighting
-  float ambient;
-  float diffuse;
-  float specular;
-  float specularPower;
-  int computeNormalFromOpacity;
-
-  // Gradient opacity
-  vec4 gradientOpacityScale;
-  vec4 gradientOpacityShift;
-  vec4 gradientOpacityMin;
-  vec4 gradientOpacityMax;
-
-  // Volume shadow
-  float volumetricScatteringBlending;
-  float globalIlluminationReach;
-  float anisotropy;
-  float anisotropySquared;
-
-  // LAO
-  int kernelSize;
-  int kernelRadius;
-
-  // Label outline
-  float outlineOpacity;
-};
-uniform Volume volume;
-
-struct Light {
-  vec3 color;
-  vec3 positionVC;
-  vec3 directionVC; // normalized
-  vec3 halfAngleVC;
-  vec3 attenuation;
-  float exponent;
-  float coneAngle;
-  int isPositional;
-};
-#if vtkNumberOfLights > 0
-  uniform Light lights[vtkNumberOfLights];
-#endif
-
-uniform float vpWidth;
-uniform float vpHeight;
-uniform float vpOffsetX;
-uniform float vpOffsetY;
-
-// Bitmasks for label outline
-const int MAX_SEGMENT_INDEX = 256; // Define as per expected maximum
-#define MAX_SEGMENTS 256
-#define UINT_SIZE 32
-// We add UINT_SIZE - 1, as we want the ceil of the division instead of the
-// floor
-#define BITMASK_SIZE ((MAX_SEGMENTS + UINT_SIZE - 1) / UINT_SIZE)
-uint labelOutlineBitmasks[BITMASK_SIZE];
-
-// Set the corresponding bit in the bitmask
-void setLabelOutlineBit(int segmentIndex) {
-  int arrayIndex = segmentIndex / UINT_SIZE;
-  int bitIndex = segmentIndex % UINT_SIZE;
-  labelOutlineBitmasks[arrayIndex] |= 1u << bitIndex;
-}
-
-// Check if a bit is set in the bitmask
-bool isLabelOutlineBitSet(int segmentIndex) {
-  int arrayIndex = segmentIndex / UINT_SIZE;
-  int bitIndex = segmentIndex % UINT_SIZE;
-  return ((labelOutlineBitmasks[arrayIndex] & (1u << bitIndex)) != 0u);
-}
-
-// if you want to see the raw tiled
-// data in webgl1 uncomment the following line
-// #define debugtile
-
-// camera values
-uniform float camThick;
-uniform float camNear;
-uniform float camFar;
-uniform int cameraParallel;
-
-//VTK::ClipPlane::Dec
-
-// A random number between 0 and 1 that only depends on the fragment
-// It uses the jtexture, so this random seed repeats by blocks of 32 fragments
-// in screen space
-float fragmentSeed;
-
-// sample texture is global
-uniform float sampleDistance;
-uniform float volumeShadowSampleDistance;
-
-// declaration for intermixed geometry
-//VTK::ZBuffer::Dec
-
-//=======================================================================
-// global and custom variables (a temporary section before photorealistics
-// rendering module is complete)
-vec3 rayDirVC;
-
-#define INV4PI 0.0796
-#define EPSILON 0.001
-#define PI 3.1415
-#define PI2 9.8696
-
-vec4 rawSampleTexture(vec3 pos) {
-  #ifdef EnabledMultiTexturePerVolume
-    vec4 rawSample;
-    rawSample[0] = texture(volumeTexture[0], pos)[0];
-  #if vtkNumberOfComponents > 1
-    rawSample[1] = texture(volumeTexture[1], pos)[0];
-  #endif
-  #if vtkNumberOfComponents > 2
-    rawSample[2] = texture(volumeTexture[2], pos)[0];
-  #endif
-  #if vtkNumberOfComponents > 3
-    rawSample[3] = texture(volumeTexture[3], pos)[0];
-  #endif
-    return rawSample;
-  #else
-    return texture(volumeTexture[0], pos);
-  #endif
-}
-
-vec4 rawFetchTexture(ivec3 pos) {
-  #ifdef EnabledMultiTexturePerVolume
-    vec4 rawSample;
-    #if vtkNumberOfComponents > 0
-      rawSample[0] = texelFetch(volumeTexture[0], pos, 0)[0];
-    #endif
-    #if vtkNumberOfComponents > 1
-      rawSample[1] = texelFetch(volumeTexture[1], pos, 0)[0];
-    #endif
-    #if vtkNumberOfComponents > 2
-      rawSample[2] = texelFetch(volumeTexture[2], pos, 0)[0];
-    #endif
-    #if vtkNumberOfComponents > 3
-      rawSample[3] = texelFetch(volumeTexture[3], pos, 0)[0];
-    #endif
-    return rawSample;
-  #else
-    return texelFetch(volumeTexture[0], pos, 0);
-  #endif
-}
-
-vec4 getTextureValue(vec3 pos) {
-  vec4 tmp = rawSampleTexture(pos);
-
-  // Force nearest
-  #if defined(vtkComponent0ForceNearest) || \\
-      defined(vtkComponent1ForceNearest) || \\
-      defined(vtkComponent2ForceNearest) || \\
-      defined(vtkComponent3ForceNearest)
-    vec3 nearestPos = (floor(pos * vec3(volume.dimensions)) + 0.5) *
-                      volume.inverseDimensions;
-    vec4 nearestValue = rawSampleTexture(nearestPos);
-    #ifdef vtkComponent0ForceNearest
-      tmp[0] = nearestValue[0];
-    #endif
-    #ifdef vtkComponent1ForceNearest
-      tmp[1] = nearestValue[1];
-    #endif
-    #ifdef vtkComponent2ForceNearest
-      tmp[2] = nearestValue[2];
-    #endif
-    #ifdef vtkComponent3ForceNearest
-      tmp[3] = nearestValue[3];
-    #endif
-  #endif
-
-  // Set alpha when using dependent components
-  #ifndef EnabledIndependentComponents
-    #if vtkNumberOfComponents == 1
-      tmp.a = tmp.r;
-    #endif
-    #if vtkNumberOfComponents == 2
-      tmp.a = tmp.g;
-    #endif
-    #if vtkNumberOfComponents == 3
-      tmp.a = length(tmp.rgb);
-    #endif
-  #endif
-
-  return tmp;
-}
-
-// \`height\` is usually \`volume.transferFunctionsSampleHeight[component]\`
-// when using independent component and \`0.5\` otherwise. Don't move the if
-// statement in these function, as the callers usually already knows if it is
-// using independent component or not
-float getOpacityFromTexture(float scalar, int component, float height) {
-  float scaledScalar = scalar * volume.opacityTextureScale[component] +
-                       volume.opacityTextureShift[component];
-  return texture2D(opacityTexture, vec2(scaledScalar, height)).r;
-}
-vec3 getColorFromTexture(float scalar, int component, float height) {
-  float scaledScalar = scalar * volume.colorTextureScale[component] +
-                       volume.colorTextureShift[component];
-  return texture2D(colorTexture, vec2(scaledScalar, height)).rgb;
-}
-
-float getRadonOpacity(vec4 tValue) {
-  #ifdef EnabledIndependentComponents
-    return getOpacityFromTexture(tValue.r, 0, 0.5);
-  #else
-    #if vtkNumberOfComponents == 1
-      return getOpacityFromTexture(tValue.r, 0, 0.5);
-    #endif
-    #if vtkNumberOfComponents == 2
-      return getOpacityFromTexture(tValue.a, 1, 0.5);
-    #endif
-    #if vtkNumberOfComponents == 3
-      return getOpacityFromTexture(tValue.a, 0, 0.5);
-    #endif
-    #if vtkNumberOfComponents == 4
-      return getOpacityFromTexture(tValue.a, 3, 0.5);
-    #endif
-  #endif
-}
-
-vec3 getRadonColor(float normalizedRayIntensity) {
-  float colorCoord = clamp(normalizedRayIntensity, 0.0, 1.0);
-  return texture2D(colorTexture, vec2(colorCoord, 0.5)).rgb;
-}
-
-//=======================================================================
-// transformation between VC and IS space
-
-// convert vector position from idx to vc
-vec3 posIStoVC(vec3 posIS) {
-  return volume.vecISToVCMatrix * posIS + volume.originVC;
-}
-
-// convert vector position from vc to idx
-vec3 posVCtoIS(vec3 posVC) {
-  return volume.vecVCToISMatrix * (posVC - volume.originVC);
-}
-
-// Rotate vector to view coordinate
-vec3 vecISToVC(vec3 dirIS) {
-  return volume.vecISToVCMatrix * dirIS;
-}
-
-// Rotate vector to idx coordinate
-vec3 vecVCToIS(vec3 dirVC) {
-  return volume.vecVCToISMatrix * dirVC;
-}
-
-//=======================================================================
-// Given a normal compute the gradient opacity factors
-float computeGradientOpacityFactor(float normalMag, int component) {
-  float goscale = volume.gradientOpacityScale[component];
-  float goshift = volume.gradientOpacityShift[component];
-  float gomin = volume.gradientOpacityMin[component];
-  float gomax = volume.gradientOpacityMax[component];
-  return clamp(normalMag * goscale + goshift, gomin, gomax);
-}
-
-#ifdef vtkClippingPlanesOn
-  bool isPointClipped(vec3 posVC) {
-    for (int i = 0; i < clip_numPlanes; ++i) {
-      if (dot(vec3(vClipPlaneOrigins[i] - posVC), vClipPlaneNormals[i]) > 0.0) {
-        return true;
-      }
-    }
-    return false;
-  }
-#endif
-
-//=======================================================================
-// compute the normal and gradient magnitude for a position, uses forward
-// difference
-
-// The output normal is in VC
-vec4 computeDensityNormal(vec3 opacityUCoords[2], float opacityTextureHeight,
-                          float gradientOpacity, int component) {
-  // Pass the scalars through the opacity functions
-  vec4 opacityG;
-  opacityG.x += getOpacityFromTexture(opacityUCoords[0].x, component,
-                                      opacityTextureHeight);
-  opacityG.y += getOpacityFromTexture(opacityUCoords[0].y, component,
-                                      opacityTextureHeight);
-  opacityG.z += getOpacityFromTexture(opacityUCoords[0].z, component,
-                                      opacityTextureHeight);
-  opacityG.x -= getOpacityFromTexture(opacityUCoords[1].x, component,
-                                      opacityTextureHeight);
-  opacityG.y -= getOpacityFromTexture(opacityUCoords[1].y, component,
-                                      opacityTextureHeight);
-  opacityG.z -= getOpacityFromTexture(opacityUCoords[1].z, component,
-                                      opacityTextureHeight);
-
-  // Divide by spacing and convert to VC
-  opacityG.xyz *= gradientOpacity * volume.inverseSpacing;
-  opacityG.w = length(opacityG.xyz);
-  if (opacityG.w == 0.0) {
-    return vec4(0.0);
-  }
-
-  // Normalize
-  opacityG.xyz = normalize(vecISToVC(opacityG.xyz));
-
-  return opacityG;
-}
-
-// The output normal is in VC
-vec4 computeNormalForDensity(vec3 posIS, out vec3 scalarInterp[2],
-                             const int opacityComponent) {
-  vec3 offsetedPosIS;
-  for (int axis = 0; axis < 3; ++axis) {
-    // Positive direction
-    offsetedPosIS = posIS;
-    offsetedPosIS[axis] += volume.inverseDimensions[axis];
-    scalarInterp[0][axis] =
-        getTextureValue(offsetedPosIS)[opacityComponent];
-    #ifdef vtkClippingPlanesOn
-      if (isPointClipped(posIStoVC(offsetedPosIS))) {
-        scalarInterp[0][axis] = 0.0;
-      }
-    #endif
-
-    // Negative direction
-    offsetedPosIS = posIS;
-    offsetedPosIS[axis] -= volume.inverseDimensions[axis];
-    scalarInterp[1][axis] =
-        getTextureValue(offsetedPosIS)[opacityComponent];
-    #ifdef vtkClippingPlanesOn
-      if (isPointClipped(posIStoVC(offsetedPosIS))) {
-        scalarInterp[1][axis] = 0.0;
-      }
-    #endif
-  }
-
-  vec4 result;
-  result.xyz = (scalarInterp[0] - scalarInterp[1]) * volume.inverseSpacing;
-  result.w = length(result.xyz);
-  if (result.w == 0.0) {
-    return vec4(0.0);
-  }
-  result.xyz = normalize(vecISToVC(result.xyz));
-  return result;
-}
-
-vec4 fragCoordToPCPos(vec4 fragCoord) {
-  return vec4((fragCoord.x / vpWidth - vpOffsetX - 0.5) * 2.0,
-              (fragCoord.y / vpHeight - vpOffsetY - 0.5) * 2.0,
-              (fragCoord.z - 0.5) * 2.0, 1.0);
-}
-
-vec4 pcPosToWorldCoord(vec4 pcPos) {
-  return volume.PCWCMatrix * pcPos;
-}
-
-vec3 fragCoordToIndexSpace(vec4 fragCoord) {
-  vec4 pcPos = fragCoordToPCPos(fragCoord);
-  vec4 worldCoord = pcPosToWorldCoord(pcPos);
-  vec4 vertex = (worldCoord / worldCoord.w);
-
-  vec3 index = (volume.worldToIndex * vertex).xyz;
-
-  // half voxel fix for labelmapOutline
-  return (index + vec3(0.5)) * volume.inverseDimensions;
-}
-
-vec3 fragCoordToWorld(vec4 fragCoord) {
-  vec4 pcPos = fragCoordToPCPos(fragCoord);
-  vec4 worldCoord = pcPosToWorldCoord(pcPos);
-  return worldCoord.xyz;
-}
-
-//=======================================================================
-// Compute the normals and gradient magnitudes for a position for independent
-// components The output normals are in VC
-mat4 computeMat4Normal(vec3 posIS, vec4 tValue) {
-  vec3 xvec = vec3(volume.inverseDimensions.x, 0.0, 0.0);
-  vec3 yvec = vec3(0.0, volume.inverseDimensions.y, 0.0);
-  vec3 zvec = vec3(0.0, 0.0, volume.inverseDimensions.z);
-
-  vec4 distX = getTextureValue(posIS + xvec) - getTextureValue(posIS - xvec);
-  vec4 distY = getTextureValue(posIS + yvec) - getTextureValue(posIS - yvec);
-  vec4 distZ = getTextureValue(posIS + zvec) - getTextureValue(posIS - zvec);
-
-  // divide by spacing
-  distX *= 0.5 * volume.inverseSpacing.x;
-  distY *= 0.5 * volume.inverseSpacing.y;
-  distZ *= 0.5 * volume.inverseSpacing.z;
-
-  mat4 result;
-
-  // optionally compute the 1st component
-  #if vtkNumberOfComponents > 0 && !defined(vtkComponent0Proportional)
-    {
-      const int component = 0;
-      vec3 normal = vec3(distX[component], distY[component], distZ[component]);
-      float normalLength = length(normal);
-      if (normalLength > 0.0) {
-        normal = normalize(vecISToVC(normal));
-      }
-      result[component] = vec4(normal, normalLength);
-    }
-  #endif
-
-  // optionally compute the 2nd component
-  #if vtkNumberOfComponents > 1 && !defined(vtkComponent1Proportional)
-    {
-      const int component = 1;
-      vec3 normal = vec3(distX[component], distY[component], distZ[component]);
-      float normalLength = length(normal);
-      if (normalLength > 0.0) {
-        normal = normalize(vecISToVC(normal));
-      }
-      result[component] = vec4(normal, normalLength);
-    }
-  #endif
-
-  // optionally compute the 3rd component
-  #if vtkNumberOfComponents > 2 && !defined(vtkComponent2Proportional)
-    {
-      const int component = 2;
-      vec3 normal = vec3(distX[component], distY[component], distZ[component]);
-      float normalLength = length(normal);
-      if (normalLength > 0.0) {
-        normal = normalize(vecISToVC(normal));
-      }
-      result[component] = vec4(normal, normalLength);
-    }
-  #endif
-
-  // optionally compute the 4th component
-  #if vtkNumberOfComponents > 3 && !defined(vtkComponent3Proportional)
-    {
-      const int component = 3;
-      vec3 normal = vec3(distX[component], distY[component], distZ[component]);
-      float normalLength = length(normal);
-      if (normalLength > 0.0) {
-        normal = normalize(vecISToVC(normal));
-      }
-      result[component] = vec4(normal, normalLength);
-    }
-  #endif
-
-  return result;
-}
-
-//=======================================================================
-// global shadow - secondary ray
-
-// henyey greenstein phase function
-float phaseFunction(float cos_angle) {
-  // divide by 2.0 instead of 4pi to increase intensity
-  float anisotropy = volume.anisotropy;
-  if (abs(anisotropy) <= EPSILON) {
-    // isotropic scatter returns 0.5 instead of 1/4pi to increase intensity
-    return 0.5;
-  }
-  float anisotropy2 = volume.anisotropySquared;
-  return ((1.0 - anisotropy2) /
-          pow(1.0 + anisotropy2 - 2.0 * anisotropy * cos_angle, 1.5)) /
-         2.0;
-}
-
-// Compute the two intersection distances of the ray with the volume in VC
-// The entry point is \`rayOriginVC + distanceMin * rayDirVC\` and the exit point
-// is \`rayOriginVC + distanceMax * rayDirVC\` If distanceMin < distanceMax, the
-// volume is not intersected The ray origin is inside the box when distanceMin <
-// 0.0 < distanceMax
-vec2 rayIntersectVolumeDistances(vec3 rayOriginVC, vec3 rayDirVC) {
-  // Compute origin and direction in IS
-  vec3 rayOriginIS = posVCtoIS(rayOriginVC);
-  vec3 rayDirIS = vecVCToIS(rayDirVC);
-  // Don't check for infinity as the min/max combination afterward will always
-  // find an intersection before infinity
-  vec3 invDir = 1.0 / rayDirIS;
-
-  // We have: bound = origin + t * dir
-  // So: t = (1/dir) * (bound - origin)
-  vec3 distancesTo0 = invDir * (vec3(0.0) - rayOriginIS);
-  vec3 distancesTo1 = invDir * (vec3(1.0) - rayOriginIS);
-  // Min and max distances to plane intersection per plane
-  vec3 dMinPerAxis = min(distancesTo0, distancesTo1);
-  vec3 dMaxPerAxis = max(distancesTo0, distancesTo1);
-  // Overall first and last intersection
-  float distanceMin = max(dMinPerAxis.x, max(dMinPerAxis.y, dMinPerAxis.z));
-  float distanceMax = min(dMaxPerAxis.x, min(dMaxPerAxis.y, dMaxPerAxis.z));
-  return vec2(distanceMin, distanceMax);
-}
-
-//=======================================================================
-// local ambient occlusion
-#if vtkMaxLaoKernelSize > 0
-
-  // Return a random point on the unit sphere
-  vec3 sampleDirectionUniform(int rayIndex) {
-    // Each ray of each fragment should be different, two sources of randomness
-    // are used. Only depends on ray index
-    vec2 rayRandomness = kernelSample[rayIndex];
-    // Only depends on fragment
-    float fragmentRandomness = fragmentSeed;
-    // Merge both source of randomness in a single uniform random variable using
-    // the formula (x+y < 1 ? x+y : x+y-1). The simpler formula (x+y)/2 doesn't
-    // result in a uniform distribution
-    vec2 mergedRandom = rayRandomness + vec2(fragmentRandomness);
-    mergedRandom -= vec2(greaterThanEqual(mergedRandom, vec2(1.0)));
-
-    // Insipred by:
-    // https://karthikkaranth.me/blog/generating-random-points-in-a-sphere/#better-choice-of-spherical-coordinates
-    float u = mergedRandom[0];
-    float v = mergedRandom[1];
-    float theta = u * 2.0 * PI;
-    float phi = acos(2.0 * v - 1.0);
-    float sinTheta = sin(theta);
-    float cosTheta = cos(theta);
-    float sinPhi = sin(phi);
-    float cosPhi = cos(phi);
-    return vec3(sinPhi * cosTheta, sinPhi * sinTheta, cosPhi);
-  }
-
-  float computeLAO(vec3 posVC, vec4 normalVC, float originalOpacity) {
-    // apply LAO only at selected locations, otherwise return full brightness
-    if (normalVC.w <= 0.0 || originalOpacity <= 0.05) {
-      return 1.0;
-    }
-
-    #ifdef EnabledGradientOpacity
-      float gradientOpacityFactor = computeGradientOpacityFactor(normalVC.w, 0);
-    #endif
-
-    float visibilitySum = 0.0;
-    float weightSum = 0.0;
-    for (int i = 0; i < volume.kernelSize; i++) {
-      // Only sample on an hemisphere around the normalVC.xyz axis, so
-      // normalDotRay should be negative
-      vec3 rayDirectionVC = sampleDirectionUniform(i);
-      float normalDotRay = dot(normalVC.xyz, rayDirectionVC);
-      if (normalDotRay > 0.0) {
-        // Flip rayDirectionVC when it is in the wrong hemisphere
-        rayDirectionVC = -rayDirectionVC;
-        normalDotRay = -normalDotRay;
-      }
-
-      vec3 currPosIS = posVCtoIS(posVC);
-      float visibility = 1.0;
-      vec3 randomDirStepIS = vecVCToIS(rayDirectionVC * sampleDistance);
-      for (int j = 0; j < volume.kernelRadius; j++) {
-        currPosIS += randomDirStepIS;
-        // If out of the volume, we are done
-        if (any(lessThan(currPosIS, vec3(0.0))) ||
-            any(greaterThan(currPosIS, vec3(1.0)))) {
-          break;
-        }
-        float opacity = getOpacityFromTexture(getTextureValue(currPosIS).r, 0, 0.5);
-        #ifdef EnabledGradientOpacity
-          opacity *= gradientOpacityFactor;
-        #endif
-        visibility *= 1.0 - opacity;
-        // If visibility is less than EPSILON, consider it to be 0
-        if (visibility < EPSILON) {
-          visibility = 0.0;
-          break;
-        }
-      }
-      float rayWeight = -normalDotRay;
-      visibilitySum += visibility * rayWeight;
-      weightSum += rayWeight;
-    }
-
-    // If no sample, LAO factor is one
-    if (weightSum == 0.0) {
-      return 1.0;
-    }
-
-    // LAO factor is the average visibility:
-    // - visibility low => ambient low
-    // - visibility high => ambient high
-    float lao = visibilitySum / weightSum;
-
-    // Reduce variance by clamping
-    return clamp(lao, 0.3, 1.0);
-  }
-#endif
-
-//=======================================================================
-// Volume shadows
-#if vtkNumberOfLights > 0
-
-  // Non-memoised version
-  float computeVolumeShadowWithoutCache(vec3 posVC, vec3 lightDirNormVC) {
-    // modify sample distance with a random number between 1.5 and 3.0
-    float rayStepLength =
-        volumeShadowSampleDistance * mix(1.5, 3.0, fragmentSeed);
-
-    // in case the first sample near surface has a very tiled light ray, we need
-    // to offset start position
-    vec3 initialPosVC = posVC + rayStepLength * lightDirNormVC;
-
-    #ifdef vtkClippingPlanesOn
-      float clippingPlanesMaxDistance = infinity;
-      for (int i = 0; i < clip_numPlanes; ++i) {
-        // Find distance of intersection with the plane
-        // Points are clipped when:
-        // dot(planeOrigin - (rayOrigin + distance * rayDirection), planeNormal) > 0
-        // This is equivalent to:
-        // dot(planeOrigin - rayOrigin, planeNormal) - distance * dot(rayDirection,
-        // planeNormal) > 0.0
-        // We precompute the dot products, so we clip ray points when:
-        // dotOrigin - distance * dotDirection > 0.0
-        float dotOrigin =
-            dot(vClipPlaneOrigins[i] - initialPosVC, vClipPlaneNormals[i]);
-        if (dotOrigin > 0.0) {
-          // The initialPosVC is clipped by this plane
-          return 1.0;
-        }
-        float dotDirection = dot(lightDirNormVC, vClipPlaneNormals[i]);
-        if (dotDirection < 0.0) {
-          // We only hit the plane if dotDirection is negative, as (distance is
-          // positive)
-          float intersectionDistance =
-              dotOrigin / dotDirection; // negative divided by negative => positive
-          clippingPlanesMaxDistance =
-              min(clippingPlanesMaxDistance, intersectionDistance);
-        }
-      }
-    #endif
-
-    vec2 intersectionDistances =
-        rayIntersectVolumeDistances(initialPosVC, lightDirNormVC);
-
-    if (intersectionDistances[1] <= intersectionDistances[0] ||
-        intersectionDistances[1] <= 0.0) {
-      // Volume not hit or behind the ray
-      return 1.0;
-    }
-
-    // When globalIlluminationReach is 0, no sample at all
-    // When globalIlluminationReach is 1, the ray will go through the whole
-    // volume
-    float maxTravelDistance = mix(0.0, volume.diagonalLength,
-                                  volume.globalIlluminationReach);
-    float startDistance = max(intersectionDistances[0], 0.0);
-    float endDistance = min(intersectionDistances[1], startDistance + maxTravelDistance);
-    #ifdef vtkClippingPlanesOn
-      endDistance = min(endDistance, clippingPlanesMaxDistance);
-    #endif
-    if (endDistance - startDistance < 0.0) {
-      return 1.0;
-    }
-
-    // These two variables are used to compute posIS, without having to call
-    // VCtoIS at each step
-    vec3 initialPosIS = posVCtoIS(initialPosVC);
-    // The light dir is scaled and rotated, but not translated, as it is a
-    // vector (w = 0)
-    vec3 scaledLightDirIS = vecVCToIS(lightDirNormVC);
-
-    float shadow = 1.0;
-    for (float currentDistance = startDistance; currentDistance <= endDistance;
-          currentDistance += rayStepLength) {
-      vec3 posIS = initialPosIS + currentDistance * scaledLightDirIS;
-      vec4 scalar = getTextureValue(posIS);
-      float opacity = getOpacityFromTexture(scalar.r, 0, 0.5);
-      #if defined(EnabledGradientOpacity) && !defined(EnabledIndependentComponents)
-        vec3 scalarInterp[2];
-        vec4 normal = computeNormalForDensity(posIS, scalarInterp, 3);
-        float opacityFactor = computeGradientOpacityFactor(normal.w, 0);
-        opacity *= opacityFactor;
-      #endif
-      shadow *= 1.0 - opacity;
-
-      // Early termination if shadow coeff is near 0.0
-      if (shadow < EPSILON) {
-        return 0.0;
-      }
-    }
-    return shadow;
-  }
-
-  // Some cache for volume shadows
-  struct {
-    vec3 posVC;
-    float shadow;
-  } cachedShadows[vtkNumberOfLights];
-
-  // Memoised version
-  float computeVolumeShadow(vec3 posVC, vec3 lightDirNormVC, int lightIdx) {
-    if (posVC == cachedShadows[lightIdx].posVC) {
-      return cachedShadows[lightIdx].shadow;
-    }
-    float shadow = computeVolumeShadowWithoutCache(posVC, lightDirNormVC);
-    cachedShadows[lightIdx].posVC = posVC;
-    cachedShadows[lightIdx].shadow = shadow;
-    return shadow;
-  }
-
-#endif
-
-//=======================================================================
-// surface light contribution
-#if vtkNumberOfLights > 0
-  vec3 applyLighting(vec3 tColor, vec4 normalVC) {
-    vec3 diffuse = vec3(0.0, 0.0, 0.0);
-    vec3 specular = vec3(0.0, 0.0, 0.0);
-    for (int lightIdx = 0; lightIdx < vtkNumberOfLights; lightIdx++) {
-      float df = dot(normalVC.xyz, lights[lightIdx].directionVC);
-      if (df > 0.0) {
-        diffuse += df * lights[lightIdx].color;
-        float sf = dot(normalVC.xyz, -lights[lightIdx].halfAngleVC);
-        if (sf > 0.0) {
-          specular += pow(sf, volume.specularPower) * lights[lightIdx].color;
-        }
-      }
-    }
-    return tColor * (diffuse * volume.diffuse + volume.ambient) +
-          specular * volume.specular;
-  }
-
-  vec3 applySurfaceShadowLighting(vec3 tColor, float alpha, vec3 posVC,
-                                  vec4 normalVC) {
-    // everything in VC
-    vec3 diffuse = vec3(0.0);
-    vec3 specular = vec3(0.0);
-    for (int ligthIdx = 0; ligthIdx < vtkNumberOfLights; ligthIdx++) {
-      vec3 vertLightDirection;
-      float attenuation;
-      if (lights[ligthIdx].isPositional == 1) {
-        vertLightDirection = posVC - lights[ligthIdx].positionVC;
-        float lightDistance = length(vertLightDirection);
-        // Normalize with precomputed length
-        vertLightDirection = vertLightDirection / lightDistance;
-        // Base attenuation
-        vec3 attenuationPolynom = lights[ligthIdx].attenuation;
-        attenuation =
-            1.0 / (attenuationPolynom[0] +
-                  lightDistance * (attenuationPolynom[1] +
-                                    lightDistance * attenuationPolynom[2]));
-        // Cone attenuation
-        float coneDot = dot(vertLightDirection, lights[ligthIdx].directionVC);
-        // Per OpenGL standard cone angle is 90 or less for a spot light
-        if (lights[ligthIdx].coneAngle <= 90.0) {
-          if (coneDot >= cos(radians(lights[ligthIdx].coneAngle))) {
-            // Inside the cone
-            attenuation *= pow(coneDot, lights[ligthIdx].exponent);
-          } else {
-            // Outside the cone
-            attenuation = 0.0;
-          }
-        }
-      } else {
-        vertLightDirection = lights[ligthIdx].directionVC;
-        attenuation = 1.0;
-      }
-
-      float ndotL = dot(normalVC.xyz, vertLightDirection);
-      if (ndotL < 0.0 && twoSidedLighting == 1) {
-        ndotL = -ndotL;
-      }
-      if (ndotL > 0.0) {
-        // Diffuse
-        diffuse += ndotL * attenuation * lights[ligthIdx].color;
-        // Specular
-        float vdotR =
-            dot(-rayDirVC, normalize(vertLightDirection - 2.0 * ndotL * normalVC.xyz));
-        if (vdotR > 0.0) {
-          specular += pow(vdotR, volume.specularPower) * attenuation *
-                      lights[ligthIdx].color;
-        }
-      }
-    }
-    #if vtkMaxLaoKernelSize > 0
-      float laoFactor = computeLAO(posVC, normalVC, alpha);
-    #else
-      const float laoFactor = 1.0;
-    #endif
-    return tColor * (diffuse * volume.diffuse +
-                    volume.ambient * laoFactor) +
-          specular * volume.specular;
-  }
-
-  vec3 applyVolumeShadowLighting(vec3 tColor, vec3 posVC) {
-    // Here we have no effect of cones and no attenuation
-    vec3 diffuse = vec3(0.0);
-    for (int lightIdx = 0; lightIdx < vtkNumberOfLights; lightIdx++) {
-      vec3 lightDirVC = lights[lightIdx].isPositional == 1
-                            ? normalize(lights[lightIdx].positionVC - posVC)
-                            : -lights[lightIdx].directionVC;
-      float shadowCoeff = computeVolumeShadow(posVC, lightDirVC, lightIdx);
-      float phaseAttenuation = phaseFunction(dot(rayDirVC, lightDirVC));
-      diffuse += phaseAttenuation * shadowCoeff * lights[lightIdx].color;
-    }
-    return tColor * (diffuse * volume.diffuse + volume.ambient);
-  }
-#endif
-
-// LAO of surface shadows and volume shadows only work with dependent components
-vec3 applyAllLightning(vec3 tColor, float alpha, vec3 posVC,
-                       vec4 surfaceNormalVC) {
-  #if vtkNumberOfLights > 0
-    // 0 <= volCoeff < EPSILON => only surface shadows
-    // EPSILON <= volCoeff < 1 - EPSILON => mix of surface and volume shadows
-    // 1 - EPSILON <= volCoeff => only volume shadows
-    float volCoeff = volume.volumetricScatteringBlending *
-                    (1.0 - alpha / 2.0) *
-                    (1.0 - atan(surfaceNormalVC.w) * INV4PI);
-
-    // Compute surface lighting if needed
-    vec3 surfaceShadedColor = tColor;
-    #ifdef EnableSurfaceLighting
-      if (volCoeff < 1.0 - EPSILON) {
-        surfaceShadedColor =
-            applySurfaceShadowLighting(tColor, alpha, posVC, surfaceNormalVC);
-      }
-    #endif
-
-    // Compute volume lighting if needed
-    vec3 volumeShadedColor = tColor;
-    #ifdef EnableVolumeLighting
-      if (volCoeff >= EPSILON) {
-        volumeShadedColor = applyVolumeShadowLighting(tColor, posVC);
-      }
-    #endif
-
-    // Return the right mix
-    if (volCoeff < EPSILON) {
-      // Surface shadows
-      return surfaceShadedColor;
-    }
-    if (volCoeff >= 1.0 - EPSILON) {
-      // Volume shadows
-      return volumeShadedColor;
-    }
-    // Mix of surface and volume shadows
-    return mix(surfaceShadedColor, volumeShadedColor, volCoeff);
-  #endif
-  return tColor;
-}
-
-vec4 getColorForLabelOutline() {
-  vec3 centerPosIS =
-      fragCoordToIndexSpace(gl_FragCoord); // pos in texture space
-  vec4 centerValue = getTextureValue(centerPosIS);
-  bool pixelOnBorder = false;
-  vec4 tColor = vec4(getColorFromTexture(centerValue.r, 0, 0.5),
-                     getOpacityFromTexture(centerValue.r, 0, 0.5));
-
-  int segmentIndex = int(centerValue.r * 255.0);
-
-  // Use texture sampling for outlineThickness
-  float textureCoordinate = float(segmentIndex - 1) / 1024.0;
-  float textureValue =
-      texture2D(labelOutlineThicknessTexture, vec2(textureCoordinate, 0.5)).r;
-  int actualThickness = int(textureValue * 255.0);
-
-  // If it is the background (segment index 0), we should quickly bail out.
-  // Previously, this was determined by tColor.a, which was incorrect as it
-  // prevented the outline from appearing when the fill is 0.
-  if (segmentIndex == 0) {
-    return vec4(0, 0, 0, 0);
-  }
-
-  // Only perform outline check on fragments rendering voxels that aren't
-  // invisible. Saves a bunch of needless checks on the background.
-  // TODO define epsilon when building shader?
-  for (int i = -actualThickness; i <= actualThickness; i++) {
-    for (int j = -actualThickness; j <= actualThickness; j++) {
-      if (i == 0 && j == 0) {
-        continue;
-      }
-
-      vec4 neighborPixelCoord =
-          vec4(gl_FragCoord.x + float(i), gl_FragCoord.y + float(j),
-               gl_FragCoord.z, gl_FragCoord.w);
-
-      vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);
-      vec4 value = getTextureValue(neighborPosIS);
-
-      // If any of my neighbours are not the same value as I
-      // am, this means I am on the border of the segment.
-      // We can break the loops
-      if (any(notEqual(value, centerValue))) {
-        pixelOnBorder = true;
-        break;
-      }
-    }
-
-    if (pixelOnBorder == true) {
-      break;
-    }
-  }
-
-  // If I am on the border, I am displayed at full opacity
-  if (pixelOnBorder == true) {
-    tColor.a = volume.outlineOpacity;
-  }
-
-  return tColor;
-}
-
-vec4 getColorForAdditivePreset(vec4 tValue, vec3 posVC, vec3 posIS) {
-  // compute normals
-  mat4 normalMat = computeMat4Normal(posIS, tValue);
-  vec4 normalLights[2];
-  normalLights[0] = normalMat[0];
-  normalLights[1] = normalMat[1];
-  #if vtkNumberOfLights > 0
-    if (volume.computeNormalFromOpacity == 1) {
-      for (int component = 0; component < 2; ++component) {
-        vec3 scalarInterp[2];
-        float height = volume.transferFunctionsSampleHeight[component];
-        computeNormalForDensity(posIS, scalarInterp, component);
-        normalLights[component] =
-            computeDensityNormal(scalarInterp, height, 1.0, component);
-      }
-    }
-  #endif
-
-  // compute opacities
-  float opacities[2];
-  opacities[0] = getOpacityFromTexture(
-      tValue[0], 0, volume.transferFunctionsSampleHeight[0]);
-  opacities[1] = getOpacityFromTexture(
-      tValue[1], 1, volume.transferFunctionsSampleHeight[1]);
-  #ifdef EnabledGradientOpacity
-    for (int component = 0; component < 2; ++component) {
-      opacities[component] *=
-          computeGradientOpacityFactor(normalMat[component].a, component);
-    }
-  #endif
-  float opacitySum = opacities[0] + opacities[1];
-  if (opacitySum <= 0.0) {
-    return vec4(0.0);
-  }
-
-  // mix the colors and opacities
-  vec3 colors[2];
-  for (int component = 0; component < 2; ++component) {
-    float sampleHeight = volume.transferFunctionsSampleHeight[component];
-    vec3 color = getColorFromTexture(tValue[component], component, sampleHeight);
-    color = applyAllLightning(color, opacities[component], posVC,
-                              normalLights[component]);
-    colors[component] = color;
-  }
-  vec3 mixedColor =
-      (opacities[0] * colors[0] + opacities[1] * colors[1]) / opacitySum;
-  return vec4(mixedColor, min(1.0, opacitySum));
-}
-
-vec4 getColorForColorizePreset(vec4 tValue, vec3 posVC, vec3 posIS) {
-  // compute normals
-  mat4 normalMat = computeMat4Normal(posIS, tValue);
-  vec4 normalLight = normalMat[0];
-  #if vtkNumberOfLights > 0
-    if (volume.computeNormalFromOpacity == 1) {
-      vec3 scalarInterp[2];
-      float height = volume.transferFunctionsSampleHeight[0];
-      computeNormalForDensity(posIS, scalarInterp, 0);
-      normalLight = computeDensityNormal(scalarInterp, height, 1.0, 0);
-    }
-  #endif
-
-  // compute opacities
-  float opacity = getOpacityFromTexture(
-      tValue[0], 0, volume.transferFunctionsSampleHeight[0]);
-  #ifdef EnabledGradientOpacity
-    opacity *= computeGradientOpacityFactor(normalMat[0].a, 0);
-  #endif
-
-  // colorizing component
-  vec3 colorizingColor = getColorFromTexture(
-      tValue[0], 1, volume.transferFunctionsSampleHeight[1]);
-  float colorizingOpacity = getOpacityFromTexture(
-      tValue[1], 1, volume.transferFunctionsSampleHeight[1]);
-
-  // mix the colors and opacities
-  vec3 color =
-      getColorFromTexture(tValue[0], 0,
-                          volume.transferFunctionsSampleHeight[0]) *
-      mix(vec3(1.0), colorizingColor, colorizingOpacity);
-  color = applyAllLightning(color, opacity, posVC, normalLight);
-  return vec4(color, opacity);
-}
-
-vec4 getColorForDefaultIndependentPreset(vec4 tValue, vec3 posIS) {
-
-  // compute the normal vectors as needed
-  #if defined(EnabledGradientOpacity) || vtkNumberOfLights > 0
-    mat4 normalMat = computeMat4Normal(posIS, tValue);
-  #endif
-
-  // process color and opacity for each component
-  // initial value of alpha is determined by wether the first component is
-  // proportional or not
-  #if defined(vtkComponent0Proportional)
-    // when it is proportional, it starts at 1 (neutral for multiplications)
-    float alpha = 1.0;
-  #else
-    // when it is not proportional, it starts at 0 (neutral for additions)
-    float alpha = 0.0;
-  #endif
-
-  vec3 mixedColor = vec3(0.0);
-  #if vtkNumberOfComponents > 0
-    {
-      const int component = 0;
-      vec3 color = getColorFromTexture(
-          tValue[component], component,
-          volume.transferFunctionsSampleHeight[component]);
-      float opacity = getOpacityFromTexture(
-          tValue[component], component,
-          volume.transferFunctionsSampleHeight[component]);
-      #if !defined(vtkComponent0Proportional)
-        float alphaContribution = volume.independentComponentMix[component] * opacity;
-        #ifdef EnabledGradientOpacity
-          alphaContribution *= computeGradientOpacityFactor(normalMat[component].a, component);
-        #endif
-        alpha += alphaContribution;
-        #if vtkNumberOfLights > 0
-          color = applyLighting(color, normalMat[component]);
-        #endif
-      #else
-        color *= opacity;
-        alpha *= mix(opacity, 1.0,
-                    (1.0 - volume.independentComponentMix[component]));
-      #endif
-      mixedColor += volume.independentComponentMix[component] * color;
-    }
-  #endif
-  #if vtkNumberOfComponents > 1
-    {
-      const int component = 1;
-      vec3 color = getColorFromTexture(
-          tValue[component], component,
-          volume.transferFunctionsSampleHeight[component]);
-      float opacity = getOpacityFromTexture(
-          tValue[component], component,
-          volume.transferFunctionsSampleHeight[component]);
-      #if !defined(vtkComponent1Proportional)
-        float alphaContribution = volume.independentComponentMix[component] * opacity;
-        #ifdef EnabledGradientOpacity
-          alphaContribution *= computeGradientOpacityFactor(normalMat[component].a, component);
-        #endif
-        alpha += alphaContribution;
-        #if vtkNumberOfLights > 0
-          color = applyLighting(color, normalMat[component]);
-        #endif
-      #else
-        color *= opacity;
-        alpha *= mix(opacity, 1.0,
-                    (1.0 - volume.independentComponentMix[component]));
-      #endif
-      mixedColor += volume.independentComponentMix[component] * color;
-    }
-  #endif
-  #if vtkNumberOfComponents > 2
-    {
-      const int component = 2;
-      vec3 color = getColorFromTexture(
-          tValue[component], component,
-          volume.transferFunctionsSampleHeight[component]);
-      float opacity = getOpacityFromTexture(
-          tValue[component], component,
-          volume.transferFunctionsSampleHeight[component]);
-      #if !defined(vtkComponent2Proportional)
-        float alphaContribution = volume.independentComponentMix[component] * opacity;
-        #ifdef EnabledGradientOpacity
-          alphaContribution *= computeGradientOpacityFactor(normalMat[component].a, component);
-        #endif
-        alpha += alphaContribution;
-        #if vtkNumberOfLights > 0
-          color = applyLighting(color, normalMat[component]);
-        #endif
-      #else
-        color *= opacity;
-        alpha *= mix(opacity, 1.0,
-                    (1.0 - volume.independentComponentMix[component]));
-      #endif
-      mixedColor += volume.independentComponentMix[component] * color;
-    }
-  #endif
-  #if vtkNumberOfComponents > 3
-    {
-      const int component = 3;
-      vec3 color = getColorFromTexture(
-          tValue[component], component,
-          volume.transferFunctionsSampleHeight[component]);
-      float opacity = getOpacityFromTexture(
-          tValue[component], component,
-          volume.transferFunctionsSampleHeight[component]);
-      #if !defined(vtkComponent3Proportional)
-        float alphaContribution = volume.independentComponentMix[component] * opacity;
-        #ifdef EnabledGradientOpacity
-          alphaContribution *= computeGradientOpacityFactor(normalMat[component].a, component);
-        #endif
-        alpha += alphaContribution;
-        #if vtkNumberOfLights > 0
-          color = applyLighting(color, normalMat[component]);
-        #endif
-      #else
-        color *= opacity;
-        alpha *= mix(opacity, 1.0,
-                    (1.0 - volume.independentComponentMix[component]));
-      #endif
-      mixedColor += volume.independentComponentMix[component] * color;
-    }
-  #endif
-
-  return vec4(mixedColor, alpha);
-}
-
-vec4 getColorForDependentComponents(vec4 tValue, vec3 posVC, vec3 posIS) {
-  #if defined(EnabledGradientOpacity) || vtkNumberOfLights > 0
-    // use component 3 of the opacity texture as getTextureValue() sets alpha to
-    // the opacity value
-    vec3 scalarInterp[2];
-    vec4 normal0 = computeNormalForDensity(posIS, scalarInterp, 3);
-    float gradientOpacity = computeGradientOpacityFactor(normal0.a, 0);
-  #endif
-
-  // get color and opacity
-  #if vtkNumberOfComponents == 1
-    vec3 tColor = getColorFromTexture(tValue.r, 0, 0.5);
-    float alpha = getOpacityFromTexture(tValue.r, 0, 0.5);
-  #endif
-  #if vtkNumberOfComponents == 2
-    vec3 tColor = vec3(tValue.r * volume.colorTextureScale[0] +
-                  volume.colorTextureShift[0]);
-    float alpha = getOpacityFromTexture(tValue.a, 1, 0.5);
-  #endif
-  #if vtkNumberOfComponents == 3
-      vec3 tColor = tValue.rgb * volume.colorTextureScale.rgb +
-              volume.colorTextureShift.rgb;
-      float alpha = getOpacityFromTexture(tValue.a, 0, 0.5);
-  #endif
-  #if vtkNumberOfComponents == 4
-      vec3 tColor = tValue.rgb * volume.colorTextureScale.rgb +
-              volume.colorTextureShift.rgb;
-      float alpha = getOpacityFromTexture(tValue.a, 3, 0.5);
-  #endif
-
-  // Apply gradient opacity
-  #if defined(EnabledGradientOpacity)
-    alpha *= gradientOpacity;
-  #endif
-
-  #if vtkNumberOfComponents == 1
-    if (alpha < EPSILON) {
-      return vec4(0.0);
-    }
-  #endif
-
-  // lighting
-  #if vtkNumberOfLights > 0
-    vec4 normalLight;
-    if (volume.computeNormalFromOpacity == 1) {
-      if (normal0[3] != 0.0) {
-        normalLight =
-            computeDensityNormal(scalarInterp, 0.5, gradientOpacity, 0);
-        if (normalLight[3] == 0.0) {
-          normalLight = normal0;
-        }
-      }
-    } else {
-      normalLight = normal0;
-    }
-    tColor = applyAllLightning(tColor, alpha, posVC, normalLight);
-  #endif
-
-  return vec4(tColor, alpha);
-}
-
-vec4 getColorForValue(vec4 tValue, vec3 posVC, vec3 posIS) {
-  #ifdef EnableColorForValueFunctionId0
-    return getColorForDependentComponents(tValue, posVC, posIS);
-  #endif
-
-  #ifdef EnableColorForValueFunctionId1
-    return getColorForAdditivePreset(tValue, posVC, posIS);
-  #endif
-
-  #ifdef EnableColorForValueFunctionId2
-    return getColorForColorizePreset(tValue, posVC, posIS);
-  #endif
-
-  #ifdef EnableColorForValueFunctionId3
-    /*
-      * Mix the color information from all the independent components to get a
-      * single rgba output. See other shader functions like
-      * \`getColorForAdditivePreset\` to learn how to create a custom color mix.
-      * The custom color mix should return a value, but if it doesn't, it will
-      * fallback on the default shading
-      */
-    //VTK::CustomColorMix
-  #endif
-
-  #if defined(EnableColorForValueFunctionId4) || defined(EnableColorForValueFunctionId3)
-    return getColorForDefaultIndependentPreset(tValue, posIS);
-  #endif
-
-  #ifdef EnableColorForValueFunctionId5
-    return getColorForLabelOutline();
-  #endif
-}
-
-bool valueWithinScalarRange(vec4 val) {
-  #if vtkNumberOfComponents > 1 && !defined(EnabledIndependentComponents)
-    return false;
-  #endif
-  vec4 rangeMin = volume.ipScalarRangeMin;
-  vec4 rangeMax = volume.ipScalarRangeMax;
-  for (int component = 0; component < vtkNumberOfComponents; ++component) {
-    if (val[component] < rangeMin[component] ||
-        rangeMax[component] < val[component]) {
-      return false;
-    }
-  }
-  return true;
-}
-
-#if vtkBlendMode == LABELMAP_EDGE_PROJECTION_BLEND
-  bool checkOnEdgeForNeighbor(int xFragmentOffset, int yFragmentOffset,
-                              int segmentIndex, vec3 stepIS) {
-    vec3 volumeDimensions = vec3(volume.dimensions);
-    vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(xFragmentOffset),
-                                  gl_FragCoord.y + float(yFragmentOffset),
-                                  gl_FragCoord.z, gl_FragCoord.w);
-    vec3 originalNeighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);
-
-    vec3 neighborPosIS = originalNeighborPosIS;
-    for (int k = 0; k < vtkMaximumNumberOfSamples / 2; ++k) {
-      ivec3 texCoord = ivec3(neighborPosIS * volumeDimensions);
-      vec4 texValue = rawFetchTexture(texCoord);
-      if (int(texValue.g) == segmentIndex) {
-        // not on edge
-        return false;
-      }
-      neighborPosIS += stepIS;
-    }
-
-    neighborPosIS = originalNeighborPosIS;
-    for (int k = 0; k < vtkMaximumNumberOfSamples / 2; ++k) {
-      ivec3 texCoord = ivec3(neighborPosIS * volumeDimensions);
-      vec4 texValue = rawFetchTexture(texCoord);
-      if (int(texValue.g) == segmentIndex) {
-        // not on edge
-        return false;
-      }
-      neighborPosIS -= stepIS;
-    }
-
-    // onedge
-    float sampleHeight = volume.transferFunctionsSampleHeight[1];
-    vec3 tColorSegment =
-        getColorFromTexture(float(segmentIndex), 1, sampleHeight);
-    float pwfValueSegment =
-        getOpacityFromTexture(float(segmentIndex), 1, sampleHeight);
-    gl_FragData[0] = vec4(tColorSegment, pwfValueSegment);
-    return true;
-  }
-#endif
-
-vec4 getColorAtPos(vec3 posVC) {
-  vec3 posIS = posVCtoIS(posVC);
-  vec4 texValue = getTextureValue(posIS);
-  return getColorForValue(texValue, posVC, posIS);
-}
-
-//=======================================================================
-// Apply the specified blend mode operation along the ray's path.
-//
-void applyBlend(vec3 rayOriginVC, vec3 rayDirVC, float minDistance,
-                float maxDistance) {
-  // start slightly inside and apply some jitter
-  vec3 stepVC = rayDirVC * sampleDistance;
-  float raySteps = (maxDistance - minDistance) / sampleDistance;
-
-  // Avoid 0.0 jitter
-  float jitter = 0.01 + 0.99 * fragmentSeed;
-
-  #if vtkBlendMode == COMPOSITE_BLEND
-    // now map through opacity and color
-    vec3 firstPosVC = rayOriginVC + minDistance * rayDirVC;
-    vec4 firstColor = getColorAtPos(firstPosVC);
-
-    // handle very thin volumes
-    if (raySteps <= 1.0) {
-      firstColor.a = 1.0 - pow(1.0 - firstColor.a, raySteps);
-      gl_FragData[0] = firstColor;
-      return;
-    }
-
-    // first color only counts for \`jitter\` factor of the step
-    firstColor.a = 1.0 - pow(1.0 - firstColor.a, jitter);
-    vec4 color = vec4(firstColor.rgb * firstColor.a, firstColor.a);
-    vec3 posVC = firstPosVC + jitter * stepVC;
-    float stepsTraveled = jitter;
-
-    for (int i = 0; i < vtkMaximumNumberOfSamples; ++i) {
-      // If we have reached the last step, break
-      if (stepsTraveled + 1.0 >= raySteps) {
-        break;
-      }
-      vec4 tColor = getColorAtPos(posVC);
-
-      color = color + vec4(tColor.rgb * tColor.a, tColor.a) * (1.0 - color.a);
-      stepsTraveled++;
-      posVC += stepVC;
-      if (color.a > 0.99) {
-        color.a = 1.0;
-        break;
-      }
-    }
-
-    if (color.a < 0.99 && (raySteps - stepsTraveled) > 0.0) {
-      vec3 endPosVC = rayOriginVC + maxDistance * rayDirVC;
-      vec4 tColor = getColorAtPos(endPosVC);
-      tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps - stepsTraveled);
-
-      float mix = (1.0 - color.a);
-      color = color + vec4(tColor.rgb * tColor.a, tColor.a) * mix;
-    }
-
-    gl_FragData[0] = vec4(color.rgb / color.a, color.a);
-  #endif
-
-  #if vtkBlendMode == MAXIMUM_INTENSITY_BLEND ||                                 \\
-      vtkBlendMode == MINIMUM_INTENSITY_BLEND
-    // Find maximum/minimum intensity along the ray.
-
-    // Define the operation we will use (min or max)
-    #if vtkBlendMode == MAXIMUM_INTENSITY_BLEND
-      #define OP max
-    #else
-      #define OP min
-    #endif
-
-    vec3 posVC = rayOriginVC + minDistance * rayDirVC;
-    float stepsTraveled = 0.0;
-
-    // Find a value to initialize the selected variables
-    vec4 selectedValue;
-    vec3 selectedPosVC;
-    vec3 selectedPosIS;
-    {
-      vec3 posIS = posVCtoIS(posVC);
-      selectedValue = getTextureValue(posIS);
-      selectedPosVC = posVC;
-      selectedPosIS = posIS;
-    }
-
-    // If the clipping range is shorter than the sample distance
-    // we can skip the sampling loop along the ray.
-    if (raySteps <= 1.0) {
-      gl_FragData[0] = getColorForValue(selectedValue, selectedPosVC, selectedPosIS);
-      return;
-    }
-
-    posVC += jitter * stepVC;
-    stepsTraveled += jitter;
-
-    // Sample along the ray until vtkMaximumNumberOfSamples,
-    // ending slightly inside the total distance
-    for (int i = 0; i < vtkMaximumNumberOfSamples; ++i) {
-      // If we have reached the last step, break
-      if (stepsTraveled + 1.0 >= raySteps) {
-        break;
-      }
-
-      // Get selected values
-      vec3 posIS = posVCtoIS(posVC);
-      vec4 previousSelectedValue = selectedValue;
-      vec4 currentValue = getTextureValue(posIS);
-      selectedValue = OP(selectedValue, currentValue);
-      if (previousSelectedValue != selectedValue) {
-        selectedPosVC = posVC;
-        selectedPosIS = posIS;
-      }
-
-      // Otherwise, continue along the ray
-      stepsTraveled++;
-      posVC += stepVC;
-    }
-
-    // Perform the last step along the ray using the
-    // residual distance
-    posVC = rayOriginVC + maxDistance * rayDirVC;
-    {
-      vec3 posIS = posVCtoIS(posVC);
-      vec4 previousSelectedValue = selectedValue;
-      vec4 currentValue = getTextureValue(posIS);
-      selectedValue = OP(selectedValue, currentValue);
-      if (previousSelectedValue != selectedValue) {
-        selectedPosVC = posVC;
-        selectedPosIS = posIS;
-      }
-    }
-
-    gl_FragData[0] = getColorForValue(selectedValue, selectedPosVC, selectedPosIS);
-  #endif
-
-  #if vtkBlendMode == ADDITIVE_INTENSITY_BLEND ||                                \\
-      vtkBlendMode == AVERAGE_INTENSITY_BLEND
-    vec4 sum = vec4(0.);
-    #if vtkBlendMode == AVERAGE_INTENSITY_BLEND
-      float totalWeight = 0.0;
-    #endif
-    vec3 posVC = rayOriginVC + minDistance * rayDirVC;
-    float stepsTraveled = 0.0;
-
-    vec3 posIS = posVCtoIS(posVC);
-    vec4 value = getTextureValue(posIS);
-
-    if (raySteps <= 1.0) {
-      gl_FragData[0] = getColorForValue(value * raySteps, posVC, posIS);
-      return;
-    }
-
-    if (valueWithinScalarRange(value)) {
-      sum += value * jitter;
-      #if vtkBlendMode == AVERAGE_INTENSITY_BLEND
-        totalWeight += jitter;
-      #endif
-    }
-    posVC += jitter * stepVC;
-    stepsTraveled += jitter;
-
-    // Sample along the ray until vtkMaximumNumberOfSamples,
-    // ending slightly inside the total distance
-    for (int i = 0; i < vtkMaximumNumberOfSamples; ++i) {
-      // If we have reached the last step, break
-      if (stepsTraveled + 1.0 >= raySteps) {
-        break;
-      }
-
-      posIS = posVCtoIS(posVC);
-      value = getTextureValue(posIS);
-      // One can control the scalar range by setting the AverageIPScalarRange to
-      // disregard scalar values, not in the range of interest, from the average
-      // computation. Notes:
-      // - We are comparing all values in the texture to see if any of them
-      //   are outside of the scalar range. In the future we might want to allow
-      //   scalar ranges for each component.
-      if (valueWithinScalarRange(value)) {
-        sum += value;
-        #if vtkBlendMode == AVERAGE_INTENSITY_BLEND
-          totalWeight++;
-        #endif
-      }
-
-      stepsTraveled++;
-      posVC += stepVC;
-    }
-
-    // Perform the last step along the ray using the
-    // residual distance
-    posVC = rayOriginVC + maxDistance * rayDirVC;
-    posIS = posVCtoIS(posVC);
-    value = getTextureValue(posIS);
-    if (valueWithinScalarRange(value)) {
-      sum += value;
-      #if vtkBlendMode == AVERAGE_INTENSITY_BLEND
-        totalWeight += raySteps - stepsTraveled;
-      #endif
-    }
-
-    #if vtkBlendMode == AVERAGE_INTENSITY_BLEND
-      sum /= vec4(totalWeight, totalWeight, totalWeight, 1.0);
-    #endif
-
-    gl_FragData[0] = getColorForValue(sum, posVC, posIS);
-  #endif
-
-  #if vtkBlendMode == RADON_TRANSFORM_BLEND
-    float normalizedRayIntensity = 1.0;
-    vec3 firstPosVC = rayOriginVC + minDistance * rayDirVC;
-    vec3 posVC = firstPosVC;
-    float stepsTraveled = 0.0;
-
-    // handle very thin volumes
-    if (raySteps <= 1.0) {
-      vec3 posIS = posVCtoIS(posVC);
-      vec4 tValue = getTextureValue(posIS);
-      normalizedRayIntensity -= raySteps * sampleDistance *
-                                getRadonOpacity(tValue);
-      gl_FragData[0] =
-          vec4(getRadonColor(normalizedRayIntensity), 1.0);
-      return;
-    }
-
-    vec3 firstPosIS = posVCtoIS(firstPosVC);
-    vec4 firstValue = getTextureValue(firstPosIS);
-    normalizedRayIntensity -=
-        jitter * sampleDistance * getRadonOpacity(firstValue);
-
-    posVC += jitter * stepVC;
-    stepsTraveled += jitter;
-
-    for (int i = 0; i < vtkMaximumNumberOfSamples; ++i) {
-      if (stepsTraveled + 1.0 >= raySteps) {
-        break;
-      }
-
-      vec3 posIS = posVCtoIS(posVC);
-      vec4 value = getTextureValue(posIS);
-      // Convert scalar value to normalizedRayIntensity coefficient and
-      // accumulate normalizedRayIntensity
-      normalizedRayIntensity -=
-          sampleDistance * getRadonOpacity(value);
-
-      posVC += stepVC;
-      stepsTraveled++;
-    }
-
-    if ((raySteps - stepsTraveled) > 0.0) {
-      vec3 endPosIS = clamp(
-        posVCtoIS(rayOriginVC + maxDistance * rayDirVC),
-        vec3(0.0), vec3(1.0));
-      vec4 endValue = getTextureValue(endPosIS);
-      normalizedRayIntensity -=
-          (raySteps - stepsTraveled) * sampleDistance * getRadonOpacity(endValue);
-    }
-
-    // map normalizedRayIntensity to color
-    gl_FragData[0] =
-        vec4(getRadonColor(normalizedRayIntensity), 1.0);
-  #endif
-
-  #if vtkBlendMode == LABELMAP_EDGE_PROJECTION_BLEND
-    // Only works with a single volume
-    vec3 posVC = rayOriginVC + minDistance * rayDirVC;
-    float stepsTraveled = 0.0;
-    vec3 posIS = posVCtoIS(posVC);
-    vec4 tValue = getTextureValue(posIS);
-    if (raySteps <= 1.0) {
-      gl_FragData[0] = getColorForValue(tValue, posVC, posIS);
-      return;
-    }
-
-    vec3 stepIS = vecVCToIS(stepVC);
-    vec4 value = tValue;
-    posIS += jitter * stepIS;
-    stepsTraveled += jitter;
-    vec3 maxPosIS = posIS; // Store the position of the max value
-    int segmentIndex = int(value.g);
-    bool originalPosHasSeenNonZero = false;
-
-    if (segmentIndex != 0) {
-      // Tried using the segment index in an boolean array but reading
-      // from the array by dynamic indexing was horrondously slow
-      // so use bit masking instead and assign 1 to the bit corresponding to the
-      // segment index and later check if the bit is set via bit operations
-      setLabelOutlineBit(segmentIndex);
-    }
-
-    // Sample along the ray until vtkMaximumNumberOfSamples,
-    // ending slightly inside the total distance
-    for (int i = 0; i < vtkMaximumNumberOfSamples; ++i) {
-      // If we have reached the last step, break
-      if (stepsTraveled + 1.0 >= raySteps) {
-        break;
-      }
-
-      // compute the scalar
-      tValue = getTextureValue(posIS);
-      segmentIndex = int(tValue.g);
-
-      if (segmentIndex != 0) {
-        originalPosHasSeenNonZero = true;
-        setLabelOutlineBit(segmentIndex);
-      }
-
-      if (tValue.r > value.r) {
-        value = tValue;   // Update the max value
-        maxPosIS = posIS; // Update the position where max occurred
-      }
-
-      // Otherwise, continue along the ray
-      stepsTraveled++;
-      posIS += stepIS;
-    }
-
-    // Perform the last step along the ray using the
-    // residual distance
-    posIS = posVCtoIS(rayOriginVC + maxDistance * rayDirVC);
-    tValue = getTextureValue(posIS);
-
-    if (tValue.r > value.r) {
-      value = tValue;   // Update the max value
-      maxPosIS = posIS; // Update the position where max occurred
-    }
-
-    // If we have not seen any non-zero segments, we can return early
-    // and grab color from the actual center value first component (image)
-    if (!originalPosHasSeenNonZero) {
-      vec3 maxPosVC = posIStoVC(maxPosIS);
-      gl_FragData[0] = getColorForValue(value, maxPosVC, maxPosIS);
-      return;
-    }
-
-    vec3 neighborRayStepsIS = stepIS;
-    float neighborRaySteps = raySteps;
-    bool shouldLookInAllNeighbors = false;
-
-    vec3 volumeSpacings = volume.spacing;
-    float minVoxelSpacing =
-        min(volumeSpacings[0], min(volumeSpacings[1], volumeSpacings[2]));
-    vec4 base =
-        vec4(gl_FragCoord.x, gl_FragCoord.y, gl_FragCoord.z, gl_FragCoord.w);
-
-    vec4 baseXPlus = vec4(gl_FragCoord.x + 1.0, gl_FragCoord.y, gl_FragCoord.z,
-                          gl_FragCoord.w);
-    vec4 baseYPlus = vec4(gl_FragCoord.x, gl_FragCoord.y + 1.0, gl_FragCoord.z,
-                          gl_FragCoord.w);
-
-    vec3 baseWorld = fragCoordToWorld(base);
-    vec3 baseXPlusWorld = fragCoordToWorld(baseXPlus);
-    vec3 baseYPlusWorld = fragCoordToWorld(baseYPlus);
-
-    float XPlusDiff = length(baseXPlusWorld - baseWorld);
-    float YPlusDiff = length(baseYPlusWorld - baseWorld);
-
-    float minFragSpacingWorld = min(XPlusDiff, YPlusDiff);
-
-    for (int s = 1; s < MAX_SEGMENT_INDEX; s++) {
-      // bail out quickly if the segment index has not
-      // been seen by the center segment
-      if (!isLabelOutlineBitSet(s)) {
-        continue;
-      }
-
-      // Use texture sampling for outlineThickness so that we can have
-      // per segment thickness
-      float textureCoordinate = float(s - 1) / 1024.0;
-      float textureValue =
-          texture2D(labelOutlineThicknessTexture, vec2(textureCoordinate, 0.5)).r;
-
-      int actualThickness = int(textureValue * 255.0);
-
-      // check the extreme points in the neighborhood since there is a better
-      // chance of finding the edge there, so that we can bail out
-      // faster if we find the edge
-      bool onEdge = checkOnEdgeForNeighbor(-actualThickness, -actualThickness, s,
-                                          stepIS) ||
-                    checkOnEdgeForNeighbor(actualThickness, actualThickness, s,
-                                          stepIS) ||
-                    checkOnEdgeForNeighbor(actualThickness, -actualThickness, s,
-                                          stepIS) ||
-                    checkOnEdgeForNeighbor(-actualThickness, +actualThickness, s,
-                                          stepIS);
-
-      if (onEdge) {
-        return;
-      }
-
-      // since the next step is computationally expensive, we need to perform
-      // some optimizations to avoid it if possible. One of the optimizations
-      // is to check the whether the minimum of the voxel spacing is greater than
-      // the 2 * the thickness of the outline segment. If that is the case
-      // then we can safely skip the next step since we can be sure that the
-      // the previous 4 checks on the extreme points would caught the entirety
-      // of the all the fragments inside. i.e., this happens when we zoom out,
-      if (minVoxelSpacing >
-          (2.0 * float(actualThickness) - 1.0) * minFragSpacingWorld) {
-        continue;
-      }
-
-      // Loop through the rest, skipping the processed extremes and the center
-      for (int i = -actualThickness; i <= actualThickness; i++) {
-        for (int j = -actualThickness; j <= actualThickness; j++) {
-          if (i == 0 && j == 0)
-            continue; // Skip the center
-          if (abs(i) == actualThickness && abs(j) == actualThickness)
-            continue; // Skip corners
-          if (checkOnEdgeForNeighbor(i, j, s, stepIS)) {
-            return;
-          }
-        }
-      }
-    }
-
-    float sampleHeight = volume.transferFunctionsSampleHeight[0];
-    vec3 tColor0 = getColorFromTexture(value.r, 0, sampleHeight);
-    float pwfValue0 = getOpacityFromTexture(value.r, 0, sampleHeight);
-    gl_FragData[0] = vec4(tColor0, pwfValue0);
-  #endif
-}
-
-//=======================================================================
-// given a
-// - ray direction (rayDir)
-// - starting point (vertexVCVSOutput)
-// - bounding planes of the volume
-// - optionally depth buffer values
-// - far clipping plane
-// compute the start/end distances of the ray we need to cast
-vec2 computeRayDistances(vec3 rayOriginVC, vec3 rayDirVC) {
-  vec2 dists = rayIntersectVolumeDistances(rayOriginVC, rayDirVC);
-
-  //VTK::ClipPlane::Impl
-
-  // do not go behind front clipping plane
-  dists.x = max(0.0, dists.x);
-
-  // do not go PAST far clipping plane
-  float farDist = -camThick / rayDirVC.z;
-  dists.y = min(farDist, dists.y);
-
-  // Do not go past the zbuffer value if set
-  // This is used for intermixing opaque geometry
-  //VTK::ZBuffer::Impl
-
-  return dists;
-}
-
-float getFragmentSeed() {
-  // This first noise has a diagonal pattern
-  float firstNoise =
-      fract(sin(dot(gl_FragCoord.xy, vec2(12.9898, 78.233))) * 43758.5453);
-  // This second noise is made out of blocks of CPU generated noise
-  float secondNoise = texture2D(jtexture, gl_FragCoord.xy / 32.0).r;
-  // Combine the two sources of noise in a way that the distribution is uniform
-  // in [0,1[
-  float noiseSum = firstNoise + secondNoise;
-  return noiseSum < 1.0 ? noiseSum : noiseSum - 1.0;
-}
-
-void main() {
-  fragmentSeed = getFragmentSeed();
-
-  if (cameraParallel == 1) {
-    // Camera is parallel, so the rayDir is just the direction of the camera.
-    rayDirVC = vec3(0.0, 0.0, -1.0);
-  } else {
-    // camera is at 0,0,0 so rayDir for perspective is just the vc coord
-    rayDirVC = normalize(vertexVCVSOutput);
-  }
-
-  vec3 rayOriginVC = vertexVCVSOutput;
-  vec2 rayStartEndDistancesVC = computeRayDistances(rayOriginVC, rayDirVC);
-  if (rayStartEndDistancesVC[1] <= rayStartEndDistancesVC[0] ||
-      rayStartEndDistancesVC[1] <= 0.0) {
-    // Volume not hit or behind the ray
-    discard;
-  }
-
-  // Perform the blending operation along the ray
-  applyBlend(rayOriginVC, rayDirVC, rayStartEndDistancesVC[0], rayStartEndDistancesVC[1]);
-}
-`,{vtkWarningMacro:aE,vtkErrorMacro:ws}=ke,iE={idxToView:K(new Float64Array(16)),vecISToVCMatrix:ct(new Float64Array(9)),modelToView:K(new Float64Array(16)),projectionToView:K(new Float64Array(16)),projectionToWorld:K(new Float64Array(16))};function sE(t,e){e.classHierarchy.push("vtkOpenGLVolumeMapper");function r(f,g){const u=f.getIndependentComponents(),l=f.getColorMixPreset();return u&&g>=2||!!l}function n(f){return f.getUseLabelOutline()||e.renderable.getBlendMode()===_t.LABELMAP_EDGE_PROJECTION_BLEND}const a=new Map;function i(f,g){if(!g)return;const u=(a.get(g)??0)-1;u<=0?(f.unregisterGraphicsResourceUser(g,t),a.delete(g)):a.set(g,u)}function s(f,g){if(!g)return;const u=a.get(g)??0,l=u+1;a.set(g,l),u<=0&&f.registerGraphicsResourceUser(g,t)}function o(f,g,u){g!==u&&(i(f,g),s(f,u))}function c(f){[...a.keys()].forEach(g=>f.unregisterGraphicsResourceUser(g,t))}t.buildPass=()=>{e.zBufferTexture=null},t.zBufferPass=(f,g)=>{if(f){const u=g.getZBufferTexture();u!==e.zBufferTexture&&(e.zBufferTexture=u)}},t.opaqueZBufferPass=(f,g)=>t.zBufferPass(f,g),t.volumePass=(f,g)=>{if(f){const u=e._openGLRenderWindow;e._openGLRenderWindow=t.getLastAncestorOfType("vtkOpenGLRenderWindow"),u&&!u.isDeleted()&&u!==e._openGLRenderWindow&&c(u),e.context=e._openGLRenderWindow.getContext(),e.tris.setOpenGLRenderWindow(e._openGLRenderWindow),e.jitterTexture.setOpenGLRenderWindow(e._openGLRenderWindow),e.framebuffer.setOpenGLRenderWindow(e._openGLRenderWindow),e.openGLVolume=t.getFirstAncestorOfType("vtkOpenGLVolume");const l=e.openGLVolume.getRenderable();e._openGLRenderer=t.getFirstAncestorOfType("vtkOpenGLRenderer");const p=e._openGLRenderer.getRenderable();e.openGLCamera=e._openGLRenderer.getViewNodeFor(p.getActiveCamera(),e.openGLCamera),t.renderPiece(p,l)}},t.getShaderTemplate=(f,g,u)=>{f.Vertex=nE,f.Fragment=rE,f.Geometry=""},t.replaceShaderValues=(f,g,u)=>{let l=f.Fragment;l=k.substitute(l,"//VTK::EnabledColorFunctions",`#define EnableColorForValueFunctionId${e.previousState.colorForValueFunctionId}`).result;const p=[];e.previousState.surfaceLightingEnabled&&p.push("Surface"),e.previousState.volumeLightingEnabled&&p.push("Volume"),l=k.substitute(l,"//VTK::EnabledLightings",p.map(v=>`#define Enable${v}Lighting`)).result,e.previousState.multiTexturePerVolumeEnabled&&(l=k.substitute(l,"//VTK::EnabledMultiTexturePerVolume","#define EnabledMultiTexturePerVolume").result),e.previousState.useIndependentComponents&&(l=k.substitute(l,"//VTK::EnabledIndependentComponents","#define EnabledIndependentComponents").result),e.previousState.gradientOpacityEnabled&&(l=k.substitute(l,"//VTK::EnabledGradientOpacity","#define EnabledGradientOpacity").result),l=k.substitute(l,"//VTK::vtkProportionalComponents",e.previousState.proportionalComponents.map(v=>`#define vtkComponent${v}Proportional`).join(`
-`)).result,l=k.substitute(l,"//VTK::vtkForceNearestComponents",e.previousState.forceNearestComponents.map(v=>`#define vtkComponent${v}ForceNearest`).join(`
-`)).result,e.previousState.hasZBufferTexture&&(l=k.substitute(l,"//VTK::ZBuffer::Dec",["uniform sampler2D zBufferTexture;","uniform float vpZWidth;","uniform float vpZHeight;"]).result,l=k.substitute(l,"//VTK::ZBuffer::Impl",["vec4 depthVec = texture2D(zBufferTexture, vec2(gl_FragCoord.x / vpZWidth, gl_FragCoord.y/vpZHeight));","float zdepth = (depthVec.r*256.0 + depthVec.g)/257.0;","zdepth = zdepth * 2.0 - 1.0;","if (cameraParallel == 0) {","zdepth = -2.0 * camFar * camNear / (zdepth*(camFar-camNear)-(camFar+camNear)) - camNear;}","else {",`zdepth = (zdepth + 1.0) * 0.5 * (camFar - camNear);}
-`,"zdepth = -zdepth/rayDirVC.z;","dists.y = min(zdepth,dists.y);"]).result),l=k.substitute(l,"//VTK::BlendMode",`${e.previousState.blendMode}`).result,l=k.substitute(l,"//VTK::NumberOfLights",`${e.previousState.numberOfLights}`).result,l=k.substitute(l,"//VTK::MaxLaoKernelSize",`${e.previousState.maxLaoKernelSize}`).result,l=k.substitute(l,"//VTK::NumberOfComponents",`${e.previousState.numberOfComponents}`).result,l=k.substitute(l,"//VTK::MaximumNumberOfSamples",`${e.previousState.maximumNumberOfSamples}`).result,f.Fragment=l;const h=e.previousState.numberOfClippingPlanes;h>0&&(l=k.substitute(l,"//VTK::ClipPlane::Dec",["uniform vec3 vClipPlaneNormals[6];","uniform float vClipPlaneDistances[6];","uniform vec3 vClipPlaneOrigins[6];","uniform int clip_numPlanes;","//VTK::ClipPlane::Dec","#define vtkClippingPlanesOn"],!1).result,l=k.substitute(l,"//VTK::ClipPlane::Impl",[`for(int i = 0; i < ${h}; i++) {`,"  float rayDirRatio = dot(rayDirVC, vClipPlaneNormals[i]);","  float equationResult = dot(vertexVCVSOutput, vClipPlaneNormals[i]) + vClipPlaneDistances[i];","  if (rayDirRatio == 0.0)","  {","    if (equationResult < 0.0) dists.x = dists.y;","    continue;","  }","  float result = -1.0 * equationResult / rayDirRatio;","  if (rayDirRatio < 0.0) dists.y = min(dists.y, result);","  else dists.x = max(dists.x, result);","}","//VTK::ClipPlane::Impl"],!1).result),f.Fragment=l},t.getNeedToRebuildShaders=(f,g,u)=>{const l=!!e.zBufferTexture,p=e.currentValidInputs.length,h=e.numberOfLights,v=e.numberOfComponents,y=e.useIndependentComponents,T=u.getProperties(),C=e.currentValidInputs[0],d=T[C.inputIndex],x=p>1,w=C.imageData.getBounds(),S=P.getDiagonalLength(w),M=Math.ceil(S/t.getCurrentSampleDistance(g));M>e.renderable.getMaximumSamplesPerRay()&&aE(`The number of steps required ${M} is larger than the specified maximum number of steps ${e.renderable.getMaximumSamplesPerRay()}.
-Please either change the volumeMapper sampleDistance or its maximum number of samples.`);const E=y?v:1;let R=!1;for(let z=0;z<E;++z)if(d.getUseGradientOpacity(z)){R=!0;break}let L=0;const D=d.getLAOKernelSize();D>L&&d.getLocalAmbientOcclusion()&&d.getAmbient()>0&&(L=D);const m=e.renderable.getClippingPlanes().length,F=e.renderable.getViewSpecificProperties().OpenGL?.ShaderReplacements,V=e.currentRenderPass?.getShaderReplacement(),N=e.renderable.getBlendMode(),B=(()=>{if(N!==_t.LABELMAP_EDGE_PROJECTION_BLEND&&n(d))return 5;if(y)switch(d.getColorMixPreset()){case ai.ADDITIVE:return 1;case ai.COLORIZE:return 2;case ai.CUSTOM:return 3;default:return 4}return 0})(),G=d.getVolumetricScatteringBlending()<1,U=d.getVolumetricScatteringBlending()>0;let _=!1;for(let z=0;z<v;++z)if(d.getForceNearestInterpolation(z)){_=!0;break}const b=[],$=[];for(let z=0;z<v;z++)d.getOpacityMode(z)===jp.PROPORTIONAL&&b.push(z),d.getForceNearestInterpolation(z)&&$.push(z);const W={numberOfComponents:v,useIndependentComponents:y,proportionalComponents:b,forceNearestComponents:$,blendMode:N,numberOfLights:h,numberOfValidInputs:p,maximumNumberOfSamples:M,hasZBufferTexture:l,maxLaoKernelSize:L,numberOfClippingPlanes:m,mapperShaderReplacements:F,renderPassShaderReplacements:V,colorForValueFunctionId:B,surfaceLightingEnabled:G,volumeLightingEnabled:U,forceNearestInterpolationEnabled:_,multiTexturePerVolumeEnabled:x,gradientOpacityEnabled:R};return f.getProgram()?.getHandle()===0||!e.previousState||!(0,xo.default)(e.previousState,W)?(e.previousState=W,!0):!1},t.updateShaders=(f,g,u)=>{if(t.getNeedToRebuildShaders(f,g,u)){const l={Vertex:null,Fragment:null,Geometry:null};t.buildShaders(l,g,u);const p=e._openGLRenderWindow.getShaderCache().readyShaderProgramArray(l.Vertex,l.Fragment,l.Geometry);if(!p)return ws("Error compiling volume mapper shader program."),f.setProgram(null),!1;p!==f.getProgram()&&(f.setProgram(p),f.getVAO().releaseGraphicsResources()),f.getShaderSourceTime().modified()}else if(!e._openGLRenderWindow.getShaderCache().readyShaderProgram(f.getProgram()))return f.setProgram(null),!1;return f.getVAO().bind(),t.setMapperShaderParameters(f,g,u),t.setCameraShaderParameters(f,g,u),t.setPropertyShaderParameters(f,g,u),t.getClippingPlaneShaderParameters(f,g,u),!0},t.setMapperShaderParameters=(f,g,u)=>{const l=f.getProgram();if(!l)return;f.getCABO().getElementCount()&&(e.VBOBuildTime.getMTime()>f.getAttributeUpdateTime().getMTime()||f.getShaderSourceTime().getMTime()>f.getAttributeUpdateTime().getMTime())&&(l.isAttributeUsed("vertexDC")&&(f.getVAO().addAttributeArray(l,f.getCABO(),"vertexDC",f.getCABO().getVertexOffset(),f.getCABO().getStride(),e.context.FLOAT,3,e.context.FALSE)||ws("Error setting vertexDC in shader VAO.")),f.getAttributeUpdateTime().modified());const p=t.getCurrentSampleDistance(g);l.setUniformf("sampleDistance",p);const h=p*e.renderable.getVolumeShadowSamplingDistFactor();l.setUniformf("volumeShadowSampleDistance",h),e.scalarTextures.forEach((x,w)=>{l.setUniformi(`volumeTexture[${w}]`,x.getTextureUnit())});const v=u.getProperties()[e.currentValidInputs[0].inputIndex].getIpScalarRange(),y=new Float32Array(4),T=new Float32Array(4),C=(x,w,S)=>{w?.dataComputedScale?.length&&(y[x]=v[0]*w.dataComputedScale[S]+w.dataComputedOffset[S],T[x]=v[1]*w.dataComputedScale[S]+w.dataComputedOffset[S],y[x]=(y[x]-w.offset[S])/w.scale[S],T[x]=(T[x]-w.offset[S])/w.scale[S])};if(e.previousState.multiTexturePerVolumeEnabled)e.scalarTextures.forEach((x,w)=>{C(w,x.getVolumeInfo(),0)});else{const x=e.scalarTextures[0].getVolumeInfo();for(let w=0;w<4;++w)C(w,x,w)}const d="volume";if(l.setUniform4f(`${d}.ipScalarRangeMin`,y[0],y[1],y[2],y[3]),l.setUniform4f(`${d}.ipScalarRangeMax`,T[0],T[1],T[2],T[3]),e.zBufferTexture!==null){l.setUniformi("zBufferTexture",e.zBufferTexture.getTextureUnit());const x=e._useSmallViewport?[e._smallViewportWidth,e._smallViewportHeight]:e._openGLRenderWindow.getFramebufferSize();l.setUniformf("vpZWidth",x[0]),l.setUniformf("vpZHeight",x[1])}},t.setCameraShaderParameters=(f,g,u)=>{const{idxToView:l,vecISToVCMatrix:p,modelToView:h,projectionToView:v,projectionToWorld:y}=iE,T=e.openGLCamera.getKeyMatrices(g),C=e.openGLVolume.getKeyMatrices();X(h,T.wcvc,C.mcwc);const d=f.getProgram(),x=e.openGLCamera.getRenderable(),w=x.getParallelProjection(),S=x.getClippingRange();d.setUniformf("camThick",S[1]-S[0]),d.setUniformf("camNear",S[0]),d.setUniformf("camFar",S[1]),d.setUniformi("cameraParallel",w);const M=e.currentValidInputs[0],E=M.imageData.getBounds(),R=P.getCorners(E,[]).map(A=>{if(ie(A,A,h),!w){const H=-S[0]/(A[2]*Qr(A));Ht(A,A,H)}return ie(A,A,T.vcpc),A}),L=P.addPoints([...P.INIT_BOUNDS],R);d.setUniformf("dcxmin",L[0]),d.setUniformf("dcxmax",L[1]),d.setUniformf("dcymin",L[2]),d.setUniformf("dcymax",L[3]);const D=t.getRenderTargetSize();d.setUniformf("vpWidth",D[0]),d.setUniformf("vpHeight",D[1]);const m=t.getRenderTargetOffset();d.setUniformf("vpOffsetX",m[0]/D[0]),d.setUniformf("vpOffsetY",m[1]/D[1]),Ne(v,T.vcpc),d.setUniformMatrix("PCVCMatrix",v),d.setUniformi("twoSidedLighting",g.getTwoSidedLighting());const F=new Array(2*e.previousState.maxLaoKernelSize);for(let A=0;A<e.previousState.maxLaoKernelSize;A++)F[A*2]=Math.random(),F[A*2+1]=Math.random();if(d.setUniform2fv("kernelSample",F),e.numberOfLights>0){let A=0;g.getLights().forEach(H=>{if(H.getSwitch()>0){const le=`lights[${A}]`,Er=H.getColor(),wn=H.getIntensity(),Qe=Ht([],Er,wn);d.setUniform3fv(`${le}.color`,Qe);const Rr=H.getTransformedPosition();ie(Rr,Rr,h),d.setUniform3fv(`${le}.positionVC`,Rr);const xt=[...H.getDirection()];Tr(xt,xt,T.normalMatrix),Bt(xt,xt),d.setUniform3fv(`${le}.directionVC`,xt);const Mr=[-.5*xt[0],-.5*xt[1],-.5*(xt[2]-1)];d.setUniform3fv(`${le}.halfAngleVC`,Mr);const Ca=H.getAttenuationValues();d.setUniform3fv(`${le}.attenuation`,Ca);const J0=H.getExponent();d.setUniformf(`${le}.exponent`,J0);const ev=H.getConeAngle();d.setUniformf(`${le}.coneAngle`,ev);const tv=H.getPositional();d.setUniformi(`${le}.isPositional`,tv),A++}})}const V="volume",N=u.getProperties()[M.inputIndex],B=M.imageData,G=B.getSpatialExtent(),U=B.getSpacing(),_=B.getDimensions(),b=B.getIndexToWorld(),$=B.getWorldToIndex(),W=B.getDirectionByReference();X(l,h,b),d.setUniform3fv(`${V}.spacing`,U);const z=ui([],U);d.setUniform3fv(`${V}.inverseSpacing`,z),d.setUniform3iv(`${V}.dimensions`,_),d.setUniform3fv(`${V}.inverseDimensions`,ui([],_)),d.setUniformMatrix(`${V}.worldToIndex`,$),p.fill(0);const ae=o1(new Float64Array(3),_,U);p[0]=ae[0],p[4]=ae[1],p[8]=ae[2],Pn(p,W,p),Pn(p,C.normalMatrix,p),Pn(p,T.normalMatrix,p),d.setUniformMatrix3x3(`${V}.vecISToVCMatrix`,p),d.setUniformMatrix3x3(`${V}.vecVCToISMatrix`,Ut(new Float32Array(9),p));const ee=Hs(G[0],G[2],G[4]),q=ie(new Float64Array(3),ee,l);d.setUniform3fv(`${V}.originVC`,q);const oe=Qr(ae);if(d.setUniformf(`${V}.diagonalLength`,oe),n(N)){const A=x.getDistance();x.setClippingRange(A,A+.1);const H=e.openGLCamera.getKeyMatrices(g);Ne(y,H.wcpc),x.setClippingRange(S[0],S[1]),e.openGLCamera.getKeyMatrices(g),d.setUniformMatrix(`${V}.PCWCMatrix`,y)}if(N.getVolumetricScatteringBlending()>0&&(d.setUniformf(`${V}.globalIlluminationReach`,N.getGlobalIlluminationReach()),d.setUniformf(`${V}.volumetricScatteringBlending`,N.getVolumetricScatteringBlending()),d.setUniformf(`${V}.anisotropy`,N.getAnisotropy()),d.setUniformf(`${V}.anisotropySquared`,N.getAnisotropy()**2)),N.getLocalAmbientOcclusion()&&N.getAmbient()>0){const A=N.getLAOKernelSize();d.setUniformi(`${V}.kernelSize`,A);const H=N.getLAOKernelRadius();d.setUniformi(`${V}.kernelRadius`,H)}else d.setUniformi(`${V}.kernelSize`,0)},t.setPropertyShaderParameters=(f,g,u)=>{const l=f.getProgram();l.setUniformi("jtexture",e.jitterTexture.getTextureUnit());const p=u.getProperties();l.setUniformi("labelOutlineThicknessTexture",e.labelOutlineThicknessTexture.getTextureUnit()),l.setUniformi("opacityTexture",e.opacityTexture.getTextureUnit()),l.setUniformi("colorTexture",e.colorTexture.getTextureUnit());const h="volume",v=p[e.currentValidInputs[0].inputIndex],y=e.previousState.numberOfComponents,T=e.previousState.useIndependentComponents;if(T){const R=new Float32Array(4);for(let m=0;m<y;m++)R[m]=v.getComponentWeight(m);l.setUniform4fv(`${h}.independentComponentMix`,R);const L=new Float32Array(4),D=1/y;for(let m=0;m<y;++m)L[m]=(m+.5)*D;l.setUniform4fv(`${h}.transferFunctionsSampleHeight`,L)}const C=e.colorForValueFunctionId;l.setUniformi(`${h}.colorForValueFunctionId`,C);const d=v.getComputeNormalFromOpacity();l.setUniformi(`${h}.computeNormalFromOpacity`,d);const x=new Float32Array(4),w=new Float32Array(4),S=new Float32Array(4),M=new Float32Array(4);for(let R=0;R<y;R++){const L=e.previousState.multiTexturePerVolumeEnabled,D=L?R:0,m=L?0:R,F=e.scalarTextures[D].getVolumeInfo(),V=T?R:0,N=F.scale[m],B=v.getRGBTransferFunction(V).getRange();x[R]=N/(B[1]-B[0]),w[R]=(F.offset[m]-B[0])/(B[1]-B[0]);const G=v.getScalarOpacity(V).getRange();S[R]=N/(G[1]-G[0]),M[R]=(F.offset[m]-G[0])/(G[1]-G[0])}if(l.setUniform4fv(`${h}.colorTextureScale`,x),l.setUniform4fv(`${h}.colorTextureShift`,w),l.setUniform4fv(`${h}.opacityTextureScale`,S),l.setUniform4fv(`${h}.opacityTextureShift`,M),e.previousState.gradientOpacityEnabled){const R=new Array(4),L=new Array(4),D=new Array(4),m=new Array(4);if(T)for(let F=0;F<y;++F){const V=e.previousState.multiTexturePerVolumeEnabled,N=V?F:0,B=V?0:F,G=e.scalarTextures[N].getVolumeInfo().scale[B];if(v.getUseGradientOpacity(F)){const U=[v.getGradientOpacityMinimumOpacity(F),v.getGradientOpacityMaximumOpacity(F)],_=[v.getGradientOpacityMinimumValue(F),v.getGradientOpacityMaximumValue(F)];D[F]=U[0],m[F]=U[1],R[F]=G*(U[1]-U[0])/(_[1]-_[0]),L[F]=-_[0]*(U[1]-U[0])/(_[1]-_[0])+U[0]}else D[F]=1,m[F]=1,R[F]=0,L[F]=1}else{const F=y-1,V=e.previousState.multiTexturePerVolumeEnabled,N=V?F:0,B=V?0:F,G=e.scalarTextures[N].getVolumeInfo().scale[B],U=[v.getGradientOpacityMinimumOpacity(0),v.getGradientOpacityMaximumOpacity(0)],_=[v.getGradientOpacityMinimumValue(0),v.getGradientOpacityMaximumValue(0)];D[0]=U[0],m[0]=U[1],R[0]=G*(U[1]-U[0])/(_[1]-_[0]),L[0]=-_[0]*(U[1]-U[0])/(_[1]-_[0])+U[0]}l.setUniform4f(`${h}.gradientOpacityScale`,R),l.setUniform4f(`${h}.gradientOpacityShift`,L),l.setUniform4f(`${h}.gradientOpacityMin`,D),l.setUniform4f(`${h}.gradientOpacityMax`,m)}const E=v.getLabelOutlineOpacity();if(l.setUniformf(`${h}.outlineOpacity`,E),e.numberOfLights>0){l.setUniformf(`${h}.ambient`,v.getAmbient()),l.setUniformf(`${h}.diffuse`,v.getDiffuse()),l.setUniformf(`${h}.specular`,v.getSpecular());const R=v.getSpecularPower();l.setUniformf(`${h}.specularPower`,R===0?1:R)}},t.getClippingPlaneShaderParameters=(f,g,u)=>{if(e.renderable.getClippingPlanes().length>0){const l=e.openGLCamera.getKeyMatrices(g),p=[],h=[],v=[],y=e.renderable.getClippingPlanes(),T=y.length;for(let d=0;d<T;++d){const x=y[d].getNormal(),w=y[d].getOrigin();Tr(x,x,l.normalMatrix),ie(w,w,l.wcvc);const S=-1*zi(w,x);p.push(x[0]),p.push(x[1]),p.push(x[2]),h.push(S),v.push(w[0]),v.push(w[1]),v.push(w[2])}const C=f.getProgram();C.setUniform3fv("vClipPlaneNormals",p),C.setUniformfv("vClipPlaneDistances",h),C.setUniform3fv("vClipPlaneOrigins",v),C.setUniformi("clip_numPlanes",T)}},t.delete=Sn(()=>{e._animationRateSubscription&&(e._animationRateSubscription.unsubscribe(),e._animationRateSubscription=null)},()=>{e._openGLRenderWindow&&c(e._openGLRenderWindow)},t.delete),t.getRenderTargetSize=()=>{if(e._useSmallViewport)return[e._smallViewportWidth,e._smallViewportHeight];const{usize:f,vsize:g}=e._openGLRenderer.getTiledSizeAndOrigin();return[f,g]},t.getRenderTargetOffset=()=>{const{lowerLeftU:f,lowerLeftV:g}=e._openGLRenderer.getTiledSizeAndOrigin();return[f,g]},t.getCurrentSampleDistance=f=>{const g=f.getVTKWindow().getInteractor(),u=e.renderable.getSampleDistance();return g.isAnimating()?u*e.renderable.getInteractionSampleDistanceFactor():u},t.renderPieceStart=(f,g)=>{const u=f.getVTKWindow().getInteractor();if(e._lastScale||(e._lastScale=e.renderable.getInitialInteractionScale()),e._useSmallViewport=!1,u.isAnimating()&&e._lastScale>1.5&&(e._useSmallViewport=!0),e._animationRateSubscription||(e._animationRateSubscription=u.onAnimationFrameRateUpdate(()=>{if(e.renderable.getAutoAdjustSampleDistances()){const p=u.getRecentAnimationFrameRate(),h=u.getDesiredUpdateRate()/p;(h>1.15||h<.85)&&(e._lastScale*=h),e._lastScale>400&&(e._lastScale=400),e._lastScale<1.5&&(e._lastScale=1.5)}else e._lastScale=e.renderable.getImageSampleDistance()*e.renderable.getImageSampleDistance()})),e._useSmallViewport){const p=e._openGLRenderWindow.getFramebufferSize(),h=1/Math.sqrt(e._lastScale);if(e._smallViewportWidth=Math.ceil(h*p[0]),e._smallViewportHeight=Math.ceil(h*p[1]),e._smallViewportHeight>p[1]&&(e._smallViewportHeight=p[1]),e._smallViewportWidth>p[0]&&(e._smallViewportWidth=p[0]),e.framebuffer.saveCurrentBindingsAndBuffers(),e.framebuffer.getGLFramebuffer()===null)e.framebuffer.create(p[0],p[1]),e.framebuffer.populateFramebuffer();else{const y=e.framebuffer.getSize();(!y||y[0]!==p[0]||y[1]!==p[1])&&(e.framebuffer.create(p[0],p[1]),e.framebuffer.populateFramebuffer())}e.framebuffer.bind();const v=e.context;v.clearColor(0,0,0,0),v.colorMask(!0,!0,!0,!0),v.clear(v.COLOR_BUFFER_BIT),v.viewport(0,0,e._smallViewportWidth,e._smallViewportHeight),e.fvp=[e._smallViewportWidth/p[0],e._smallViewportHeight/p[1]]}e.context.disable(e.context.DEPTH_TEST),t.updateBufferObjects(f,g);const l=g.getProperties();e.currentValidInputs.forEach(({inputIndex:p})=>{const h=l[p].getInterpolationType(),v=e.scalarTextures[p];h===Hp.NEAREST?(v.setMinificationFilter(I.NEAREST),v.setMagnificationFilter(I.NEAREST)):(v.setMinificationFilter(I.LINEAR),v.setMagnificationFilter(I.LINEAR))}),e.zBufferTexture!==null&&e.zBufferTexture.activate()},t.renderPieceDraw=(f,g)=>{const u=e.context,l=[...e.scalarTextures,e.colorTexture,e.opacityTexture,e.labelOutlineThicknessTexture,e.jitterTexture];if(l.forEach(p=>p.activate()),!t.updateShaders(e.tris,f,g)){l.forEach(p=>p.deactivate());return}u.drawArrays(u.TRIANGLES,0,e.tris.getCABO().getElementCount()),e.tris.getVAO().release(),l.forEach(p=>p.deactivate())},t.renderPieceFinish=(f,g)=>{if(e.zBufferTexture!==null&&e.zBufferTexture.deactivate(),e._useSmallViewport){if(e.framebuffer.restorePreviousBindingsAndBuffers(),e.copyShader===null){e.copyShader=e._openGLRenderWindow.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","uniform vec2 tfactor;","varying vec2 tcoord;","void main() { tcoord = vec2(vertexDC.x*0.5 + 0.5, vertexDC.y*0.5 + 0.5) * tfactor; gl_Position = vertexDC; }"].join(`
-`),["//VTK::System::Dec","//VTK::Output::Dec","uniform sampler2D texture1;","varying vec2 tcoord;","void main() { gl_FragData[0] = texture2D(texture1,tcoord); }"].join(`
-`),"");const h=e.copyShader;e.copyVAO=va.newInstance(),e.copyVAO.setOpenGLRenderWindow(e._openGLRenderWindow),e.tris.getCABO().bind(),e.copyVAO.addAttributeArray(h,e.tris.getCABO(),"vertexDC",e.tris.getCABO().getVertexOffset(),e.tris.getCABO().getStride(),e.context.FLOAT,3,e.context.FALSE)||ws("Error setting vertexDC in copy shader VAO.")}else e._openGLRenderWindow.getShaderCache().readyShaderProgram(e.copyShader);const u=e._openGLRenderWindow.getFramebufferSize();e.context.viewport(0,0,u[0],u[1]);const l=e.framebuffer.getColorTexture();l.activate(),e.copyShader.setUniformi("texture",l.getTextureUnit()),e.copyShader.setUniform2f("tfactor",e.fvp[0],e.fvp[1]);const p=e.context;p.blendFuncSeparate(p.ONE,p.ONE_MINUS_SRC_ALPHA,p.ONE,p.ONE_MINUS_SRC_ALPHA),e.context.drawArrays(e.context.TRIANGLES,0,e.tris.getCABO().getElementCount()),l.deactivate(),p.blendFuncSeparate(p.SRC_ALPHA,p.ONE_MINUS_SRC_ALPHA,p.ONE,p.ONE_MINUS_SRC_ALPHA)}},t.renderPiece=(f,g)=>{t.invokeEvent({type:"StartEvent"}),e.renderable.update();const u=e.renderable.getNumberOfInputPorts();e.currentValidInputs=[];for(let p=0;p<u;++p){const h=e.renderable.getInputData(p);h&&!h.isDeleted()&&e.currentValidInputs.push({imageData:h,inputIndex:p})}let l=0;if(e.currentValidInputs.length>0){const p=g.getProperties(),h=e.currentValidInputs[0],v=h.imageData.getPointData().getScalars(),y=p[h.inputIndex];y.getShade()&&e.renderable.getBlendMode()===_t.COMPOSITE_BLEND&&f.getLights().forEach(C=>{C.getSwitch()>0&&l++});const T=e.currentValidInputs.length;e.numberOfComponents=T>1?T:v.getNumberOfComponents(),e.useIndependentComponents=r(y,e.numberOfComponents)}l!==e.numberOfLights&&(e.numberOfLights=l,t.modified()),t.invokeEvent({type:"EndEvent"}),e.currentValidInputs.length!==0&&(t.renderPieceStart(f,g),t.renderPieceDraw(f,g),t.renderPieceFinish(f,g))},t.updateBufferObjects=(f,g)=>{t.getNeedToRebuildBufferObjects(f,g)&&t.buildBufferObjects(f,g)},t.getNeedToRebuildBufferObjects=(f,g)=>e.VBOBuildTime.getMTime()<t.getMTime()||e.VBOBuildTime.getMTime()<g.getMTime()||e.VBOBuildTime.getMTime()<g.getProperty(e.currentValidInputs[0].inputIndex)?.getMTime()||e.VBOBuildTime.getMTime()<e.renderable.getMTime()||e.currentValidInputs.some(({imageData:u})=>e.VBOBuildTime.getMTime()<u.getMTime())||e.scalarTextures.length!==e.currentValidInputs.length||!e.scalarTextures.every(u=>!!u?.getHandle())||!e.colorTexture?.getHandle()||!e.opacityTexture?.getHandle()||!e.labelOutlineThicknessTexture?.getHandle()||!e.jitterTexture?.getHandle(),t.buildBufferObjects=(f,g)=>{if(!e.jitterTexture.getHandle()){const D=new Float32Array(1024);for(let m=0;m<1024;++m)D[m]=Math.random();e.jitterTexture.setMinificationFilter(I.NEAREST),e.jitterTexture.setMagnificationFilter(I.NEAREST),e.jitterTexture.create2DFromRaw({width:32,height:32,numComps:1,dataType:J.FLOAT,data:D})}const u=g.getProperties(),l=u[e.currentValidInputs[0].inputIndex],p=e.numberOfComponents,h=e.useIndependentComponents,v=h?p:1,y=[];for(let D=0;D<v;++D)y.push(l.getScalarOpacity(D));const T=xn(y,h,v),C=l.getScalarOpacity(),d=e._openGLRenderWindow.getGraphicsResourceForObject(C);if(!d?.oglObject?.getHandle()||d.hash!==T){const D=Q.newInstance();D.setOpenGLRenderWindow(e._openGLRenderWindow);let m=e.renderable.getOpacityTextureWidth();m<=0&&(m=e.context.getParameter(e.context.MAX_TEXTURE_SIZE));const F=m*2*v,V=new Float32Array(F),N=new Float32Array(m);for(let B=0;B<v;++B){const G=l.getScalarOpacity(B),U=t.getCurrentSampleDistance(f)/l.getScalarOpacityUnitDistance(B),_=G.getRange();G.getTable(_[0],_[1],m,N,1);for(let b=0;b<m;++b)V[B*m*2+b]=1-(1-N[b])**U,V[B*m*2+b+m]=V[B*m*2+b]}if(D.resetFormatAndType(),D.setMinificationFilter(I.LINEAR),D.setMagnificationFilter(I.LINEAR),e._openGLRenderWindow.getWebgl2()||e.context.getExtension("OES_texture_float")&&e.context.getExtension("OES_texture_float_linear"))D.create2DFromRaw({width:m,height:2*v,numComps:1,dataType:J.FLOAT,data:V});else{const B=new Uint8ClampedArray(F);for(let G=0;G<F;++G)B[G]=255*V[G];D.create2DFromRaw({width:m,height:2*v,numComps:1,dataType:J.UNSIGNED_CHAR,data:B})}C&&e._openGLRenderWindow.setGraphicsResourceForObject(C,D,T),e.opacityTexture=D}else e.opacityTexture=d.oglObject;o(e._openGLRenderWindow,e._opacityTextureCore,C),e._opacityTextureCore=C;const x=[];for(let D=0;D<v;++D)x.push(l.getRGBTransferFunction(D));const w=xn(x,h,v),S=l.getRGBTransferFunction(),M=e._openGLRenderWindow.getGraphicsResourceForObject(S);if(!M?.oglObject?.getHandle()||M?.hash!==w){const D=Q.newInstance();D.setOpenGLRenderWindow(e._openGLRenderWindow);let m=e.renderable.getColorTextureWidth();m<=0&&(m=e.context.getParameter(e.context.MAX_TEXTURE_SIZE));const F=m*2*v*3,V=new Uint8ClampedArray(F),N=new Float32Array(m*3);for(let B=0;B<v;++B){const G=l.getRGBTransferFunction(B),U=G.getRange();G.getTable(U[0],U[1],m,N,1);for(let _=0;_<m*3;++_)V[B*m*6+_]=255*N[_],V[B*m*6+_+m*3]=255*N[_]}D.resetFormatAndType(),D.setMinificationFilter(I.LINEAR),D.setMagnificationFilter(I.LINEAR),D.create2DFromRaw({width:m,height:2*v,numComps:3,dataType:J.UNSIGNED_CHAR,data:V}),e._openGLRenderWindow.setGraphicsResourceForObject(S,D,w),e.colorTexture=D}else e.colorTexture=M.oglObject;o(e._openGLRenderWindow,e._colorTextureCore,S),e._colorTextureCore=S,e.currentValidInputs.forEach(({imageData:D,inputIndex:m},F)=>{const V=u[m],N=D.getPointData().getScalars(),B=e._openGLRenderWindow.getGraphicsResourceForObject(N),G=ic(D,N),U=!B?.oglObject?.getHandle()||B?.hash!==G,_=V.getUpdatedExtents(),b=!!_.length;if(U&&!b){const $=Q.newInstance();$.setOpenGLRenderWindow(e._openGLRenderWindow);const W=D.getDimensions();$.setOglNorm16Ext(e.context.getExtension("EXT_texture_norm16")),$.resetFormatAndType(),$.create3DFilterableFromDataArray({width:W[0],height:W[1],depth:W[2],dataArray:N,preferSizeOverAccuracy:V.getPreferSizeOverAccuracy()}),e._openGLRenderWindow.setGraphicsResourceForObject(N,$,G),e.scalarTextures[F]=$}else e.scalarTextures[F]=B.oglObject;if(b){V.setUpdatedExtents([]);const $=D.getDimensions();e.scalarTextures[F].create3DFilterableFromDataArray({width:$[0],height:$[1],depth:$[2],dataArray:N,updatedExtents:_})}o(e._openGLRenderWindow,e._scalarTexturesCore[F],N),e._scalarTexturesCore[F]=N});const E=l.getLabelOutlineThickness(),R=e._openGLRenderWindow.getGraphicsResourceForObject(E),L=E.join("-");if(!R?.oglObject?.getHandle()||R?.hash!==L){const D=Q.newInstance();D.setOpenGLRenderWindow(e._openGLRenderWindow);let m=e.renderable.getLabelOutlineTextureWidth();m<=0&&(m=e.context.getParameter(e.context.MAX_TEXTURE_SIZE));const F=1,V=m*F,N=new Uint8Array(V);for(let B=0;B<m;++B)N[B]=typeof E[B]<"u"?E[B]:E[0];D.resetFormatAndType(),D.setMinificationFilter(I.NEAREST),D.setMagnificationFilter(I.NEAREST),D.create2DFromRaw({width:m,height:F,numComps:1,dataType:J.UNSIGNED_CHAR,data:N}),E&&e._openGLRenderWindow.setGraphicsResourceForObject(E,D,L),e.labelOutlineThicknessTexture=D}else e.labelOutlineThicknessTexture=R.oglObject;if(o(e._openGLRenderWindow,e._labelOutlineThicknessTextureCore,E),e._labelOutlineThicknessTextureCore=E,!e.tris.getCABO().getElementCount()){const D=new Float32Array(12);for(let N=0;N<4;N++)D[N*3]=N%2*2-1,D[N*3+1]=N>1?1:-1,D[N*3+2]=-1;const m=new Uint16Array(8);m[0]=3,m[1]=0,m[2]=1,m[3]=3,m[4]=3,m[5]=0,m[6]=3,m[7]=2;const F=j.newInstance({numberOfComponents:3,values:D});F.setName("points");const V=j.newInstance({numberOfComponents:1,values:m});e.tris.getCABO().createVBO(V,"polys",dt.SURFACE,{points:F,cellOffset:0})}e.VBOBuildTime.modified()}}var oE={context:null,VBOBuildTime:null,scalarTextures:[],_scalarTexturesCore:[],opacityTexture:null,_opacityTextureCore:null,colorTexture:null,_colorTextureCore:null,labelOutlineThicknessTexture:null,_labelOutlineThicknessTextureCore:null,jitterTexture:null,tris:null,framebuffer:null,copyShader:null,copyVAO:null,lastXYF:1,targetXYF:1,zBufferTexture:null,lastZBufferTexture:null,fullViewportTime:1,idxToView:null,vecISToVCMatrix:null,modelToView:null,projectionToView:null,avgWindowArea:0,avgFrameTime:0};function cE(t,e,r={}){Object.assign(e,oE,r),Fe.extend(t,e,r),$t.implementBuildShadersWithReplacements(t,e,r),e.VBOBuildTime={},ye(e.VBOBuildTime,{mtime:0}),e.tris=ft.newInstance(),e.jitterTexture=Q.newInstance(),e.jitterTexture.setWrapS(aa.REPEAT),e.jitterTexture.setWrapT(aa.REPEAT),e.framebuffer=Qn.newInstance(),Ce(t,e,["context"]),sE(t,e)}var fE=ce(cE,"vtkOpenGLVolumeMapper");Oe("vtkVolumeMapper",fE);var{vtkDebugMacro:uE}=ke;function gE(t,e){e.classHierarchy.push("vtkOpenGLPixelSpaceCallbackMapper"),t.opaquePass=(r,n)=>{e._openGLRenderer=t.getFirstAncestorOfType("vtkOpenGLRenderer"),e._openGLRenderWindow=e._openGLRenderer.getLastAncestorOfType("vtkOpenGLRenderWindow");const a=e._openGLRenderer.getAspectRatio(),i=e._openGLRenderer?e._openGLRenderer.getRenderable().getActiveCamera():null,s=e._openGLRenderer.getTiledSizeAndOrigin();let o=null;if(e.renderable.getUseZValues()){const c=n.getZBufferTexture(),f=Math.floor(c.getWidth()),g=Math.floor(c.getHeight()),u=e._openGLRenderWindow.getContext();c.bind();const l=n.getFramebuffer();l?l.saveCurrentBindingsAndBuffers():uE("No framebuffer to save/restore");const p=u.createFramebuffer();u.bindFramebuffer(u.FRAMEBUFFER,p),u.framebufferTexture2D(u.FRAMEBUFFER,u.COLOR_ATTACHMENT0,u.TEXTURE_2D,c.getHandle(),0),u.checkFramebufferStatus(u.FRAMEBUFFER)===u.FRAMEBUFFER_COMPLETE&&(o=new Uint8Array(f*g*4),u.viewport(0,0,f,g),u.readPixels(0,0,f,g,u.RGBA,u.UNSIGNED_BYTE,o)),l&&l.restorePreviousBindingsAndBuffers(),u.deleteFramebuffer(p)}e.renderable.invokeCallback(e.renderable.getInputData(),i,a,s,o)},t.queryPass=(r,n)=>{r&&e.renderable.getUseZValues()&&n.requestDepth()}}var lE={};function pE(t,e,r={}){Object.assign(e,lE,r),Fe.extend(t,e,r),gE(t,e)}var hE=ce(pE,"vtkOpenGLPixelSpaceCallbackMapper");Oe("vtkPixelSpaceCallbackMapper",hE);var vE=`//VTK::System::Dec
-
-//=========================================================================
-//
-//  Program:   Visualization Toolkit
-//  Module:    vtkLineIntegralConvolution2D_LIC0.glsl
-//
-//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-//  All rights reserved.
-//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-//
-//     This software is distributed WITHOUT ANY WARRANTY; without even
-//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-//     PURPOSE.  See the above copyright notice for more information.
-//
-//=========================================================================
-
-/**
-This shader initializes the convolution for the LIC computation.
-*/
-
-// the output of this shader
-layout(location = 0) out vec4 LICOutput;
-layout(location = 1) out vec4 SeedOutput;
-
-uniform sampler2D texMaskVectors;
-uniform sampler2D texNoise;
-uniform sampler2D texLIC;
-
-uniform int   uStepNo;         // in step 0 initialize lic and seeds, else just seeds
-uniform int   uPassNo;         // in pass 1 hpf of pass 0 is convolved.
-uniform float uMaskThreshold;  // if |V| < uMaskThreshold render transparent
-uniform vec2  uNoiseBoundsPt1; // tc of upper right pt of noise texture
-
-in vec2 tcoordVC;
-
-// convert from vector coordinate space to noise coordinate space.
-// the noise texture is tiled across the *whole* domain
-vec2 VectorTCToNoiseTC(vec2 vectc)
-{
-  return vectc/uNoiseBoundsPt1;
-}
-
-// get the texture coordidnate to lookup noise value. this
-// depends on the pass number.
-vec2 getNoiseTC(vec2 vectc)
-{
-  // in pass 1 : convert from vector tc to noise tc
-  // in pass 2 : use vector tc
-  if (uPassNo == 0)
-    {
-    return VectorTCToNoiseTC(vectc);
-    }
-  else
-    {
-    return vectc;
-    }
-}
-
-// look up noise value at the given location. The location
-// is supplied in vector texture coordinates, hence the
-// need to convert to noise texture coordinates.
-float getNoise(vec2 vectc)
-{
-  return texture2D(texNoise, getNoiseTC(vectc)).r;
-}
-
-void main(void)
-{
-  vec2 vectc = tcoordVC.st;
-
-  // lic => (convolution, mask, 0, step count)
-  if (uStepNo == 0)
-    {
-    float maskCriteria = length(texture2D(texMaskVectors, vectc).xyz);
-    float maskFlag;
-    if (maskCriteria <= uMaskThreshold)
-      {
-      maskFlag = 1.0;
-      }
-    else
-      {
-      maskFlag = 0.0;
-      }
-    float noise = getNoise(vectc);
-    LICOutput = vec4(noise, maskFlag, 0.0, 1.0);
-    }
-  else
-    {
-    LICOutput = texture2D(texLIC, vectc);
-    }
-
-  // initial seed
-  SeedOutput = vec4(vectc, 0.0, 1.0);
-}
-`,TE=`//VTK::System::Dec
-
-//=========================================================================
-//
-//  Program:   Visualization Toolkit
-//  Module:    vtkLineIntegralConvolution2D_fs1.glsl
-//
-//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-//  All rights reserved.
-//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-//
-//     This software is distributed WITHOUT ANY WARRANTY; without even
-//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-//     PURPOSE.  See the above copyright notice for more information.
-//
-//=========================================================================
-
-// the output of this shader
-layout(location = 0) out vec4 LICOutput;
-layout(location = 1) out vec4 SeedOutput;
-
-uniform sampler2D  texVectors;
-uniform sampler2D  texNoise;
-uniform sampler2D  texLIC;
-uniform sampler2D  texSeedPts;
-
-uniform int   uPassNo;          // in pass 1 hpf of pass 0 is convolved.
-uniform float uStepSize;        // step size in parametric space
-
-uniform vec2  uNoiseBoundsPt1;  // tc of upper right pt of noise texture
-
-in vec2 tcoordVC;
-
-//VTK::LICVectorLookup::Impl
-
-// We need to do this manually since CLAMP_TO_BORDER and and borderColor
-// are very poorly supported in webgl
-vec2 clampToBorder(vec2 uv){
-  if(uv.x < 0.0 || uv.x > 1.0 || uv.y < 0.0 || uv.y > 1.0)
-  {
-    return vec2(0.0, 0.0);
-  }
-  return getVector(uv);
-}
-
-// convert from vector coordinate space to noise coordinate space.
-// the noise texture is tiled across the whole domain
-vec2 VectorTCToNoiseTC(vec2 vectc)
-{
-  return vectc/uNoiseBoundsPt1;
-}
-
-// get the texture coordidnate to lookup noise value.
-// in pass 1 repeatedly tile the noise texture across
-// the computational domain.
-vec2 getNoiseTC(vec2 tc)
-{
-  if (uPassNo == 0)
-    {
-    return VectorTCToNoiseTC(tc);
-    }
-  else
-    {
-    return tc;
-    }
-}
-
-// look up noise value at the given location. The location
-// is supplied in vector texture coordinates, hence the need
-// to convert to either noise or lic texture coordinates in
-// pass 1 and 2 respectively.
-float getNoise(vec2 vectc)
-{
-  return texture2D(texNoise, getNoiseTC(vectc)).r;
-}
-
-// fourth-order Runge-Kutta streamline integration
-// no bounds checks are made, therefore it's essential
-// to have the entire texture initialized to 0
-// and set clamp to border and have border color 0
-// an integer is set if the step was taken, keeping
-// an accurate step count is necessary to prevent
-// boundary artifacts. Don't count the step if
-// all vector lookups are identically 0. This is
-// a proxy for "stepped outside valid domain"
-vec2 rk4(vec2 pt0, float dt, out bool count)
-{
-  count=true;
-  float dtHalf = dt * 0.5;
-  vec2 pt1;
-
-  vec2 v0 = clampToBorder(pt0);
-  pt1 = pt0 + v0 * dtHalf;
-
-  vec2 v1 = clampToBorder(pt1);
-  pt1 = pt0 + v1 * dtHalf;
-
-  vec2 v2 = clampToBorder(pt1);
-  pt1 = pt0 + v2 * dt;
-
-  vec2 v3 = clampToBorder(pt1);
-  vec2 vSum = v0 + v1 + v1 + v2 + v2 + v3;
-
-  if (vSum == vec2(0.0, 0.0))
-    {
-      count = false;
-    }
-
-  pt1 = pt0 + (vSum) * (dt * (1.0/6.0));
-
- return pt1;
-}
-
-void main(void)
-{
-  vec2 lictc = tcoordVC.st;
-  vec4 lic = texture2D(texLIC, lictc);
-  vec2 pt0 = texture2D(texSeedPts, lictc).st;
-
-  bool count;
-  vec2 pt1 = rk4(pt0, uStepSize, count);
-
-  if (count)
-    {
-    // accumulate lic step
-    // (lic, mask, 0, step count)
-    float noise = getNoise(pt1);
-    LICOutput = vec4(lic.r + noise, lic.g, 0.0, lic.a + 1.0);
-    SeedOutput = vec4(pt1, 0.0, 1.0);
-    }
-  else
-    {
-    // keep existing values
-    LICOutput = lic;
-    SeedOutput = vec4(pt0, 0.0, 1.0);
-    }
-}
-`,yE=` //VTK::System::Dec
-
-//=========================================================================
-//
-//  Program:   Visualization Toolkit
-//  Module:    vtkLineIntegralConvolution2D_LICN.glsl
-//
-//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-//  All rights reserved.
-//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-//
-//     This software is distributed WITHOUT ANY WARRANTY; without even
-//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-//     PURPOSE.  See the above copyright notice for more information.
-//
-//=========================================================================
-
-// the output of this shader
-layout(location = 0) out vec4 LICOutput;
-layout(location = 1) out vec4 SeedOutput;
-
-/**
-This shader finalizes the convolution for the LIC computation
-applying the normalization. eg. if box kernel is used the this
-is the number of steps taken.
-*/
-
-uniform sampler2D texLIC;
-
-in vec2 tcoordVC;
-
-void main(void)
-{
-  vec4 conv = texture2D(texLIC, tcoordVC.st);
-  conv.r = conv.r/conv.a;
-  // lic => (convolution, mask, 0, 1)
-  LICOutput = vec4(conv.rg , 0.0, 1.0);
-  SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);
-}
-`,dE=`//VTK::System::Dec
-
-//=========================================================================
-//
-//  Program:   Visualization Toolkit
-//  Module:    vtkLineIntegralConvolution2D_CE.glsl
-//
-//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-//  All rights reserved.
-//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-//
-//     This software is distributed WITHOUT ANY WARRANTY; without even
-//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-//     PURPOSE.  See the above copyright notice for more information.
-//
-//=========================================================================
-
-// gray scale contrast enhance stage implemented via histogram stretching
-// if the min and max are tweaked it can generate out-of-range values
-// these will be clamped in 0 to 1
-
-// the output of this shader
-layout(location = 0) out vec4 LICOutput;
-layout(location = 1) out vec4 SeedOutput;
-
-
-uniform sampler2D texLIC;  // most recent lic pass
-uniform float uMin;        // min gray scale color value
-uniform float uMaxMinDiff; // max-min
-
-in vec2 tcoordVC;
-
-void main( void )
-{
-  vec4 lic = texture2D(texLIC, tcoordVC.st);
-  if (lic.g!=0.0)
-    {
-    LICOutput = lic;
-    }
-  else
-    {
-    float CElic = clamp((lic.r - uMin)/uMaxMinDiff, 0.0, 1.0);
-    LICOutput = vec4(CElic, lic.gb, 1.0);
-    }
-    SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);
-}
-`,CE=`//VTK::System::Dec
-
-//=========================================================================
-//
-//  Program:   Visualization Toolkit
-//  Module:    vtkLineIntegralConvolution2D_fs2.glsl
-//
-//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-//  All rights reserved.
-//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-//
-//     This software is distributed WITHOUT ANY WARRANTY; without even
-//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-//     PURPOSE.  See the above copyright notice for more information.
-//
-//=========================================================================
-
-// high-pass filter stage employed by vtkLineIntegralConvolution2D
-// between LIC pass 1 and LIC pass 2. filtered LIC pass 1, becomes
-// noise for pass2.
-
-// the output of this shader
-layout(location = 0) out vec4 EEOutput;
-
-uniform sampler2D texLIC; // most recent lic pass
-uniform float     uDx;    // fragment size
-uniform float     uDy;    // fragment size
-
-in vec2 tcoordVC;
-
-// kernel for simple laplace edge enhancement.
-// p=Laplace(p)+p
-float K[9] = float[9](
-  -1.0, -1.0, -1.0,
-  -1.0,  9.0, -1.0,
-  -1.0, -1.0, -1.0
-  );
-
-// determine if the fragment was masked
-bool Masked(float val) { return val != 0.0; }
-
-void main(void)
-{
-  // tex coord neighbor offsets
-  vec2 fragDx[9] = vec2[9](
-    vec2(-uDx, uDy), vec2(0.0, uDy), vec2(uDx, uDy),
-    vec2(-uDx, 0.0), vec2(0.0, 0.0), vec2(uDx, 0.0),
-    vec2(-uDx,-uDy), vec2(0.0,-uDy), vec2(uDx,-uDy)
-    );
-
-  vec2 lictc = tcoordVC.st;
-
-  // compute the convolution but don't use convovled values if
-  // any masked fragments on the stencil. Fragments outside
-  // the valid domain are masked during initialization, and
-  // texture wrap parameters are clamp to border with border
-  // color that contains masked flag
-  float conv = 0.0;
-  bool dontUse = false;
-  for (int i=0; i<9; ++i)
-    {
-    vec2 tc = lictc + fragDx[i];
-    vec4 lic = texture2D(texLIC, tc);
-    dontUse = dontUse || Masked(lic.g);
-    conv = conv + K[i] * lic.r;
-    }
-
-  if (dontUse)
-    {
-    EEOutput = vec4(texture2D(texLIC, lictc).rg, 0.0, 1.0);
-    }
-  else
-    {
-    conv = clamp(conv, 0.0, 1.0);
-    EEOutput = vec4(conv,texture2D(texLIC, lictc).g, 0.0, 1.0);
-    }
-
-}
-`,xE=`//VTK::System::Dec
-
-//=========================================================================
-//
-//  Program:   Visualization Toolkit
-//  Module:    vtkLineIntegralConvolution2D_AAH.glsl
-//
-//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-//  All rights reserved.
-//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-//
-//     This software is distributed WITHOUT ANY WARRANTY; without even
-//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-//     PURPOSE.  See the above copyright notice for more information.
-//
-//=========================================================================
-
-// Anti-alias stage in vtkLineIntegralConvolution2D
-// horizontal pass of a Gaussian convolution
-
-// the output of this shader
-layout(location = 0) out vec4 LICOutput;
-layout(location = 1) out vec4 SeedOutput;
-
-uniform sampler2D texLIC; // input texture
-uniform float     uDx;    // fragment size
-
-in vec2 tcoordVC;
-
-// factored 3x3 Gaussian kernel
-// K^T*K = G
-float K[3] = float[3](0.141421356, 0.707106781, 0.141421356);
-
-// determine if the fragment was masked
-bool Masked(float val){ return val != 0.0; }
-
-void main(void)
-{
-// neighbor offsets
-vec2 fragDx[3] = vec2[3](vec2(-uDx,0.0), vec2(0.0,0.0), vec2(uDx,0.0));
-
-  vec2 lictc = tcoordVC.st;
-  vec4 lic[3];
-  bool dontUse = false;
-  float conv = 0.0;
-  for (int i=0; i<3; ++i)
-    {
-    vec2 tc = lictc + fragDx[i];
-    lic[i] = texture2D(texLIC, tc);
-    dontUse = dontUse || Masked(lic[i].g);
-    conv = conv + K[i] * lic[i].r;
-    }
-  // output is (conv, mask, skip, 1)
-  if (dontUse)
-    {
-    LICOutput = vec4(lic[1].rg, 1.0, 1.0);
-    }
-  else
-    {
-    LICOutput = vec4(conv, lic[1].gb, 1.0);
-    }
-  SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);
-}
-`,SE=`//VTK::System::Dec
-
-//=========================================================================
-//
-//  Program:   Visualization Toolkit
-//  Module:    vtkLineIntegralConvolution2D_VT.glsl
-//
-//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-//  All rights reserved.
-//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-//
-//     This software is distributed WITHOUT ANY WARRANTY; without even
-//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-//     PURPOSE.  See the above copyright notice for more information.
-//
-//=========================================================================
-
-// move vector field to normalized image space
-// pre-processing for vtkLineIntegralConvolution2D
-
-// the output of this shader
-//VTK::Output::Dec
-
-// Fragment shader used by the gaussian blur filter render pass.
-
-uniform sampler2D texVectors; // input texture
-uniform vec2      uTexSize;   // size of texture
-
-in vec2 tcoordVC;
-
-void main(void)
-{
-  //VTK::LICComponentSelection::Impl
-  V = V/uTexSize;
-  gl_FragData[0] = vec4(V, 0.0, 1.0);
-}
-`,wE=`//VTK::System::Dec
-
-//=========================================================================
-//
-//  Program:   Visualization Toolkit
-//  Module:    vtkLineIntegralConvolution2D_AAV.glsl
-//
-//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-//  All rights reserved.
-//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-//
-//     This software is distributed WITHOUT ANY WARRANTY; without even
-//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-//     PURPOSE.  See the above copyright notice for more information.
-//
-//=========================================================================
-
-// Anti-alias stage in vtkLineIntegralConvolution2D
-// vertical pass of a Gaussian convolution
-
-// the output of this shader
-layout(location = 0) out vec4 LICOutput;
-layout(location = 1) out vec4 SeedOutput;
-
-uniform sampler2D texLIC; // input texture
-uniform float     uDy;    // fragment size
-
-in vec2 tcoordVC;
-
-
-// factored 3x3 Gaussian kernel
-// K^T*K = G
-float K[3] = float[3](0.141421356, 0.707106781, 0.141421356);
-
-// determine if the fragment was masked
-bool Masked(float val){ return val != 0.0; }
-
-void main(void)
-{
-// neighbor offsets
-vec2 fragDy[3] = vec2[3](vec2(0.0,-uDy), vec2(0.0,0.0), vec2(0.0,uDy));
-
-
-  vec2 lictc = tcoordVC.st;
-  vec4 lic[3];
-  bool dontUse = false;
-  float conv = 0.0;
-  for (int i=0; i<3; ++i)
-    {
-    vec2 tc = lictc + fragDy[i];
-    lic[i] = texture2D(texLIC, tc);
-    dontUse = dontUse || Masked(lic[i].g);
-    conv = conv + K[i] * lic[i].r;
-    }
-  // output is (conv, mask, skip, 1)
-  if (dontUse)
-    {
-    LICOutput = vec4(lic[1].rg, 1.0, 1.0);
-    }
-  else
-    {
-    LICOutput = vec4(conv, lic[1].gb, 1.0);
-    }
-  SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);
-}
-`,Kp=`//VTK::System::Dec
-
-/*=========================================================================
-
-  Program:   Visualization Toolkit
-  Module:    vtktextureObjectVS.glsl
-
-  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-  All rights reserved.
-  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notice for more information.
-
-=========================================================================*/
-
-attribute vec4 vertexDC;
-attribute vec2 tcoordDC;
-varying vec2 tcoordVC;
-
-void main()
-{
-  tcoordVC = tcoordDC;
-  gl_Position = vertexDC;
-}
-`,{Representation:OE}=tn;function EE(t){const e=ft.newInstance();e.setOpenGLRenderWindow(t);const r=new Float32Array(12);for(let c=0;c<4;c++)r[c*3]=c%2*2-1,r[c*3+1]=c>1?1:-1,r[c*3+2]=0;const n=new Float32Array([0,0,1,0,0,1,1,1]),a=new Uint16Array(8);a[0]=3,a[1]=0,a[2]=1,a[3]=3,a[4]=3,a[5]=0,a[6]=3,a[7]=2;const i=j.newInstance({numberOfComponents:3,values:r});i.setName("points");const s=j.newInstance({numberOfComponents:1,values:a}),o=j.newInstance({numberOfComponents:2,values:n});return e.getCABO().createVBO(s,"polys",OE.SURFACE,{points:i,cellOffset:0,tcoords:o}),e}function oc(t,[e,r],n,a){const i=t.getContext(),s=Q.newInstance({autoParameters:!1,wrapS:a,wrapT:a,minificationFilter:n,magnificationFilter:n,generateMipmap:!1,openGLDataType:i.FLOAT,baseLevel:0,maxLevel:0});return s.setOpenGLRenderWindow(t),s.setInternalFormat(i.RGBA32F),s.create2DFromRaw({width:e,height:r,numComps:4,dataType:"Float32Array",data:null}),s.activate(),s.sendParameters(),s.deactivate(),s}function ba(t,e){return oc(t,e,Q.Filter.NEAREST,Q.Wrap.CLAMP_TO_EDGE)}function RE(t,e){return oc(t,e,Q.Filter.NEAREST,Q.Wrap.CLAMP_TO_EDGE)}function ME(t,e){return oc(t,e,Q.Filter.LINEAR,Q.Wrap.CLAMP_TO_EDGE)}function mE(t,e){if(e.classHierarchy.push("vtkLICPingPongBufferManager"),!e._openGLRenderWindow){console.error("Pass renderwindow to ping pong manager");return}e.quad=EE(e._openGLRenderWindow),e.context=e._openGLRenderWindow.getContext(),e.licTexture0=ba(e._openGLRenderWindow,e.size),e.seedTexture0=ba(e._openGLRenderWindow,e.size),e.licTexture1=ba(e._openGLRenderWindow,e.size),e.seedTexture1=ba(e._openGLRenderWindow,e.size),e.eeTexture=e.doEEPass?RE(e._openGLRenderWindow,e.size):null,e.imageVectorTexture=e.doVTPass?ME(e._openGLRenderWindow,e.size):null,e.pingTextures[0]=e.licTexture0,e.pingTextures[1]=e.seedTexture0,e.pongTextures[0]=e.licTexture1,e.pongTextures[1]=e.seedTexture1,e.textures[0]=e.pingTextures,e.textures[1]=e.pongTextures,t.swap=()=>{e.readIndex=1-e.readIndex},t.renderQuad=(r,n)=>{const a=e.quad,i=e.context;let s=e.quadVAO;s||(s=va.newInstance(),s.setOpenGLRenderWindow(e._openGLRenderWindow),e.quadVAO=s),e.previousProgramHash!==n.getMd5Hash()&&(s.shaderProgramChanged(),a.getCABO().bind(),s.addAttributeArray(n,a.getCABO(),"vertexDC",a.getCABO().getVertexOffset(),a.getCABO().getStride(),e.context.FLOAT,3,e.context.FALSE),s.addAttributeArray(n,a.getCABO(),"tcoordDC",a.getCABO().getTCoordOffset(),a.getCABO().getStride(),e.context.FLOAT,2,e.context.FALSE),e.previousProgramHash=n.getMd5Hash()),i.drawArrays(i.TRIANGLES,0,a.getCABO().getElementCount()),s.release()},t.getLastLICBuffer=()=>e.readIndex===0?e.licTexture0:e.licTexture1,t.getLastSeedBuffer=()=>e.readIndex===0?e.seedTexture0:e.seedTexture1,t.getLICBuffer=()=>1-e.readIndex===0?e.licTexture0:e.licTexture1,t.getSeedBuffer=()=>1-e.readIndex===0?e.seedTexture0:e.seedTexture1,t.getLICTextureUnit=()=>{const r=e.textures[e.readIndex][0];return r.activate(),r.getTextureUnit()},t.getSeedTextureUnit=()=>{const r=e.textures[e.readIndex][1];return r.activate(),r.getTextureUnit()},t.getNoiseTextureUnit=(r=0)=>r===0?(e.noiseTexture.activate(),e.noiseTexture.getTextureUnit()):(e.eeTexture.activate(),e.eeTexture.getTextureUnit()),t.getVectorTextureUnit=()=>(e.vectorTexture.activate(),e.vectorTexture.getTextureUnit()),t.getImageVectorTextureUnit=()=>e.imageVectorTexture?(e.imageVectorTexture.activate(),e.imageVectorTexture.getTextureUnit()):t.getVectorTextureUnit(),t.getMaskVectorTextureUnit=()=>e.maskVectorTexture?(e.maskVectorTexture.activate(),e.maskVectorTexture.getTextureUnit()):t.getImageVectorTextureUnit(),t.clearBuffers=(r=!1)=>{const n=e.framebuffer,a=e.context;n.removeColorBuffer(0),n.removeColorBuffer(1),n.removeColorBuffer(2),n.removeColorBuffer(3),n.setColorBuffer(e.licTexture0,0),n.setColorBuffer(e.seedTexture0,1),n.setColorBuffer(e.licTexture1,2),n.setColorBuffer(e.seedTexture1,3);const i=[a.COLOR_ATTACHMENT0,a.COLOR_ATTACHMENT1,a.COLOR_ATTACHMENT2,a.COLOR_ATTACHMENT3];r&&(n.removeColorBuffer(4),n.setColorBuffer(e.eeTexture,4),i.push(a.COLOR_ATTACHMENT4)),a.drawBuffers(i),a.clearColor(0,1,0,0),a.disable(a.SCISSOR_TEST),a.disable(a.BLEND),a.clear(a.COLOR_BUFFER_BIT),n.removeColorBuffer(0),n.removeColorBuffer(1),n.removeColorBuffer(2),n.removeColorBuffer(3),r&&n.removeColorBuffer(4),a.drawBuffers([a.NONE])},t.clearBuffer=r=>{const n=e.framebuffer,a=e.context;n.removeColorBuffer(0),n.setColorBuffer(r,0),a.drawBuffers([a.COLOR_ATTACHMENT0]),a.clearColor(0,1,0,0),a.disable(a.SCISSOR_TEST),a.disable(a.BLEND),a.clear(a.COLOR_BUFFER_BIT),n.removeColorBuffer(r,0),a.drawBuffers([a.NONE])},t.activateVectorTextures=()=>{e.imageVectorTexture?e.imageVectorTexture.activate():e.vectorTexture.activate(),e.maskVectorTexture&&e.maskVectorTexture.activate()},t.deactivateVectorTextures=()=>{e.imageVectorTexture?e.imageVectorTexture.deactivate():e.vectorTexture.deactivate(),e.maskVectorTexture&&e.maskVectorTexture.deactivate()},t.activateNoiseTexture=(r=0)=>{switch(r){case 0:e.noiseTexture.activate();break;case 1:e.eeTexture.activate();break;default:console.error("Wrong LIC pass number")}},t.deactivateNoiseTexture=(r=0)=>{switch(r){case 0:e.noiseTexture.deactivate();break;case 1:e.eeTexture.deactivate();break;default:console.error("Wrong LIC pass number")}},t.attachLICBuffers=()=>{const r=e.textures[e.readIndex],n=e.textures[1-e.readIndex],a=e.framebuffer,i=e.context;r[0].activate(),r[1].activate(),a.removeColorBuffer(0),a.removeColorBuffer(1),a.setColorBuffer(n[0],0),a.setColorBuffer(n[1],1),i.drawBuffers([i.COLOR_ATTACHMENT0,i.COLOR_ATTACHMENT1])},t.detachLICBuffers=()=>{const r=e.textures[e.readIndex],n=e.context,a=e.framebuffer;r[0].deactivate(),r[1].deactivate(),a.removeColorBuffer(0),a.removeColorBuffer(1),n.drawBuffers([n.NONE])},t.attachImageVectorBuffer=()=>{const r=e.framebuffer,n=e.context;e.vectorTexture.activate(),r.removeColorBuffer(0),r.setColorBuffer(e.imageVectorTexture,0),n.drawBuffers([n.COLOR_ATTACHMENT0])},t.detachImageVectorBuffer=()=>{const r=e.context,n=e.framebuffer;e.vectorTexture.deactivate(),n.removeColorBuffer(0),r.drawBuffers([r.NONE])},t.attachEEBuffer=()=>{e.textures[e.readIndex][0].activate(),e.framebuffer.removeColorBuffer(0),e.framebuffer.setColorBuffer(e.eeTexture,0);const r=e.context;r.drawBuffers([r.COLOR_ATTACHMENT0])},t.detachEEBuffer=()=>{const r=e.context;e.framebuffer.removeColorBuffer(0),r.drawBuffers([r.NONE]),e.textures[e.readIndex][0].deactivate()},t.detachBuffers=()=>{const r=e.context,n=e.framebuffer;n.removeColorBuffer(0),n.removeColorBuffer(1),r.drawBuffers([r.NONE]);const a=e.textures[e.readIndex],i=e.textures[1-e.readIndex];a[0]&&a[0].deactivate(),a[1]&&a[1].deactivate(),i[0]&&i[0].deactivate(),i[1]&&i[1].deactivate(),e.eeTexture&&e.eeTexture.deactivate(),e.noiseTexture&&e.noiseTexture.deactivate()},t.getWriteIndex=()=>1-e.readIndex,t.detachBuffers()}var DE={vectorTexture:null,maskVectorTexture:null,noiseTexture:null,doEEPass:!1,doVTPass:!1,readIndex:0,quad:null,lastProgramHash:null,framebuffer:null,size:null,pingTextures:[],pongTextures:[],textures:[]};function Xp(t,e,r={}){Object.assign(e,DE,r),O.obj(t,e),O.get(t,e,["readIndex"]),O.setGet(t,e,["doEEPass","doVTPass","_openGLRenderWindow","vectorTexture","maskVectorTexture","noiseTexture","framebuffer","size"]),O.moveToProtected(t,e,["openGLRenderWindow"]),mE(t,e)}var VE=O.newInstance(Xp,"vtkLICPingPongBufferManager"),LE={newInstance:VE,extend:Xp},In={NONE:0,LIC:1,COLOR:2,BOTH:3},fo={UNIFORM:0,GAUSSIAN:1},FE={BLEND:0,MULTIPLY:1};function _E(t=!0){const e=`
-    vec2 getVector( vec2 vectc )
-
-      {
-
-      vec2 V = texture2D( texVectors, vectc ).xy;
-
-      // normalize if |V| not 0
-
-      float lenV = length( V );
-
-      if ( lenV > 1.0e-8 )
-
-        {
-
-        return V/lenV;
-
-        }
-
-      else
-
-        {
-
-        return vec2( 0.0, 0.0 );
-
-        }
-
-      }
-
-    `,r=`
-    vec2 getVector( vec2 vectc )
-
-      {
-
-      return texture2D( texVectors, vectc ).xy;
-
-      }
-
-    `;return t?e:r}function NE(t,e){e.classHierarchy.push("vtkLineIntegralConvolution2D"),t.buildAShader=a=>e._openGLRenderWindow.getShaderCache().readyShaderProgramArray(Kp,a,""),t.dumpTextureValues=(a,[i,s],o=e.context,c=e._openGLRenderWindow,f=4)=>{const g=Qn.newInstance(),u=o;let l=null;return g.setOpenGLRenderWindow(c),g.saveCurrentBindingsAndBuffers(),g.create(i,s),g.populateFramebuffer(),g.setColorBuffer(a),l=new Float32Array(i*s*f),u.readPixels(0,0,i,s,f===4?u.RGBA:u.RGB,u.FLOAT,l),g.restorePreviousBindingsAndBuffers(),l},t.getTextureMinMax=(a,i,s=e.context,o=e._openGLRenderWindow)=>{const c=t.dumpTextureValues(a,i,s,o,4);let f=Number.MAX_VALUE,g=Number.MIN_VALUE;for(let u=0;u<c.length;u+=4)if(c[u+1]===0){const l=c[u];l<f&&(f=l),l>g&&(g=l)}return{min:f,max:g}},t.getComponentSelectionProgram=a=>{const i="xyzw";return`.${i[a[0]]}${i[a[1]]}`},t.buildShaders=()=>{e.LIC0ShaderProgram=t.buildAShader(vE);const a=k.substitute(SE,"//VTK::LICComponentSelection::Impl",`vec2 V = texture2D(texVectors, tcoordVC.st)${t.getComponentSelectionProgram(e.componentIds)};`).result;e.VTProgram=t.buildAShader(a);const i=k.substitute(TE,"//VTK::LICVectorLookup::Impl",_E(e.normalizeVectors),!0).result;e.LICIShaderProgram=t.buildAShader(i),e.LICNShaderProgram=t.buildAShader(yE),e.CEProgram=t.buildAShader(dE),e.EEProgram=t.buildAShader(CE),e.AAHProgram=t.buildAShader(xE),e.AAVProgram=t.buildAShader(wE)};function r(a,i){a.setUniformi("texLIC",i.getLICTextureUnit()),a.setUniformi("texSeedPts",i.getSeedTextureUnit())}function n(a,i,s){a.attachLICBuffers(),a.renderQuad(i,s),a.detachLICBuffers(),a.swap()}t.executeLIC=(a,i,s,o,c,f)=>{if(e._openGLRenderWindow=c,e.context=c.getContext(),Object.assign(e,f),a[0]<=0||a[1]<=0)return null;const g=[1/a[0],1/a[1]];let u=e.stepSize*Math.sqrt(g[0]*g[0]+g[1]*g[1]);u<=0&&(u=1e-10);const l=e.context;let p=e.framebuffer;const h=p?.getSize();(!p||!h||a[0]!==h||a[1]!==h)&&(p=Qn.newInstance(),p.setOpenGLRenderWindow(e._openGLRenderWindow),p.saveCurrentBindingsAndBuffers(),p.create(...a),p.populateFramebuffer(),p.restorePreviousBindingsAndBuffers(),e.framebuffer=p),p.saveCurrentBindingsAndBuffers(),p.bind(),l.viewport(0,0,...a),l.scissor(0,0,...a),e.shadersNeedBuild&&(t.buildShaders(),e.shadersNeedBuild=!1),e.bufs?(e.bufs.setVectorTexture(i),e.bufs.setMaskVectorTexture(s),e.bufs.setNoiseTexture(o)):e.bufs=LE.newInstance({openGLRenderWindow:c,doEEPass:e.enhancedLIC,doVTPass:e.transformVectors,vectorTexture:i,maskVectorTexture:s,noiseTexture:o,framebuffer:p,size:a});const v=[(o.getWidth()+1)/a[0],(o.getHeight()+1)/a[1]],y=1/a[0],T=1/a[1],C=e._openGLRenderWindow.getShaderCache();if(e.transformVectors){const S=e.VTProgram;C.readyShaderProgram(S),e.bufs.attachImageVectorBuffer(),S.setUniform2f("uTexSize",...a),S.setUniformi("texVectors",e.bufs.getVectorTextureUnit()),l.clearColor(0,0,0,0),l.clear(l.COLOR_BUFFER_BIT),e.bufs.renderQuad(a,S),e.bufs.detachImageVectorBuffer()}e.bufs.clearBuffers(e.enhancedLIC),e.bufs.activateVectorTextures(),e.bufs.activateNoiseTexture(0);const{LIC0ShaderProgram:d}=e;C.readyShaderProgram(d),d.setUniformi("uStepNo",0),d.setUniformi("uPassNo",0),d.setUniformf("uMaskThreshold",e.maskThreshold),d.setUniform2f("uNoiseBoundsPt1",...v),d.setUniformi("texMaskVectors",e.bufs.getMaskVectorTextureUnit()),d.setUniformi("texLIC",e.bufs.getLICTextureUnit()),d.setUniformi("texNoise",e.bufs.getNoiseTextureUnit(0)),n(e.bufs,a,d);const{LICIShaderProgram:x}=e;C.readyShaderProgram(x),x.setUniformi("uPassNo",0),x.setUniformf("uStepSize",-u),x.setUniform2f("uNoiseBoundsPt1",...v),x.setUniformi("texVectors",e.bufs.getImageVectorTextureUnit()),x.setUniformi("texNoise",e.bufs.getNoiseTextureUnit(0));for(let S=0;S<e.numberOfSteps;++S)r(x,e.bufs),n(e.bufs,a,x);C.readyShaderProgram(d),d.setUniformi("uStepNo",1),r(d,e.bufs),n(e.bufs,a,d),C.readyShaderProgram(x),x.setUniformf("uStepSize",u);for(let S=0;S<e.numberOfSteps;++S)r(x,e.bufs),n(e.bufs,a,x);e.bufs.deactivateNoiseTexture(0),e.bufs.deactivateVectorTextures();const{LICNShaderProgram:w}=e;if(C.readyShaderProgram(w),w.setUniformi("texLIC",e.bufs.getLICTextureUnit()),n(e.bufs,a,w),e.enhancedLIC){(e.enhanceContrast===In.LIC||e.enhanceContrast===In.BOTH)&&t.contrastEnhance(!1,a),e.bufs.attachEEBuffer();const{EEProgram:S}=e;C.readyShaderProgram(S),S.setUniformi("texLIC",e.bufs.getLICTextureUnit()),S.setUniformf("uDx",y),S.setUniformf("uDy",T),e.bufs.renderQuad(a,S),e.bufs.detachEEBuffer(),e.bufs.detachBuffers(),e.bufs.clearBuffers(!1),e.bufs.activateVectorTextures(),e.bufs.activateNoiseTexture(1),C.readyShaderProgram(d),d.setUniformi("uStepNo",0),d.setUniformi("uPassNo",1),r(d,e.bufs),d.setUniformi("texNoise",e.bufs.getNoiseTextureUnit(1)),n(e.bufs,a,d),C.readyShaderProgram(x),x.setUniformi("uPassNo",1),x.setUniformf("uStepSize",-u),x.setUniformi("texNoise",e.bufs.getNoiseTextureUnit(1));const M=e.numberOfSteps/2;for(let E=0;E<M;++E)r(x,e.bufs),n(e.bufs,a,x);C.readyShaderProgram(d),d.setUniformi("uStepNo",1),r(d,e.bufs),n(e.bufs,a,d),C.readyShaderProgram(x),x.setUniformf("uStepSize",u);for(let E=0;E<M;++E)r(x,e.bufs),n(e.bufs,a,x);e.bufs.deactivateNoiseTexture(1),e.bufs.deactivateVectorTextures(),C.readyShaderProgram(w),w.setUniformi("texLIC",e.bufs.getLICTextureUnit()),w.setUniformi("texSeedPts",e.bufs.getSeedTextureUnit()),n(e.bufs,a,w)}if(e.antiAlias){const S=e.AAHProgram;C.readyShaderProgram(S),S.setUniformi("texLIC",e.bufs.getLICTextureUnit()),S.setUniformf("uDx",y);const M=e.AAVProgram;C.readyShaderProgram(M),M.setUniformi("texLIC",e.bufs.getLICTextureUnit()),M.setUniformf("uDy",T);for(let E=0;E<e.antiAlias;++E)C.readyShaderProgram(S),r(S,e.bufs),n(e.bufs,a,S),C.readyShaderProgram(M),r(M,e.bufs),n(e.bufs,a,M)}return(e.enhanceContrast===In.LIC||e.enhanceContrast===In.BOTH)&&t.contrastEnhance(!0,a),e.bufs.detachBuffers(),p.restorePreviousBindingsAndBuffers(),e.bufs.getLastLICBuffer()},t.contrastEnhance=(a,i)=>{const s=e._openGLRenderWindow.getShaderCache();let{min:o,max:c}=t.getTextureMinMax(e.bufs.getLastLICBuffer(),i,e.context,e._openGLRenderWindow);(c<=o||c>1||o<0)&&(console.error("Invalid color range: ",o,c),o=0,c=1);let f=c-o;a&&(o+=f*e.lowLICContrastEnhancementFactor,c-=f*e.highLICContrastEnhancementFactor,f=c-o);const{CEProgram:g}=e;s.readyShaderProgram(g),g.setUniformi("texLIC",e.bufs.getLICTextureUnit()),g.setUniformf("uMin",o),g.setUniformf("uMaxMinDiff",f),n(e.bufs,i,g)}}var BE={shadersNeedBuild:!0,stepSize:1,numberOfSteps:10,enhancedLIC:!0,enhanceContrast:!1,lowContrastEnhancementFactor:0,highContrastEnhancementFactor:0,antiAlias:0,componentIds:[0,1],normalizeVectors:!0,maskThreshold:0,transformVectors:!0,bufs:null,isComposite:!0};function Yp(t,e,r={}){Object.assign(e,BE,r),O.obj(t,e),O.setGet(t,e,["context","_openGLRenderWindow","nuberOfSteps","stepSize","normalizeVectors","maskThreshold","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","antiAlias","componentIds","isComposite"]),O.moveToProtected(t,e,["openGLRenderWindow"]),NE(t,e)}var kE=O.newInstance(Yp,"vtkLineIntegralConvolution2D"),GE={newInstance:kE,extend:Yp},UE=`//VTK::System::Dec
-
-//=========================================================================
-//
-//  Program:   Visualization Toolkit
-//  Module:    vtkSurfaceLICMapper_fs2.glsl
-//
-//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-//  All rights reserved.
-//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-//
-//     This software is distributed WITHOUT ANY WARRANTY; without even
-//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-//     PURPOSE.  See the above copyright notice for more information.
-//
-//=========================================================================
-
-// This shader combines surface geometry, LIC, and  scalar colors.
-
-// the output of this shader
-layout(location = 0) out vec4 RGBOutput;
-layout(location = 1) out vec4 HSLOutput;
-
-uniform sampler2D texVectors;       // vectors, depth
-uniform sampler2D texGeomColors;    // scalar colors + lighting
-uniform sampler2D texLIC;           // image lic
-uniform int       uScalarColorMode; // select between blend, and map shader
-uniform float     uLICIntensity;    // blend shader: blending factor for lic'd colors
-uniform float     uMapBias;         // map shader: adjust the brightness of the result
-uniform float     uMaskIntensity;   // blending factor for mask color
-uniform vec3      uMaskColor;       // color for the masked out fragments
-
-in vec2 tcoordVC;
-
-/**
-Convert from RGB color space into HSL colorspace.
-*/
-vec3 RGBToHSL(vec3 RGB)
-{
-  vec3 HSL = vec3(0.0, 0.0, 0.0);
-
-  float RGBMin = min(min(RGB.r, RGB.g), RGB.b);
-  float RGBMax = max(max(RGB.r, RGB.g), RGB.b);
-  float RGBMaxMinDiff = RGBMax - RGBMin;
-
-  HSL.z = (RGBMax + RGBMin) / 2.0;
-
-  if (RGBMaxMinDiff == 0.0)
-    {
-    // Gray scale
-    HSL.x = 0.0;
-    HSL.y = 0.0;
-    }
-  else
-    {
-    // Color
-    if (HSL.z < 0.5)
-      HSL.y = RGBMaxMinDiff / (RGBMax + RGBMin);
-    else
-      HSL.y = RGBMaxMinDiff / (2.0 - RGBMax - RGBMin);
-
-    float dR
-      = (((RGBMax - RGB.r) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;
-    float dG
-      = (((RGBMax - RGB.g) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;
-    float dB
-      = (((RGBMax - RGB.b) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;
-
-    if (RGB.r == RGBMax)
-      HSL.x = dB - dG;
-    else
-    if (RGB.g == RGBMax)
-      HSL.x = (1.0 / 3.0) + dR - dB;
-    else
-    if (RGB.b == RGBMax)
-      HSL.x = (2.0 / 3.0) + dG - dR;
-
-    if (HSL.x < 0.0)
-      HSL.x += 1.0;
-
-    if (HSL.x > 1.0)
-      HSL.x -= 1.0;
-    }
-
-  return HSL;
-}
-
-/**
-Helper for HSL to RGB conversion.
-*/
-float Util(float v1, float v2, float vH)
-{
-  if (vH < 0.0)
-    vH += 1.0;
-
-  if (vH > 1.0)
-     vH -= 1.0;
-
-  if ((6.0 * vH) < 1.0)
-    return (v1 + (v2 - v1) * 6.0 * vH);
-
-  if ((2.0 * vH) < 1.0)
-    return (v2);
-
-  if ((3.0 * vH) < 2.0)
-    return (v1 + (v2 - v1) * ((2.0 / 3.0) - vH) * 6.0);
-
-  return v1;
-}
-
-/**
-Convert from HSL space into RGB space.
-*/
-vec3 HSLToRGB(vec3 HSL)
-{
-  vec3 RGB;
-  if (HSL.y == 0.0)
-    {
-    // Gray
-    RGB.r = HSL.z;
-    RGB.g = HSL.z;
-    RGB.b = HSL.z;
-    }
-  else
-    {
-    // Chromatic
-    float v2;
-    if (HSL.z < 0.5)
-      v2 = HSL.z * (1.0 + HSL.y);
-    else
-      v2 = (HSL.z + HSL.y) - (HSL.y * HSL.z);
-
-    float v1 = 2.0 * HSL.z - v2;
-
-    RGB.r = Util(v1, v2, HSL.x + (1.0 / 3.0));
-    RGB.g = Util(v1, v2, HSL.x);
-    RGB.b = Util(v1, v2, HSL.x - (1.0 / 3.0));
-    }
-
-  return RGB.rgb;
-}
-
-void main()
-{
-  vec4 lic = texture2D(texLIC, tcoordVC.st);
-  vec4 geomColor = texture2D(texGeomColors, tcoordVC.st);
-
-  // depth is used to determine which fragment belong to us
-  // and we can change
-  float depth = texture2D(texVectors, tcoordVC.st).a;
-
-  vec3 fragColorRGB;
-  float valid;
-  if (depth > 1.0e-3)
-    {
-    // we own it
-    // shade LIC'ed geometry, or apply mask
-    if (lic.g!=0.0)
-      {
-      // it's masked
-      // apply fragment mask
-      fragColorRGB = uMaskIntensity * uMaskColor + (1.0 - uMaskIntensity) * geomColor.rgb;
-      valid = 0.0;
-      }
-    else
-      {
-      if (uScalarColorMode==0)
-        {
-        // blend with scalars
-        fragColorRGB = lic.rrr * uLICIntensity + geomColor.rgb * (1.0 - uLICIntensity);
-        }
-      else
-        {
-        // multiply with scalars
-        fragColorRGB = geomColor.rgb * clamp((uMapBias + lic.r), 0.0, 1.0);
-        }
-      if (lic.b != 0.0)
-        {
-        // didn't have the required guard pixels
-        // don't consider it in min max estimation
-        // for histpgram stretching
-        valid = 0.0;
-        }
-      else
-        {
-        // ok to use in min/max estimates for histogram
-        // stretching
-        valid = 1.0;
-        }
-      }
-    }
-  else
-    {
-    // we don't own it
-    // pass through scalars
-    fragColorRGB = geomColor.rgb;
-    valid = 0.0;
-    }
-
-  // if no further stages this texture is
-  // copied to the screen
-  RGBOutput = vec4(fragColorRGB, geomColor.a);
-
-  // if further stages, move to hsl space for contrast
-  // enhancement. encoding validity saves moving a texture to the cpu
-  vec3 fragColorHSL = RGBToHSL(fragColorRGB);
-  HSLOutput = vec4(fragColorHSL, valid);
-}
-`,bE=`//VTK::System::Dec
-
-//=========================================================================
-//
-//  Program:   Visualization Toolkit
-//  Module:    vtkSurfaceLICMapper_DCpy.glsl
-//
-//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-//  All rights reserved.
-//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-//
-//     This software is distributed WITHOUT ANY WARRANTY; without even
-//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-//     PURPOSE.  See the above copyright notice for more information.
-//
-//=========================================================================
-
-// This shader copies fragments and depths to the output buffer
-
-// the output of this shader
-//VTK::Output::Dec
-
-uniform sampler2D texDepth;     // z values from vertex shader
-uniform sampler2D texRGBColors; // final rgb LIC colors
-
-in vec2 tcoordVC;
-
-void main()
-{
-  gl_FragDepth = texture2D(texDepth, tcoordVC).x;
-  gl_FragData[0] = texture2D(texRGBColors, tcoordVC);
-
-  // since we render a screen aligned quad
-  // we're going to be writing fragments
-  // not touched by the original geometry
-  // it's critical not to modify those
-  // fragments.
-  if (gl_FragDepth == 1.0)
-    {
-    discard;
-    }
-}
-`,$E=`//VTK::System::Dec
-
-//=========================================================================
-//
-//  Program:   Visualization Toolkit
-//  Module:    vtkSurfaceLICMapper_CE.glsl
-//
-//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-//  All rights reserved.
-//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-//
-//     This software is distributed WITHOUT ANY WARRANTY; without even
-//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-//     PURPOSE.  See the above copyright notice for more information.
-//
-//=========================================================================
-
-// color contrast enhance stage implemented via histogram stretching
-// on lightness channel. if the min and max are tweaked it can generate
-// out-of-range values these will be clamped in 0 to 1
-
-// the output of this shader
-//VTK::Output::Dec
-
-uniform sampler2D texGeomColors; // scalars + lighting
-uniform sampler2D texLIC;        // image lic, mask
-uniform sampler2D texHSLColors;  // hsla colors
-
-uniform float     uLMin;         // min lightness over all fragments
-uniform float     uLMaxMinDiff;  // max - min lightness over all fragments
-
-in vec2 tcoordVC;
-
-vec3 HSLToRGB(vec3 HSL)
-{
-  vec3 RGB;
-  float v;
-  float h = HSL.x;
-  float sl = HSL.y;
-  float l = HSL.z;
-
-  v = (l <= 0.5) ? (l * (1.0 + sl)) : (l + sl - l * sl);
-  if (v <= 0.0) {
-    RGB = vec3(0.0,0.0,0.0);
-  } else {
-    float m;
-    int sextant;
-    float fract, vsf, mid1, mid2;
-
-    m = l + l - v;
-    h *= 6.0;
-    sextant = int(h);
-    fract = h - float(sextant);
-
-    vsf = (v - m) * fract;
-    mid1 = m + vsf;
-    mid2 = v - vsf;
-    switch (sextant) {
-      case 0: RGB.r = v; RGB.g = mid1; RGB.b = m; break;
-      case 1: RGB.r = mid2; RGB.g = v; RGB.b = m; break;
-      case 2: RGB.r = m; RGB.g = v; RGB.b = mid1; break;
-      case 3: RGB.r = m; RGB.g = mid2; RGB.b = v; break;
-      case 4: RGB.r = mid1; RGB.g = m; RGB.b = v; break;
-      case 5: RGB.r = v; RGB.g = m; RGB.b = mid2; break;
-    }
-  }
-  return RGB;
-}
-
-void main()
-{
-  // lookup hsl color , mask
-  vec4 fragColor = texture2D(texHSLColors, tcoordVC.st);
-
-  // don't modify masked fragments (masked => lic.g==1)
-  vec4 lic = texture2D(texLIC, tcoordVC.st);
-  if (lic.g==0.0)
-    {
-    // normalize lightness channel
-    fragColor.z = clamp((fragColor.z - uLMin)/uLMaxMinDiff, 0.0, 1.0);
-    }
-
-  // back into rgb space
-  fragColor.rgb = HSLToRGB(fragColor.xyz);
-
-  // add alpha
-  vec4 geomColor = texture2D(texGeomColors, tcoordVC.st);
-  fragColor.a = geomColor.a;
-
-  gl_FragData[0] = fragColor;
-}
-`;function zE(t,e){e.classHierarchy.push("vtkSurfaceLICInterface")}var WE={enableLIC:!1,nuberOfSteps:40,stepSize:.25,transformVectors:!0,normalizeVectors:!0,maskOnSurface:!1,maskThreshold:0,maskColor:[0,0,0],maskIntensity:0,enhancedLIC:!0,enhanceContrast:In.NONE,lowLICContrastEnhancementFactor:0,highLICContrastEnhancementFactor:0,lowColorContrastEnhancementFactor:0,highColorContrastEnhancementFactor:0,antiAlias:0,colorMode:FE.BLEND,LICIntensity:1,mapModeBias:0,noiseTextureSize:200,noiseTextureType:fo.GAUSSIAN,noiseGrainSize:8,noiseImpulseProbability:.1,noiseImpulseBackgroundValue:0,noiseGeneratorSeed:0,minNoiseValue:0,maxNoiseValue:1,numberOfNoiseLevels:2,shadersNeedBuilding:!0,reallocateTextures:!0,rebuildNoiseTexture:!1,viewPortScale:1};function qp(t,e,r={}){Object.assign(e,WE,r),O.obj(t,e),O.setGet(t,e,["enableLIC","numberOfSteps","stepSize","normalizeVectors","transformVectors","maskOnSurface","maskThreshold","maskColor","maskIntensity","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","lowColorContrastEnhancementFactor","highColorContrastEnhancementFactor","antiAlias","colorMode","LICIntensity","mapModeBias","noiseTextureSize","noiseTextureType","noiseGrainSize","minNoiseValue","maxNoiseValue","numberOfNoiseLevels","noiseImpulseProbability","noiseImpulseBackgroundValue","noiseGeneratorSeed","viewPortScale","rebuildNoiseTexture"]),zE(t,e)}var AE=O.newInstance(qp,"vtkSurfaceLICInterface"),Zp={newInstance:AE,extend:qp},{Representation:IE}=tn;function HE(t){const e=ft.newInstance();e.setOpenGLRenderWindow(t);const r=new Float32Array(12);for(let c=0;c<4;c++)r[c*3]=c%2*2-1,r[c*3+1]=c>1?1:-1,r[c*3+2]=0;const n=new Float32Array([0,0,1,0,0,1,1,1]),a=new Uint16Array(8);a[0]=3,a[1]=0,a[2]=1,a[3]=3,a[4]=3,a[5]=0,a[6]=3,a[7]=2;const i=j.newInstance({numberOfComponents:3,values:r});i.setName("points");const s=j.newInstance({numberOfComponents:1,values:a}),o=j.newInstance({numberOfComponents:2,values:n});return e.getCABO().createVBO(s,"polys",IE.SURFACE,{points:i,cellOffset:0,tcoords:o}),e}function jE(t,e){e.classHierarchy.push("vtkOpenGLSurfaceLICInterface"),t.renderQuad=(a,i)=>{const s=e.licQuad,o=e.context;let c=e.licQuadVAO;c||(c=va.newInstance(),c.setOpenGLRenderWindow(e._openGLRenderWindow),e.licQuadVAO=c),e.previousProgramHash!==i.getMd5Hash()&&(c.shaderProgramChanged(),s.getCABO().bind(),c.addAttributeArray(i,s.getCABO(),"vertexDC",s.getCABO().getVertexOffset(),s.getCABO().getStride(),e.context.FLOAT,3,e.context.FALSE),c.addAttributeArray(i,s.getCABO(),"tcoordDC",s.getCABO().getTCoordOffset(),s.getCABO().getStride(),e.context.FLOAT,2,e.context.FALSE),e.previousProgramHash=i.getMd5Hash()),o.drawArrays(o.TRIANGLES,0,s.getCABO().getElementCount()),c.release()};function r(a,i,s,o,c,f){const u=Math.max(0,Math.min(1,s)),l=Float32Array.from({length:a*a},()=>{let d=0;if(u===1||Math.random()>1-u)for(let x=0;x<2048;++x)d+=Math.random();return d});let p=0,h=2049;l.forEach(d=>{u===1?h=d<h?d:h:h=d<h&&d>0?d:h,p=d>p?d:p});let v=p-h;v===0&&(h=0,p===0?v=1:v=p);const y=i-1,T=y!==0?1/y:0,C=f-c;return l.map(d=>{const x=d<h?d:(d-h)/v,w=Math.floor(x*i),S=w>y?y:w;return d>=h?i===1?f:c+S*T*C:o})}function n([a,i],s,o,c){const f=c-o;return Float32Array.from({length:a*i},()=>{let g=Math.random();return g=Math.floor(g*s)/s,g=g*f+o,g>1?1:g<0?0:g})}t.generateNoiseTexture=a=>{if(!e.noiseTexture||e.licInterface.getRebuildNoiseTexture()){e.licInterface.setRebuildNoiseTexture(!1),e.noiseTexture&&e.noiseTexture.releaseGraphicsResources(),(0,lg.default)(e.noiseGeneratorSeed,{global:!0});let i=[];const{noiseTextureType:s,noiseGrainSize:o,numberOfNoiseLevels:c,noiseImpulseProbability:f,noiseImpulseBackgroundValue:g,minNoiseValue:u,maxNoiseValue:l}=e.licInterface.get("noiseTextureType","noiseGrainSize","numberOfNoiseLevels","noiseImpulseProbability","noiseImpulseBackgroundValue","minNoiseValue","maxNoiseValue");switch(s){case fo.GAUSSIAN:i=r(Math.floor(a/o),c,f,g,u,l);break;case fo.UNIFORM:default:i=n([Math.ceil(a/o),Math.ceil(a/o)],c,u,l)}const p=1/o,h=Float32Array.from({length:a*a*4},(y,T)=>{const C=T/4;if(T%4===0){const d=Math.floor(C%a*p),x=Math.floor(C/a*p);return i[x*(a/o)+d]}return T%4===1||T%4===3?1:0}),v=Q.newInstance({wrapS:Q.Wrap.REPEAT,wrapT:Q.Wrap.REPEAT,minificationFilter:Q.Filter.NEAREST,magnificationFilter:Q.Filter.NEAREST,generateMipMap:!1,openGLDataType:e.context.FLOAT,baseLevel:0,maxLevel:0,autoParameters:!1});v.setOpenGLRenderWindow(e._openGLRenderWindow),v.create2DFromRaw({width:a,height:a,numComps:4,dataType:"Float32Array",data:h}),v.activate(),v.sendParameters(),v.deactivate(),e.noiseTexture=v}},t.buildAShader=a=>e._openGLRenderWindow.getShaderCache().readyShaderProgramArray(Kp,a,""),t.allocateTextures=()=>{const a=Q.Filter.NEAREST,i=Q.Filter.LINEAR,s=e._openGLRenderWindow;e.geometryImage||(e.geometryImage=t.allocateTexture(s,a)),e.vectorImage||(e.vectorImage=t.allocateTexture(s,i)),e.maskVectorImage||(e.maskVectorImage=t.allocateTexture(s,i)),e.LICImage||(e.LICImage=t.allocateTexture(s,a)),e.RGBColorImage||(e.RGBColorImage=t.allocateTexture(s,a)),e.HSLColorImage||(e.HSLColorImage=t.allocateTexture(s,a)),e.depthTexture||(e.depthTexture=t.allocateDepthTexture(s))},t.allocateTexture=(a,i)=>{const s=e.context,o=Q.newInstance({wrapS:Q.Wrap.CLAMP_TO_EDGE,wrapT:Q.Wrap.CLAMP_TO_EDGE,minificationFilter:i,magnificationFilter:i,generateMipmap:!1,openGLDataType:s.FLOAT,baseLevel:0,maxLevel:0,autoParameters:!1});return o.setOpenGLRenderWindow(a),o.setInternalFormat(s.RGBA32F),o.create2DFromRaw({width:e.size[0],height:e.size[1],numComps:4,dataType:"Float32Array",data:null}),o.activate(),o.sendParameters(),o.deactivate(),o},t.allocateDepthTexture=a=>{const i=e.context,s=Q.newInstance({generateMipmap:!1,openGLDataType:i.FLOAT,autoParameters:!1});return s.setOpenGLRenderWindow(a),s.createDepthFromRaw({width:e.size[0],height:e.size[1],dataType:"Float32Array",data:null}),s.activate(),s.sendParameters(),s.deactivate(),s},t.createFBO=()=>{if(!e.framebuffer){e.licHelper=null;const a=Qn.newInstance();a.setOpenGLRenderWindow(e._openGLRenderWindow),a.saveCurrentBindingsAndBuffers(),a.create(...e.size),a.populateFramebuffer(),e.framebuffer=a,a.restorePreviousBindingsAndBuffers()}},t.completedGeometry=()=>{const a=e.context,i=e.framebuffer;i.removeColorBuffer(0),i.removeColorBuffer(1),i.removeColorBuffer(2),i.removeDepthBuffer(),a.drawBuffers([a.NONE]),i.restorePreviousBindingsAndBuffers()},t.buildAllShaders=()=>{e.shadersNeedBuilding&&(e.licColorPass=t.buildAShader(UE),e.licCopyPass=t.buildAShader(bE),e.enhanceContrastPass=t.buildAShader($E),e.shadersNeedBuilding=!1)},t.initializeResources=()=>{t.createFBO(),t.generateNoiseTexture(e.licInterface.getNoiseTextureSize()),t.allocateTextures(),t.buildAllShaders(),e.licQuad||(e.licQuad=HE(e._openGLRenderWindow)),e.licHelper||(e.licHelper=GE.newInstance())},t.prepareForGeometry=()=>{const a=e.framebuffer;a.saveCurrentBindingsAndBuffers(),a.bind(),e.geometryImage.activate(),e.vectorImage.activate(),e.maskVectorImage.activate(),a.removeColorBuffer(0),a.removeColorBuffer(2),a.removeColorBuffer(3),a.setColorBuffer(e.geometryImage,0),a.setColorBuffer(e.vectorImage,2),a.setColorBuffer(e.maskVectorImage,3),a.setDepthBuffer(e.depthTexture);const i=e.context;i.drawBuffers([i.COLOR_ATTACHMENT0,i.NONE,i.COLOR_ATTACHMENT2,i.COLOR_ATTACHMENT3]),i.viewport(0,0,...e.size),i.scissor(0,0,...e.size),i.disable(i.BLEND),i.disable(i.DEPTH_TEST),i.disable(i.SCISSOR_TEST),i.clearColor(0,0,0,0),i.clear(i.DEPTH_BUFFER_BIT|i.COLOR_BUFFER_BIT)},t.copyToScreen=a=>{e.RGBColorImage.activate(),e.depthTexture.activate(),e.licCopyPass||t.initializeResources();const i=e.licCopyPass;e._openGLRenderWindow.getShaderCache().readyShaderProgram(i);const s=e.context;s.viewport(0,0,...a),s.scissor(0,0,...a),s.disable(s.BLEND),s.enable(s.DEPTH_TEST),s.disable(s.SCISSOR_TEST),i.setUniformi("texDepth",e.depthTexture.getTextureUnit()),i.setUniformi("texRGBColors",e.RGBColorImage.getTextureUnit()),t.renderQuad(a,i),e.RGBColorImage.deactivate(),e.depthTexture.deactivate()},t.combineColorsAndLIC=()=>{const a=e.context,i=e.framebuffer;i.saveCurrentBindingsAndBuffers(),i.bind(),i.create(...e.size),i.removeColorBuffer(0),i.removeColorBuffer(1),i.setColorBuffer(e.RGBColorImage,0),i.setColorBuffer(e.HSLColorImage,1),a.drawBuffers([a.COLOR_ATTACHMENT0,a.COLOR_ATTACHMENT1]),a.disable(a.DEPTH_TEST),a.clearColor(0,0,0,0),a.clear(a.COLOR_BUFFER_BIT),e.vectorImage.activate(),e.geometryImage.activate(),e.LICImage.activate(),e.licColorPass||t.initializeResources();const s=e.licColorPass;e._openGLRenderWindow.getShaderCache().readyShaderProgram(s),s.setUniformi("texVectors",e.vectorImage.getTextureUnit()),s.setUniformi("texGeomColors",e.geometryImage.getTextureUnit());const{colorMode:o,LICIntensity:c,mapModeBias:f,maskIntensity:g,maskColor:u,enhanceContrast:l,lowColorContrastEnhancementFactor:p,highColorContrastEnhancementFactor:h}=e.licInterface.get("colorMode","LICIntensity","mapModeBias","maskIntensity","maskColor","enhanceContrast","lowColorContrastEnhancementFactor","highColorContrastEnhancementFactor");if(s.setUniformi("texLIC",e.LICImage.getTextureUnit()),s.setUniformi("uScalarColorMode",o),s.setUniformf("uLICIntensity",c),s.setUniformf("uMapBias",f),s.setUniformf("uMaskIntensity",g),s.setUniform3f("uMaskColor",...u),t.renderQuad(e.size,s),e.vectorImage.deactivate(),e.geometryImage.deactivate(),e.LICImage.deactivate(),i.removeColorBuffer(0),i.removeColorBuffer(1),a.drawBuffers([a.NONE]),l===In.COLOR||l===In.BOTH){let v=0,y=1,T=y-v;v+=T*p,y-=T*h,T=y-v,i.setColorBuffer(e.RGBColorImage),a.drawBuffers([a.COLOR_ATTACHMENT0]),e.geometryImage.activate(),e.HSLColorImage.activate(),e.LICImage.activate(),e.enhanceContrastPass||t.initializeResources();const{enhanceContrastPass:C}=e;e._openGLRenderWindow.getShaderCache().readyShaderProgram(C),C.setUniformi("texGeomColors",e.geometryImage.getTextureUnit()),C.setUniformi("texHSLColors",e.HSLColorImage.getTextureUnit()),C.setUniformi("texLIC",e.LICImage.getTextureUnit()),C.setUniformf("uLMin",v),C.setUniformf("uLMaxMinDiff",T),t.renderQuad(e.size,C),e.geometryImage.deactivate(),e.HSLColorImage.deactivate(),e.LICImage.deactivate(),i.removeColorBuffer(0),a.drawBuffers([a.NONE])}i.restorePreviousBindingsAndBuffers()},t.applyLIC=()=>{const a=e.licInterface.get("stepSize","numberOfSteps","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","antiAlias","normalizeVectors","maskThreshold","transformVectors"),i=e.licHelper.executeLIC(e.size,e.vectorImage,e.maskVectorImage,e.noiseTexture,e._openGLRenderWindow,a);if(!i){console.error("Failed to compute image LIC"),e.LICImage=null;return}e.LICImage=i},t.setSize=a=>{Array.isArray(a)&&a.length===2&&(!e.size||e.size[0]!==a[0]||e.size[1]!==a[1])&&(e.size=a,t.releaseGraphicsResources())},t.releaseGraphicsResources=()=>{e.geometryImage&&(e.geometryImage.releaseGraphicsResources(),e.geometryImage=null),e.vectorImage&&(e.vectorImage.releaseGraphicsResources(),e.vectorImage=null),e.maskVectorImage&&(e.maskVectorImage.releaseGraphicsResources(),e.maskVectorImage=null),e.LICImage&&(e.LICImage.releaseGraphicsResources(),e.LICImage=null),e.RGBColorImage&&(e.RGBColorImage.releaseGraphicsResources(),e.RGBColorImage=null),e.HSLColorImage&&(e.HSLColorImage.releaseGraphicsResources(),e.HSLColorImage=null),e.depthTexture&&(e.depthTexture.releaseGraphicsResources(),e.depthTexture=null),e.framebuffer&&(e.framebuffer.releaseGraphicsResources(),e.framebuffer=null)}}var PE={context:null,shadersNeedBuilding:!0,reallocateTextures:!0,size:null,licInterface:null};function Qp(t,e,r={}){Object.assign(e,PE,r),Zp.extend(t,e,r),O.obj(t,e),O.setGet(t,e,["context","_openGLRenderWindow","reallocateTextures","licInterface","size"]),O.moveToProtected(t,e,["openGLRenderWindow"]),jE(t,e)}var KE=O.newInstance(Qp,"vtkSurfaceLICInterface"),XE={newInstance:KE,extend:Qp},{vtkErrorMacro:$a}=ke;function YE(t,e){e.classHierarchy.push("vtkOpenGLSurfaceLICMapper");const r={...t};t.getNeedToRebuildShaders=(n,a,i)=>e.rebuildLICShaders||r.getNeedToRebuildShaders(n,a,i),t.replaceShaderValues=(n,a,i)=>{const s=e.lastBoundBO.getReferenceByName("lastLightComplexity");let o=n.Vertex,c=n.Fragment;const f=e.renderable.getInputArrayToProcess(0);if(f&&e.canDrawLIC){c=k.substitute(c,"//VTK::Output::Dec",["//VTK::Output::Dec","layout(location = 2) out vec4 vectorTexture;","layout(location = 3) out vec4 maskVectorTexture;"]).result;const g=`${f.getName()}MC`;s===0&&e.lastBoundBO.set({lastLightComplexity:1},!0),o=k.substitute(o,"//VTK::TCoord::Dec",[`attribute vec3 ${g};`,"out vec3 licOutput;","//VTK::TCoord::Dec"]).result,o=k.substitute(o,"//VTK::TCoord::Impl",[`licOutput = ${g};`,"//VTK::TCoord::Impl"]).result,c=k.substitute(c,"//VTK::TCoord::Dec",["uniform int uMaskOnSurface;","uniform mat3 normalMatrix;","in vec3 licOutput;","//VTK::TCoord::Dec"]).result,c=k.substitute(c,"//VTK::TCoord::Impl",["// projected vectors","  vec3 tcoordLIC = normalMatrix * licOutput;","  vec3 normN = normalize(normalVCVSOutput);","  float k = dot(tcoordLIC, normN);","  vec3 projected = (tcoordLIC - k*normN);","  vectorTexture = vec4(projected.x, projected.y, 0.0 , 1.0);","// vectors for fragment masking","  if (uMaskOnSurface == 0)","    {","    maskVectorTexture = vec4(licOutput, 1.0);","    }","  else","    {","    maskVectorTexture = vec4(projected.x, projected.y, 0.0 , 1.0);","    }","//VTK::TCoord::Impl"],!1).result,n.Vertex=o}e.rebuildLICShaders=!1,n.Fragment=c,r.replaceShaderValues(n,a,i),s>0&&e.lastBoundBO.set({lastLightComplexity:s},!0)},t.setMapperShaderParameters=(n,a,i)=>{r.setMapperShaderParameters(n,a,i),e.canDrawLIC&&n.getProgram().setUniformi("uMaskOnSurface",e.maskOnSurface)},t.getNeedToRebuildBufferObjects=(n,a)=>e.rebuildLICBuffers||r.getNeedToRebuildBufferObjects(n,a),t.buildBufferObjects=(n,a)=>{if(e.canDrawLIC){const i=e.renderable.getInputArrayToProcess(0);i&&i.getNumberOfComponents()>1&&e.renderable.setCustomShaderAttributes([i.getName()])}e.rebuildLICBuffers=!1,r.buildBufferObjects(n,a)},t.pushState=n=>{e.stateCache={[n.BLEND]:n.isEnabled(n.BLEND),[n.DEPTH_TEST]:n.isEnabled(n.DEPTH_TEST),[n.SCISSOR_TEST]:n.isEnabled(n.SCISSOR_TEST),[n.CULL_FACE]:n.isEnabled(n.CULL_FACE)}},t.popState=n=>{const a=i=>e.stateCache[i]?n.enable(i):n.disable(i);a(n.BLEND),a(n.DEPTH_TEST),a(n.SCISSOR_TEST),e.stateCache[n.CULL_FACE]?e._openGLRenderWindow.enableCullFace():e._openGLRenderWindow.disableCullFace()},t.renderPiece=(n,a)=>{let i=!0;e._openGLRenderWindow.getWebgl2()||($a("SurfaceLICMapper Requires WebGL 2"),i=!1),(!e.context.getExtension("EXT_color_buffer_float")||!e.context.getExtension("OES_texture_float_linear"))&&($a("SurfaceLICMapper requires the EXT_color_buffer_float and OES_texture_float_linear WebGL2 extensions."),i=!1),e.currentInput=e.renderable.getInputData(),e.currentInput||($a("No input"),i=!1);let s=e.renderable.getLicInterface();s||(s=Zp.newInstance(),e.renderable.setLicInterface(s)),e.openGLLicInterface||(e.openGLLicInterface=XE.newInstance()),s!==e.openGLLicInterface.getLicInterface()&&e.openGLLicInterface.setLicInterface(s);const o=e.renderable.getInputArrayToProcess(0);if(s.getEnableLIC()&&(!o||o.getNumberOfComponents()<2)&&($a("No vector input array"),i=!1),s.getEnableLIC()||(i=!1),e.canDrawLIC!==i&&(e.rebuildLICShaders=!0,e.rebuildLICBuffers=!0),e.canDrawLIC=i,!i||!s.getEnableLIC()){r.renderPiece(n,a);return}const c=e.context,f=a.getProperty().getBackfaceCulling(),g=a.getProperty().getFrontfaceCulling();!f&&!g?e._openGLRenderWindow.disableCullFace():g?(e._openGLRenderWindow.enableCullFace(),e._openGLRenderWindow.setCullFaceMode(c.FRONT)):(e._openGLRenderWindow.enableCullFace(),e._openGLRenderWindow.setCullFaceMode(c.BACK));const u=e._openGLRenderWindow.getSize(),l=u.map(p=>Math.round(p*s.getViewPortScale()));e.openGLLicInterface.setSize(l),e.openGLLicInterface.setOpenGLRenderWindow(e._openGLRenderWindow),e.openGLLicInterface.setContext(e.context),t.pushState(e.context),e.openGLLicInterface.initializeResources(),e.openGLLicInterface.prepareForGeometry(),t.popState(e.context),r.renderPieceStart(n,a),r.renderPieceDraw(n,a),r.renderPieceFinish(n,a),t.pushState(e.context),e.VBOBuildTime.modified(),e.openGLLicInterface.completedGeometry(),e._openGLRenderWindow.disableCullFace(),e.openGLLicInterface.applyLIC(),e.openGLLicInterface.combineColorsAndLIC(),e.openGLLicInterface.copyToScreen(u),t.popState(e.context)}}var qE={canDrawLIC:!1,rebuildLICShaders:!1,rebuildLICBuffers:!1,openGLLicInterface:null};function ZE(t,e,r={}){Object.assign(e,qE,r),es.extend(t,e,r),YE(t,e),Ce(t,e,["openGLLicInterface"])}var QE=ce(ZE,"vtkOpenGLSurfaceLICMapper");Oe("vtkSurfaceLICMapper",QE);var JE=`//VTK::System::Dec
-
-/*=========================================================================
-
-  Program:   Visualization Toolkit
-  Module:    vtkSphereMapperVS.glsl
-
-  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-  All rights reserved.
-  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notice for more information.
-
-=========================================================================*/
-// this shader implements imposters in OpenGL for Spheres
-
-attribute vec4 vertexMC;
-attribute vec2 offsetMC;
-
-// optional normal declaration
-//VTK::Normal::Dec
-
-//VTK::Picking::Dec
-
-// Texture coordinates
-//VTK::TCoord::Dec
-
-uniform mat3 normalMatrix; // transform model coordinate directions to view coordinates
-
-// material property values
-//VTK::Color::Dec
-
-// clipping plane vars
-//VTK::Clip::Dec
-
-// camera and actor matrix values
-//VTK::Camera::Dec
-
-varying vec4 vertexVCVSOutput;
-varying float radiusVCVSOutput;
-varying vec3 centerVCVSOutput;
-
-uniform int cameraParallel;
-uniform float scaleFactor;
-
-void main()
-{
-  //VTK::Picking::Impl
-
-  //VTK::Color::Impl
-
-  //VTK::Normal::Impl
-
-  //VTK::TCoord::Impl
-
-  //VTK::Clip::Impl
-
-  // compute the projected vertex position
-  vec2 scaledOffsetMC = scaleFactor * offsetMC;
-  vertexVCVSOutput = MCVCMatrix * vertexMC;
-  centerVCVSOutput = vertexVCVSOutput.xyz;
-  radiusVCVSOutput = length(scaledOffsetMC)*0.5;
-
-  // make the triangle face the camera
-  if (cameraParallel == 0)
-    {
-    vec3 dir = normalize(-vertexVCVSOutput.xyz);
-    vec3 base2 = normalize(cross(dir,vec3(1.0,0.0,0.0)));
-    vec3 base1 = cross(base2,dir);
-    vertexVCVSOutput.xyz = vertexVCVSOutput.xyz + scaledOffsetMC.x*base1 + scaledOffsetMC.y*base2;
-    }
-  else
-    {
-    // add in the offset
-    vertexVCVSOutput.xy = vertexVCVSOutput.xy + scaledOffsetMC;
-    }
-
-  gl_Position = VCPCMatrix * vertexVCVSOutput;
-}
-`,{vtkErrorMacro:eR}=ke;function tR(t,e){e.classHierarchy.push("vtkOpenGLSphereMapper");const r={...t};t.getShaderTemplate=(n,a,i)=>{n.Vertex=JE,n.Fragment=Ta,n.Geometry=""},t.replaceShaderValues=(n,a,i)=>{let s=n.Vertex,o=n.Fragment;s=k.substitute(s,"//VTK::Camera::Dec",[`uniform mat4 VCPCMatrix;
-`,"uniform mat4 MCVCMatrix;"]).result,o=k.substitute(o,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,o=k.substitute(o,"//VTK::PositionVC::Impl",[`vec4 vertexVC = vertexVCVSOutput;
-`]).result,o=k.substitute(o,"//VTK::Normal::Dec",[`uniform float invertedDepth;
-`,`uniform int cameraParallel;
-`,`varying float radiusVCVSOutput;
-`,`varying vec3 centerVCVSOutput;
-`,`uniform mat4 VCPCMatrix;
-`]).result;let c="";e.context.getExtension("EXT_frag_depth")&&(c=`gl_FragDepthEXT = (pos.z / pos.w + 1.0) / 2.0;
-`),e._openGLRenderWindow.getWebgl2()&&(c=`gl_FragDepth = (pos.z / pos.w + 1.0) / 2.0;
-`),o=k.substitute(o,"//VTK::Depth::Impl",[`  vec3 EyePos;
-`,`  vec3 EyeDir;
-`,`  if (cameraParallel != 0) {
-`,`    EyePos = vec3(vertexVC.x, vertexVC.y, vertexVC.z + 3.0*radiusVCVSOutput);
-`,`    EyeDir = vec3(0.0,0.0,-1.0); }
-`,`  else {
-`,`    EyeDir = vertexVC.xyz;
-`,`    EyePos = vec3(0.0,0.0,0.0);
-`,`    float lengthED = length(EyeDir);
-`,`    EyeDir = normalize(EyeDir);
-`,`    if (lengthED > radiusVCVSOutput*3.0) {
-`,`      EyePos = vertexVC.xyz - EyeDir*3.0*radiusVCVSOutput; }
-`,`    }
-`,`  EyePos = EyePos - centerVCVSOutput;
-`,`  EyePos = EyePos/radiusVCVSOutput;
-`,`  float b = 2.0*dot(EyePos,EyeDir);
-`,`  float c = dot(EyePos,EyePos) - 1.0;
-`,`  float d = b*b - 4.0*c;
-`,`  vec3 normalVCVSOutput = vec3(0.0,0.0,1.0);
-`,`  if (d < 0.0) { discard; }
-`,`  else {
-`,`    float t = (-b - invertedDepth*sqrt(d))*0.5;
-`,`    normalVCVSOutput = invertedDepth*normalize(EyePos + t*EyeDir);
-`,`    vertexVC.xyz = normalVCVSOutput*radiusVCVSOutput + centerVCVSOutput;
-`,`    }
-`,`  vec4 pos = VCPCMatrix * vertexVC;
-`,c]).result,o=k.substitute(o,"//VTK::Normal::Impl","").result,e.haveSeenDepthRequest&&(o=k.substitute(o,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float computedZ = (pos.z / pos.w + 1.0) / 2.0;","float iz = floor(computedZ * 65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=s,n.Fragment=o,r.replaceShaderValues(n,a,i)},t.setMapperShaderParameters=(n,a,i)=>{if(n.getCABO().getElementCount()&&(e.VBOBuildTime>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&n.getProgram().isAttributeUsed("offsetMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"offsetMC",12,n.getCABO().getStride(),e.context.FLOAT,2,!1)||eR("Error setting 'offsetMC' in shader VAO.")),n.getProgram().isUniformUsed("invertedDepth")&&n.getProgram().setUniformf("invertedDepth",e.invert?-1:1),n.getProgram().isUniformUsed("scaleFactor")){const s=e.currentInput.getPointData();e.renderable.getScaleArray()!=null&&s.hasArray(e.renderable.getScaleArray())?n.getProgram().setUniformf("scaleFactor",e.renderable.getScaleFactor()):n.getProgram().setUniformf("scaleFactor",1)}r.setMapperShaderParameters(n,a,i)},t.setCameraShaderParameters=(n,a,i)=>{const s=n.getProgram(),o=a.getActiveCamera(),c=e.openGLCamera.getKeyMatrices(a);s.isUniformUsed("VCPCMatrix")&&s.setUniformMatrix("VCPCMatrix",c.vcpc);const f=new Float64Array(16);if(s.isUniformUsed("MCVCMatrix"))if(i.getIsIdentity())Ve(f,c.wcvc),n.getCABO().getCoordShiftAndScaleEnabled()&&X(f,f,n.getCABO().getInverseShiftAndScaleMatrix()),s.setUniformMatrix("MCVCMatrix",f);else{const g=e.openGLActor.getKeyMatrices();X(f,c.wcvc,g.mcwc),n.getCABO().getCoordShiftAndScaleEnabled()&&X(f,f,n.getCABO().getInverseShiftAndScaleMatrix()),s.setUniformMatrix("MCVCMatrix",f)}s.isUniformUsed("cameraParallel")&&n.getProgram().setUniformi("cameraParallel",o.getParallelProjection())},t.getOpenGLMode=(n,a)=>e.context.TRIANGLES,t.buildBufferObjects=(n,a)=>{const i=e.currentInput;if(i===null)return;e.renderable.mapScalars(i,1);const s=e.renderable.getColorMapColors(),o=e.primitives[e.primTypes.Tris].getCABO(),c=i.getPointData(),f=i.getPoints(),g=f.getNumberOfPoints(),u=f.getData(),l=5;let p=null;e.renderable.getScaleArray()!=null&&c.hasArray(e.renderable.getScaleArray())&&(p=c.getArray(e.renderable.getScaleArray()).getData());let h=null,v=0,y=null;s?(v=s.getNumberOfComponents(),o.setColorOffset(0),o.setColorBOStride(4),h=s.getData(),y=new Uint8Array(3*g*4),o.getColorBO()||o.setColorBO(Xt.newInstance()),o.getColorBO().setOpenGLRenderWindow(e._openGLRenderWindow)):o.getColorBO()&&o.setColorBO(null),o.setColorComponents(v);const T=new Float32Array(l*g*3);o.setStride(l*4);const C=Math.cos(Re(30));let d=0,x=0;const{useShiftAndScale:w,coordShift:S,coordScale:M}=tc(f);o.setCoordShiftAndScale(w?S:null,w?M:null);let E=0,R=0;for(let L=0;L<g;++L){let D=e.renderable.getRadius();p&&(D=p[L]),d=L*3;const m=(u[d++]-S[0])*M[0],F=(u[d++]-S[1])*M[1],V=(u[d++]-S[2])*M[2];T[E++]=m,T[E++]=F,T[E++]=V,T[E++]=-2*D*C,T[E++]=-D,h&&(x=L*v,y[R++]=h[x],y[R++]=h[x+1],y[R++]=h[x+2],y[R++]=h[x+3]),T[E++]=m,T[E++]=F,T[E++]=V,T[E++]=2*D*C,T[E++]=-D,h&&(y[R++]=h[x],y[R++]=h[x+1],y[R++]=h[x+2],y[R++]=h[x+3]),T[E++]=m,T[E++]=F,T[E++]=V,T[E++]=0,T[E++]=2*D,h&&(y[R++]=h[x],y[R++]=h[x+1],y[R++]=h[x+2],y[R++]=h[x+3])}o.setElementCount(E/l),o.upload(T,qt.ARRAY_BUFFER),s&&o.getColorBO().upload(y,qt.ARRAY_BUFFER),e.VBOBuildTime.modified()}}var nR={};function rR(t,e,r={}){Object.assign(e,nR,r),es.extend(t,e,r),tR(t,e)}var aR=ce(rR,"vtkOpenGLSphereMapper");Oe("vtkSphereMapper",aR);var iR=`//VTK::System::Dec
-
-/*=========================================================================
-
-  Program:   Visualization Toolkit
-  Module:    vtkStickMapperVS.glsl
-
-  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
-  All rights reserved.
-  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notice for more information.
-
-=========================================================================*/
-// this shader implements imposters in OpenGL for Sticks
-
-attribute vec4 vertexMC;
-attribute vec3 orientMC;
-attribute vec4 offsetMC;
-attribute float radiusMC;
-
-// optional normal declaration
-//VTK::Normal::Dec
-
-//VTK::Picking::Dec
-
-// Texture coordinates
-//VTK::TCoord::Dec
-
-uniform mat3 normalMatrix; // transform model coordinate directions to view coordinates
-
-// material property values
-//VTK::Color::Dec
-
-// clipping plane vars
-//VTK::Clip::Dec
-
-// camera and actor matrix values
-//VTK::Camera::Dec
-
-varying vec4 vertexVCVSOutput;
-varying float radiusVCVSOutput;
-varying float lengthVCVSOutput;
-varying vec3 centerVCVSOutput;
-varying vec3 orientVCVSOutput;
-
-uniform int cameraParallel;
-
-void main()
-{
-  //VTK::Picking::Impl
-
-  //VTK::Color::Impl
-
-  //VTK::Normal::Impl
-
-  //VTK::TCoord::Impl
-
-  //VTK::Clip::Impl
-
-  vertexVCVSOutput = MCVCMatrix * vertexMC;
-  centerVCVSOutput = vertexVCVSOutput.xyz;
-  radiusVCVSOutput = radiusMC;
-  lengthVCVSOutput = length(orientMC);
-  orientVCVSOutput = normalMatrix * normalize(orientMC);
-
-  // make sure it is pointing out of the screen
-  if (orientVCVSOutput.z < 0.0)
-    {
-    orientVCVSOutput = -orientVCVSOutput;
-    }
-
-  // make the basis
-  vec3 xbase;
-  vec3 ybase;
-  vec3 dir = vec3(0.0,0.0,1.0);
-  if (cameraParallel == 0)
-    {
-    dir = normalize(-vertexVCVSOutput.xyz);
-    }
-  if (abs(dot(dir,orientVCVSOutput)) == 1.0)
-    {
-    xbase = normalize(cross(vec3(0.0,1.0,0.0),orientVCVSOutput));
-    ybase = cross(xbase,orientVCVSOutput);
-    }
-  else
-    {
-    xbase = normalize(cross(orientVCVSOutput,dir));
-    ybase = cross(orientVCVSOutput,xbase);
-    }
-
-  vec3 offsets = offsetMC.xyz*2.0-1.0;
-  vertexVCVSOutput.xyz = vertexVCVSOutput.xyz +
-    radiusVCVSOutput*offsets.x*xbase +
-    radiusVCVSOutput*offsets.y*ybase +
-    0.5*lengthVCVSOutput*offsets.z*orientVCVSOutput;
-
-  gl_Position = VCPCMatrix * vertexVCVSOutput;
-}
-`,{vtkErrorMacro:za}=ke;function sR(t,e){e.classHierarchy.push("vtkOpenGLStickMapper");const r={...t};t.getShaderTemplate=(n,a,i)=>{n.Vertex=iR,n.Fragment=Ta,n.Geometry=""},t.replaceShaderValues=(n,a,i)=>{let s=n.Vertex,o=n.Fragment;s=k.substitute(s,"//VTK::Camera::Dec",[`uniform mat4 VCPCMatrix;
-`,"uniform mat4 MCVCMatrix;"]).result,o=k.substitute(o,"//VTK::PositionVC::Dec","varying vec4 vertexVCVSOutput;").result,o=k.substitute(o,"//VTK::PositionVC::Impl",`  vec4 vertexVC = vertexVCVSOutput;
-`).result,o=k.substitute(o,"//VTK::Normal::Dec",[`uniform int cameraParallel;
-`,`varying float radiusVCVSOutput;
-`,`varying vec3 orientVCVSOutput;
-`,`varying float lengthVCVSOutput;
-`,`varying vec3 centerVCVSOutput;
-`,`uniform mat4 VCPCMatrix;
-`]).result;let c="";e.context.getExtension("EXT_frag_depth")&&(c=`  gl_FragDepthEXT = (pos.z / pos.w + 1.0) / 2.0;
-`),e._openGLRenderWindow.getWebgl2()&&(c=`gl_FragDepth = (pos.z / pos.w + 1.0) / 2.0;
-`),o=k.substitute(o,"//VTK::Depth::Impl",[`  vec3 EyePos;
-`,`  vec3 EyeDir;
-`,`  if (cameraParallel != 0) {
-`,`    EyePos = vec3(vertexVC.x, vertexVC.y, vertexVC.z + 3.0*radiusVCVSOutput);
-`,`    EyeDir = vec3(0.0,0.0,-1.0); }
-`,`  else {
-`,`    EyeDir = vertexVC.xyz;
-`,`    EyePos = vec3(0.0,0.0,0.0);
-`,`    float lengthED = length(EyeDir);
-`,`    EyeDir = normalize(EyeDir);
-`,`    if (lengthED > radiusVCVSOutput*3.0) {
-`,`      EyePos = vertexVC.xyz - EyeDir*3.0*radiusVCVSOutput; }
-`,`    }
-`,`  EyePos = EyePos - centerVCVSOutput;
-`,`  vec3 base1;
-`,`  if (abs(orientVCVSOutput.z) < 0.99) {
-`,`    base1 = normalize(cross(orientVCVSOutput,vec3(0.0,0.0,1.0))); }
-`,`  else {
-`,`    base1 = normalize(cross(orientVCVSOutput,vec3(0.0,1.0,0.0))); }
-`,`  vec3 base2 = cross(orientVCVSOutput,base1);
-`,`  EyePos = vec3(dot(EyePos,base1),dot(EyePos,base2),dot(EyePos,orientVCVSOutput));
-`,`  EyeDir = vec3(dot(EyeDir,base1),dot(EyeDir,base2),dot(EyeDir,orientVCVSOutput));
-`,`  EyePos = EyePos/radiusVCVSOutput;
-`,`  float a = EyeDir.x*EyeDir.x + EyeDir.y*EyeDir.y;
-`,`  float b = 2.0*(EyePos.x*EyeDir.x + EyePos.y*EyeDir.y);
-`,`  float c = EyePos.x*EyePos.x + EyePos.y*EyePos.y - 1.0;
-`,`  float d = b*b - 4.0*a*c;
-`,`  vec3 normalVCVSOutput = vec3(0.0,0.0,1.0);
-`,`  if (d < 0.0) { discard; }
-`,`  else {
-`,`    float t =  (-b - sqrt(d))/(2.0*a);
-`,`    float tz = EyePos.z + t*EyeDir.z;
-`,`    vec3 iPoint = EyePos + t*EyeDir;
-`,`    if (abs(iPoint.z)*radiusVCVSOutput > lengthVCVSOutput*0.5) {
-`,`      float t2 = (-b + sqrt(d))/(2.0*a);
-`,`      float tz2 = EyePos.z + t2*EyeDir.z;
-`,`      if (tz2*radiusVCVSOutput > lengthVCVSOutput*0.5 || tz*radiusVCVSOutput < -0.5*lengthVCVSOutput) { discard; }
-`,`      else {
-`,`        normalVCVSOutput = orientVCVSOutput;
-`,`        float t3 = (lengthVCVSOutput*0.5/radiusVCVSOutput - EyePos.z)/EyeDir.z;
-`,`        iPoint = EyePos + t3*EyeDir;
-`,`        vertexVC.xyz = radiusVCVSOutput*(iPoint.x*base1 + iPoint.y*base2 + iPoint.z*orientVCVSOutput) + centerVCVSOutput;
-`,`        }
-`,`      }
-`,`    else {
-`,`      normalVCVSOutput = iPoint.x*base1 + iPoint.y*base2;
-`,`      vertexVC.xyz = radiusVCVSOutput*(normalVCVSOutput + iPoint.z*orientVCVSOutput) + centerVCVSOutput;
-`,`      }
-`,`    }
-`,`  vec4 pos = VCPCMatrix * vertexVC;
-`,c]).result,o=k.substitute(o,"//VTK::Normal::Impl","").result,e.haveSeenDepthRequest&&(o=k.substitute(o,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float computedZ = (pos.z / pos.w + 1.0) / 2.0;","float iz = floor(computedZ * 65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=s,n.Fragment=o,r.replaceShaderValues(n,a,i)},t.setMapperShaderParameters=(n,a,i)=>{n.getCABO().getElementCount()&&(e.VBOBuildTime>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("orientMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"orientMC",12,n.getCABO().getStride(),e.context.FLOAT,3,!1)||za("Error setting 'orientMC' in shader VAO.")),n.getProgram().isAttributeUsed("offsetMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO().getColorBO(),"offsetMC",0,n.getCABO().getColorBOStride(),e.context.UNSIGNED_BYTE,3,!0)||za("Error setting 'offsetMC' in shader VAO.")),n.getProgram().isAttributeUsed("radiusMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"radiusMC",24,n.getCABO().getStride(),e.context.FLOAT,1,!1)||za("Error setting 'radiusMC' in shader VAO."))),r.setMapperShaderParameters(n,a,i)},t.setCameraShaderParameters=(n,a,i)=>{const s=n.getProgram(),o=a.getActiveCamera(),c=e.openGLCamera.getKeyMatrices(a);if(s.isUniformUsed("VCPCMatrix")&&s.setUniformMatrix("VCPCMatrix",c.vcpc),i.getIsIdentity())s.isUniformUsed("MCVCMatrix")&&s.setUniformMatrix("MCVCMatrix",c.wcvc),s.isUniformUsed("normalMatrix")&&s.setUniformMatrix3x3("normalMatrix",c.normalMatrix);else{const f=e.openGLActor.getKeyMatrices();if(s.isUniformUsed("MCVCMatrix")){const g=new Float64Array(16);X(g,c.wcvc,f.mcwc),s.setUniformMatrix("MCVCMatrix",g)}if(s.isUniformUsed("normalMatrix")){const g=new Float64Array(9);Pn(g,c.normalMatrix,f.normalMatrix),s.setUniformMatrix3x3("normalMatrix",g)}}s.isUniformUsed("cameraParallel")&&n.getProgram().setUniformi("cameraParallel",o.getParallelProjection())},t.getOpenGLMode=(n,a)=>e.context.TRIANGLES,t.buildBufferObjects=(n,a)=>{const i=e.currentInput;if(i===null)return;e.renderable.mapScalars(i,1);const s=e.renderable.getColorMapColors(),o=e.primitives[e.primTypes.Tris].getCABO(),c=i.getPointData(),f=i.getPoints(),g=f.getNumberOfPoints(),u=f.getData();let l=3;l+=4;let p=null,h=0;o.setColorBOStride(4),o.getColorBO()||o.setColorBO(Xt.newInstance()),o.getColorBO().setOpenGLRenderWindow(e._openGLRenderWindow),s&&(h=s.getNumberOfComponents(),o.setColorOffset(4),p=s.getData(),o.setColorBOStride(8)),o.setColorComponents(h),o.setStride(l*4);const v=new Float32Array(l*g*12),y=new Uint8Array(12*g*(p?8:4));let T=null,C=null;e.renderable.getScaleArray()!=null&&c.hasArray(e.renderable.getScaleArray())&&(T=c.getArray(e.renderable.getScaleArray()).getData()),e.renderable.getOrientationArray()!=null&&c.hasArray(e.renderable.getOrientationArray())?C=c.getArray(e.renderable.getOrientationArray()).getData():za([`Error setting orientationArray.
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y=[3];Ke(e.physicalViewNorth,e.physicalViewUp,y),v[0]=y[0],v[1]=y[1],v[2]=y[2],v[4]=e.physicalViewUp[0],v[5]=e.physicalViewUp[1],v[6]=e.physicalViewUp[2],v[8]=-e.physicalViewNorth[0],v[9]=-e.physicalViewNorth[1],v[10]=-e.physicalViewNorth[2],ue(v,v),Ft(o,1/e.physicalScale,1/e.physicalScale,1/e.physicalScale),Qt(v,v,o),_e(v,v,e.physicalTranslation)},t.computeViewParametersFromViewMatrix=v=>{Ne(i,v),ie(o,r,i),t.computeDistance();const y=e.distance;t.setPosition(o[0],o[1],o[2]),ie(c,n,i),pn(c,c,o),Bt(c,c),t.setDirectionOfProjection(c[0],c[1],c[2]),ie(f,a,i),pn(f,f,o),Bt(f,f),t.setViewUp(f[0],f[1],f[2]),t.setDistance(y)},t.computeViewParametersFromPhysicalMatrix=v=>{t.getWorldToPhysicalMatrix(i),X(i,v,i),t.computeViewParametersFromViewMatrix(i)},t.setModelTransformMatrix=v=>{e.modelTransformMatrix=v},t.getModelTransformMatrix=()=>e.modelTransformMatrix,t.setViewMatrix=v=>{e.viewMatrix=v,e.viewMatrix&&(Ve(i,e.viewMatrix),t.computeViewParametersFromViewMatrix(i),ue(e.viewMatrix,e.viewMatrix))},t.getViewMatrix=()=>{if(e.viewMatrix)return e.modelTransformMatrix?(X(i,e.viewMatrix,e.modelTransformMatrix),i):e.viewMatrix;Ou(i,e.position,e.focalPoint,e.viewUp),ue(i,i);const v=new Float64Array(16);return e.modelTransformMatrix?X(v,i,e.modelTransformMatrix):Ve(v,i),v},t.setProjectionMatrix=v=>{e.projectionMatrix=v},t.getProjectionMatrix=(v,y,T)=>{const C=new Float64Array(16);if(K(C),e.projectionMatrix){const w=1/e.physicalScale;return Ft(o,w,w,w),Ve(C,e.projectionMatrix),Qt(C,C,o),ue(C,C),C}K(i);const d=e.clippingRange[1]-e.clippingRange[0],x=[e.clippingRange[0]+(y+1)*d/2,e.clippingRange[0]+(T+1)*d/2];if(e.parallelProjection){const w=e.parallelScale*v,S=e.parallelScale,M=(e.windowCenter[0]-1)*w,E=(e.windowCenter[0]+1)*w,R=(e.windowCenter[1]-1)*S,L=(e.windowCenter[1]+1)*S;wu(i,M,E,R,L,x[0],x[1]),ue(i,i)}else{if(e.useOffAxisProjection)throw new Error("Off-Axis projection is not supported at this time");{const w=Math.tan(Re(e.viewAngle)/2);let S,M;e.useHorizontalViewAngle===!0?(S=e.clippingRange[0]*w,M=e.clippingRange[0]*w/v):(S=e.clippingRange[0]*w*v,M=e.clippingRange[0]*w);const E=(e.windowCenter[0]-1)*S,R=(e.windowCenter[0]+1)*S,L=(e.windowCenter[1]-1)*M,D=(e.windowCenter[1]+1)*M,m=x[0],F=x[1];i[0]=2*m/(R-E),i[5]=2*m/(D-L),i[2]=(E+R)/(R-E),i[6]=(L+D)/(D-L),i[10]=-(m+F)/(F-m),i[14]=-1,i[11]=-2*m*F/(F-m),i[15]=0}}return Ve(C,i),C},t.getCompositeProjectionMatrix=(v,y,T)=>{const C=t.getViewMatrix(),d=t.getProjectionMatrix(v,y,T);return X(d,C,d),d},t.setDirectionOfProjection=(v,y,T)=>{if(e.directionOfProjection[0]===v&&e.directionOfProjection[1]===y&&e.directionOfProjection[2]===T)return;e.directionOfProjection[0]=v,e.directionOfProjection[1]=y,e.directionOfProjection[2]=T;const C=e.directionOfProjection;e.focalPoint[0]=e.position[0]+C[0]*e.distance,e.focalPoint[1]=e.position[1]+C[1]*e.distance,e.focalPoint[2]=e.position[2]+C[2]*e.distance,h()},t.setDeviceAngles=(v,y,T,C)=>{const d=[3];Ke(e.physicalViewNorth,e.physicalViewUp,d);const x=K(new Float64Array(16));st(x,x,Re(v),e.physicalViewUp),st(x,x,Re(y),d),st(x,x,Re(T),e.physicalViewNorth),st(x,x,Re(-C),e.physicalViewUp);const w=new Float64Array([-e.physicalViewUp[0],-e.physicalViewUp[1],-e.physicalViewUp[2]]),S=new Float64Array(e.physicalViewNorth);ie(w,w,x),ie(S,S,x),t.setDirectionOfProjection(w[0],w[1],w[2]),t.setViewUp(S[0],S[1],S[2]),t.modified()},t.setOrientationWXYZ=(v,y,T,C)=>{const d=K(new Float64Array(16));if(v!==0&&(y!==0||T!==0||C!==0)){const S=Re(v),M=vn();Wi(M,[y,T,C],S),fr(d,M)}const x=new Float64Array(3);ie(x,[0,0,-1],d);const w=new Float64Array(3);ie(w,[0,1,0],d),t.setDirectionOfProjection(...x),t.setViewUp(...w),t.modified()},t.computeClippingRange=v=>{let y=null,T=null;y=e.viewPlaneNormal,T=e.position;const C=-y[0],d=-y[1],x=-y[2],w=-(C*T[0]+d*T[1]+x*T[2]),S=[C*v[0]+d*v[2]+x*v[4]+w,1e-18];for(let M=0;M<2;M++)for(let E=0;E<2;E++)for(let R=0;R<2;R++){const L=C*v[R]+d*v[2+E]+x*v[4+M]+w;S[0]=L<S[0]?L:S[0],S[1]=L>S[1]?L:S[1]}return S}}var IR={position:[0,0,1],focalPoint:[0,0,0],viewUp:[0,1,0],directionOfProjection:[0,0,-1],parallelProjection:!1,useHorizontalViewAngle:!1,viewAngle:30,parallelScale:1,clippingRange:[.01,1000.01],windowCenter:[0,0],viewPlaneNormal:[0,0,1],useOffAxisProjection:!1,screenBottomLeft:[-.5,-.5,-.5],screenBottomRight:[.5,-.5,-.5],screenTopRight:[.5,.5,-.5],freezeFocalPoint:!1,projectionMatrix:null,viewMatrix:null,modelTransformMatrix:null,cameraLightTransform:vr(),physicalTranslation:[0,0,0],physicalScale:1,physicalViewUp:[0,1,0],physicalViewNorth:[0,0,-1]};function uh(t,e,r={}){Object.assign(e,IR,r),O.obj(t,e),O.get(t,e,["distance"]),O.setGet(t,e,["parallelProjection","useHorizontalViewAngle","viewAngle","parallelScale","useOffAxisProjection","freezeFocalPoint","physicalScale"]),O.getArray(t,e,["directionOfProjection","viewPlaneNormal","position","focalPoint"]),O.setGetArray(t,e,["clippingRange","windowCenter"],2),O.setGetArray(t,e,["viewUp","screenBottomLeft","screenBottomRight","screenTopRight","physicalTranslation","physicalViewUp","physicalViewNorth"],3),AR(t,e)}var HR=O.newInstance(uh,"vtkCamera"),gc={newInstance:HR,extend:uh},jR=["HeadLight","CameraLight","SceneLight"];function PR(t,e){e.classHierarchy.push("vtkLight");const r=new Float64Array(3);t.getTransformedPosition=()=>(e.transformMatrix?ie(r,e.position,e.transformMatrix):Ft(r,e.position[0],e.position[1],e.position[2]),r),t.getTransformedFocalPoint=()=>(e.transformMatrix?ie(r,e.focalPoint,e.transformMatrix):Ft(r,e.focalPoint[0],e.focalPoint[1],e.focalPoint[2]),r),t.getDirection=()=>(e.directionMTime<e.mtime&&(Vc(e.direction,e.focalPoint,e.position),Ze(e.direction),e.directionMTime=e.mtime),e.direction),t.setDirection=n=>{const a=new Float64Array(3);Vc(a,e.position,n),e.focalPoint=a},t.setDirectionAngle=(n,a)=>{const i=Re(n),s=Re(a);t.setPosition(Math.cos(i)*Math.sin(s),Math.sin(i),Math.cos(i)*Math.cos(s)),t.setFocalPoint(0,0,0),t.setPositional(0)},t.setLightTypeToHeadLight=()=>{t.setLightType("HeadLight")},t.setLightTypeToCameraLight=()=>{t.setLightType("CameraLight")},t.setLightTypeToSceneLight=()=>{t.setTransformMatrix(null),t.setLightType("SceneLight")},t.lightTypeIsHeadLight=()=>e.lightType==="HeadLight",t.lightTypeIsSceneLight=()=>e.lightType==="SceneLight",t.lightTypeIsCameraLight=()=>e.lightType==="CameraLight"}var KR={switch:!0,intensity:1,color:[1,1,1],position:[0,0,1],focalPoint:[0,0,0],positional:!1,exponent:1,coneAngle:30,coneFalloff:5,attenuationValues:[1,0,0],transformMatrix:null,lightType:"SceneLight",shadowAttenuation:1,direction:[0,0,0],directionMTime:0};function gh(t,e,r={}){Object.assign(e,KR,r),O.obj(t,e),O.setGet(t,e,["intensity","switch","positional","exponent","coneAngle","coneFalloff","transformMatrix","lightType","shadowAttenuation","attenuationValues"]),O.setGetArray(t,e,["color","position","focalPoint","attenuationValues"],3),PR(t,e)}var XR=O.newInstance(gh,"vtkLight"),lh={newInstance:XR,extend:gh,LIGHT_TYPES:jR},{vtkErrorMacro:ii}=O;function YR(t){return()=>ii(`vtkViewport::${t} - NOT IMPLEMENTED`)}function qR(t,e){e.classHierarchy.push("vtkViewport"),t.getViewProps=()=>e.props,t.hasViewProp=n=>e.props.includes(n),t.addViewProp=n=>{n&&!t.hasViewProp(n)&&e.props.push(n)},t.removeViewProp=n=>{const a=e.props.filter(i=>i!==n);e.props.length!==a.length&&(e.props=a)},t.removeAllViewProps=()=>{e.props=[]};function r(n,a=[]){a.push(n);const i=n.getNestedProps();if(i&&i.length)for(let s=0;s<i.length;s++)r(i[s],a);return a}t.getViewPropsWithNestedProps=()=>{let n=[];e.actors2D=[];for(let a=0;a<e.props.length;a++){const i=e.props[a].getActors2D();i&&(!Array.isArray(i)||i.length>0)?e.actors2D=e.actors2D.concat(i):r(e.props[a],n)}return e.actors2D.sort((a,i)=>a.getLayerNumber()-i.getLayerNumber()),n=n.concat(e.actors2D),n},t.addActor2D=t.addViewProp,t.removeActor2D=n=>{t.removeViewProp(n)},t.getActors2D=()=>(e.actors2D=[],e.props.forEach(n=>{e.actors2D=e.actors2D.concat(n.getActors2D())}),e.actors2D),t.displayToView=()=>ii("call displayToView on your view instead"),t.viewToDisplay=()=>ii("callviewtodisplay on your view instead"),t.getSize=()=>ii("call getSize on your View instead"),t.normalizedDisplayToProjection=(n,a,i)=>{const s=t.normalizedDisplayToNormalizedViewport(n,a,i);return t.normalizedViewportToProjection(s[0],s[1],s[2])},t.normalizedDisplayToNormalizedViewport=(n,a,i)=>{const s=[e.viewport[2]-e.viewport[0],e.viewport[3]-e.viewport[1]];return[(n-e.viewport[0])/s[0],(a-e.viewport[1])/s[1],i]},t.normalizedViewportToProjection=(n,a,i)=>[n*2-1,a*2-1,i*2-1],t.projectionToNormalizedDisplay=(n,a,i)=>{const s=t.projectionToNormalizedViewport(n,a,i);return t.normalizedViewportToNormalizedDisplay(s[0],s[1],s[2])},t.normalizedViewportToNormalizedDisplay=(n,a,i)=>{const s=[e.viewport[2]-e.viewport[0],e.viewport[3]-e.viewport[1]];return[n*s[0]+e.viewport[0],a*s[1]+e.viewport[1],i]},t.projectionToNormalizedViewport=(n,a,i)=>[(n+1)*.5,(a+1)*.5,(i+1)*.5],t.PickPropFrom=YR("PickPropFrom")}var ZR={background:[0,0,0],background2:[.2,.2,.2],gradientBackground:!1,viewport:[0,0,1,1],aspect:[1,1],pixelAspect:[1,1],props:[],actors2D:[]};function ph(t,e,r={}){Object.assign(e,ZR,r),O.obj(t,e),O.event(t,e,"event"),O.setGet(t,e,["gradientBackground"]),O.setGetArray(t,e,["viewport"],4),O.setGetArray(t,e,["background","background2"],3),qR(t,e)}var QR=O.newInstance(ph,"vtkViewport"),JR={newInstance:QR,extend:ph},{vtkDebugMacro:_r,vtkErrorMacro:cn,vtkWarningMacro:eM}=ke;function Af(t){return()=>cn(`vtkRenderer::${t} - NOT IMPLEMENTED`)}function tM(t,e){e.classHierarchy.push("vtkRenderer");const r={type:"ComputeVisiblePropBoundsEvent",renderer:t},n={type:"ResetCameraClippingRangeEvent",renderer:t},a={type:"ResetCameraEvent",renderer:t};t.updateCamera=()=>(e.activeCamera||(_r("No cameras are on, creating one."),t.getActiveCameraAndResetIfCreated()),e.activeCamera.render(t),!0),t.updateLightsGeometryToFollowCamera=()=>{const i=t.getActiveCameraAndResetIfCreated();e.lights.forEach(s=>{s.lightTypeIsSceneLight()||(s.lightTypeIsHeadLight()?(s.setPositionFrom(i.getPositionByReference()),s.setFocalPointFrom(i.getFocalPointByReference()),s.modified(i.getMTime())):s.lightTypeIsCameraLight()?s.setTransformMatrix(i.getCameraLightTransformMatrix(vr())):cn("light has unknown light type",s.get()))})},t.updateLightGeometry=()=>e.lightFollowCamera?t.updateLightsGeometryToFollowCamera():!0,t.allocateTime=Af("allocateTime"),t.updateGeometry=Af("updateGeometry"),t.getVTKWindow=()=>e._renderWindow,t.setLayer=i=>{_r(t.getClassName(),t,"setting Layer to ",i),e.layer!==i&&(e.layer=i,t.modified()),t.setPreserveColorBuffer(!!i)},t.setActiveCamera=i=>e.activeCamera===i?!1:(e.activeCamera=i,t.modified(),t.invokeEvent({type:"ActiveCameraEvent",camera:i}),!0),t.makeCamera=()=>{const i=gc.newInstance();return t.invokeEvent({type:"CreateCameraEvent",camera:i}),i},t.getActiveCamera=()=>(e.activeCamera||(e.activeCamera=t.makeCamera()),e.activeCamera),t.getActiveCameraAndResetIfCreated=()=>(e.activeCamera||(t.getActiveCamera(),t.resetCamera()),e.activeCamera),t.getActors=()=>(e.actors=[],e.props.forEach(i=>{e.actors=e.actors.concat(i.getActors())}),e.actors),t.addActor=t.addViewProp,t.removeActor=i=>{e.actors=e.actors.filter(s=>s!==i),t.removeViewProp(i),t.modified()},t.removeAllActors=()=>{t.getActors().forEach(i=>{t.removeViewProp(i)}),e.actors=[],t.modified()},t.getVolumes=()=>(e.volumes=[],e.props.forEach(i=>{e.volumes=e.volumes.concat(i.getVolumes())}),e.volumes),t.addVolume=t.addViewProp,t.removeVolume=i=>{e.volumes=e.volumes.filter(s=>s!==i),t.removeViewProp(i),t.modified()},t.removeAllVolumes=()=>{t.getVolumes().forEach(i=>{t.removeViewProp(i)}),e.volumes=[],t.modified()},t.hasLight=i=>e.lights.includes(i),t.addLight=i=>{i&&!t.hasLight(i)&&(e.lights.push(i),t.modified())},t.removeLight=i=>{e.lights=e.lights.filter(s=>s!==i),t.modified()},t.removeAllLights=()=>{e.lights=[],t.modified()},t.setLightCollection=i=>{e.lights=i,t.modified()},t.makeLight=lh.newInstance,t.createLight=()=>{e.automaticLightCreation&&(e._createdLight&&(t.removeLight(e._createdLight),e._createdLight.delete(),e._createdLight=null),e._createdLight=t.makeLight(),t.addLight(e._createdLight),e._createdLight.setLightTypeToHeadLight(),e._createdLight.setPosition(t.getActiveCamera().getPosition()),e._createdLight.setFocalPoint(t.getActiveCamera().getFocalPoint()))},t.normalizedDisplayToWorld=(i,s,o,c)=>{let f=t.normalizedDisplayToProjection(i,s,o);return f=t.projectionToView(f[0],f[1],f[2],c),t.viewToWorld(f[0],f[1],f[2])},t.worldToNormalizedDisplay=(i,s,o,c)=>{let f=t.worldToView(i,s,o);return f=t.viewToProjection(f[0],f[1],f[2],c),t.projectionToNormalizedDisplay(f[0],f[1],f[2])},t.viewToWorld=(i,s,o)=>{if(e.activeCamera===null)return cn("ViewToWorld: no active camera, cannot compute view to world, returning 0,0,0"),[0,0,0];const c=e.activeCamera.getViewMatrix();Ne(c,c),ue(c,c);const f=new Float64Array([i,s,o]);return ie(f,f,c),f},t.projectionToView=(i,s,o,c)=>{if(e.activeCamera===null)return cn("ProjectionToView: no active camera, cannot compute projection to view, returning 0,0,0"),[0,0,0];const f=e.activeCamera.getProjectionMatrix(c,-1,1);Ne(f,f),ue(f,f);const g=new Float64Array([i,s,o]);return ie(g,g,f),g},t.worldToView=(i,s,o)=>{if(e.activeCamera===null)return cn("WorldToView: no active camera, cannot compute view to world, returning 0,0,0"),[0,0,0];const c=e.activeCamera.getViewMatrix();ue(c,c);const f=new Float64Array([i,s,o]);return ie(f,f,c),f},t.viewToProjection=(i,s,o,c)=>{if(e.activeCamera===null)return cn("ViewToProjection: no active camera, cannot compute view to projection, returning 0,0,0"),[0,0,0];const f=e.activeCamera.getProjectionMatrix(c,-1,1);ue(f,f);const g=new Float64Array([i,s,o]);return ie(g,g,f),g},t.computeVisiblePropBounds=()=>{e.allBounds[0]=P.INIT_BOUNDS[0],e.allBounds[1]=P.INIT_BOUNDS[1],e.allBounds[2]=P.INIT_BOUNDS[2],e.allBounds[3]=P.INIT_BOUNDS[3],e.allBounds[4]=P.INIT_BOUNDS[4],e.allBounds[5]=P.INIT_BOUNDS[5];let i=!0;t.invokeEvent(r);for(let s=0;s<e.props.length;++s){const o=e.props[s];if(o.getVisibility()&&o.getUseBounds()){const c=o.getBounds();c&&ti(c)&&(i=!1,c[0]<e.allBounds[0]&&(e.allBounds[0]=c[0]),c[1]>e.allBounds[1]&&(e.allBounds[1]=c[1]),c[2]<e.allBounds[2]&&(e.allBounds[2]=c[2]),c[3]>e.allBounds[3]&&(e.allBounds[3]=c[3]),c[4]<e.allBounds[4]&&(e.allBounds[4]=c[4]),c[5]>e.allBounds[5]&&(e.allBounds[5]=c[5]))}}return i&&(bo(e.allBounds),_r("Can't compute bounds, no 3D props are visible")),e.allBounds},t.resetCamera=(i=null)=>{const s=i||t.computeVisiblePropBounds(),o=[0,0,0];if(!ti(s))return _r("Cannot reset camera!"),!1;let c=null;if(t.getActiveCamera())c=e.activeCamera.getViewPlaneNormal();else return cn("Trying to reset non-existent camera"),!1;e.activeCamera.setViewAngle(30),o[0]=(s[0]+s[1])/2,o[1]=(s[2]+s[3])/2,o[2]=(s[4]+s[5])/2;let f=s[1]-s[0],g=s[3]-s[2],u=s[5]-s[4];f*=f,g*=g,u*=u;let l=f+g+u;l=l===0?1:l,l=Math.sqrt(l)*.5;const p=Re(e.activeCamera.getViewAngle()),h=l,v=l/Math.sin(p*.5),y=e.activeCamera.getViewUp();return Math.abs(Y(y,c))>.999&&(eM("Resetting view-up since view plane normal is 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o[1]-o[0]<c&&(c=c-o[1]+o[0],o[1]+=c/2,o[0]-=c/2),o[0]<0&&(o[0]=0),o[0]=.99*o[0]-(o[1]-o[0])*e.clippingRangeExpansion,o[1]=1.01*o[1]+(o[1]-o[0])*e.clippingRangeExpansion,o[0]=o[0]>=o[1]?.01*o[1]:o[0],e.nearClippingPlaneTolerance||(e.nearClippingPlaneTolerance=.01),o[0]<e.nearClippingPlaneTolerance*o[1]&&(o[0]=e.nearClippingPlaneTolerance*o[1]),e.activeCamera.setClippingRange(o[0],o[1]),t.invokeEvent(n),!1},t.setRenderWindow=i=>{i!==e._renderWindow&&(e._vtkWindow=i,e._renderWindow=i)},t.visibleActorCount=()=>e.props.filter(i=>i.getVisibility()).length,t.visibleVolumeCount=t.visibleActorCount,t.getMTime=()=>{let i=e.mtime;const s=e.activeCamera?e.activeCamera.getMTime():0;s>i&&(i=s);const o=e._createdLight?e._createdLight.getMTime():0;return o>i&&(i=o),i},t.getTransparent=()=>!!e.preserveColorBuffer,t.isActiveCameraCreated=()=>!!e.activeCamera}var nM={pickedProp:null,activeCamera:null,allBounds:[],ambient:[1,1,1],allocatedRenderTime:100,timeFactor:1,automaticLightCreation:!0,twoSidedLighting:!0,lastRenderTimeInSeconds:-1,renderWindow:null,lights:[],actors:[],volumes:[],lightFollowCamera:!0,numberOfPropsRendered:0,propArray:null,pathArray:null,layer:0,preserveColorBuffer:!1,preserveDepthBuffer:!1,computeVisiblePropBounds:Pi(),interactive:!0,nearClippingPlaneTolerance:0,clippingRangeExpansion:.05,erase:!0,draw:!0,useShadows:!1,useDepthPeeling:!1,occlusionRatio:0,maximumNumberOfPeels:4,selector:null,delegate:null,texturedBackground:!1,backgroundTexture:null,environmentTexture:null,environmentTextureDiffuseStrength:1,environmentTextureSpecularStrength:1,useEnvironmentTextureAsBackground:!1,pass:0};function hh(t,e,r={}){for(Object.assign(e,nM,r),JR.extend(t,e,r),e.background||(e.background=[0,0,0,1]);e.background.length<3;)e.background.push(0);e.background.length===3&&e.background.push(1),We(t,e,["_renderWindow","allocatedRenderTime","timeFactor","lastRenderTimeInSeconds","numberOfPropsRendered","lastRenderingUsedDepthPeeling","selector"]),Ce(t,e,["twoSidedLighting","lightFollowCamera","automaticLightCreation","erase","draw","nearClippingPlaneTolerance","clippingRangeExpansion","backingStore","interactive","layer","preserveColorBuffer","preserveDepthBuffer","useDepthPeeling","occlusionRatio","maximumNumberOfPeels","delegate","backgroundTexture","texturedBackground","environmentTexture","environmentTextureDiffuseStrength","environmentTextureSpecularStrength","useEnvironmentTextureAsBackground","useShadows","pass"]),fa(t,e,["actors","volumes","lights"]),Hi(t,e,["background"],4,1),ua(t,e,["renderWindow"]),tM(t,e)}var 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d={...g(nr),position:C[0].position,deviceType:l(T)};t.leftButtonReleaseEvent(d)}},t.setView=T=>{e._view!==T&&(e._view=T,e._view.getRenderable().setInteractor(t),t.modified())},t.getFirstRenderer=()=>e._view?.getRenderable()?.getRenderersByReference()?.[0],t.findPokedRenderer=(T=0,C=0)=>{if(!e._view)return null;const d=e._view?.getRenderable()?.getRenderers();if(!d||d.length===0)return null;d.sort((E,R)=>E.getLayer()-R.getLayer());let x=null,w=null,S=null,M=d.length;for(;M--;){const E=d[M];if(e._view.isInViewport(T,C,E)&&E.getInteractive()){S=E;break}x===null&&E.getInteractive()&&(x=E),w===null&&e._view.isInViewport(T,C,E)&&(w=E)}return S===null&&(S=x),S===null&&(S=w),S==null&&(S=d[0]),S},t.render=()=>{!t.isAnimating()&&!e.inRender&&y()},hc.forEach(T=>{const C=T.charAt(0).toLowerCase()+T.slice(1);t[`${C}Event`]=d=>{if(!e.enabled)return;if(!t.getCurrentRenderer()){lM(`
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-          The interactor must be set before subscribing to events
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OM=O.newInstance(Sh,"vtkInteractorObserver"),EM={newInstance:OM,extend:Sh,...xM},RM={IS_START:0,IS_NONE:0,IS_ROTATE:1,IS_PAN:2,IS_SPIN:3,IS_DOLLY:4,IS_CAMERA_POSE:11,IS_WINDOW_LEVEL:1024,IS_SLICE:1025},vc={States:RM},{States:Lt}=vc,Ds={Rotate:Lt.IS_ROTATE,Pan:Lt.IS_PAN,Spin:Lt.IS_SPIN,Dolly:Lt.IS_DOLLY,CameraPose:Lt.IS_CAMERA_POSE,WindowLevel:Lt.IS_WINDOW_LEVEL,Slice:Lt.IS_SLICE};function MM(t,e){e.classHierarchy.push("vtkInteractorStyle"),Object.keys(Ds).forEach(r=>{O.event(t,e,`Start${r}Event`),t[`start${r}`]=()=>{e.state===Lt.IS_NONE&&(e.state=Ds[r],e._interactor.requestAnimation(t),t.invokeStartInteractionEvent({type:"StartInteractionEvent"}),t[`invokeStart${r}Event`]({type:`Start${r}Event`}))},O.event(t,e,`End${r}Event`),t[`end${r}`]=()=>{e.state===Ds[r]&&(e.state=Lt.IS_NONE,e._interactor.cancelAnimation(t),t.invokeEndInteractionEvent({type:"EndInteractionEvent"}),t[`invokeEnd${r}Event`]({type:`End${r}Event`}),e._interactor.render())}}),e.getRenderer=r=>e.focusedRenderer||r.pokedRenderer,t.handleKeyPress=r=>{const n=e._interactor;let a=null;switch(r.key){case"r":case"R":e.getRenderer(r).resetCamera(),n.render();break;case"w":case"W":a=e.getRenderer(r).getActors(),a.forEach(i=>{const s=i.getProperty();s.setRepresentationToWireframe&&s.setRepresentationToWireframe()}),n.render();break;case"s":case"S":a=e.getRenderer(r).getActors(),a.forEach(i=>{const 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Et.IS_DOLLY:e.wheelDolly||(t.handleMouseDolly(a,n),t.invokeInteractionEvent({type:"InteractionEvent"}));break;case Et.IS_SPIN:t.handleMouseSpin(a,n),t.invokeInteractionEvent({type:"InteractionEvent"});break;default:break}e.previousPosition=n},t.handleButton3D=r=>{if(r&&r.pressed&&r.device===po.RightController&&(r.input===Ir.Trigger||r.input===Ir.TrackPad)){t.startCameraPose();return}r&&!r.pressed&&r.device===po.RightController&&(r.input===Ir.Trigger||r.input===Ir.TrackPad)&&e.state===Et.IS_CAMERA_POSE&&t.endCameraPose()},t.handleMove3D=r=>{e.state===Et.IS_CAMERA_POSE&&t.updateCameraPose(r)},t.updateCameraPose=r=>{const n=e.getRenderer(r).getActiveCamera(),a=n.getPhysicalTranslation(),i=.5*.05*n.getPhysicalScale(),s=n.physicalOrientationToWorldDirection([r.orientation.x,r.orientation.y,r.orientation.z,r.orientation.w]);n.setPhysicalTranslation(a[0]+s[0]*i,a[1]+s[1]*i,a[2]+s[2]*i)},t.handleLeftButtonPress=r=>{e.previousPosition=r.position,r.shiftKey?r.controlKey||r.altKey?t.startDolly():t.startPan():r.controlKey||r.altKey?t.startSpin():t.startRotate()},t.handleLeftButtonRelease=()=>{switch(e.state){case Et.IS_DOLLY:t.endDolly();break;case Et.IS_PAN:t.endPan();break;case Et.IS_SPIN:t.endSpin();break;case Et.IS_ROTATE:t.endRotate();break;default:break}},t.handleStartMouseWheel=()=>{e.wheelDolly=!0,t.startDolly()},t.handleEndMouseWheel=()=>{t.endDolly(),e.wheelDolly=!1},t.handleStartPinch=r=>{e.previousScale=r.scale,t.startDolly()},t.handleEndPinch=()=>{t.endDolly()},t.handleStartRotate=r=>{e.previousRotation=r.rotation,t.startRotate()},t.handleEndRotate=()=>{t.endRotate()},t.handleStartPan=r=>{e.previousTranslation=r.translation,t.startPan()},t.handleEndPan=()=>{t.endPan()},t.handlePinch=r=>{t.dollyByFactor(e.getRenderer(r),r.scale/e.previousScale),e.previousScale=r.scale},t.handlePan=r=>{const n=e.getRenderer(r).getActiveCamera();let a=n.getFocalPoint();a=t.computeWorldToDisplay(e.getRenderer(r),a[0],a[1],a[2]);const i=a[2],s=r.translation,o=e.previousTranslation,c=t.computeDisplayToWorld(e.getRenderer(r),a[0]+s[0]-o[0],a[1]+s[1]-o[1],i),f=t.computeDisplayToWorld(e.getRenderer(r),a[0],a[1],i),g=[];g[0]=f[0]-c[0],g[1]=f[1]-c[1],g[2]=f[2]-c[2],a=n.getFocalPoint();const u=n.getPosition();n.setFocalPoint(g[0]+a[0],g[1]+a[1],g[2]+a[2]),n.setPosition(g[0]+u[0],g[1]+u[1],g[2]+u[2]),e._interactor.getLightFollowCamera()&&e.getRenderer(r).updateLightsGeometryToFollowCamera(),n.orthogonalizeViewUp(),e.previousTranslation=r.translation},t.handleRotate=r=>{const n=e.getRenderer(r).getActiveCamera();n.roll(r.rotation-e.previousRotation),n.orthogonalizeViewUp(),e.previousRotation=r.rotation},t.handleMouseRotate=(r,n)=>{if(!e.previousPosition)return;const a=e._interactor,i=n.x-e.previousPosition.x,s=n.y-e.previousPosition.y,o=a.getView().getViewportSize(r);let c=-.1,f=-.1;o[0]&&o[1]&&(c=-20/o[1],f=-20/o[0]);const g=i*f*e.motionFactor,u=s*c*e.motionFactor,l=r.getActiveCamera();!Number.isNaN(g)&&!Number.isNaN(u)&&(l.azimuth(g),l.elevation(u),l.orthogonalizeViewUp()),e.autoAdjustCameraClippingRange&&r.resetCameraClippingRange(),a.getLightFollowCamera()&&r.updateLightsGeometryToFollowCamera()},t.handleMouseSpin=(r,n)=>{if(!e.previousPosition)return;const a=e._interactor,i=r.getActiveCamera(),s=a.getView().getViewportCenter(r),o=dr(Math.atan2(e.previousPosition.y-s[1],e.previousPosition.x-s[0])),c=dr(Math.atan2(n.y-s[1],n.x-s[0]))-o;Number.isNaN(c)||(i.roll(c),i.orthogonalizeViewUp())},t.handleMousePan=(r,n)=>{if(!e.previousPosition)return;const a=r.getActiveCamera();let i=a.getFocalPoint();i=t.computeWorldToDisplay(r,i[0],i[1],i[2]);const s=i[2],o=t.computeDisplayToWorld(r,n.x,n.y,s),c=t.computeDisplayToWorld(r,e.previousPosition.x,e.previousPosition.y,s),f=[];f[0]=c[0]-o[0],f[1]=c[1]-o[1],f[2]=c[2]-o[2],i=a.getFocalPoint();const g=a.getPosition();a.setFocalPoint(f[0]+i[0],f[1]+i[1],f[2]+i[2]),a.setPosition(f[0]+g[0],f[1]+g[1],f[2]+g[2]),e._interactor.getLightFollowCamera()&&r.updateLightsGeometryToFollowCamera()},t.handleMouseDolly=(r,n)=>{if(!e.previousPosition)return;const a=n.y-e.previousPosition.y,i=e._interactor.getView().getViewportCenter(r),s=e.motionFactor*a/i[1];t.dollyByFactor(r,1.1**s)},t.handleMouseWheel=r=>{const n=1-r.spinY/e.zoomFactor;t.dollyByFactor(e.getRenderer(r),n)},t.dollyByFactor=(r,n)=>{if(Number.isNaN(n))return;const a=r.getActiveCamera();a.getParallelProjection()?a.setParallelScale(a.getParallelScale()/n):(a.dolly(n),e.autoAdjustCameraClippingRange&&r.resetCameraClippingRange()),e._interactor.getLightFollowCamera()&&r.updateLightsGeometryToFollowCamera()}}var FM={motionFactor:10,zoomFactor:10,wheelDolly:!1};function Oh(t,e,r={}){Object.assign(e,FM,r),VM.extend(t,e,r),O.setGet(t,e,["motionFactor","zoomFactor"]),LM(t,e)}var _M=O.newInstance(Oh,"vtkInteractorStyleTrackballCamera"),NM={newInstance:_M,extend:Oh};function BM(t){return t}function Tc(t){if(t===null||t==="null")return null;if(t==="true")return!0;if(t==="false")return!1;if(!(t===void 0||t==="undefined"))return t[0]==="["&&t[t.length-1]==="]"?t.substring(1,t.length-1).split(",").map(e=>Tc(e.trim())):t===""||Number.isNaN(Number(t))?t:Number(t)}function kM(t=!0,e=window.location.search){const r={},n=t?Tc:BM;return new URLSearchParams(e).forEach((a,i)=>{i&&(r[i]=a?n(a):!0)}),r}var Eh={toNativeType:Tc,extractURLParameters:kM};function GM(t,e){e.classHierarchy.push("vtkRenderPass"),t.getOperation=()=>e.currentOperation,t.setCurrentOperation=r=>{e.currentOperation=r,e.currentTraverseOperation=`traverse${O.capitalize(e.currentOperation)}`},t.getTraverseOperation=()=>e.currentTraverseOperation,t.traverse=(r,n=null)=>{e.deleted||(e._currentParent=n,e.preDelegateOperations.forEach(a=>{t.setCurrentOperation(a),r.traverse(t)}),e.delegates.forEach(a=>{a.traverse(r,t)}),e.postDelegateOperations.forEach(a=>{t.setCurrentOperation(a),r.traverse(t)}))}}var UM={delegates:[],currentOperation:null,preDelegateOperations:[],postDelegateOperations:[],currentParent:null};function Rh(t,e,r={}){Object.assign(e,UM,r),O.obj(t,e),O.get(t,e,["currentOperation"]),O.setGet(t,e,["delegates","_currentParent","preDelegateOperations","postDelegateOperations"]),O.moveToProtected(t,e,["currentParent"]),GM(t,e)}var bM=O.newInstance(Rh,"vtkRenderPass"),nn={newInstance:bM,extend:Rh},{Representation:$M}=tn,{vtkErrorMacro:If}=O;function zM(t){t.Fragment=k.substitute(t.Fragment,"//VTK::RenderPassFragmentShader::Impl",`
-      float weight = gl_FragData[0].a * pow(max(1.1 - gl_FragCoord.z, 0.0), 2.0);
-      gl_FragData[0] = vec4(gl_FragData[0].rgb*weight, gl_FragData[0].a);
-      gl_FragData[1].r = weight;
-    `,!1).result}var WM=`//VTK::System::Dec
-
-in vec2 tcoord;
-
-uniform sampler2D translucentRTexture;
-uniform sampler2D translucentRGBATexture;
-
-// the output of this shader
-//VTK::Output::Dec
-
-void main()
-{
-  vec4 t1Color = texture(translucentRGBATexture, tcoord);
-  float t2Color = texture(translucentRTexture, tcoord).r;
-  gl_FragData[0] = vec4(t1Color.rgb/max(t2Color,0.01), 1.0 - t1Color.a);
-}
-`;function AM(t,e){e.classHierarchy.push("vtkOpenGLOrderIndependentTranslucentPass"),t.createVertexBuffer=()=>{const r=new Float32Array([-1,-1,-1,1,-1,-1,-1,1,-1,1,1,-1]),n=new Float32Array([0,0,1,0,0,1,1,1]),a=new Uint16Array([4,0,1,3,2]),i=j.newInstance({numberOfComponents:3,values:r});i.setName("points");const s=j.newInstance({numberOfComponents:2,values:n});s.setName("tcoords");const o=j.newInstance({numberOfComponents:1,values:a});e.tris.getCABO().createVBO(o,"polys",$M.SURFACE,{points:i,tcoords:s,cellOffset:0}),e.VBOBuildTime.modified()},t.createFramebuffer=r=>{const n=r.getSize(),a=r.getContext();e.framebuffer=Qn.newInstance(),e.framebuffer.setOpenGLRenderWindow(r),e.framebuffer.create(...n),e.framebuffer.saveCurrentBindingsAndBuffers(),e.framebuffer.bind(),e.translucentRGBATexture=Q.newInstance(),e.translucentRGBATexture.setInternalFormat(a.RGBA16F),e.translucentRGBATexture.setFormat(a.RGBA),e.translucentRGBATexture.setOpenGLDataType(a.HALF_FLOAT),e.translucentRGBATexture.setOpenGLRenderWindow(r),e.translucentRGBATexture.create2DFromRaw({width:n[0],height:n[1],numComps:4,dataType:"Float32Array",data:null}),e.translucentRTexture=Q.newInstance(),e.translucentRTexture.setInternalFormat(a.R16F),e.translucentRTexture.setFormat(a.RED),e.translucentRTexture.setOpenGLDataType(a.HALF_FLOAT),e.translucentRTexture.setOpenGLRenderWindow(r),e.translucentRTexture.create2DFromRaw({width:n[0],height:n[1],numComps:1,dataType:"Float32Array",data:null}),e.translucentZTexture=Q.newInstance(),e.translucentZTexture.setOpenGLRenderWindow(r),e.translucentZTexture.createDepthFromRaw({width:n[0],height:n[1],dataType:"Float32Array",data:null}),e.framebuffer.setColorBuffer(e.translucentRGBATexture,0),e.framebuffer.setColorBuffer(e.translucentRTexture,1),e.framebuffer.setDepthBuffer(e.translucentZTexture)},t.createCopyShader=r=>{e.copyShader=r.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","attribute vec2 tcoordTC;","varying vec2 tcoord;","void main() { tcoord = tcoordTC; gl_Position = vertexDC; }"].join(`
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fD(t,e){e.classHierarchy.push("vtkWebGPUSampler"),t.create=(r,n={})=>{e.device=r,e.options.addressModeU=n.addressModeU?n.addressModeU:"clamp-to-edge",e.options.addressModeV=n.addressModeV?n.addressModeV:"clamp-to-edge",e.options.addressModeW=n.addressModeW?n.addressModeW:"clamp-to-edge",e.options.magFilter=n.magFilter?n.magFilter:"nearest",e.options.minFilter=n.minFilter?n.minFilter:"nearest",e.options.mipmapFilter=n.mipmapFilter?n.mipmapFilter:"nearest",e.options.label=e.label,e.handle=e.device.getHandle().createSampler(e.options),e.bindGroupTime.modified()},t.getShaderCode=(r,n)=>`@binding(${r}) @group(${n}) var ${e.label}: sampler;`,t.getBindGroupEntry=()=>({resource:e.handle})}var uD={device:null,handle:null,label:null,options:null};function Hh(t,e,r={}){Object.assign(e,uD,r),O.obj(t,e),e.options={},e.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,sampler:{}},e.bindGroupTime={},O.obj(e.bindGroupTime,{mtime:0}),O.get(t,e,["bindGroupTime","handle","options"]),O.setGet(t,e,["bindGroupLayoutEntry","device","label"]),fD(t,e)}var gD=O.newInstance(Hh),yc={newInstance:gD,extend:Hh};function lD(t,e){e.classHierarchy.push("vtkWebGPUTextureView"),t.create=(r,n)=>{e.texture=r,e.options=n,e.options.dimension=e.options.dimension||"2d",e.options.label=e.label,e.textureHandle=r.getHandle(),e.handle=e.textureHandle.createView(e.options),e.bindGroupLayoutEntry.texture.viewDimension=e.options.dimension;const a=$e.getDetailsFromTextureFormat(e.texture.getFormat());e.bindGroupLayoutEntry.texture.sampleType=a.sampleType},t.createFromTextureHandle=(r,n)=>{e.texture=null,e.options=n,e.options.dimension=e.options.dimension||"2d",e.options.label=e.label,e.textureHandle=r,e.handle=e.textureHandle.createView(e.options),e.bindGroupLayoutEntry.texture.viewDimension=e.options.dimension;const a=$e.getDetailsFromTextureFormat(n.format);e.bindGroupLayoutEntry.texture.sampleType=a.sampleType,e.bindGroupTime.modified()},t.getBindGroupEntry=()=>({resource:t.getHandle()}),t.getShaderCode=(r,n)=>{let a="f32";e.bindGroupLayoutEntry.texture.sampleType==="sint"?a="i32":e.bindGroupLayoutEntry.texture.sampleType==="uint"&&(a="u32");let i=`@binding(${r}) @group(${n}) var ${e.label}: texture_${e.options.dimension}<${a}>;`;return e.bindGroupLayoutEntry.texture.sampleType==="depth"&&(i=`@binding(${r}) @group(${n}) var ${e.label}: texture_depth_${e.options.dimension};`),i},t.addSampler=(r,n)=>{const a=yc.newInstance({label:`${e.label}Sampler`});a.create(r,n),t.setSampler(a)},t.getBindGroupTime=()=>(e.texture&&e.texture.getHandle()!==e.textureHandle&&(e.textureHandle=e.texture.getHandle(),e.handle=e.textureHandle.createView(e.options),e.bindGroupTime.modified()),e.bindGroupTime),t.getHandle=()=>(e.texture&&e.texture.getHandle()!==e.textureHandle&&(e.textureHandle=e.texture.getHandle(),e.handle=e.textureHandle.createView(e.options),e.bindGroupTime.modified()),e.handle)}var pD={texture:null,handle:null,sampler:null,label:null};function jh(t,e,r={}){Object.assign(e,pD,r),O.obj(t,e),e.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,texture:{sampleType:"float",viewDimension:"2d"}},e.bindGroupTime={},O.obj(e.bindGroupTime,{mtime:0}),O.get(t,e,["bindGroupTime","texture"]),O.setGet(t,e,["bindGroupLayoutEntry","label","sampler"]),lD(t,e)}var hD=O.newInstance(jh),Ph={newInstance:hD,extend:jh},{vtkErrorMacro:Pa}=O;function vD(t,e){e.classHierarchy.push("vtkWebGPUTexture");const r=(i,s)=>{if(i.elementSize===2&&i.sampleType==="float")return"Uint16Array";if(i.sampleType==="sint"){if(i.elementSize===1)return"Int8Array";if(i.elementSize===2)return"Int16Array";if(i.elementSize===4)return"Int32Array"}else if(i.sampleType==="unfilterable-float"){if(i.elementSize===4)return"Float32Array"}else{if(i.elementSize===1)return"Uint8Array";if(i.elementSize===2)return"Uint16Array";if(i.elementSize===4)return"Uint32Array"}return s},n=(i,s,o,c)=>{const f=$e.getDetailsFromTextureFormat(e.format),g=s*f.numComponents,u=g*o*c,l=f.elementSize===2&&f.sampleType==="float";if(!i?.length&&u>0)return Pa("Texture upload failed: missing nativeArray data."),null;if(i.length<u)return Pa(`Texture upload failed: expected ${u} values but received ${i.length}.`),null;const p=i.length>u?i.subarray(0,u):i,h=p.BYTES_PER_ELEMENT||f.elementSize,v=s*f.stride,y=256*Math.floor((v+255)/256),T=r(f,p.constructor.name),C=y/(l?2:O.newTypedArray(T,0).BYTES_PER_ELEMENT),d=g*h;if(!(l||p.constructor.name!==T||d!==y))return{data:p,bytesPerRow:y};const x=o*c,w=O.newTypedArray(T,C*x);if(l)for(let S=0;S<x;S++){const M=S*g,E=S*C;for(let R=0;R<g;R++)w[E+R]=vt.toHalf(p[M+R])}else if(C===g)w.set(p);else for(let S=0;S<x;S++)w.set(p.subarray(S*g,(S+1)*g),S*C);return{data:w,bytesPerRow:y}},a=(i,s,o,c,f,g)=>i<0||s<0||o<0||c<=0||f<=0||g<=0?(Pa(`Texture upload failed: invalid write region origin=(${i}, ${s}, ${o}) size=(${c}, ${f}, ${g}).`),!1):i+c>e.width||s+f>e.height||o+g>e.depth?(Pa(`Texture upload failed: write region origin=(${i}, ${s}, ${o}) size=(${c}, ${f}, ${g}) exceeds texture extent=(${e.width}, ${e.height}, ${e.depth}).`),!1):!0;t.create=(i,s)=>{e.device=i,e.width=s.width,e.height=s.height,e.depth=s.depth?s.depth:1,s.dimension?e.dimension=s.dimension:e.dimension=e.depth===1?"2d":"3d",e.format=s.format?s.format:"rgba8unorm",e.mipLevel=s.mipLevel?s.mipLevel:0,e.usage=s.usage?s.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST,e.handle=e.device.getHandle().createTexture({size:[e.width,e.height,e.depth],format:e.format,usage:e.usage,label:e.label,dimension:e.dimension,mipLevelCount:e.mipLevel+1})},t.assignFromHandle=(i,s,o)=>{e.device=i,e.handle=s,e.width=o.width,e.height=o.height,e.depth=o.depth?o.depth:1,o.dimension?e.dimension=o.dimension:e.dimension=e.depth===1?"2d":"3d",e.format=o.format?o.format:"rgba8unorm",e.usage=o.usage?o.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST},t.writeImageData=i=>{let s=[];const o=p=>{const h=i.originZ??0,v=i.depth??1;e.device.getHandle().queue.copyExternalImageToTexture({source:p,flipY:i.flip},{texture:e.handle,premultipliedAlpha:!0,mipLevel:0,origin:{x:0,y:0,z:h}},[p.width,p.height,v]),e.dimension==="2d"&&v===1&&e.mipLevel>0&&pr.generateMipmaps(e.device.getHandle(),e.handle,e.mipLevel+1),e.ready=!0};if(i.canvas){o(i.canvas);return}if(i.imageBitmap){i.width=i.imageBitmap.width,i.height=i.imageBitmap.height,i.depth=1,i.format="rgba8unorm",i.flip=!0,o(i.imageBitmap);return}if(i.jsImageData){i.width=i.jsImageData.width,i.height=i.jsImageData.height,i.depth=1,i.format="rgba8unorm",i.flip=!0,o(i.jsImageData);return}if(i.image){i.width=i.image.width,i.height=i.image.height,i.depth=1,i.format="rgba8unorm",i.flip=!0,o(i.image);return}i.nativeArray&&(s=i.nativeArray);const c=i.width??e.width,f=i.height??e.height,g=i.depth??1,u=n(s,c,f,g);if(!u)return;const l=u.data;e.device.getHandle().queue.writeTexture({texture:e.handle,mipLevel:0,origin:{x:0,y:0,z:i.originZ??0}},l,{offset:0,bytesPerRow:u.bytesPerRow,rowsPerImage:f},{width:c,height:f,depthOrArrayLayers:g}),e.dimension==="2d"&&g===1&&e.mipLevel>0&&pr.generateMipmaps(e.device.getHandle(),e.handle,e.mipLevel+1),e.ready=!0},t.writeSubImageData=i=>{const s=i.x??0,o=i.y??0,c=i.z??0,f=i.width??e.width-s,g=i.height??e.height-o,u=i.depth??e.depth-c,l=i.nativeArray||[];if(!a(s,o,c,f,g,u))return;const p=n(l,f,g,u);p&&(e.device.getHandle().queue.writeTexture({texture:e.handle,mipLevel:0,origin:{x:s,y:o,z:c}},p.data,{offset:0,bytesPerRow:p.bytesPerRow,rowsPerImage:g},{width:f,height:g,depthOrArrayLayers:u}),t.getDimensionality()!==3&&e.mipLevel>0&&pr.generateMipmaps(e.device.getHandle(),e.handle,e.mipLevel+1),e.ready=!0)},t.getScale=()=>{const i=$e.getDetailsFromTextureFormat(e.format);return i.elementSize===2&&i.sampleType==="float"?1:255},t.getNumberOfComponents=()=>$e.getDetailsFromTextureFormat(e.format).numComponents,t.getDimensionality=()=>{let i=0;return e.width>1&&i++,e.height>1&&i++,e.depth>1&&i++,i},t.resizeToMatch=i=>{(i.getWidth()!==e.width||i.getHeight()!==e.height||i.getDepth()!==e.depth)&&(e.width=i.getWidth(),e.height=i.getHeight(),e.depth=i.getDepth(),e.handle=e.device.getHandle().createTexture({size:[e.width,e.height,e.depth],dimension:e.dimension,format:e.format,usage:e.usage,label:e.label}))},t.resize=(i,s,o=1)=>{(i!==e.width||s!==e.height||o!==e.depth)&&(e.width=i,e.height=s,e.depth=o,e.handle=e.device.getHandle().createTexture({size:[e.width,e.height,e.depth],dimension:e.dimension,format:e.format,usage:e.usage,label:e.label}))},t.createView=(i,s={})=>{s.dimension||(e.dimension==="3d"?s.dimension="3d":e.depth===1?s.dimension="2d":s.dimension="2d-array");const o=Ph.newInstance({label:i});return o.create(t,s),o}}var TD={device:null,dimension:"2d",handle:null,buffer:null,ready:!1,label:null};function Kh(t,e,r={}){Object.assign(e,TD,r),O.obj(t,e),O.get(t,e,["dimension","handle","ready","width","height","depth","format","usage"]),O.setGet(t,e,["device","label"]),vD(t,e)}var yD=O.newInstance(Kh),Gt={newInstance:yD,extend:Kh};function dD(t,e){e.classHierarchy.push("vtkWebGPUOpaquePass"),t.traverse=(r,n)=>{if(e.deleted)return;e._currentParent=n;const a=n.getDevice();if(e.renderEncoder)e.colorTexture.resize(n.getCanvas().width,n.getCanvas().height),e.depthTexture.resize(n.getCanvas().width,n.getCanvas().height);else{t.createRenderEncoder(),e.colorTexture=Gt.newInstance({label:"opaquePassColor"}),e.colorTexture.create(a,{width:n.getCanvas().width,height:n.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const i=e.colorTexture.createView("opaquePassColorTexture");e.renderEncoder.setColorTextureView(0,i),e.depthFormat="depth32float",e.depthTexture=Gt.newInstance({label:"opaquePassDepth"}),e.depthTexture.create(a,{width:n.getCanvas().width,height:n.getCanvas().height,format:e.depthFormat,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const s=e.depthTexture.createView("opaquePassDepthTexture");e.renderEncoder.setDepthTextureView(s)}e.renderEncoder.attachTextureViews(),t.setCurrentOperation("opaquePass"),r.setRenderEncoder(e.renderEncoder),r.traverse(t)},t.getColorTextureView=()=>e.renderEncoder.getColorTextureViews()[0],t.getDepthTextureView=()=>e.renderEncoder.getDepthTextureView(),t.createRenderEncoder=()=>{e.renderEncoder=Yt.newInstance({label:"OpaquePass"}),e.renderEncoder.setPipelineHash("op")},t.releaseGraphicsResources=()=>{e.renderEncoder=null,e.colorTexture=null,e.depthTexture=null}}var CD={renderEncoder:null,colorTexture:null,depthTexture:null};function Xh(t,e,r={}){Object.assign(e,CD,r),nn.extend(t,e,r),O.get(t,e,["colorTexture","depthTexture"]),dD(t,e)}var xD=O.newInstance(Xh,"vtkWebGPUOpaquePass"),SD={newInstance:xD,extend:Xh},wD=`
-//VTK::Mapper::Dec
-
-//VTK::TCoord::Dec
-
-//VTK::RenderEncoder::Dec
-
-//VTK::IOStructs::Dec
-
-@fragment
-fn main(
-//VTK::IOStructs::Input
-)
-//VTK::IOStructs::Output
-{
-  var output: fragmentOutput;
-
-  var tcoord: vec2<i32> = vec2<i32>(i32(input.fragPos.x), i32(input.fragPos.y));
-  var reveal: f32 = textureLoad(oitpAccumTexture, tcoord, 0).r;
-  if (reveal == 1.0) { discard; }
-  var tcolor: vec4<f32> = textureLoad(oitpColorTexture, tcoord, 0);
-  var total: f32 = max(tcolor.a, 0.01);
-  var computedColor: vec4<f32> = vec4<f32>(tcolor.r/total, tcolor.g/total, tcolor.b/total, 1.0 - reveal);
-
-  //VTK::RenderEncoder::Impl
-  return output;
-}
-`;function OD(t,e){e.classHierarchy.push("vtkWebGPUOrderIndependentTranslucentPass"),t.traverse=(r,n)=>{if(e.deleted)return;e._currentParent=n;const a=n.getDevice();if(e.translucentRenderEncoder)e.translucentColorTexture.resizeToMatch(e.colorTextureView.getTexture()),e.translucentAccumulateTexture.resizeToMatch(e.colorTextureView.getTexture());else{t.createRenderEncoder(),t.createFinalEncoder(),e.translucentColorTexture=Gt.newInstance({label:"translucentPassColor"}),e.translucentColorTexture.create(a,{width:n.getCanvas().width,height:n.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const i=e.translucentColorTexture.createView("oitpColorTexture");e.translucentRenderEncoder.setColorTextureView(0,i),e.translucentAccumulateTexture=Gt.newInstance({label:"translucentPassAccumulate"}),e.translucentAccumulateTexture.create(a,{width:n.getCanvas().width,height:n.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const s=e.translucentAccumulateTexture.createView("oitpAccumTexture");e.translucentRenderEncoder.setColorTextureView(1,s),e.fullScreenQuad=is.newInstance(),e.fullScreenQuad.setDevice(n.getDevice()),e.fullScreenQuad.setPipelineHash("oitpfsq"),e.fullScreenQuad.setTextureViews(e.translucentRenderEncoder.getColorTextureViews()),e.fullScreenQuad.setFragmentShaderTemplate(wD)}e.translucentRenderEncoder.setDepthTextureView(e.depthTextureView),e.translucentRenderEncoder.attachTextureViews(),t.setCurrentOperation("translucentPass"),r.setRenderEncoder(e.translucentRenderEncoder),r.traverse(t),t.finalPass(n,r)},t.finalPass=(r,n)=>{e.translucentFinalEncoder.setColorTextureView(0,e.colorTextureView),e.translucentFinalEncoder.attachTextureViews(),e.translucentFinalEncoder.begin(r.getCommandEncoder()),n.scissorAndViewport(e.translucentFinalEncoder),e.fullScreenQuad.prepareAndDraw(e.translucentFinalEncoder),e.translucentFinalEncoder.end()},t.getTextures=()=>[e.translucentColorTexture,e.translucentAccumulateTexture],t.createRenderEncoder=()=>{e.translucentRenderEncoder=Yt.newInstance({label:"translucentRender"});const r=e.translucentRenderEncoder.getDescription();r.colorAttachments=[{view:void 0,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:void 0,clearValue:[1,0,0,0],loadOp:"clear",storeOp:"store"}],r.depthStencilAttachment={view:void 0,depthLoadOp:"load",depthStoreOp:"store"},e.translucentRenderEncoder.setReplaceShaderCodeFunction(n=>{const a=n.getShaderDescription("fragment");a.addOutput("vec4<f32>","outColor"),a.addOutput("f32","outAccum"),a.addBuiltinInput("vec4<f32>","@builtin(position) fragPos");let i=a.getCode();i=pe.substitute(i,"//VTK::RenderEncoder::Impl",["var w: f32 = computedColor.a * pow(0.1 + input.fragPos.z, 2.0);","output.outColor = vec4<f32>(computedColor.rgb*w, w);","output.outAccum = computedColor.a;"]).result,a.setCode(i)}),e.translucentRenderEncoder.setPipelineHash("oitpr"),e.translucentRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!1,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one"},alpha:{srcFactor:"one",dstFactor:"one"}}},{format:"r16float",blend:{color:{srcFactor:"zero",dstFactor:"one-minus-src"},alpha:{srcFactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},t.createFinalEncoder=()=>{e.translucentFinalEncoder=Yt.newInstance({label:"translucentFinal"}),e.translucentFinalEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),e.translucentFinalEncoder.setReplaceShaderCodeFunction(r=>{const n=r.getShaderDescription("fragment");n.addOutput("vec4<f32>","outColor"),n.addBuiltinInput("vec4<f32>","@builtin(position) fragPos");let a=n.getCode();a=pe.substitute(a,"//VTK::RenderEncoder::Impl",["output.outColor = vec4<f32>(computedColor.rgb, computedColor.a);"]).result,n.setCode(a)}),e.translucentFinalEncoder.setPipelineHash("oitpf"),e.translucentFinalEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcFactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},t.releaseGraphicsResources=()=>{e.translucentRenderEncoder=null,e.translucentFinalEncoder=null,e.translucentColorTexture=null,e.translucentAccumulateTexture=null,e.fullScreenQuad=null}}var ED={colorTextureView:null,depthTextureView:null};function Yh(t,e,r={}){Object.assign(e,ED,r),nn.extend(t,e,r),O.setGet(t,e,["colorTextureView","depthTextureView"]),OD(t,e)}var RD=O.newInstance(Yh,"vtkWebGPUOrderIndependentTranslucentPass"),MD={newInstance:RD,extend:Yh},mD={Verts:0,Lines:1,Triangles:2,Strips:3,LinesFromStrips:4,LinesFromTriangles:5,Points:6,UniformArray:7,PointArray:8,NormalsFromPoints:9,Texture:10,RawVertex:11,Storage:12,Index:13},DD={Start:0,Points:0,Lines:1,Triangles:2,TriangleStrips:3,TriangleEdges:4,TriangleStripEdges:5,End:6},da={BufferUsage:mD,PrimitiveTypes:DD},Fs=["getMappedRange","mapAsync","unmap"];function VD(t,e,r,n){const a=n.byteLength,i=t.createBuffer({size:a,usage:GPUBufferUsage.COPY_SRC,mappedAtCreation:!0}),s=i.getMappedRange(0,a);new Uint8Array(s).set(new Uint8Array(n)),i.unmap();const o=t.createCommandEncoder();o.copyBufferToBuffer(i,0,e,r,a);const c=o.finish();t.queue.submit([c]),i.destroy()}function LD(t,e){e.classHierarchy.push("vtkWebGPUBuffer"),t.create=(r,n)=>{e.handle=e.device.getHandle().createBuffer({size:r,usage:n,label:e.label}),e.sizeInBytes=r,e.usage=n},t.write=r=>{VD(e.device.getHandle(),e.handle,0,r.buffer)},t.createAndWrite=(r,n)=>{const a=Math.ceil(r.byteLength/4)*4;e.handle=e.device.getHandle().createBuffer({size:a,usage:n,mappedAtCreation:!0,label:e.label}),e.sizeInBytes=a,e.usage=n,new Uint8Array(e.handle.getMappedRange()).set(new Uint8Array(r.buffer)),e.handle.unmap()};for(let r=0;r<Fs.length;r++)t[Fs[r]]=(...n)=>e.handle[Fs[r]](...n)}var FD={device:null,handle:null,sizeInBytes:0,strideInBytes:0,arrayInformation:null,usage:null,label:null,sourceTime:null};function qh(t,e,r={}){Object.assign(e,FD,r),O.obj(t,e),O.get(t,e,["handle","sizeInBytes","usage"]),O.setGet(t,e,["strideInBytes","device","arrayInformation","label","sourceTime"]),LD(t,e)}var _D=O.newInstance(qh),Or={newInstance:_D,extend:qh,...da},{Representation:Xf}=tn,{PrimitiveTypes:gn}=da,ND=class{constructor(){this.keys=new Uint32Array(10),this.values=new Uint32Array(10),this.count=0}clear(){this.count=0}has(t){for(let e=0;e<this.count;e++)if(this.keys[e]===t)return!0;return!1}get(t){for(let e=0;e<this.count;e++)if(this.keys[e]===t)return this.values[e]}set(t,e){this.count<9&&(this.keys[this.count]=t,this.values[this.count++]=e)}};function BD(t){switch(t){case gn.Points:return"points";case gn.Lines:return"lines";case gn.Triangles:case gn.TriangleEdges:return"polys";case gn.TriangleStripEdges:case gn.TriangleStrips:return"strips";default:return""}}function Ka(t,e,r){let n=t.pointIdToFlatId[e];return n<0&&(n=t.flatId,t.pointIdToFlatId[e]=n,t.flatIdToPointId[t.flatId]=e,t.flatIdToCellId[t.flatId]=r,t.flatId++),n}function kD(t,e,r){const n=t.length;for(let s=0;s<n;s++){let o=t[s];if(r.cellProvokedMap.has(o)){r.ibo[r.iboId++]=r.cellProvokedMap.get(o);for(let c=s+1;c<s+n;c++){o=t[c%n];const f=Ka(r,o,e);r.ibo[r.iboId++]=f}return}}for(let s=0;s<n;s++){let o=t[s];if(!r.provokedPointIds[o]){let c=Ka(r,o,e);r.provokedPointIds[o]=1,r.cellProvokedMap.set(o,c),r.flatIdToCellId[c]=e,r.ibo[r.iboId++]=c;for(let f=s+1;f<s+n;f++)o=t[f%n],c=Ka(r,o,e),r.ibo[r.iboId++]=c;return}}let a=t[0],i=r.flatId;r.cellProvokedMap.set(a,i),r.flatIdToPointId[r.flatId]=a,r.flatIdToCellId[r.flatId]=e,r.flatId++,r.ibo[r.iboId++]=i;for(let s=1;s<n;s++)a=t[s],i=Ka(r,a,e),r.ibo[r.iboId++]=i}function GD(t,e,r){const n=t.length;r.iboSize+=n;for(let a=0;a<n;a++){const i=t[a];if(r.cellProvokedMap.has(i))return}for(let a=0;a<n;a++){const i=t[a];if(!r.provokedPointIds[i]){r.provokedPointIds[i]=1,r.cellProvokedMap.set(i,1);return}}r.cellProvokedMap.set(t[0],1),r.extraPoints++}var jt,Yf=new Uint32Array(1),rt=new Uint32Array(2),on=new Uint32Array(3),_s={anythingToPoints(t,e,r,n,a){for(let i=0;i<t;++i)Yf[0]=e[r+i],jt(Yf,n,a)},linesToWireframe(t,e,r,n,a){for(let i=0;i<t-1;++i)rt[0]=e[r+i],rt[1]=e[r+i+1],jt(rt,n,a)},polysToWireframe(t,e,r,n,a){if(t>2)for(let i=0;i<t;++i)rt[0]=e[r+i],rt[1]=e[r+(i+1)%t],jt(rt,n,a)},stripsToWireframe(t,e,r,n,a){if(t>2){for(let i=0;i<t-1;++i)rt[0]=e[r+i],rt[1]=e[r+i+1],jt(rt,n,a);for(let i=0;i<t-2;i++)rt[0]=e[r+i],rt[1]=e[r+i+2],jt(rt,n,a)}},polysToSurface(t,e,r,n,a){for(let i=0;i<t-2;i++)on[0]=e[r],on[1]=e[r+i+1],on[2]=e[r+i+2],jt(on,n,a)},stripsToSurface(t,e,r,n,a){for(let i=0;i<t-2;i++)on[0]=e[r+i],on[1]=e[r+i+1+i%2],on[2]=e[r+i+1+(i+1)%2],jt(on,n,a)}};function UD(t,e){e.classHierarchy.push("vtkWebGPUIndexBuffer"),t.buildIndexBuffer=r=>{const n=r.cells,a=r.primitiveType,i=r.representation,s=r.cellOffset,o=n.getData(),c=o.length,f=BD(a),g=r.numberOfPoints,u={provokedPointIds:new Uint8Array(g),extraPoints:0,iboSize:0,flatId:0,iboId:0,cellProvokedMap:new ND};let l=null;i===Xf.POINTS||a===gn.Points?l=_s.anythingToPoints:i===Xf.WIREFRAME||a===gn.Lines?l=_s[`${f}ToWireframe`]:l=_s[`${f}ToSurface`],jt=GD;let p=s||0;for(let h=0;h<c;)u.cellProvokedMap.clear(),l(o[h],o,h+1,p,u),h+=o[h]+1,p++;g<=65535?u.flatIdToPointId=new Uint16Array(g+u.extraPoints):u.flatIdToPointId=new Uint32Array(g+u.extraPoints),g+u.extraPoints<=32767?u.pointIdToFlatId=new Int16Array(g):u.pointIdToFlatId=new Int32Array(g),g+u.extraPoints<=65535?(u.ibo=new Uint16Array(u.iboSize),r.format="uint16"):(u.ibo=new Uint32Array(u.iboSize),r.format="uint32"),p<=65535?u.flatIdToCellId=new Uint16Array(g+u.extraPoints):u.flatIdToCellId=new Uint32Array(g+u.extraPoints),u.pointIdToFlatId.fill(-1),u.provokedPointIds.fill(0),jt=kD,p=s||0;for(let h=0;h<c;)u.cellProvokedMap.clear(),l(o[h],o,h+1,p,u),h+=o[h]+1,p++;delete u.provokedPointIds,delete u.pointIdToFlatId,r.nativeArray=u.ibo,e.flatIdToPointId=u.flatIdToPointId,e.flatIdToCellId=u.flatIdToCellId,e.flatSize=u.flatId,e.indexCount=u.iboId}}var bD={flatIdToPointId:null,flatIdToCellId:null,flatSize:0,indexCount:0};function Zh(t,e,r={}){Object.assign(e,bD,r),Or.extend(t,e,r),O.setGet(t,e,["flatIdToPointId","flatIdToCellId","flatSize","indexCount"]),UD(t,e)}var $D=O.newInstance(Zh),zD={newInstance:$D,extend:Zh,...da},{BufferUsage:Wt}=da,{vtkErrorMacro:WD}=ke,{VtkDataTypes:_n}=j,AD={};function qf(t){let e;switch(t.getDataType()){case _n.UNSIGNED_CHAR:e="uint8";break;case _n.FLOAT:e="float32";break;case _n.UNSIGNED_INT:e="uint32";break;case _n.INT:e="sint32";break;case _n.DOUBLE:e="float32";break;case _n.UNSIGNED_SHORT:e="uint16";break;case _n.SHORT:e="sin16";break;default:e="float32";break}switch(t.getNumberOfComponents()){case 2:e+="x2";break;case 3:e.includes("32")||WD(`unsupported x3 type for ${e}`),e+="x3";break;case 4:e+="x4";break;default:break}return e}function Zf(t,e,r,n,a){const i={},s=t.getFlatSize();if(!s)return i;let o=[0,0,0,0];a.shift&&(a.shift.length?o=a.shift:o.fill(a.shift));let c=[1,1,1,1];a.scale&&(a.scale.length?c=a.scale:c.fill(a.scale));const 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Int8Array(t.getNumberOfCells()*4),i=n.length;let s=0;for(let o=0;o<i;){const c=ID(r,n[o+1],n[o+2],n[o+3]);a[s++]=127*c[0],a[s++]=127*c[1],a[s++]=127*c[2],a[s++]=127,o+=n[o]+1}return a}function jD(t,e){e.classHierarchy.push("vtkWebGPUBufferManager");function r(n){n.dataArray&&!n.nativeArray&&(n.nativeArray=n.dataArray.getData());let a,i;if(n.usage===Wt.Index&&(a=zD.newInstance({label:n.label}),a.setDevice(e.device),i=GPUBufferUsage.INDEX|GPUBufferUsage.COPY_DST,a.buildIndexBuffer(n),a.createAndWrite(n.nativeArray,i),a.setArrayInformation([{format:n.format}])),a||(a=Or.newInstance({label:n.label}),a.setDevice(e.device)),n.usage===Wt.UniformArray&&(i=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,a.createAndWrite(n.nativeArray,i)),n.usage===Wt.Storage&&(i=GPUBufferUsage.STORAGE|GPUBufferUsage.COPY_DST,a.createAndWrite(n.nativeArray,i)),n.usage===Wt.Texture&&(i=GPUBufferUsage.COPY_SRC,a.createAndWrite(n.nativeArray,i)),n.usage===Wt.PointArray){i=GPUBufferUsage.VERTEX;const 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n.usage===Wt.RawVertex&&(i=GPUBufferUsage.VERTEX,a.createAndWrite(n.nativeArray,i),a.setStrideInBytes($e.getByteStrideFromBufferFormat(n.format)),a.setArrayInformation([{offset:0,format:n.format,interpolation:n.interpolation}])),a.setSourceTime(n.time),a}t.hasBuffer=n=>e.device.hasCachedObject(n),t.getBuffer=n=>n.hash?e.device.getCachedObject(n.hash,r,n):r(n),t.getBufferForPointArray=(n,a)=>{const i=qf(n),s={hash:`${n.getMTime()}I${a.getMTime()}${i}`,usage:Wt.PointArray,format:i,dataArray:n,indexBuffer:a};return t.getBuffer(s)},t.getBufferForCellArray=(n,a,i=0)=>{const s=qf(n),o={hash:`cell${n.getMTime()}I${a.getMTime()}O${i}${s}`,usage:Wt.PointArray,format:s,dataArray:n,indexBuffer:a,cellData:!0,cellOffset:i};return t.getBuffer(o)},t.getFullScreenQuadBuffer=()=>{if(e.fullScreenQuadBuffer)return e.fullScreenQuadBuffer;e.fullScreenQuadBuffer=Or.newInstance(),e.fullScreenQuadBuffer.setDevice(e.device);const n=new Float32Array([-1,-1,0,1,-1,0,1,1,0,-1,-1,0,1,1,0,-1,1,0]);return e.fullScreenQuadBuffer.createAndWrite(n,GPUBufferUsage.VERTEX),e.fullScreenQuadBuffer.setStrideInBytes(12),e.fullScreenQuadBuffer.setArrayInformation([{offset:0,format:"float32x3"}]),e.fullScreenQuadBuffer}}var PD={device:null,fullScreenQuadBuffer:null};function Qh(t,e,r={}){Object.assign(e,PD,r),ye(t,e),Ce(t,e,["device"]),jD(t,e)}var KD=ce(Qh),ss={newInstance:KD,extend:Qh,...AD,...da},{BufferUsage:XD}=ss,{vtkErrorMacro:Ns}=O;function YD(t,e){e.classHierarchy.push("vtkWebGPUUniformBuffer");function r(n){if(e.UBO)return;t.sortBufferEntries(),t.createView("Float32Array");const a={nativeArray:e.Float32Array,usage:XD.UniformArray,label:e.label};e.UBO=n.getBufferManager().getBuffer(a),e.bindGroupTime.modified(),e.sendDirty=!1}t.addEntry=(n,a)=>{if(e._bufferEntryNames.has(n)){Ns(`entry named ${n} already 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o=e.bufferEntries[s];if(!o.packed&&o.sizeInBytes%8===0)for(let c=s+1;c<e.bufferEntries.length;c++){const f=e.bufferEntries[c];if(!f.packed&&f.sizeInBytes%8===0){o.packed=!0,o.offset=n,a.push(o),n+=o.sizeInBytes,f.packed=!0,f.offset=n,a.push(f),n+=f.sizeInBytes;break}}}for(let s=0;s<e.bufferEntries.length;s++){const o=e.bufferEntries[s];if(!o.packed&&o.sizeInBytes%8===0){let c=!1;for(let f=0;!c&&f<e.bufferEntries.length;f++){const g=e.bufferEntries[f];if(!g.packed&&g.sizeInBytes===4)for(let u=f+1;u<e.bufferEntries.length;u++){const l=e.bufferEntries[u];if(!l.packed&&l.sizeInBytes===4){o.packed=!0,o.offset=n,a.push(o),n+=o.sizeInBytes,g.packed=!0,g.offset=n,a.push(g),n+=g.sizeInBytes,l.packed=!0,l.offset=n,a.push(l),n+=l.sizeInBytes,c=!0;break}}}}}for(let s=0;s<e.bufferEntries.length;s++){const o=e.bufferEntries[s];!o.packed&&o.sizeInBytes>4&&(o.packed=!0,o.offset=n,a.push(o),n+=o.sizeInBytes)}for(let s=0;s<e.bufferEntries.length;s++){const o=e.bufferEntries[s];o.packed||(o.packed=!0,o.offset=n,a.push(o),n+=o.sizeInBytes)}e.bufferEntries=a,e._bufferEntryNames.clear();for(let s=0;s<e.bufferEntries.length;s++)e._bufferEntryNames.set(e.bufferEntries[s].name,s);e.sizeInBytes=n,e.sizeInBytes=i*Math.ceil(e.sizeInBytes/i),e.sortDirty=!1},t.sendIfNeeded=n=>{e.device=n,r(n),e.sendDirty&&(n.getHandle().queue.writeBuffer(e.UBO.getHandle(),0,e.arrayBuffer,0,e.sizeInBytes),e.sendDirty=!1),e.sendTime.modified()},t.createView=n=>{n in e||(e.arrayBuffer||(e.arrayBuffer=new ArrayBuffer(e.sizeInBytes)),e[n]=O.newTypedArray(n,e.arrayBuffer))},t.setValue=(n,a)=>{t.sortBufferEntries();const i=e._bufferEntryNames.get(n);if(i===void 0){Ns(`entry named ${n} not found in UBO`);return}const s=e.bufferEntries[i];t.createView(s.nativeType);const o=e[s.nativeType];s.lastValue!==a&&(o[s.offset/o.BYTES_PER_ELEMENT]=a,e.sendDirty=!0),s.lastValue=a},t.setArray=(n,a)=>{t.sortBufferEntries();const i=e._bufferEntryNames.get(n);if(i===void 0){Ns(`entry named 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-@binding(${n}) @group(${a}) var<storage, read> ${e.label}: ${e.label}Struct;
-`),i.join(`
-`)},t.getBindGroupEntry=()=>(!e._buffer&&e.device&&r(e.device),{resource:{buffer:e._buffer.getHandle()}}),t.clearData=()=>{e.numberOfInstances=0,e.sizeInBytes=0,e.bufferEntries=[],e._bufferEntryNames=new Map,e._buffer=null,delete e.arrayBuffer,delete e.Float32Array},t.releaseGraphicsResources=()=>{e._buffer=null,e.bindGroupTime.modified()}}var eV={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,numberOfInstances:1};function t0(t,e,r={}){Object.assign(e,eV,r),O.obj(t,e),e._bufferEntryNames=new Map,e.bufferEntries=[],e._sendTime={},O.obj(e._sendTime,{mtime:0}),e.bindGroupTime={},O.obj(e.bindGroupTime,{mtime:0}),e.bindGroupLayoutEntry=e.bindGroupLayoutEntry||{buffer:{type:"read-only-storage"}},O.get(t,e,["bindGroupTime"]),O.setGet(t,e,["device","bindGroupLayoutEntry","label","numberOfInstances","sizeInBytes"]),JD(t,e)}var tV=O.newInstance(t0,"vtkWebGPUStorageBuffer"),Qf={newInstance:tV,extend:t0};function nV(t,e){for(let r=0;r<6;r++)t.addEntry(`${e}${r}`,"vec4<f32>")}function rV(t,e,r){const n=t.getClippingPlanes().length;for(let a=0;a<n;a++)t.getClippingPlaneInCoords(e,a,r[a]);return n}var aV=`
-//VTK::Renderer::Dec
-
-//VTK::Mapper::Dec
-
-//VTK::TCoord::Dec
-
-//VTK::Volume::TraverseDec
-
-//VTK::RenderEncoder::Dec
-
-//VTK::IOStructs::Dec
-
-fn getTextureValue(vTex: texture_3d<f32>, tpos: vec4<f32>) -> f32
-{
-  // todo multicomponent support
-  return textureSampleLevel(vTex, clampSampler, tpos.xyz, 0.0).r;
-}
-
-fn intersectRayBoundsWithClipPlanes(vNum: i32, minPosSC: vec4<f32>, rayStepSC: vec4<f32>, rayBounds: vec2<f32>) -> vec2<f32>
-{
-  var result: vec2<f32> = rayBounds;
-  let clipCount: i32 = i32(volumeSSBO.values[vNum].clipPlaneStates.x);
-  if (clipCount <= 0)
-  {
-    return result;
-  }
-
-  ${Array.from({length:6},(t,e)=>`
-  if (clipCount > ${e})
-  {
-    let clipPlane${e}: vec4<f32> = volumeSSBO.values[vNum].clipPlane${e};
-    let rayDirRatio${e}: f32 = dot(rayStepSC, clipPlane${e});
-    let equationResult${e}: f32 = dot(minPosSC, clipPlane${e});
-
-    let absRayDirRatio${e}: f32 = abs(rayDirRatio${e});
-    if (absRayDirRatio${e} > 1e-6)
-    {
-      let intersection${e}: f32 = -equationResult${e} / rayDirRatio${e};
-      result.x = select(result.x, max(result.x, intersection${e}), rayDirRatio${e} > 0.0);
-      result.y = select(result.y, min(result.y, intersection${e}), rayDirRatio${e} < 0.0);
-    }
-    else if (equationResult${e} < 0.0)
-    {
-      result.x = result.y;
-    }
-
-    if (result.x >= result.y)
-    {
-      return result;
-    }
-  }`).join(`
-`)}
-
-  return result;
-}
-
-fn getGradient(vTex: texture_3d<f32>, tpos: vec4<f32>, vNum: i32, scalar: f32) -> vec4<f32>
-{
-  var result: vec4<f32>;
-
-  var tstep: vec4<f32> = volumeSSBO.values[vNum].tstep;
-  result.x = getTextureValue(vTex, tpos + vec4<f32>(tstep.x, 0.0, 0.0, 1.0)) - scalar;
-  result.y = getTextureValue(vTex, tpos + vec4<f32>(0.0, tstep.y, 0.0, 1.0)) - scalar;
-  result.z = getTextureValue(vTex, tpos + vec4<f32>(0.0, 0.0, tstep.z, 1.0)) - scalar;
-  result.w = 0.0;
-
-  // divide by spacing as that is our delta
-  result = result / volumeSSBO.values[vNum].spacing;
-  // now we have a gradient in unit tcoords
-
-  var grad: f32 = length(result.xyz);
-  if (grad > 0.0)
-  {
-    // rotate to View Coords, needed for lighting and shading
-    var nMat: mat4x4<f32> = rendererUBO.SCVCMatrix * volumeSSBO.values[vNum].planeNormals;
-    result = nMat * result;
-    result = result / length(result);
-  }
-
-  // store gradient magnitude in .w
-  result.w = grad;
-
-  return result;
-}
-
-fn processVolume(vTex: texture_3d<f32>, vNum: i32, cNum: i32, posSC: vec4<f32>, tfunRows: f32) -> vec4<f32>
-{
-  var outColor: vec4<f32> = vec4<f32>(0.0, 0.0, 0.0, 0.0);
-
-  // convert to tcoords and reject if outside the volume
-  var tpos: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*posSC;
-  if (tpos.x < 0.0 || tpos.y < 0.0 || tpos.z < 0.0 ||
-      tpos.x > 1.0 || tpos.y > 1.0 || tpos.z > 1.0) { return outColor; }
-
-  var scalar: f32 = getTextureValue(vTex, tpos);
-
-  var coord: vec2<f32> =
-    vec2<f32>(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,
-      (0.5 + 2.0 * f32(vNum)) / tfunRows);
-  var color: vec4<f32> = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);
-
-  var gofactor: f32 = 1.0;
-  var normal: vec4<f32> = vec4<f32>(0.0,0.0,0.0,0.0);
-  if (componentSSBO.values[cNum].gomin <  1.0 || volumeSSBO.values[vNum].shade[0] > 0.0)
-  {
-    normal = getGradient(vTex, tpos, vNum, scalar);
-    if (componentSSBO.values[cNum].gomin <  1.0)
-    {
-      gofactor = clamp(normal.a*componentSSBO.values[cNum].goScale + componentSSBO.values[cNum].goShift,
-      componentSSBO.values[cNum].gomin, componentSSBO.values[cNum].gomax);
-    }
-  }
-
-  coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);
-  var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;
-
-  if (volumeSSBO.values[vNum].shade[0] > 0.0)
-  {
-    color = color*abs(normal.z);
-  }
-
-  outColor = vec4<f32>(color.rgb, gofactor * opacity);
-
-  return outColor;
-}
-
-// adjust the start and end point of a raycast such that it intersects the unit cube.
-// This function is used to take a raycast starting point and step vector
-// and numSteps and return the startijng and ending steps for intersecting the
-// unit cube. Recall for a 3D texture, the unit cube is the range of texture coordsinates
-// that have valid values. So this funtion can be used to take a ray in texture coordinates
-// and bound it to intersecting the texture.
-//
-fn adjustBounds(tpos: vec4<f32>, tstep: vec4<f32>, numSteps: f32) -> vec2<f32>
-{
-  var result: vec2<f32> = vec2<f32>(0.0, numSteps);
-  var tpos2: vec4<f32> = tpos + tstep*numSteps;
-
-  // move tpos to the start of the volume
-  var adjust: f32 =
-    min(
-      max(tpos.x/tstep.x, (tpos.x - 1.0)/tstep.x),
-      min(
-        max((tpos.y - 1.0)/tstep.y, tpos.y/tstep.y),
-        max((tpos.z - 1.0)/tstep.z, tpos.z/tstep.z)));
-  if (adjust < 0.0)
-  {
-    result.x = result.x - adjust;
-  }
-
-  // adjust length to the end
-  adjust =
-    max(
-      min(tpos2.x/tstep.x, (tpos2.x - 1.0)/tstep.x),
-      max(
-        min((tpos2.y - 1.0)/tstep.y, tpos2.y/tstep.y),
-        min((tpos2.z - 1.0)/tstep.z, tpos2.z/tstep.z)));
-  if (adjust > 0.0)
-  {
-    result.y = result.y - adjust;
-  }
-
-  return result;
-}
-
-fn getSimpleColor(scalar: f32, vNum: i32, cNum: i32) -> vec4<f32>
-{
-  // how many rows (tfuns) do we have in our tfunTexture
-  var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);
-
-  var coord: vec2<f32> =
-    vec2<f32>(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,
-      (0.5 + 2.0 * f32(vNum)) / tfunRows);
-  var color: vec4<f32> = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);
-  coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);
-  var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;
-  return vec4<f32>(color.rgb, opacity);
-}
-
-fn traverseMax(vTex: texture_3d<f32>, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4<f32>, rayStepSC: vec4<f32>)
-{
-  // convert to tcoords and reject if outside the volume
-  var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;
-  var tpos: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;
-  var tpos2: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);
-  var tstep: vec4<f32> = tpos2 - tpos;
-
-  var rayBounds: vec2<f32> = intersectRayBoundsWithClipPlanes(
-    vNum,
-    minPosSC,
-    rayStepSC,
-    adjustBounds(tpos, tstep, numSteps));
-
-  // did we hit anything
-  if (rayBounds.x >= rayBounds.y)
-  {
-    traverseVals[vNum] = vec4<f32>(0.0,0.0,0.0,0.0);
-    return;
-  }
-
-  tpos = tpos + tstep*rayBounds.x;
-  var curDist: f32 = rayBounds.x;
-  var maxVal: f32 = -1.0e37;
-  loop
-  {
-    var scalar: f32 = getTextureValue(vTex, tpos);
-    if (scalar > maxVal)
-    {
-      maxVal = scalar;
-    }
-
-    // increment position
-    curDist = curDist + 1.0;
-    tpos = tpos + tstep;
-
-    // check if we have reached a terminating condition
-    if (curDist > rayBounds.y) { break; }
-  }
-
-  // process to get the color and opacity
-  traverseVals[vNum] = getSimpleColor(maxVal, vNum, cNum);
-}
-
-fn traverseMin(vTex: texture_3d<f32>, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4<f32>, rayStepSC: vec4<f32>)
-{
-  // convert to tcoords and reject if outside the volume
-  var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;
-  var tpos: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;
-  var tpos2: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);
-  var tstep: vec4<f32> = tpos2 - tpos;
-
-  var rayBounds: vec2<f32> = intersectRayBoundsWithClipPlanes(
-    vNum,
-    minPosSC,
-    rayStepSC,
-    adjustBounds(tpos, tstep, numSteps));
-
-  // did we hit anything
-  if (rayBounds.x >= rayBounds.y)
-  {
-    traverseVals[vNum] = vec4<f32>(0.0,0.0,0.0,0.0);
-    return;
-  }
-
-  tpos = tpos + tstep*rayBounds.x;
-  var curDist: f32 = rayBounds.x;
-  var minVal: f32 = 1.0e37;
-  loop
-  {
-    var scalar: f32 = getTextureValue(vTex, tpos);
-    if (scalar < minVal)
-    {
-      minVal = scalar;
-    }
-
-    // increment position
-    curDist = curDist + 1.0;
-    tpos = tpos + tstep;
-
-    // check if we have reached a terminating condition
-    if (curDist > rayBounds.y) { break; }
-  }
-
-  // process to get the color and opacity
-  traverseVals[vNum] = getSimpleColor(minVal, vNum, cNum);
-}
-
-fn traverseAverage(vTex: texture_3d<f32>, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4<f32>, rayStepSC: vec4<f32>)
-{
-  // convert to tcoords and reject if outside the volume
-  var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;
-  var tpos: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;
-  var tpos2: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);
-  var tstep: vec4<f32> = tpos2 - tpos;
-
-  var rayBounds: vec2<f32> = intersectRayBoundsWithClipPlanes(
-    vNum,
-    minPosSC,
-    rayStepSC,
-    adjustBounds(tpos, tstep, numSteps));
-
-  // did we hit anything
-  if (rayBounds.x >= rayBounds.y)
-  {
-    traverseVals[vNum] = vec4<f32>(0.0,0.0,0.0,0.0);
-    return;
-  }
-
-  let ipRange: vec4<f32> = volumeSSBO.values[vNum].ipScalarRange;
-  tpos = tpos + tstep*rayBounds.x;
-  var curDist: f32 = rayBounds.x;
-  var avgVal: f32 = 0.0;
-  var sampleCount: f32 = 0.0;
-  loop
-  {
-    var sample: f32 = getTextureValue(vTex, tpos);
-    // right now leave filtering off until WebGL changes get merged
-    // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)
-    // {
-      avgVal = avgVal + sample;
-      sampleCount = sampleCount + 1.0;
-    // }
-
-    // increment position
-    curDist = curDist + 1.0;
-    tpos = tpos + tstep;
-
-    // check if we have reached a terminating condition
-    if (curDist > rayBounds.y) { break; }
-  }
-
-  if (sampleCount <= 0.0)
-  {
-    traverseVals[vNum] = vec4<f32>(0.0,0.0,0.0,0.0);
-    return;
-  }
-
-  // process to get the color and opacity
-  traverseVals[vNum] = getSimpleColor(avgVal/sampleCount, vNum, cNum);
-}
-
-fn traverseAdditive(vTex: texture_3d<f32>, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4<f32>, rayStepSC: vec4<f32>)
-{
-  // convert to tcoords and reject if outside the volume
-  var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;
-  var tpos: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;
-  var tpos2: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);
-  var tstep: vec4<f32> = tpos2 - tpos;
-
-  var rayBounds: vec2<f32> = intersectRayBoundsWithClipPlanes(
-    vNum,
-    minPosSC,
-    rayStepSC,
-    adjustBounds(tpos, tstep, numSteps));
-
-  // did we hit anything
-  if (rayBounds.x >= rayBounds.y)
-  {
-    traverseVals[vNum] = vec4<f32>(0.0,0.0,0.0,0.0);
-    return;
-  }
-
-  let ipRange: vec4<f32> = volumeSSBO.values[vNum].ipScalarRange;
-  tpos = tpos + tstep*rayBounds.x;
-  var curDist: f32 = rayBounds.x;
-  var sumVal: f32 = 0.0;
-  loop
-  {
-    var sample: f32 = getTextureValue(vTex, tpos);
-    // right now leave filtering off until WebGL changes get merged
-    // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)
-    // {
-      sumVal = sumVal + sample;
-    // }
-    // increment position
-    curDist = curDist + 1.0;
-    tpos = tpos + tstep;
-
-    // check if we have reached a terminating condition
-    if (curDist > rayBounds.y) { break; }
-  }
-
-  // process to get the color and opacity
-  traverseVals[vNum] = getSimpleColor(sumVal, vNum, cNum);
-}
-
-fn composite(rayLengthSC: f32, minPosSC: vec4<f32>, rayStepSC: vec4<f32>) -> vec4<f32>
-{
-  // initial ray position is at the beginning
-  var rayPosSC: vec4<f32> = minPosSC;
-
-  // how many rows (tfuns) do we have in our tfunTexture
-  var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);
-
-  var curDist: f32 = 0.0;
-  var computedColor: vec4<f32> = vec4<f32>(0.0, 0.0, 0.0, 0.0);
-  var sampleColor: vec4<f32>;
-  var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;
-//VTK::Volume::TraverseCalls
-//VTK::Volume::TraverseInit
-
-  loop
-  {
-    // for each volume, sample and accumulate color
-//VTK::Volume::CompositeCalls
-
-    // increment position
-    curDist = curDist + mapperUBO.SampleDistance;
-    rayPosSC = rayPosSC + rayStepSC;
-
-    // check if we have reached a terminating condition
-    if (curDist > rayLengthSC) { break; }
-    if (computedColor.a > 0.98) { break; }
-  }
-  return computedColor;
-}
-
-@fragment
-fn main(
-//VTK::IOStructs::Input
-)
-//VTK::IOStructs::Output
-{
-  var output: fragmentOutput;
-
-  var rayMax: f32 = textureSampleLevel(maxTexture, clampSampler, input.tcoordVS, 0.0).r;
-  var rayMin: f32 = textureSampleLevel(minTexture, clampSampler, input.tcoordVS, 0.0).r;
-
-  // discard empty rays
-  if (rayMax <= rayMin) { discard; }
-  else
-  {
-    // compute start and end ray positions in view coordinates
-    var minPosSC: vec4<f32> = rendererUBO.PCSCMatrix*vec4<f32>(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMax, 1.0);
-    minPosSC = minPosSC * (1.0 / minPosSC.w);
-    var maxPosSC: vec4<f32> = rendererUBO.PCSCMatrix*vec4<f32>(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMin, 1.0);
-    maxPosSC = maxPosSC * (1.0 / maxPosSC.w);
-
-    var rayLengthSC: f32 = distance(minPosSC.xyz, maxPosSC.xyz);
-    var rayStepSC: vec4<f32> = (maxPosSC - minPosSC)*(mapperUBO.SampleDistance/rayLengthSC);
-    rayStepSC.w = 0.0;
-
-    var computedColor: vec4<f32>;
-
-//VTK::Volume::Loop
-
-//VTK::RenderEncoder::Impl
-  }
-
-  return output;
-}
-`,Ie=new Float64Array(16),Rt=new Float64Array(16);function iV(t,e){e.classHierarchy.push("vtkWebGPUVolumePassFSQ"),t.replaceShaderPosition=(a,i,s)=>{const o=i.getShaderDescription("vertex");o.addBuiltinOutput("vec4<f32>","@builtin(position) Position");let c=o.getCode();c=pe.substitute(c,"//VTK::Position::Impl",["output.tcoordVS = vec2<f32>(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4<f32>(vertexBC, 1.0);"]).result,o.setCode(c),i.getShaderDescription("fragment").addBuiltinInput("vec4<f32>","@builtin(position) fragPos")},e.shaderReplacements.set("replaceShaderPosition",t.replaceShaderPosition),t.replaceShaderVolume=(a,i,s)=>{const o=i.getShaderDescription("fragment");let c=o.getCode();const f=[],g=[],u=[];for(let p=0;p<e.volumes.length;p++)e.volumes[p].getRenderable().getMapper().getBlendMode()===_t.COMPOSITE_BLEND?(g.push(`  var tpos${p}: vec4<f32> = volumeSSBO.values[${p}].SCTCMatrix*minPosSC;`),g.push(`  var tpos2_${p}: vec4<f32> = volumeSSBO.values[${p}].SCTCMatrix*(minPosSC + rayStepSC);`),g.push(`  var tstep${p}: vec4<f32> = tpos2_${p} - tpos${p};`),g.push(`  var rayBounds${p}: vec2<f32> = intersectRayBoundsWithClipPlanes(${p}, minPosSC, rayStepSC, adjustBounds(tpos${p}, tstep${p}, numSteps));`),f.push(`    if (curDist >= rayBounds${p}.x * mapperUBO.SampleDistance && curDist <= rayBounds${p}.y * mapperUBO.SampleDistance) {`),f.push(`      sampleColor = processVolume(volTexture${p}, ${p}, ${e.rowStarts[p]}, rayPosSC, tfunRows);`),f.push(`    computedColor = vec4<f32>(
-          sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,
-          (1.0 - computedColor.a)*sampleColor.a + computedColor.a);`),f.push("    }")):(u.push(`  sampleColor = traverseVals[${p}];`),u.push(`  computedColor = vec4<f32>(
-          sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,
-          (1.0 - computedColor.a)*sampleColor.a + computedColor.a);`));c=pe.substitute(c,"//VTK::Volume::CompositeCalls",f).result,c=pe.substitute(c,"//VTK::Volume::TraverseCalls",u).result,c=pe.substitute(c,"//VTK::Volume::TraverseInit",g).result,c=pe.substitute(c,"//VTK::Volume::TraverseDec",[`var<private> traverseVals: array<vec4<f32>,${e.volumes.length}>;`]).result;let l=!1;for(let p=0;p<e.volumes.length;p++){const h=e.volumes[p].getRenderable().getMapper().getBlendMode();h===_t.COMPOSITE_BLEND?l=!0:h===_t.MAXIMUM_INTENSITY_BLEND?c=pe.substitute(c,"//VTK::Volume::Loop",[`    traverseMax(volTexture${p}, ${p}, ${p}, rayLengthSC, minPosSC, rayStepSC);`,`    computedColor = traverseVals[${p}];`,"//VTK::Volume::Loop"]).result:h===_t.MINIMUM_INTENSITY_BLEND?c=pe.substitute(c,"//VTK::Volume::Loop",[`    traverseMin(volTexture${p}, ${p}, ${p}, rayLengthSC, minPosSC, rayStepSC);`,`    computedColor = traverseVals[${p}];`,"//VTK::Volume::Loop"]).result:h===_t.AVERAGE_INTENSITY_BLEND?c=pe.substitute(c,"//VTK::Volume::Loop",[`    traverseAverage(volTexture${p}, ${p}, ${p}, rayLengthSC, minPosSC, rayStepSC);`,`    computedColor = traverseVals[${p}];`,"//VTK::Volume::Loop"]).result:h===_t.ADDITIVE_INTENSITY_BLEND&&(c=pe.substitute(c,"//VTK::Volume::Loop",[`    traverseAdditive(volTexture${p}, ${p}, ${p}, rayLengthSC, minPosSC, rayStepSC);`,`    computedColor = traverseVals[${p}];`,"//VTK::Volume::Loop"]).result)}l&&(c=pe.substitute(c,"//VTK::Volume::Loop",["    computedColor = composite(rayLengthSC, minPosSC, rayStepSC);"]).result),o.setCode(c)},e.shaderReplacements.set("replaceShaderVolume",t.replaceShaderVolume),t.updateLUTImage=a=>{let i=t.getMTime();for(let u=0;u<e.volumes.length;u++){const l=e.volumes[u].getRenderable(),p=l.getMapper().getInputData();i=Math.max(i,l.getMTime(),p.getMTime())}if(i<e.lutBuildTime.getMTime())return;e.numRows=0,e.rowStarts=[];for(let u=0;u<e.volumes.length;u++){e.rowStarts.push(e.numRows);const l=e.volumes[u].getRenderable(),p=l.getMapper(),h=l.getProperty(),v=p.getInputData(),y=(v.getPointData()&&v.getPointData().getScalars()).getNumberOfComponents(),T=h.getIndependentComponents()?y:1;e.numRows+=T}const s=new Uint8ClampedArray(e.numRows*2*e.rowLength*4),o=new Float32Array(e.numRows*2*e.rowLength);let c=0;const f=new Float32Array(e.rowLength*3),g=e.rowLength;for(let u=0;u<e.volumes.length;u++){const l=e.volumes[u].getRenderable(),p=l.getMapper(),h=l.getProperty(),v=p.getInputData(),y=(v.getPointData()&&v.getPointData().getScalars()).getNumberOfComponents(),T=h.getIndependentComponents()?y:1;for(let C=0;C<T;++C){const d=h.getRGBTransferFunction(C),x=d.getRange();d.getTable(x[0],x[1],g,f,1);let w=c*g*4;for(let R=0;R<g;++R){s[w+R*4]=255*f[R*3],s[w+R*4+1]=255*f[R*3+1],s[w+R*4+2]=255*f[R*3+2],s[w+R*4+3]=255;for(let L=0;L<4;L++)s[w+(g+R)*4+L]=s[w+R*4+L]}const S=h.getScalarOpacity(C),M=e.sampleDist/h.getScalarOpacityUnitDistance(C),E=S.getRange();S.getTable(E[0],E[1],g,f,1),w=c*g;for(let R=0;R<g;++R)o[w+R]=1-(1-f[R])**M,o[w+R+g]=o[w+R];c+=2}}{const u={nativeArray:s,width:e.rowLength,height:e.numRows*2,depth:1,format:"rgba8unorm"},l=a.getTextureManager().getTexture(u).createView("tfunTexture");e.textureViews[2]=l}{const u={nativeArray:o,width:e.rowLength,height:e.numRows*2,depth:1,format:"r16float"},l=a.getTextureManager().getTexture(u).createView("ofunTexture");e.textureViews[3]=l}e.lutBuildTime.modified()},t.updateSSBO=a=>{let i=Math.max(t.getMTime(),e.WebGPURenderer.getStabilizedTime());for(let E=0;E<e.volumes.length;E++){const R=e.volumes[E].getRenderable(),L=R.getMapper(),D=L.getInputData();i=Math.max(i,R.getMTime(),D.getMTime(),L.getMTime(),L.getClippingPlanesMTime())}if(i<e.SSBO.getSendTime())return;const s=e.WebGPURenderer.getStabilizedCenterByReference();e.SSBO.clearData(),e.SSBO.setNumberOfInstances(e.volumes.length);const o=new Float64Array(e.volumes.length*16),c=new Float64Array(e.volumes.length*16),f=Array.from({length:6},()=>new Float64Array(e.volumes.length*4)),g=new Float64Array(e.volumes.length*4),u=new Float64Array(e.volumes.length*4),l=new Float64Array(e.volumes.length*4),p=new Float64Array(e.volumes.length*4),h=new Float64Array(e.volumes.length*4);for(let E=0;E<e.volumes.length;E++){const R=e.volumes[E].getRenderable(),L=R.getMapper(),D=L.getInputData();K(Ie),_e(Ie,Ie,s);const m=R.getMatrix();ue(Rt,m),Ne(Rt,Rt),X(Ie,Rt,Ie);const F=D.getWorldToIndex();X(Ie,F,Ie);const V=D.getDimensions();K(Rt),Qt(Rt,Rt,[1/V[0],1/V[1],1/V[2]]),X(Ie,Rt,Ie);for(let _=0;_<16;_++)o[E*16+_]=Ie[_];Ne(Ie,Ie);for(let _=0;_<4;_++)c[E*16+_*4]=Ie[_*4],c[E*16+_*4+1]=Ie[_*4+1],c[E*16+_*4+2]=Ie[_*4+2],c[E*16+_*4+3]=0;u[E*4]=1/V[0],u[E*4+1]=1/V[1],u[E*4+2]=1/V[2],u[E*4+3]=1,l[E*4]=R.getProperty().getShade()?1:0;const N=D.getSpacing();p[E*4]=N[0],p[E*4+1]=N[1],p[E*4+2]=N[2],p[E*4+3]=1;const B=e.textureViews[E+4].getTexture().getScale(),G=R.getProperty().getIpScalarRange();h[E*4]=G[0]/B,h[E*4+1]=G[1]/B,h[E*4+2]=R.getProperty().getFilterMode(),Ui(Rt,[-s[0],-s[1],-s[2]]);const U=rV(L,Rt,e.clipPlanes);g[E*4]=U;for(let _=0;_<U;_++){const b=E*4;f[_][b]=e.clipPlanes[_][0],f[_][b+1]=e.clipPlanes[_][1],f[_][b+2]=e.clipPlanes[_][2],f[_][b+3]=e.clipPlanes[_][3]}}e.SSBO.addEntry("SCTCMatrix","mat4x4<f32>"),e.SSBO.addEntry("planeNormals","mat4x4<f32>"),e.SSBO.addEntry("shade","vec4<f32>"),e.SSBO.addEntry("tstep","vec4<f32>"),e.SSBO.addEntry("spacing","vec4<f32>"),e.SSBO.addEntry("ipScalarRange","vec4<f32>"),nV(e.SSBO,"clipPlane"),e.SSBO.addEntry("clipPlaneStates","vec4<f32>"),e.SSBO.setAllInstancesFromArray("SCTCMatrix",o),e.SSBO.setAllInstancesFromArray("planeNormals",c),e.SSBO.setAllInstancesFromArray("shade",l),e.SSBO.setAllInstancesFromArray("tstep",u),e.SSBO.setAllInstancesFromArray("spacing",p),e.SSBO.setAllInstancesFromArray("ipScalarRange",h);for(let E=0;E<6;E++)e.SSBO.setAllInstancesFromArray(`clipPlane${E}`,f[E]);e.SSBO.setAllInstancesFromArray("clipPlaneStates",g),e.SSBO.send(a),e.componentSSBO.clearData(),e.componentSSBO.setNumberOfInstances(e.numRows);const v=new Float64Array(e.numRows),y=new Float64Array(e.numRows),T=new Float64Array(e.numRows),C=new Float64Array(e.numRows),d=new Float64Array(e.numRows),x=new Float64Array(e.numRows),w=new Float64Array(e.numRows),S=new Float64Array(e.numRows);let M=0;for(let E=0;E<e.volumes.length;E++){const R=e.volumes[E].getRenderable(),L=R.getMapper(),D=R.getProperty(),m=L.getInputData(),F=(m.getPointData()&&m.getPointData().getScalars()).getNumberOfComponents(),V=D.getIndependentComponents(),N=e.textureViews[E+4].getTexture().getFormat(),B=$e.getDetailsFromTextureFormat(N),G=B.elementSize===2&&B.sampleType==="float",U={scale:[255],offset:[0]};G&&(U.scale[0]=1);for(let _=0;_<F;_++){const b=V?_:0,$=U.scale[_],W=D.getScalarOpacity(b).getRange(),z=$/(W[1]-W[0]);C[M]=(U.offset[_]-W[0])/(W[1]-W[0]),T[M]=z;const ae=D.getRGBTransferFunction(b).getRange();if(y[M]=(U.offset[_]-ae[0])/(ae[1]-ae[0]),v[M]=$/(ae[1]-ae[0]),D.getUseGradientOpacity(b)){const ee=D.getGradientOpacityMinimumOpacity(b),q=D.getGradientOpacityMaximumOpacity(b);d[M]=ee,x[M]=q;const oe=[D.getGradientOpacityMinimumValue(b),D.getGradientOpacityMaximumValue(b)];S[M]=$*(q-ee)/(oe[1]-oe[0]),w[M]=-oe[0]*(q-ee)/(oe[1]-oe[0])+ee}else d[M]=1,x[M]=1,S[M]=0,w[M]=1;M++}}e.componentSSBO.addEntry("cScale","f32"),e.componentSSBO.addEntry("cShift","f32"),e.componentSSBO.addEntry("oScale","f32"),e.componentSSBO.addEntry("oShift","f32"),e.componentSSBO.addEntry("goShift","f32"),e.componentSSBO.addEntry("goScale","f32"),e.componentSSBO.addEntry("gomin","f32"),e.componentSSBO.addEntry("gomax","f32"),e.componentSSBO.setAllInstancesFromArray("cScale",v),e.componentSSBO.setAllInstancesFromArray("cShift",y),e.componentSSBO.setAllInstancesFromArray("oScale",T),e.componentSSBO.setAllInstancesFromArray("oShift",C),e.componentSSBO.setAllInstancesFromArray("goScale",S),e.componentSSBO.setAllInstancesFromArray("goShift",w),e.componentSSBO.setAllInstancesFromArray("gomin",d),e.componentSSBO.setAllInstancesFromArray("gomax",x),e.componentSSBO.send(a)};const r=t.updateBuffers;t.updateBuffers=()=>{r();let a=e.volumes[0].getRenderable().getMapper().getSampleDistance();for(let i=0;i<e.volumes.length;i++){const s=e.volumes[i].getRenderable().getMapper().getSampleDistance();s<a&&(a=s)}e.sampleDist!==a&&(e.sampleDist=a,e.UBO.setValue("SampleDistance",a),e.UBO.sendIfNeeded(e.device));for(let i=0;i<e.volumes.length;i++){const s=e.volumes[i].getRenderable().getMapper().getInputData(),o=e.device.getTextureManager().getTextureForImageData(s);if(!e.textureViews[i+4]||e.textureViews[i+4].getTexture()!==o){const c=o.createView(`volTexture${i}`);e.textureViews[i+4]=c}}if(e.volumes.length<e.lastVolumeLength)for(let i=e.volumes.length;i<e.lastVolumeLength;i++)e.textureViews.pop();e.lastVolumeLength=e.volumes.length,t.updateLUTImage(e.device),t.updateSSBO(e.device),e.clampSampler||(e.clampSampler=yc.newInstance({label:"clampSampler"}),e.clampSampler.create(e.device,{minFilter:"linear",magFilter:"linear"}))},t.computePipelineHash=()=>{e.pipelineHash="volfsq";for(let a=0;a<e.volumes.length;a++){const i=e.volumes[a].getRenderable().getMapper().getBlendMode();e.pipelineHash+=`${i}`}},t.setVolumes=a=>{if(!e.volumes||e.volumes.length!==a.length){e.volumes=[...a],t.modified();return}for(let i=0;i<a.length;i++)if(a[i]!==e.volumes[i]){e.volumes=[...a],t.modified();return}};const n=t.getBindables;t.getBindables=()=>{const a=n();return a.push(e.componentSSBO),a.push(e.clampSampler),a}}var sV={volumes:null,rowLength:1024,lastVolumeLength:0};function n0(t,e,r={}){Object.assign(e,sV,r),is.extend(t,e,r),e.fragmentShaderTemplate=aV,e.UBO=e0.newInstance({label:"mapperUBO"}),e.UBO.addEntry("SampleDistance","f32"),e.SSBO=Qf.newInstance({label:"volumeSSBO"}),e.componentSSBO=Qf.newInstance({label:"componentSSBO"}),e.lutBuildTime={},O.obj(e.lutBuildTime,{mtime:0}),e.clipPlanes=Array.from({length:6},()=>[0,0,0,0]),iV(t,e)}var oV=O.newInstance(n0,"vtkWebGPUVolumePassFSQ"),cV={newInstance:oV,extend:n0},{Representation:fV}=tn,{BufferUsage:Jf,PrimitiveTypes:uV}=ss,Bs=[[0,4,6],[0,6,2],[1,3,7],[1,7,5],[0,5,4],[0,1,5],[2,6,7],[2,7,3],[0,3,1],[0,2,3],[4,5,7],[4,7,6]],gV=`
-//VTK::Renderer::Dec
-
-//VTK::Select::Dec
-
-//VTK::VolumePass::Dec
-
-//VTK::TCoord::Dec
-
-//VTK::RenderEncoder::Dec
-
-//VTK::Mapper::Dec
-
-//VTK::IOStructs::Dec
-
-@fragment
-fn main(
-//VTK::IOStructs::Input
-)
-//VTK::IOStructs::Output
-{
-  var output : fragmentOutput;
-
-  //VTK::Select::Impl
-
-  //VTK::TCoord::Impl
-
-  //VTK::VolumePass::Impl
-
-  // use the maximum (closest) of the current value and the zbuffer
-  // the blend func will then take the min to find the farthest stop value
-  var stopval: f32 = max(input.fragPos.z, textureLoad(opaquePassDepthTexture, vec2<i32>(i32(input.fragPos.x), i32(input.fragPos.y)), 0));
-
-  //VTK::RenderEncoder::Impl
-  return output;
-}
-`,lV=`
-//VTK::Renderer::Dec
-
-//VTK::Mapper::Dec
-
-//VTK::TCoord::Dec
-
-//VTK::RenderEncoder::Dec
-
-//VTK::IOStructs::Dec
-
-@fragment
-fn main(
-//VTK::IOStructs::Input
-)
-//VTK::IOStructs::Output
-{
-  var output: fragmentOutput;
-
-  var computedColor: vec4<f32> = textureSample(volumePassColorTexture,
-    volumePassColorTextureSampler, mapperUBO.tscale*input.tcoordVS);
-
-  //VTK::RenderEncoder::Impl
-  return output;
-}
-`;function pV(t,e){e.classHierarchy.push("vtkWebGPUVolumePass"),t.initialize=r=>{e._clearEncoder||t.createClearEncoder(r),e._mergeEncoder||t.createMergeEncoder(r),e._copyEncoder||t.createCopyEncoder(r),e._depthRangeEncoder||t.createDepthRangeEncoder(r),e.fullScreenQuad||(e.fullScreenQuad=cV.newInstance(),e.fullScreenQuad.setDevice(r.getDevice()),e.fullScreenQuad.setTextureViews([...e._depthRangeEncoder.getColorTextureViews()])),e._volumeCopyQuad||(e._volumeCopyQuad=is.newInstance(),e._volumeCopyQuad.setPipelineHash("volpassfsq"),e._volumeCopyQuad.setDevice(r.getDevice()),e._volumeCopyQuad.setFragmentShaderTemplate(lV),e._copyUBO=e0.newInstance({label:"mapperUBO"}),e._copyUBO.addEntry("tscale","vec2<f32>"),e._volumeCopyQuad.setUBO(e._copyUBO),e._volumeCopyQuad.setTextureViews([e._colorTextureView]))},t.traverse=(r,n)=>{if(e.deleted)return;e._currentParent=n,t.initialize(n),t.computeTiming(n),t.renderDepthBounds(r,n),e._firstGroup=!0;const a=n.getDevice(),i=a.getHandle().limits.maxSampledTexturesPerShaderStage-4;if(e.volumes.length>i){const s=r.getRenderable().getActiveCamera().getPosition(),o=[];for(let u=0;u<e.volumes.length;u++){const l=e.volumes[u].getRenderable().getBounds(),p=[.5*(l[1]+l[0]),.5*(l[3]+l[2]),.5*(l[5]+l[4])];o[u]=Xe(p,s)}const c=[...Array(e.volumes.length).keys()];c.sort((u,l)=>o[l]-o[u]);let f=[],g=c.length%i;for(let u=0;u<c.length;u++)f.push(e.volumes[c[u]]),f.length>=g&&(t.rayCastPass(n,r,f),f=[],g=i,e._firstGroup=!1)}else t.rayCastPass(n,r,e.volumes);if(e._volumeCopyQuad.setWebGPURenderer(r),e._useSmallViewport){const s=e._colorTextureView.getTexture().getWidth(),o=e._colorTextureView.getTexture().getHeight();e._copyUBO.setArray("tscale",[e._smallViewportWidth/s,e._smallViewportHeight/o])}else e._copyUBO.setArray("tscale",[1,1]);e._copyUBO.sendIfNeeded(a),e._copyEncoder.setColorTextureView(0,e.colorTextureView),e._copyEncoder.attachTextureViews(),e._copyEncoder.begin(n.getCommandEncoder()),r.scissorAndViewport(e._copyEncoder),e._volumeCopyQuad.prepareAndDraw(e._copyEncoder),e._copyEncoder.end()},t.delete=O.chain(()=>{e._animationRateSubscription&&(e._animationRateSubscription.unsubscribe(),e._animationRateSubscription=null)},t.delete),t.computeTiming=r=>{const n=r.getRenderable().getInteractor();e._lastScale==null&&(e._lastScale=e.volumes[0].getRenderable().getMapper().getInitialInteractionScale()||1),e._useSmallViewport=!1,n.isAnimating()&&e._lastScale>1.5&&(e._useSmallViewport=!0),e._colorTexture.resize(r.getCanvas().width,r.getCanvas().height),e._animationRateSubscription||(e._animationRateSubscription=n.onAnimationFrameRateUpdate(()=>{const a=e.volumes[0].getRenderable().getMapper();if(a.getAutoAdjustSampleDistances()){const i=n.getRecentAnimationFrameRate();e._lastScale=e._lastScale*n.getDesiredUpdateRate()/i,e._lastScale>400&&(e._lastScale=400)}else e._lastScale=a.getImageSampleDistance()*a.getImageSampleDistance();e._lastScale<1.5&&(e._lastScale=1.5)}))},t.rayCastPass=(r,n,a)=>{const i=e._firstGroup?e._clearEncoder:e._mergeEncoder;i.attachTextureViews(),i.begin(r.getCommandEncoder());let s=e._colorTextureView.getTexture().getWidth(),o=e._colorTextureView.getTexture().getHeight();if(e._useSmallViewport){const c=r.getCanvas(),f=1/Math.sqrt(e._lastScale);e._smallViewportWidth=Math.ceil(f*c.width),e._smallViewportHeight=Math.ceil(f*c.height),s=e._smallViewportWidth,o=e._smallViewportHeight}i.getHandle().setViewport(0,0,s,o,0,1),i.getHandle().setScissorRect(0,0,s,o),e.fullScreenQuad.setWebGPURenderer(n),e.fullScreenQuad.setVolumes(a),e.fullScreenQuad.prepareAndDraw(i),i.end()},t.renderDepthBounds=(r,n)=>{t.updateDepthPolyData(r);const a=e._boundsPoly,i=a.getPoints(),s=a.getPolys();let o={hash:`vp${s.getMTime()}`,usage:Jf.Index,cells:s,numberOfPoints:i.getNumberOfPoints(),primitiveType:uV.Triangles,representation:fV.SURFACE};const c=n.getDevice().getBufferManager().getBuffer(o);e._mapper.getVertexInput().setIndexBuffer(c),o={usage:Jf.PointArray,format:"float32x4",hash:`vp${i.getMTime()}${s.getMTime()}`,dataArray:i,indexBuffer:c,packExtra:!0};const f=n.getDevice().getBufferManager().getBuffer(o);e._mapper.getVertexInput().addBuffer(f,["vertexBC"]),e._mapper.setNumberOfVertices(f.getSizeInBytes()/f.getStrideInBytes()),t.drawDepthRange(r,n)},t.updateDepthPolyData=r=>{let n=!1;for(let g=0;g<e.volumes.length;g++){const u=e.volumes[g].getMTime();(!e._lastMTimes[g]||u!==e._lastMTimes[g])&&(n=!0,e._lastMTimes[g]=u)}const a=r.getStabilizedTime();if((e._lastMTimes.length<=e.volumes.length||a!==e._lastMTimes[e.volumes.length])&&(n=!0,e._lastMTimes[e.volumes.length]=a),!n)return;const i=r.getStabilizedCenterByReference(),s=e.volumes.length*8,o=new Float64Array(s*3),c=e.volumes.length*12,f=new Uint16Array(c*4);for(let g=0;g<e.volumes.length;g++){e.volumes[g].getBoundingCubePoints(o,g*24);let u=g*12*4;const l=g*8;for(let p=0;p<12;p++)f[u++]=3,f[u++]=l+Bs[p][0],f[u++]=l+Bs[p][1],f[u++]=l+Bs[p][2]}for(let g=0;g<o.length;g+=3)o[g]-=i[0],o[g+1]-=i[1],o[g+2]-=i[2];e._boundsPoly.getPoints().setData(o,3),e._boundsPoly.getPoints().modified(),e._boundsPoly.getPolys().setData(f,1),e._boundsPoly.getPolys().modified(),e._boundsPoly.modified()},t.drawDepthRange=(r,n)=>{e._depthRangeTexture.resizeToMatch(e.colorTextureView.getTexture()),e._depthRangeTexture2.resizeToMatch(e.colorTextureView.getTexture()),e._depthRangeEncoder.attachTextureViews(),t.setCurrentOperation("volumeDepthRangePass"),r.setRenderEncoder(e._depthRangeEncoder),r.volumeDepthRangePass(!0),e._mapper.setWebGPURenderer(r),e._mapper.prepareToDraw(e._depthRangeEncoder),e._mapper.registerDrawCallback(e._depthRangeEncoder),r.volumeDepthRangePass(!1)},t.createDepthRangeEncoder=r=>{const n=r.getDevice();e._depthRangeEncoder=Yt.newInstance({label:"VolumePass DepthRange"}),e._depthRangeEncoder.setPipelineHash("volr"),e._depthRangeEncoder.setReplaceShaderCodeFunction(s=>{const o=s.getShaderDescription("fragment");o.addOutput("vec4<f32>","outColor1"),o.addOutput("vec4<f32>","outColor2");let c=o.getCode();c=pe.substitute(c,"//VTK::RenderEncoder::Impl",["output.outColor1 = vec4<f32>(input.fragPos.z, 0.0, 0.0, 0.0);","output.outColor2 = vec4<f32>(stopval, 0.0, 0.0, 0.0);"]).result,o.setCode(c)}),e._depthRangeEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:null,clearValue:[1,1,1,1],loadOp:"clear",storeOp:"store"}]}),e._depthRangeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"max"},alpha:{srcFactor:"one",dstFactor:"one",operation:"max"}}},{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"min"},alpha:{srcFactor:"one",dstFactor:"one",operation:"min"}}}]}}),e._depthRangeTexture=Gt.newInstance({label:"volumePassMaxDepth"}),e._depthRangeTexture.create(n,{width:r.getCanvas().width,height:r.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const a=e._depthRangeTexture.createView("maxTexture");e._depthRangeEncoder.setColorTextureView(0,a),e._depthRangeTexture2=Gt.newInstance({label:"volumePassDepthMin"}),e._depthRangeTexture2.create(n,{width:r.getCanvas().width,height:r.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const i=e._depthRangeTexture2.createView("minTexture");e._depthRangeEncoder.setColorTextureView(1,i),e._mapper.setDevice(r.getDevice()),e._mapper.setTextureViews([e.depthTextureView])},t.createClearEncoder=r=>{e._colorTexture=Gt.newInstance({label:"volumePassColor"}),e._colorTexture.create(r.getDevice(),{width:r.getCanvas().width,height:r.getCanvas().height,format:"bgra8unorm",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC}),e._colorTextureView=e._colorTexture.createView("volumePassColorTexture"),e._colorTextureView.addSampler(r.getDevice(),{minFilter:"linear",magFilter:"linear"}),e._clearEncoder=Yt.newInstance({label:"VolumePass Clear"}),e._clearEncoder.setColorTextureView(0,e._colorTextureView),e._clearEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"}]}),e._clearEncoder.setPipelineHash("volpf"),e._clearEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcFactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},t.createCopyEncoder=r=>{e._copyEncoder=Yt.newInstance({label:"volumePassCopy"}),e._copyEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),e._copyEncoder.setPipelineHash("volcopypf"),e._copyEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one-minus-src-alpha"},alpha:{srcFactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},t.createMergeEncoder=r=>{e._mergeEncoder=Yt.newInstance({label:"volumePassMerge"}),e._mergeEncoder.setColorTextureView(0,e._colorTextureView),e._mergeEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),e._mergeEncoder.setReplaceShaderCodeFunction(n=>{const a=n.getShaderDescription("fragment");a.addOutput("vec4<f32>","outColor");let i=a.getCode();i=pe.substitute(i,"//VTK::RenderEncoder::Impl",["output.outColor = vec4<f32>(computedColor.rgb, computedColor.a);"]).result,a.setCode(i)}),e._mergeEncoder.setPipelineHash("volpf"),e._mergeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcFactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},t.setVolumes=r=>{if(!e.volumes||e.volumes.length!==r.length){e.volumes=[...r],t.modified();return}for(let n=0;n<r.length;n++)if(r[n]!==e.volumes[n]){e.volumes=[...r],t.modified();return}},t.releaseGraphicsResources=()=>{e._animationRateSubscription&&(e._animationRateSubscription.unsubscribe(),e._animationRateSubscription=null),e._clearEncoder=null,e._mergeEncoder=null,e._copyEncoder=null,e._depthRangeEncoder=null,e._colorTexture=null,e._colorTextureView=null,e._depthRangeTexture=null,e._depthRangeTexture2=null,e._volumeCopyQuad=null,e.fullScreenQuad=null,e._copyUBO=null,e.colorTextureView=null,e.depthTextureView=null}}var hV={colorTextureView:null,depthTextureView:null,volumes:null};function r0(t,e,r={}){Object.assign(e,hV,r),nn.extend(t,e,r),e._mapper=Wh.newInstance(),e._mapper.setFragmentShaderTemplate(gV),e._mapper.getShaderReplacements().set("replaceShaderVolumePass",(n,a,i)=>{a.getShaderDescription("fragment").addBuiltinInput("vec4<f32>","@builtin(position) fragPos")}),e._boundsPoly=ze.newInstance(),e._lastMTimes=[],O.setGet(t,e,["colorTextureView","depthTextureView"]),pV(t,e)}var vV=O.newInstance(r0,"vtkWebGPUVolumePass"),TV={newInstance:vV,extend:r0},yV=`
-//VTK::Mapper::Dec
-
-//VTK::TCoord::Dec
-
-//VTK::RenderEncoder::Dec
-
-//VTK::IOStructs::Dec
-
-@fragment
-fn main(
-//VTK::IOStructs::Input
-)
-//VTK::IOStructs::Output
-{
-  var output: fragmentOutput;
-
-  var texCoord: vec2<i32> =
-    vec2<i32>(i32(input.fragPos.x), i32(input.fragPos.y));
-  var computedColor: vec4<f32> = clamp(
-    textureLoad(opaquePassColorTexture, texCoord, 0),
-    vec4<f32>(0.0),
-    vec4<f32>(1.0)
-  );
-
-  //VTK::RenderEncoder::Impl
-  return output;
-}
-`;function dV(t,e){e.classHierarchy.push("vtkForwardPass"),t.traverse=(r,n=null)=>{if(e.deleted)return;e._currentParent=n,t.setCurrentOperation("buildPass"),r.traverse(t),e.opaquePass||(e.opaquePass=SD.newInstance());const a=r.getRenderable().getNumberOfLayers(),i=r.getChildren();for(let s=0;s<a;s++)for(let o=0;o<i.length;o++){const c=i[o],f=r.getRenderable().getRenderers()[o];f.getDraw()&&f.getLayer()===s&&(e.opaqueActorCount=0,e.translucentActorCount=0,e.volumes=[],t.setCurrentOperation("queryPass"),c.traverse(t),t.setCurrentOperation("cameraPass"),c.traverse(t),e.opaquePass.traverse(c,r),e.translucentActorCount>0&&(e.translucentPass||(e.translucentPass=MD.newInstance()),e.translucentPass.setColorTextureView(e.opaquePass.getColorTextureView()),e.translucentPass.setDepthTextureView(e.opaquePass.getDepthTextureView()),e.translucentPass.traverse(c,r)),e.volumes.length>0&&(e.volumePass||(e.volumePass=TV.newInstance()),e.volumePass.setColorTextureView(e.opaquePass.getColorTextureView()),e.volumePass.setDepthTextureView(e.opaquePass.getDepthTextureView()),e.volumePass.setVolumes(e.volumes),e.volumePass.traverse(c,r)),t.finalPass(r,c))}},t.finalPass=(r,n)=>{e._finalBlitEncoder||t.createFinalBlitEncoder(r),e._finalBlitOutputTextureView.createFromTextureHandle(r.getCurrentTexture(),{depth:1,format:r.getPresentationFormat()}),e._finalBlitEncoder.attachTextureViews(),e._finalBlitEncoder.begin(r.getCommandEncoder()),n.scissorAndViewport(e._finalBlitEncoder),e._fullScreenQuad.prepareAndDraw(e._finalBlitEncoder),e._finalBlitEncoder.end()},t.createFinalBlitEncoder=r=>{e._finalBlitEncoder=Yt.newInstance({label:"forwardPassBlit"}),e._finalBlitEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),e._finalBlitEncoder.setPipelineHash("fpf"),e._finalBlitEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:r.getPresentationFormat(),blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcFactor:"one",dstFactor:"one-minus-src-alpha"}}}]}}),e._fsqSampler=yc.newInstance({label:"finalPassSampler"}),e._fsqSampler.create(r.getDevice(),{minFilter:"linear",magFilter:"linear"}),e._fullScreenQuad=is.newInstance(),e._fullScreenQuad.setDevice(r.getDevice()),e._fullScreenQuad.setPipelineHash("fpfsq"),e._fullScreenQuad.setTextureViews([e.opaquePass.getColorTextureView()]),e._fullScreenQuad.setAdditionalBindables([e._fsqSampler]),e._fullScreenQuad.setFragmentShaderTemplate(yV),e._fullScreenQuad.getShaderReplacements().set("replaceShaderTCoord",(n,a)=>{const i=a.getShaderDescription("vertex");i.hasOutput("tcoordVS")||i.addOutput("vec2<f32>","tcoordVS"),a.getShaderDescription("fragment").addBuiltinInput("vec4<f32>","@builtin(position) fragPos")}),e._finalBlitOutputTextureView=Ph.newInstance(),e._finalBlitEncoder.setColorTextureView(0,e._finalBlitOutputTextureView)},t.incrementOpaqueActorCount=()=>e.opaqueActorCount++,t.incrementTranslucentActorCount=()=>e.translucentActorCount++,t.addVolume=r=>{e.volumes.push(r)},t.releaseGraphicsResources=()=>{e.opaquePass?.releaseGraphicsResources?.(),e.translucentPass?.releaseGraphicsResources?.(),e.volumePass?.releaseGraphicsResources?.(),e.opaquePass=null,e.translucentPass=null,e.volumePass=null,e._finalBlitEncoder=null,e._finalBlitOutputTextureView=null,e._fullScreenQuad=null,e._fsqSampler=null}}var CV={opaqueActorCount:0,translucentActorCount:0,volumes:null,opaqueRenderEncoder:null,translucentPass:null,volumePass:null};function a0(t,e,r={}){Object.assign(e,CV,r),nn.extend(t,e,r),O.setGet(t,e,["opaquePass","translucentPass","volumePass"]),dV(t,e)}var xV=O.newInstance(a0,"vtkForwardPass"),SV={newInstance:xV,extend:a0},{VtkDataTypes:Nn}=j;function wV(t,e){e.classHierarchy.push("vtkWebGPUTextureManager");function r(a){if(a.imageData){a.dataArray=a.imageData.getPointData().getScalars(),a.time=a.dataArray.getMTime(),a.nativeArray=a.dataArray.getData();const i=a.imageData.getDimensions();switch(a.width=i[0],a.height=i[1],a.depth=i[2],a.dataArray.getNumberOfComponents()){case 1:a.format="r";break;case 2:a.format="rg";break;default:a.format="rgba";break}switch(a.dataArray.getDataType()){case Nn.UNSIGNED_CHAR:a.format+="8unorm";break;case Nn.FLOAT:case Nn.UNSIGNED_INT:case Nn.INT:case Nn.DOUBLE:case Nn.UNSIGNED_SHORT:case Nn.SHORT:default:a.format+="16float";break}}a.image&&(a.width=a.image.width,a.height=a.image.height,a.depth=1,a.format="rgba8unorm",a.flip=!0,a.usage=GPUTextureUsage.STORAGE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.RENDER_ATTACHMENT),a.jsImageData&&(a.width=a.jsImageData.width,a.height=a.jsImageData.height,a.depth=1,a.format="rgba8unorm",a.flip=!0,a.nativeArray=a.jsImageData.data,a.usage=GPUTextureUsage.STORAGE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.RENDER_ATTACHMENT),a.imageBitmap&&(a.width=a.imageBitmap.width,a.height=a.imageBitmap.height,a.depth=1,a.format="rgba8unorm",a.flip=!0,a.usage=GPUTextureUsage.STORAGE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.RENDER_ATTACHMENT),a.canvas&&(a.width=a.canvas.width,a.height=a.canvas.height,a.depth=1,a.format="rgba8unorm",a.flip=!0,a.usage=GPUTextureUsage.STORAGE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.RENDER_ATTACHMENT)}function n(a){const i=Gt.newInstance({label:a.label});return i.create(e.device,{width:a.width,height:a.height,depth:a.depth,format:a.format,usage:a.usage,mipLevel:a.mipLevel}),(a.nativeArray||a.image||a.canvas||a.imageBitmap)&&i.writeImageData(a),i}t.getTexture=a=>a.hash?e.device.getCachedObject(a.hash,n,a):n(a),t.getTextureForImageData=a=>{const i={time:a.getMTime()};return i.imageData=a,r(i),i.hash=i.time+i.format+i.mipLevel,e.device.getTextureManager().getTexture(i)},t.getTextureForVTKTexture=(a,i=void 0)=>{const s={time:a.getMTime(),label:i};return a.getInputData()?s.imageData=a.getInputData():a.getImage()?s.image=a.getImage():a.getJsImageData()?s.jsImageData=a.getJsImageData():a.getImageBitmap()?s.imageBitmap=a.getImageBitmap():a.getCanvas()&&(s.canvas=a.getCanvas()),r(s),s.mipLevel=a.getMipLevel(),s.hash=s.time+s.format+s.mipLevel,e.device.getTextureManager().getTexture(s)}}var OV={handle:null,device:null};function i0(t,e,r={}){Object.assign(e,OV,r),O.obj(t,e),O.setGet(t,e,["device"]),wV(t,e)}var EV=O.newInstance(i0),RV={newInstance:EV,extend:i0},MV=class extends Map{constructor(){super(),this.registry=new FinalizationRegistry(t=>{const e=super.get(t);e&&e.deref&&e.deref()===void 0&&super.delete(t)})}getValue(t){const e=super.get(t);if(e){const r=e.deref();if(r!==void 0)return r;super.delete(t)}}setValue(t,e){let r;return e&&typeof e=="object"&&(r=new WeakRef(e),this.registry.register(e,t),super.set(t,r)),r}};function mV(t,e){e.classHierarchy.push("vtkWebGPUDevice"),t.initialize=r=>{e.handle=r},t.createCommandEncoder=()=>e.handle.createCommandEncoder(),t.submitCommandEncoder=r=>{e.handle.queue.submit([r.finish()])},t.getShaderModule=r=>e.shaderCache.getShaderModule(r),t.getBindGroupLayout=r=>{if(!r.entries)return null;for(let i=0;i<r.entries.length;i++){const s=r.entries[i];s.binding=s.binding||0,s.visibility=s.visibility||GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT}const n=JSON.stringify(r);for(let i=0;i<e.bindGroupLayouts.length;i++)if(e.bindGroupLayouts[i].sval===n)return e.bindGroupLayouts[i].layout;const a=e.handle.createBindGroupLayout(r);return e.bindGroupLayouts.push({sval:n,layout:a}),a},t.getBindGroupLayoutDescription=r=>{for(let n=0;n<e.bindGroupLayouts.length;n++)if(e.bindGroupLayouts[n].layout===r)return e.bindGroupLayouts[n].sval;return vtkErrorMacro("layout not found"),console.trace(),null},t.getPipeline=r=>r in e.pipelines?e.pipelines[r]:null,t.createPipeline=(r,n)=>{n.initialize(t,r),e.pipelines[r]=n},t.onSubmittedWorkDone=()=>e.handle.queue.onSubmittedWorkDone(),t.hasCachedObject=r=>e.objectCache.getValue(r),t.getCachedObject=(r,n,...a)=>{if(!r)return vtkErrorMacro("attempt to cache an object without a hash"),null;const i=e.objectCache.getValue(r);if(i)return i;const s=n(...a);return e.objectCache.setValue(r,s),s}}var DV={handle:null,pipelines:null,shaderCache:null,bindGroupLayouts:null,bufferManager:null,textureManager:null};function s0(t,e,r={}){Object.assign(e,DV,r),ye(t,e),Ce(t,e,["handle"]),We(t,e,["bufferManager","shaderCache","textureManager"]),e.objectCache=new MV,e.shaderCache=pe.newInstance(),e.shaderCache.setDevice(t),e.bindGroupLayouts=[],e.bufferManager=ss.newInstance(),e.bufferManager.setDevice(t),e.textureManager=RV.newInstance(),e.textureManager.setDevice(t),e.pipelines={},mV(t,e)}var VV=ce(s0,"vtkWebGPUDevice"),LV={newInstance:VV,extend:s0};function FV(t,e){e.classHierarchy.push("vtkWebGPUHardwareSelectionPass"),t.traverse=(r,n)=>{if(e.deleted)return;e._currentParent=null,t.setCurrentOperation("buildPass"),r.traverse(t);const a=r.getDevice();if(e.selectionRenderEncoder)e.colorTexture.resize(r.getCanvas().width,r.getCanvas().height),e.depthTexture.resizeToMatch(e.colorTexture);else{t.createRenderEncoder(),e.colorTexture=Gt.newInstance({label:"hardwareSelectorColor"}),e.colorTexture.create(a,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba32uint",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const i=e.colorTexture.createView("hardwareSelectColorTexture");e.selectionRenderEncoder.setColorTextureView(0,i),e.depthTexture=Gt.newInstance({label:"hardwareSelectorDepth"}),e.depthTexture.create(a,{width:r.getCanvas().width,height:r.getCanvas().height,format:"depth32float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const s=e.depthTexture.createView("hardwareSelectDepthTexture");e.selectionRenderEncoder.setDepthTextureView(s)}e.selectionRenderEncoder.attachTextureViews(),n.setRenderEncoder(e.selectionRenderEncoder),t.setCurrentOperation("cameraPass"),n.traverse(t),t.setCurrentOperation("opaquePass"),n.traverse(t)},t.createRenderEncoder=()=>{e.selectionRenderEncoder=Yt.newInstance({label:"HardwareSelectionPass"}),e.selectionRenderEncoder.setPipelineHash("sel"),e.selectionRenderEncoder.setReplaceShaderCodeFunction(n=>{const a=n.getShaderDescription("fragment");a.addOutput("vec4<u32>","outColor");let i=a.getCode();i=pe.substitute(i,"//VTK::Select::Impl",["  var compositeID: u32 = 0u;","  var attributeID: u32 = compositeID;"]).result,i=pe.substitute(i,"//VTK::RenderEncoder::Impl",["output.outColor = vec4<u32>(mapperUBO.PropID, compositeID, attributeID + 1u, 0u);"]).result,a.setCode(i)});const r=e.selectionRenderEncoder.getDescription();r.colorAttachments[0].clearValue=[0,0,0,0],e.selectionRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba32uint",blend:void 0}]}})}}var _V={selectionRenderEncoder:null,colorTexture:null,depthTexture:null};function o0(t,e,r={}){Object.assign(e,_V,r),nn.extend(t,e,r),O.get(t,e,["colorTexture","depthTexture"]),FV(t,e)}var NV=O.newInstance(o0,"vtkWebGPUHardwareSelectionPass"),BV={newInstance:NV,extend:o0},{SelectionContent:kV,SelectionField:eu}=ts,{FieldAssociations:tu}=Jn,{vtkErrorMacro:c0}=O;function GV(t){return`${t.propID} ${t.compositeID}`}function ks(t,e,r,n){const a=((r.height-e-1)*r.colorBufferWidth+t)*4+n;return r.colorValues[a]}function ir(t,e,r,n){const a=r<0?0:r;if(a===0){if(n[0]=e[0],n[1]=e[1],e[0]<0||e[0]>=t.width||e[1]<0||e[1]>=t.height)return null;const c=ks(e[0],e[1],t,0);if(c<=0||c-1>=(t.props?.length??0))return null;const f={};f.propID=c-1,f.prop=t.props?.[f.propID];let g=ks(e[0],e[1],t,1);(g<0||g>16777215)&&(g=0),f.compositeID=g-1;let u=ks(e[0],e[1],t,2);if(u<1&&(u=g),f.attributeID=u-1,t.captureZValues){const l=(t.height-e[1]-1)*t.zbufferBufferWidth+e[0];f.zValue=t.depthValues[l],f.zValue=t.webGPURenderer.convertToOpenGLDepth(f.zValue),f.displayPosition=e}return f}const i=[e[0],e[1]],s=[0,0];let o=ir(t,e,0,n);if(o)return o;for(let c=1;c<a;++c){for(let f=i[1]>c?i[1]-c:0;f<=i[1]+c;++f)if(s[1]=f,i[0]>=c&&(s[0]=i[0]-c,o=ir(t,s,0,n),o)||(s[0]=i[0]+c,o=ir(t,s,0,n),o))return o;for(let f=i[0]>=c?i[0]-(c-1):0;f<=i[0]+(c-1);++f)if(s[0]=f,i[1]>=c&&(s[1]=i[1]-c,o=ir(t,s,0,n),o)||(s[1]=i[1]+c,o=ir(t,s,0,n),o))return o}return n[0]=e[0],n[1]=e[1],null}function UV(t,e,r){const n=[];let a=0;return e.forEach((i,s)=>{const o=ts.newInstance();switch(o.setContentType(kV.INDICES),t){case tu.FIELD_ASSOCIATION_CELLS:o.setFieldType(eu.CELL);break;case tu.FIELD_ASSOCIATION_POINTS:o.setFieldType(eu.POINT);break;default:c0("Unknown field association")}o.getProperties().propID=i.info.propID,o.getProperties().prop=i.info.prop,o.getProperties().compositeID=i.info.compositeID,o.getProperties().attributeID=i.info.attributeID,o.getProperties().pixelCount=i.pixelCount,r.captureZValues&&(o.getProperties().displayPosition=[i.info.displayPosition[0],i.info.displayPosition[1],i.info.zValue],o.getProperties().worldPosition=r.webGPURenderWindow.displayToWorld(i.info.displayPosition[0],i.info.displayPosition[1],i.info.zValue,r.renderer)),o.setSelectionList(i.attributeIDs),n[a]=o,a++}),n}function bV(t,e,r,n,a){const i=Math.floor(e),s=Math.floor(r),o=Math.floor(n),c=Math.floor(a),f=new Map,g=[0,0];for(let u=s;u<=c;u++)for(let l=i;l<=o;l++){const p=ir(t,[l,u],0,g);if(p){const h=GV(p);if(!f.has(h))f.set(h,{info:p,pixelCount:1,attributeIDs:[p.attributeID]});else{const v=f.get(h);v.pixelCount++,t.captureZValues&&p.zValue<v.info.zValue&&(v.info=p),v.attributeIDs.indexOf(p.attributeID)===-1&&v.attributeIDs.push(p.attributeID)}}}return UV(t.fieldAssociation,f,t)}function $V(t,e){e.classHierarchy.push("vtkWebGPUHardwareSelector"),t.getPropIDForSelection=(r,n=null)=>{if(e._selectionPropMap.has(r))return e._selectionPropMap.get(r);const a=e._selectionProps.length;return e._selectionPropMap.set(r,a),e._selectionProps.push(n),a},t.endSelection=()=>{e.WebGPURenderer.setSelector(null)},t.getSourceDataAsync=async r=>{if(!r||!e._WebGPURenderWindow)return c0("Renderer and view must be set before calling Select."),!1;e._WebGPURenderWindow.getRenderable().preRender(),e._WebGPURenderWindow.getInitialized()||(e._WebGPURenderWindow.initialize(),await new Promise(h=>{e._WebGPURenderWindow.onInitialized(h)}));const n=e._WebGPURenderWindow.getViewNodeFor(r);if(!n)return!1;const a=n.getSuppressClear(),i=n.getSelector();e._selectionPropMap.clear(),e._selectionProps=[],n.setSuppressClear(!0),n.setSelector(t);try{e._selectionPass.traverse(e._WebGPURenderWindow,n)}finally{n.setSelector(i),n.setSuppressClear(a)}const s=e._WebGPURenderWindow.getDevice(),o=e._selectionPass.getColorTexture(),c=e._selectionPass.getDepthTexture(),f={area:[0,0,o.getWidth()-1,o.getHeight()-1],captureZValues:e.captureZValues,fieldAssociation:e.fieldAssociation,props:[...e._selectionProps],renderer:r,webGPURenderer:n,webGPURenderWindow:e._WebGPURenderWindow,width:o.getWidth(),height:o.getHeight()};f.colorBufferWidth=16*Math.floor((f.width+15)/16),f.colorBufferSizeInBytes=f.colorBufferWidth*f.height*4*4;const g=Or.newInstance({label:"hardwareSelectColorBuffer"});g.setDevice(s),g.create(f.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const u=e._WebGPURenderWindow.getCommandEncoder();u.copyTextureToBuffer({texture:o.getHandle()},{buffer:g.getHandle(),bytesPerRow:16*f.colorBufferWidth,rowsPerImage:f.height},{width:f.width,height:f.height,depthOrArrayLayers:1});let l;e.captureZValues&&(f.zbufferBufferWidth=64*Math.floor((f.width+63)/64),l=Or.newInstance({label:"hardwareSelectDepthBuffer"}),l.setDevice(s),f.zbufferSizeInBytes=f.height*f.zbufferBufferWidth*4,l.create(f.zbufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST),u.copyTextureToBuffer({texture:c.getHandle(),aspect:"depth-only"},{buffer:l.getHandle(),bytesPerRow:4*f.zbufferBufferWidth,rowsPerImage:f.height},{width:f.width,height:f.height,depthOrArrayLayers:1})),s.submitCommandEncoder(u);const p=g.mapAsync(GPUMapMode.READ);if(e.captureZValues){const h=l.mapAsync(GPUMapMode.READ);await Promise.all([p,h]),f.depthValues=new Float32Array(l.getMappedRange().slice()),l.unmap()}else await p;return f.colorValues=new 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R=0;if(R=(h-v)/(y-v),R<d?R=.5*R/d:R=.5+.5*(R-d)/(1-d),x>.99)if(R<.5){i[E]=T[0],i[E+1]=T[1],i[E+2]=T[2];continue}else{i[E]=C[0],i[E+1]=C[1],i[E+2]=C[2];continue}if(x<.01){if(e.colorSpace===it.RGB)i[E]=(1-R)*T[0]+R*C[0],i[E+1]=(1-R)*T[1]+R*C[1],i[E+2]=(1-R)*T[2]+R*C[2];else if(e.colorSpace===it.HSV){const U=[],_=[];br(T,U),br(C,_),e.hSVWrap&&(U[0]-_[0]>.5||_[0]-U[0]>.5)&&(U[0]>_[0]?U[0]-=1:_[0]-=1);const b=[];b[0]=(1-R)*U[0]+R*_[0],b[0]<0&&(b[0]+=1),b[1]=(1-R)*U[1]+R*_[1],b[2]=(1-R)*U[2]+R*_[2],bn(b,w),i[E]=w[0],i[E+1]=w[1],i[E+2]=w[2]}else if(e.colorSpace===it.LAB){const U=[],_=[];An(T,U),An(C,_);const b=[];b[0]=(1-R)*U[0]+R*_[0],b[1]=(1-R)*U[1]+R*_[1],b[2]=(1-R)*U[2]+R*_[2],Si(b,w),i[E]=w[0],i[E+1]=w[1],i[E+2]=w[2]}else e.colorSpace===it.DIVERGING?(su(R,T,C,w),i[E]=w[0],i[E+1]=w[1],i[E+2]=w[2]):At("ColorSpace set to invalid value.",e.colorSpace);continue}R<.5?R=.5*(R*2)**(1+10*x):R>.5&&(R=1-.5*((1-R)*2)**(1+10*x));const L=R*R,D=L*R,m=2*D-3*L+1,F=-2*D+3*L,V=D-2*L+R,N=D-L;let B,G;if(e.colorSpace===it.RGB)for(let U=0;U<3;U++)B=C[U]-T[U],G=(1-x)*B,i[E+U]=m*T[U]+F*C[U]+V*G+N*G;else if(e.colorSpace===it.HSV){const U=[],_=[];br(T,U),br(C,_),e.hSVWrap&&(U[0]-_[0]>.5||_[0]-U[0]>.5)&&(U[0]>_[0]?U[0]-=1:_[0]-=1);const b=[];for(let $=0;$<3;$++)B=_[$]-U[$],G=(1-x)*B,b[$]=m*U[$]+F*_[$]+V*G+N*G,$===0&&b[$]<0&&(b[$]+=1);bn(b,w),i[E]=w[0],i[E+1]=w[1],i[E+2]=w[2]}else if(e.colorSpace===it.LAB){const U=[],_=[];An(T,U),An(C,_);const b=[];for(let $=0;$<3;$++)B=_[$]-U[$],G=(1-x)*B,b[$]=m*U[$]+F*_[$]+V*G+N*G;Si(b,w),i[E]=w[0],i[E+1]=w[1],i[E+2]=w[2]}else e.colorSpace===it.DIVERGING?(su(R,T,C,w),i[E]=w[0],i[E+1]=w[1],i[E+2]=w[2]):At("ColorSpace set to invalid value.");for(let U=0;U<3;U++)i[E+U]=i[E+U]<0?0:i[E+U],i[E+U]=i[E+U]>1?1:i[E+U]}}},t.getUint8Table=(r,n,a,i=!1)=>{if(t.getMTime()<=e.buildTime&&e.tableSize===a&&e.tableWithAlpha!==i)return e.table;if(e.nodes.length===0)return At("Attempting to lookup a value with no points in the function"),e.table;const s=i?4:3;(e.tableSize!==a||e.tableWithAlpha!==i)&&(e.table=new Uint8Array(a*s),e.tableSize=a,e.tableWithAlpha=i);const o=[];t.getTable(r,n,a,o);for(let c=0;c<a;c++)e.table[c*s+0]=Math.floor(o[c*3+0]*255+.5),e.table[c*s+1]=Math.floor(o[c*3+1]*255+.5),e.table[c*s+2]=Math.floor(o[c*3+2]*255+.5),i&&(e.table[c*s+3]=255);return e.buildTime.modified(),e.table},t.buildFunctionFromArray=r=>{t.removeAllPoints();const n=r.getNumberOfComponents();for(let a=0;a<r.getNumberOfTuples();a++)switch(n){case 3:e.nodes.push({x:a,r:r.getComponent(a,0),g:r.getComponent(a,1),b:r.getComponent(a,2),midpoint:.5,sharpness:0});break;case 4:e.nodes.push({x:r.getComponent(a,0),r:r.getComponent(a,1),g:r.getComponent(a,2),b:r.getComponent(a,3),midpoint:.5,sharpness:0});break;case 5:e.nodes.push({x:a,r:r.getComponent(a,0),g:r.getComponent(a,1),b:r.getComponent(a,2),midpoint:r.getComponent(a,4),sharpness:r.getComponent(a,5)});break;case 6:e.nodes.push({x:r.getComponent(a,0),r:r.getComponent(a,1),g:r.getComponent(a,2),b:r.getComponent(a,3),midpoint:r.getComponent(a,4),sharpness:r.getComponent(a,5)});break;default:break}t.sortAndUpdateRange()},t.buildFunctionFromTable=(r,n,a,i)=>{let s=0;t.removeAllPoints(),a>1&&(s=(n-r)/(a-1));for(let o=0;o<a;o++){const c={x:r+s*o,r:i[o*3],g:i[o*3+1],b:i[o*3+2],sharpness:0,midpoint:.5};e.nodes.push(c)}t.sortAndUpdateRange()},t.getNodeValue=(r,n)=>r<0||r>=e.nodes.length?(At("Index out of range!"),-1):(n[0]=e.nodes[r].x,n[1]=e.nodes[r].r,n[2]=e.nodes[r].g,n[3]=e.nodes[r].b,n[4]=e.nodes[r].midpoint,n[5]=e.nodes[r].sharpness,1),t.setNodeValue=(r,n)=>{if(r<0||r>=e.nodes.length)return At("Index out of range!"),-1;const a=e.nodes[r].x;return e.nodes[r].x=n[0],e.nodes[r].r=n[1],e.nodes[r].g=n[2],e.nodes[r].b=n[3],e.nodes[r].midpoint=n[4],e.nodes[r].sharpness=n[5],a!==n[0]?t.sortAndUpdateRange():t.modified(),1},t.getNumberOfAvailableColors=()=>{if(e.indexedLookup&&t.getSize())return t.getSize();if(e.tableSize)return e.tableSize;const r=e.nodes?.length??0;return Math.max(4094,r)},t.getIndexedColor=(r,n)=>{const a=t.getSize();if(a>0&&r>=0){const s=[];t.getNodeValue(r%a,s);for(let o=0;o<3;++o)n[o]=s[o+1];n[3]=1;return}const i=t.getNanColorByReference();n[0]=i[0],n[1]=i[1],n[2]=i[2],n[3]=1},t.fillFromDataPointer=(r,n)=>{if(!(r<=0||!n)){t.removeAllPoints();for(let a=0;a<r;a++)t.addRGBPoint(n[a*4],n[a*4+1],n[a*4+2],n[a*4+3])}},t.setMappingRange=(r,n)=>{const a=[r,n],i=[r,n],s=t.getRange(),o=t.logScaleEnabled();if(s[1]===a[1]&&s[0]===a[0])return;if(a[1]===a[0]){At("attempt to set zero width color range");return}o&&(a[0]<=0?console.warn("attempt to set log scale color range with non-positive minimum"):(i[0]=Math.log10(a[0]),i[1]=Math.log10(a[1])));const c=(i[1]-i[0])/(s[1]-s[0]),f=i[0]-s[0]*c;for(let g=0;g<e.nodes.length;++g)e.nodes[g].x=e.nodes[g].x*c+f;e.mappingRange[0]=a[0],e.mappingRange[1]=a[1],t.modified()},t.adjustRange=r=>{const n=t.getRange(),a=[];n[0]<r[0]?(t.getColor(r[0],a),t.addRGBPoint(r[0],a[0],a[1],a[2])):(t.getColor(n[0],a),t.addRGBPoint(r[0],a[0],a[1],a[2])),n[1]>r[1]?(t.getColor(r[1],a),t.addRGBPoint(r[1],a[0],a[1],a[2])):(t.getColor(n[1],a),t.addRGBPoint(r[1],a[0],a[1],a[2])),t.sortAndUpdateRange();for(let i=0;i<e.nodes.length;)e.nodes[i].x>=r[0]&&e.nodes[i].x<=r[1]?e.nodes.splice(i,1):++i;return 1},t.estimateMinNumberOfSamples=(r,n)=>{const a=t.findMinimumXDistance();return Math.ceil((n-r)/a)},t.findMinimumXDistance=()=>{if(e.nodes.length<2)return-1;let r=Number.MAX_VALUE;for(let n=0;n<e.nodes.length-1;n++){const a=e.nodes[n+1].x-e.nodes[n].x;a<r&&(r=a)}return r},t.mapScalarsThroughTable=(r,n,a,i)=>{if(t.getSize()===0){oL("Transfer Function Has No Points!");return}e.indexedLookup?t.mapDataIndexed(r,n,a,i):t.mapData(r,n,a,i)},t.mapData=(r,n,a,i)=>{if(t.getSize()===0){cL("Transfer Function Has No Points!");return}const s=Math.floor(t.getAlpha()*255+.5),o=r.getNumberOfTuples(),c=r.getNumberOfComponents(),f=n.getData(),g=r.getData(),u=[];if(a===Xa.RGBA)for(let l=0;l<o;l++){const p=g[l*c+i];t.getColor(p,u),f[l*4]=Math.floor(u[0]*255+.5),f[l*4+1]=Math.floor(u[1]*255+.5),f[l*4+2]=Math.floor(u[2]*255+.5),f[l*4+3]=s}if(a===Xa.RGB)for(let l=0;l<o;l++){const p=g[l*c+i];t.getColor(p,u),f[l*3]=Math.floor(u[0]*255+.5),f[l*3+1]=Math.floor(u[1]*255+.5),f[l*3+2]=Math.floor(u[2]*255+.5)}if(a===Xa.LUMINANCE)for(let l=0;l<o;l++){const p=g[l*c+i];t.getColor(p,u),f[l]=Math.floor(u[0]*76.5+u[1]*150.45+u[2]*28.05+.5)}if(a===Xa.LUMINANCE_ALPHA)for(let l=0;l<o;l++){const p=g[l*c+i];t.getColor(p,u),f[l*2]=Math.floor(u[0]*76.5+u[1]*150.45+u[2]*28.05+.5),f[l*2+1]=s}},t.applyColorMap=r=>{const n=JSON.stringify(e.colorSpace);r.ColorSpace&&(e.colorSpace=it[r.ColorSpace.toUpperCase()],e.colorSpace===void 0&&(At(`ColorSpace ${r.ColorSpace} not supported, using RGB instead`),e.colorSpace=it.RGB));let a=n!==JSON.stringify(e.colorSpace);const i=a||JSON.stringify(e.nanColor);if(r.NanColor)for(e.nanColor=[].concat(r.NanColor);e.nanColor.length<4;)e.nanColor.push(1);a=a||i!==JSON.stringify(e.nanColor);const s=a||JSON.stringify(e.nodes);if(r.RGBPoints){const f=r.RGBPoints.length;e.nodes=[];const g=.5,u=0;for(let l=0;l<f;l+=4)e.nodes.push({x:r.RGBPoints[l],r:r.RGBPoints[l+1],g:r.RGBPoints[l+2],b:r.RGBPoints[l+3],midpoint:g,sharpness:u})}const o=t.sortAndUpdateRange(),c=!o&&(a||s!==JSON.stringify(e.nodes));return c&&t.modified(),o||c}}var lL={clamping:!0,colorSpace:it.RGB,hSVWrap:!0,scale:dc.LINEAR,nanColor:null,belowRangeColor:null,aboveRangeColor:null,useAboveRangeColor:!1,useBelowRangeColor:!1,allowDuplicateScalars:!1,table:null,tableSize:0,buildTime:null,nodes:null,discretize:!1,numberOfValues:256};function T0(t,e,r={}){Object.assign(e,lL,r),Zi.extend(t,e,r),e.table=[],e.nodes=[],e.nanColor=[.5,0,0,1],e.belowRangeColor=[0,0,0,1],e.aboveRangeColor=[1,1,1,1],e.buildTime={},O.obj(e.buildTime),O.get(t,e,["buildTime","mappingRange"]),O.setGet(t,e,["useAboveRangeColor","useBelowRangeColor","discretize","numberOfValues",{type:"enum",name:"colorSpace",enum:it},{type:"enum",name:"scale",enum:dc}]),O.setArray(t,e,["nanColor","belowRangeColor","aboveRangeColor"],4),O.getArray(t,e,["nanColor","belowRangeColor","aboveRangeColor"]),gL(t,e)}var pL=O.newInstance(T0,"vtkColorTransferFunction"),y0={newInstance:pL,extend:T0,...v0},hL={DIRECTION:0,ROTATION:1,MATRIX:2},vL={SCALE_BY_CONSTANT:0,SCALE_BY_MAGNITUDE:1,SCALE_BY_COMPONENTS:2},d0={OrientationModes:hL,ScaleModes:vL},{OrientationModes:fn,ScaleModes:It}=d0,{vtkErrorMacro:TL}=O;function yL(t,e){e.classHierarchy.push("vtkGlyph3DMapper"),t.getOrientationModeAsString=()=>O.enumToString(fn,e.orientationMode),t.setOrientationModeToDirection=()=>t.setOrientationMode(fn.DIRECTION),t.setOrientationModeToRotation=()=>t.setOrientationMode(fn.ROTATION),t.setOrientationModeToMatrix=()=>t.setOrientationMode(fn.MATRIX),t.getOrientationArrayData=()=>{const r=t.getInputData(0);return!r||!r.getPointData()?null:e.orientationArray?r.getPointData().getArray(e.orientationArray):r.getPointData().getVectors()},t.getScaleModeAsString=()=>O.enumToString(It,e.scaleMode),t.setScaleModeToScaleByMagnitude=()=>t.setScaleMode(It.SCALE_BY_MAGNITUDE),t.setScaleModeToScaleByComponents=()=>t.setScaleMode(It.SCALE_BY_COMPONENTS),t.setScaleModeToScaleByConstant=()=>t.setScaleMode(It.SCALE_BY_CONSTANT),t.getScaleArrayData=()=>{const r=t.getInputData(0);return!r||!r.getPointData()?null:e.scaleArray?r.getPointData().getArray(e.scaleArray):r.getPointData().getScalars()},t.computeBounds=()=>t.buildArrays(),t.buildArrays=()=>{const r=t.getInputData(0),n=t.getInputData(1);if(!r||!n){P.reset(e.bounds);return}if(e.buildTime.getMTime()<n.getMTime()||e.buildTime.getMTime()<r.getMTime()||e.buildTime.getMTime()<t.getMTime()){const a=r.getPoints().getData();let i=t.getScaleArrayData(),s=null,o=0;i&&(s=i.getData(),o=i.getNumberOfComponents()),e.scaling&&i&&e.scaleMode===It.SCALE_BY_COMPONENTS&&i.getNumberOfComponents()!==3&&(TL("Cannot scale by components since scale array does not have 3 components."),i=null);const c=n.getBounds(),f=[];P.getCorners(c,f),P.reset(e.bounds);const g=new Float64Array(3),u=t.getOrientationArrayData(),l=K(new Float64Array(16)),p=[],h=[],v=a.length/3;e.matrixArray=new Float32Array(16*v);const y=e.matrixArray.buffer;e.normalArray=new Float32Array(9*v);const T=e.normalArray.buffer,C=[],d=[];for(let S=0;S<v;++S){const M=new Float32Array(y,S*64,16);if(p[0]=a[S*3],p[1]=a[S*3+1],p[2]=a[S*3+2],_e(M,l,p),u)switch(u.getTuple(S,d),e.orientationMode){case fn.MATRIX:{const R=[...d.slice(0,3),0,...d.slice(3,6),0,...d.slice(6,9),0,0,0,0,1];X(M,M,R);break}case fn.ROTATION:Gi(M,M,d[2]),ki(M,M,d[0]),Zr(M,M,d[1]);break;case fn.DIRECTION:if(d[1]===0&&d[2]===0)d[0]<0&&Zr(M,M,3.1415926);else{const R=Pe(d),L=[];L[0]=(d[0]+R)/2,L[1]=d[1]/2,L[2]=d[2]/2,st(M,M,3.1415926,L)}break;default:break}if(e.scaling){if(h[0]=e.scaleFactor,h[1]=e.scaleFactor,h[2]=e.scaleFactor,i)switch(e.scaleMode){case It.SCALE_BY_MAGNITUDE:for(let R=0;R<o;++R)C[R]=s[S*o+R];h[0]*=Pe(C,o),h[1]=h[0],h[2]=h[0];break;case It.SCALE_BY_COMPONENTS:for(let R=0;R<o;++R)C[R]=s[S*o+R];h[0]*=C[0],h[1]*=C[1],h[2]*=C[2];break;case It.SCALE_BY_CONSTANT:default:break}h[0]===0&&(h[0]=1e-10),h[1]===0&&(h[1]=1e-10),h[2]===0&&(h[2]=1e-10),Qt(M,M,h)}for(let R=0;R<8;++R)ie(g,f[R],M),P.addPoint(e.bounds,g);const E=new 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dL={orient:!0,orientationMode:fn.DIRECTION,orientationArray:null,scaling:!0,scaleFactor:1,scaleMode:It.SCALE_BY_MAGNITUDE,scaleArray:null,matrixArray:null,normalArray:null,colorArray:null};function C0(t,e,r={}){Object.assign(e,dL,r),Cn.extend(t,e,r),O.algo(t,e,2,0),e.buildTime={},O.obj(e.buildTime,{mtime:0}),O.setGet(t,e,["orient","orientationMode","orientationArray","scaleArray","scaleFactor","scaleMode","scaling"]),O.get(t,e,["colorArray","matrixArray","normalArray","buildTime"]),yL(t,e)}var CL=O.newInstance(C0,"vtkGlyph3DMapper"),xL={newInstance:CL,extend:C0,...d0},{vtkErrorMacro:Ya}=O;function SL(t,e){e.classHierarchy.push("vtkPiecewiseFunction"),t.getSize=()=>e.nodes.length,t.getType=()=>{let r,n=0,a=0;e.nodes.length>0&&(n=e.nodes[0].y);for(let i=1;i<e.nodes.length;i++){if(r=e.nodes[i].y,r!==n)if(r>n)switch(a){case 0:case 1:a=1;break;default:a=3;break}else switch(a){case 0:case 2:a=2;break;default:a=3;break}if(n=r,a===3)break}switch(a){case 0:return"Constant";case 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mL=t=>({colorMixPreset:RL.DEFAULT,independentComponents:!0,interpolationType:Hr.FAST_LINEAR,shade:!1,ambient:.1,diffuse:.7,specular:.2,specularPower:10,useLabelOutline:!1,labelOutlineThickness:[1],labelOutlineOpacity:1,ipScalarRange:[-1e6,1e6],filterMode:jr.OFF,preferSizeOverAccuracy:!1,computeNormalFromOpacity:!1,volumetricScatteringBlending:0,globalIlluminationReach:0,anisotropy:0,localAmbientOcclusion:!1,LAOKernelSize:15,LAOKernelRadius:7,updatedExtents:[],...t});function S0(t,e,r={}){if(Object.assign(e,mL(r)),O.obj(t,e),!e.componentData){e.componentData=[];for(let n=0;n<si;++n)e.componentData.push({colorChannels:1,grayTransferFunction:null,rGBTransferFunction:null,scalarOpacity:null,scalarOpacityUnitDistance:1,opacityMode:EL.FRACTIONAL,gradientOpacityMinimumValue:0,gradientOpacityMinimumOpacity:0,gradientOpacityMaximumValue:1,gradientOpacityMaximumOpacity:1,useGradientOpacity:!1,componentWeight:1,forceNearestInterpolation:!1})}O.setGet(t,e,["colorMixPreset","independentComponents","interpolationType","shade","ambient","diffuse","specular","specularPower","useLabelOutline","labelOutlineOpacity","filterMode","preferSizeOverAccuracy","computeNormalFromOpacity","volumetricScatteringBlending","globalIlluminationReach","anisotropy","localAmbientOcclusion","LAOKernelSize","LAOKernelRadius","updatedExtents"]),O.setGetArray(t,e,["ipScalarRange"],2),O.setGetArray(t,e,["labelOutlineThickness"]),ML(t,e)}var DL=O.newInstance(S0,"vtkVolumeProperty"),w0={newInstance:DL,extend:S0,...Pp};function VL(t,e){e.classHierarchy.push("vtkVolume"),t.getVolumes=()=>[t],t.makeProperty=w0.newInstance,t.getRedrawMTime=()=>{let r=e.mtime;if(e.mapper!==null){let n=e.mapper.getMTime();r=n>r?n:r,e.mapper.getInput()!==null&&(e.mapper.getInputAlgorithm().update(),n=e.mapper.getInput().getMTime(),r=n>r?n:r)}return r}}var LL={mapper:null};function O0(t,e,r={}){Object.assign(e,LL,r),Ko.extend(t,e,r),e.boundsMTime={},O.obj(e.boundsMTime),O.setGet(t,e,["mapper"]),VL(t,e)}var FL=O.newInstance(O0,"vtkVolume"),_L={newInstance:FL,extend:O0},{BlendMode:un}=tE;function NL(t,e,r,n,a){let i=null;return a?(i=a,i.removeAllPoints()):i=Fi.newInstance(),i.addPointLong(-1024,0,1,1),i.addPoint(t,e),i.addPoint(r,n),i}var BL=["getAnisotropy","getComputeNormalFromOpacity","getFilterMode","getFilterModeAsString","getGlobalIlluminationReach","getIpScalarRange","getIpScalarRangeByReference","getLAOKernelRadius","getLAOKernelSize","getLocalAmbientOcclusion","getPreferSizeOverAccuracy","getVolumetricScatteringBlending","setAnisotropy","setAverageIPScalarRange","setComputeNormalFromOpacity","setFilterMode","setFilterModeToNormalized","setFilterModeToOff","setFilterModeToRaw","setGlobalIlluminationReach","setIpScalarRange","setIpScalarRangeFrom","setLAOKernelRadius","setLAOKernelSize","setLocalAmbientOcclusion","setPreferSizeOverAccuracy","setVolumetricScatteringBlending"],kL={createRadonTransferFunction:NL};function GL(t,e){e.classHierarchy.push("vtkVolumeMapper");const r={...t};t.computeBounds=()=>{const 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vF={height:1,initAngle:0,radius:1,resolution:6,center:[0,0,0],direction:[0,1,0],capping:!0,pointType:"Float64Array"};function N0(t,e,r={}){Object.assign(e,vF,r),O.obj(t,e),O.setGet(t,e,["height","initAngle","otherRadius","radius","resolution","capping"]),O.setGetArray(t,e,["center","direction"],3),O.algo(t,e,0,1),hF(t,e)}var TF=O.newInstance(N0,"vtkCylinderSource"),yF={newInstance:TF,extend:N0};function dF(t,e){e.classHierarchy.push("vtkArrowSource"),t.requestData=(r,n)=>{const a=yF.newInstance({capping:!0});a.setResolution(e.shaftResolution),a.setRadius(e.shaftRadius),a.setHeight(1-e.tipLength),a.setCenter(0,(1-e.tipLength)*.5,0);const i=a.getOutputData(),s=i.getPoints().getData(),o=i.getPointData().getNormals().getData();Ye.buildFromDegree().rotateZ(-90).apply(s).apply(o);const c=pF.newInstance();c.setResolution(e.tipResolution),c.setHeight(e.tipLength),c.setRadius(e.tipRadius);const 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M?(M=1/M,e[0]=(s*R-l*O+c*I)*M,e[1]=(o*O-r*R-a*I)*M,e[2]=(m*C-h*y+v*A)*M,e[3]=(p*y-d*C-f*A)*M,e[4]=(l*w-i*R-c*P)*M,e[5]=(n*R-o*w+a*P)*M,e[6]=(h*b-g*C-v*x)*M,e[7]=(u*C-p*b+f*x)*M,e[8]=(i*O-s*w+c*S)*M,e[9]=(r*w-n*O-a*S)*M,e[10]=(g*y-m*b+v*T)*M,e[11]=(d*b-u*y-f*T)*M,e[12]=(s*P-i*I-l*S)*M,e[13]=(n*I-r*P+o*S)*M,e[14]=(m*x-g*A-h*T)*M,e[15]=(u*A-d*x+p*T)*M,e):null}function y(e,t,n){var r=t[0],o=t[1],a=t[2],i=t[3],s=t[4],l=t[5],c=t[6],u=t[7],d=t[8],p=t[9],f=t[10],g=t[11],m=t[12],h=t[13],v=t[14],T=t[15],x=n[0],b=n[1],A=n[2],y=n[3];return e[0]=x*r+b*s+A*d+y*m,e[1]=x*o+b*l+A*p+y*h,e[2]=x*a+b*c+A*f+y*v,e[3]=x*i+b*u+A*g+y*T,x=n[4],b=n[5],A=n[6],y=n[7],e[4]=x*r+b*s+A*d+y*m,e[5]=x*o+b*l+A*p+y*h,e[6]=x*a+b*c+A*f+y*v,e[7]=x*i+b*u+A*g+y*T,x=n[8],b=n[9],A=n[10],y=n[11],e[8]=x*r+b*s+A*d+y*m,e[9]=x*o+b*l+A*p+y*h,e[10]=x*a+b*c+A*f+y*v,e[11]=x*i+b*u+A*g+y*T,x=n[12],b=n[13],A=n[14],y=n[15],e[12]=x*r+b*s+A*d+y*m,e[13]=x*o+b*l+A*p+y*h,e[14]=x*a+b*c+A*f+y*v,e[15]=x*i+b*u+A*g+y*T,e}function C(e,t,n){var r,o,a,i,s,l,c,u,d,p,f,g,m=n[0],h=n[1],v=n[2];return t===e?(e[12]=t[0]*m+t[4]*h+t[8]*v+t[12],e[13]=t[1]*m+t[5]*h+t[9]*v+t[13],e[14]=t[2]*m+t[6]*h+t[10]*v+t[14],e[15]=t[3]*m+t[7]*h+t[11]*v+t[15]):(r=t[0],o=t[1],a=t[2],i=t[3],s=t[4],l=t[5],c=t[6],u=t[7],d=t[8],p=t[9],f=t[10],g=t[11],e[0]=r,e[1]=o,e[2]=a,e[3]=i,e[4]=s,e[5]=l,e[6]=c,e[7]=u,e[8]=d,e[9]=p,e[10]=f,e[11]=g,e[12]=r*m+s*h+d*v+t[12],e[13]=o*m+l*h+p*v+t[13],e[14]=a*m+c*h+f*v+t[14],e[15]=i*m+u*h+g*v+t[15]),e}function S(e,t,n){var r=n[0],o=n[1],a=n[2];return e[0]=t[0]*r,e[1]=t[1]*r,e[2]=t[2]*r,e[3]=t[3]*r,e[4]=t[4]*o,e[5]=t[5]*o,e[6]=t[6]*o,e[7]=t[7]*o,e[8]=t[8]*a,e[9]=t[9]*a,e[10]=t[10]*a,e[11]=t[11]*a,e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15],e}function P(e,t,r,o){var a,i,s,l,c,u,d,p,f,g,m,h,v,T,x,b,A,y,C,S,P,w,I,O,R=o[0],M=o[1],D=o[2],E=Math.hypot(R,M,D);return E<n?null:(R*=E=1/E,M*=E,D*=E,a=Math.sin(r),s=1-(i=Math.cos(r)),l=t[0],c=t[1],u=t[2],d=t[3],p=t[4],f=t[5],g=t[6],m=t[7],h=t[8],v=t[9],T=t[10],x=t[11],b=R*R*s+i,A=M*R*s+D*a,y=D*R*s-M*a,C=R*M*s-D*a,S=M*M*s+i,P=D*M*s+R*a,w=R*D*s+M*a,I=M*D*s-R*a,O=D*D*s+i,e[0]=l*b+p*A+h*y,e[1]=c*b+f*A+v*y,e[2]=u*b+g*A+T*y,e[3]=d*b+m*A+x*y,e[4]=l*C+p*S+h*P,e[5]=c*C+f*S+v*P,e[6]=u*C+g*S+T*P,e[7]=d*C+m*S+x*P,e[8]=l*w+p*I+h*O,e[9]=c*w+f*I+v*O,e[10]=u*w+g*I+T*O,e[11]=d*w+m*I+x*O,t!==e&&(e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15]),e)}function w(e,t,n){var r=Math.sin(n),o=Math.cos(n),a=t[4],i=t[5],s=t[6],l=t[7],c=t[8],u=t[9],d=t[10],p=t[11];return t!==e&&(e[0]=t[0],e[1]=t[1],e[2]=t[2],e[3]=t[3],e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15]),e[4]=a*o+c*r,e[5]=i*o+u*r,e[6]=s*o+d*r,e[7]=l*o+p*r,e[8]=c*o-a*r,e[9]=u*o-i*r,e[10]=d*o-s*r,e[11]=p*o-l*r,e}function I(e,t,n){var r=Math.sin(n),o=Math.cos(n),a=t[0],i=t[1],s=t[2],l=t[3],c=t[8],u=t[9],d=t[10],p=t[11];return t!==e&&(e[4]=t[4],e[5]=t[5],e[6]=t[6],e[7]=t[7],e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15]),e[0]=a*o-c*r,e[1]=i*o-u*r,e[2]=s*o-d*r,e[3]=l*o-p*r,e[8]=a*r+c*o,e[9]=i*r+u*o,e[10]=s*r+d*o,e[11]=l*r+p*o,e}function O(e,t,n){var r=Math.sin(n),o=Math.cos(n),a=t[0],i=t[1],s=t[2],l=t[3],c=t[4],u=t[5],d=t[6],p=t[7];return t!==e&&(e[8]=t[8],e[9]=t[9],e[10]=t[10],e[11]=t[11],e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15]),e[0]=a*o+c*r,e[1]=i*o+u*r,e[2]=s*o+d*r,e[3]=l*o+p*r,e[4]=c*o-a*r,e[5]=u*o-i*r,e[6]=d*o-s*r,e[7]=p*o-l*r,e}function R(e,t){return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=t[0],e[13]=t[1],e[14]=t[2],e[15]=1,e}function M(e,t){return e[0]=t[0],e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=t[1],e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=t[2],e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function D(e,t,r){var o,a,i,s=r[0],l=r[1],c=r[2],u=Math.hypot(s,l,c);return u<n?null:(s*=u=1/u,l*=u,c*=u,o=Math.sin(t),i=1-(a=Math.cos(t)),e[0]=s*s*i+a,e[1]=l*s*i+c*o,e[2]=c*s*i-l*o,e[3]=0,e[4]=s*l*i-c*o,e[5]=l*l*i+a,e[6]=c*l*i+s*o,e[7]=0,e[8]=s*c*i+l*o,e[9]=l*c*i-s*o,e[10]=c*c*i+a,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e)}function E(e,t,n){var r=t[0],o=t[1],a=t[2],i=t[3],s=r+r,l=o+o,c=a+a,u=r*s,d=r*l,p=r*c,f=o*l,g=o*c,m=a*c,h=i*s,v=i*l,T=i*c;return e[0]=1-(f+m),e[1]=d+T,e[2]=p-v,e[3]=0,e[4]=d-T,e[5]=1-(u+m),e[6]=g+h,e[7]=0,e[8]=p+v,e[9]=g-h,e[10]=1-(u+f),e[11]=0,e[12]=n[0],e[13]=n[1],e[14]=n[2],e[15]=1,e}function V(e,t){var n=t[0],r=t[1],o=t[2],a=t[4],i=t[5],s=t[6],l=t[8],c=t[9],u=t[10];return e[0]=Math.hypot(n,r,o),e[1]=Math.hypot(a,i,s),e[2]=Math.hypot(l,c,u),e}function L(e,t){var n=new r(3);V(n,t);var o=1/n[0],a=1/n[1],i=1/n[2],s=t[0]*o,l=t[1]*a,c=t[2]*i,u=t[4]*o,d=t[5]*a,p=t[6]*i,f=t[8]*o,g=t[9]*a,m=t[10]*i,h=s+d+m,v=0;return h>0?(v=2*Math.sqrt(h+1),e[3]=.25*v,e[0]=(p-g)/v,e[1]=(f-c)/v,e[2]=(l-u)/v):s>d&&s>m?(v=2*Math.sqrt(1+s-d-m),e[3]=(p-g)/v,e[0]=.25*v,e[1]=(l+u)/v,e[2]=(f+c)/v):d>m?(v=2*Math.sqrt(1+d-s-m),e[3]=(f-c)/v,e[0]=(l+u)/v,e[1]=.25*v,e[2]=(p+g)/v):(v=2*Math.sqrt(1+m-s-d),e[3]=(l-u)/v,e[0]=(f+c)/v,e[1]=(p+g)/v,e[2]=.25*v),e}function B(e,t,n,r){var o=t[0],a=t[1],i=t[2],s=t[3],l=o+o,c=a+a,u=i+i,d=o*l,p=o*c,f=o*u,g=a*c,m=a*u,h=i*u,v=s*l,T=s*c,x=s*u,b=r[0],A=r[1],y=r[2];return e[0]=(1-(g+h))*b,e[1]=(p+x)*b,e[2]=(f-T)*b,e[3]=0,e[4]=(p-x)*A,e[5]=(1-(d+h))*A,e[6]=(m+v)*A,e[7]=0,e[8]=(f+T)*y,e[9]=(m-v)*y,e[10]=(1-(d+g))*y,e[11]=0,e[12]=n[0],e[13]=n[1],e[14]=n[2],e[15]=1,e}function F(e,t){var n=t[0],r=t[1],o=t[2],a=t[3],i=n+n,s=r+r,l=o+o,c=n*i,u=r*i,d=r*s,p=o*i,f=o*s,g=o*l,m=a*i,h=a*s,v=a*l;return e[0]=1-d-g,e[1]=u+v,e[2]=p-h,e[3]=0,e[4]=u-v,e[5]=1-c-g,e[6]=f+m,e[7]=0,e[8]=p+h,e[9]=f-m,e[10]=1-c-d,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function N(e,t,n,r,o){var a,i=1/Math.tan(t/2);return e[0]=i/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=i,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(a=1/(r-o),e[10]=(o+r)*a,e[14]=2*o*r*a):(e[10]=-1,e[14]=-2*r),e}var k=N;function G(e,t,n,r,o,a,i){var s=1/(t-n),l=1/(r-o),c=1/(a-i);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=2*c,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=(i+a)*c,e[15]=1,e}var U=G;function _(e,t,r,o){var a,i,s,l,c,u,d,p,f,g,m=t[0],h=t[1],v=t[2],T=o[0],b=o[1],A=o[2],y=r[0],C=r[1],S=r[2];return Math.abs(m-y)<n&&Math.abs(h-C)<n&&Math.abs(v-S)<n?x(e):(d=m-y,p=h-C,f=v-S,a=b*(f*=g=1/Math.hypot(d,p,f))-A*(p*=g),i=A*(d*=g)-T*f,s=T*p-b*d,(g=Math.hypot(a,i,s))?(a*=g=1/g,i*=g,s*=g):(a=0,i=0,s=0),l=p*s-f*i,c=f*a-d*s,u=d*i-p*a,(g=Math.hypot(l,c,u))?(l*=g=1/g,c*=g,u*=g):(l=0,c=0,u=0),e[0]=a,e[1]=l,e[2]=d,e[3]=0,e[4]=i,e[5]=c,e[6]=p,e[7]=0,e[8]=s,e[9]=u,e[10]=f,e[11]=0,e[12]=-(a*m+i*h+s*v),e[13]=-(l*m+c*h+u*v),e[14]=-(d*m+p*h+f*v),e[15]=1,e)}function K(e,t,n){return 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us(e,t,n={}){Object.assign(t,cs,n),ln.obj(e,t),ln.setGet(e,t,["lighting","interpolation","ambient","diffuse","metallic","roughness","normalStrength","emission","baseIOR","specular","specularPower","opacity","edgeVisibility","lineWidth","pointSize","backfaceCulling","frontfaceCulling","representation","diffuseTexture","metallicTexture","roughnessTexture","normalTexture","ambientOcclusionTexture","emissionTexture","ORMTexture","RMTexture"]),ln.setGetArray(e,t,["ambientColor","specularColor","diffuseColor","edgeColor"],3),function(e,t){t.classHierarchy.push("vtkProperty"),e.setColor=(n,r,o)=>{Array.isArray(n)?t.color[0]===n[0]&&t.color[1]===n[1]&&t.color[2]===n[2]||(t.color[0]=n[0],t.color[1]=n[1],t.color[2]=n[2],e.modified()):t.color[0]===n&&t.color[1]===r&&t.color[2]===o||(t.color[0]=n,t.color[1]=r,t.color[2]=o,e.modified()),e.setDiffuseColor(t.color),e.setAmbientColor(t.color),e.setSpecularColor(t.color)},e.computeCompositeColor=ls("ComputeCompositeColor"),e.getColor=()=>{let e=0;t.ambient+t.diffuse+t.specular>0&&(e=1/(t.ambient+t.diffuse+t.specular));for(let n=0;n<3;n++)t.color[n]=e*(t.ambient*t.ambientColor[n]+t.diffuse*t.diffuseColor[n]+t.specular*t.specularColor[n]);return[].concat(t.color)},e.setSpecularPower=n=>{const r=1/Math.max(1,n);t.roughness===r&&t.specularPower===n||(t.specularPower=n,t.roughness=r,e.modified())},e.addShaderVariable=ls("AddShaderVariable"),e.setInterpolationToFlat=()=>e.setInterpolation(ss.FLAT),e.setInterpolationToGouraud=()=>e.setInterpolation(ss.GOURAUD),e.setInterpolationToPhong=()=>e.setInterpolation(ss.PHONG),e.getInterpolationAsString=()=>ln.enumToString(ss,t.interpolation),e.setRepresentationToWireframe=()=>e.setRepresentation(is.WIREFRAME),e.setRepresentationToSurface=()=>e.setRepresentation(is.SURFACE),e.setRepresentationToPoints=()=>e.setRepresentation(is.POINTS),e.getRepresentationAsString=()=>ln.enumToString(is,t.representation)}(e,t)}var ds={newInstance:ln.newInstance(us,"vtkProperty"),extend:us,...as};const ps={mapper:null,backfaceProperty:null,forceOpaque:!1,forceTranslucent:!1};function fs(e,t,n={}){Object.assign(t,ps,n),ns.extend(e,t,n),t.boundsMTime={},ln.obj(t.boundsMTime),ln.setGet(e,t,["backfaceProperty","forceOpaque","forceTranslucent","mapper"]),function(e,t){t.classHierarchy.push("vtkActor");const n={...e};e.getActors=()=>[e],e.getIsOpaque=()=>{if(t.forceOpaque)return!0;if(t.forceTranslucent)return!1;t.properties[0]||e.getProperty();let n=t.properties[0].getOpacity()>=1;return n=n&&(!t.texture||!t.texture.isTranslucent()),n=n&&(!t.mapper||t.mapper.getIsOpaque()),n},e.hasTranslucentPolygonalGeometry=()=>null!==t.mapper&&(t.properties[0]||e.getProperty(),!e.getIsOpaque()),e.makeProperty=ds.newInstance,e.getMTime=()=>{let e=n.getMTime();if(null!==t.backfaceProperty){const n=t.backfaceProperty.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let n=t.mapper.getMTime();e=n>e?n:e,null!==t.mapper.getInput()&&(t.mapper.getInputAlgorithm().update(),n=t.mapper.getInput().getMTime(),e=n>e?n:e)}return e},e.getSupportsSelection=()=>!!t.mapper&&t.mapper.getSupportsSelection(),e.processSelectorPixelBuffers=(e,n)=>{t.mapper&&t.mapper.processSelectorPixelBuffers&&t.mapper.processSelectorPixelBuffers(e,n)}}(e,t)}var gs={newInstance:ln.newInstance(fs,"vtkActor"),extend:fs};const ms={Int8Array:1,Uint8Array:1,Uint8ClampedArray:1,Int16Array:2,Uint16Array:2,Int32Array:4,Uint32Array:4,Float32Array:4,Float64Array:8},hs={VOID:"",CHAR:"Int8Array",SIGNED_CHAR:"Int8Array",UNSIGNED_CHAR:"Uint8Array",UNSIGNED_CHAR_CLAMPED:"Uint8ClampedArray",SHORT:"Int16Array",UNSIGNED_SHORT:"Uint16Array",INT:"Int32Array",UNSIGNED_INT:"Uint32Array",FLOAT:"Float32Array",DOUBLE:"Float64Array"};var vs={DefaultDataType:hs.FLOAT,DataTypeByteSize:ms,VtkDataTypes:hs};const{vtkErrorMacro:Ts}=cn,{DefaultDataType:xs}=vs;function bs(e,t,n){const r=e.length;let 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Ps={name:"",numberOfComponents:1,dataType:xs,rangeTuple:[0,0]};function ws(e,t,n={}){if(Object.assign(t,Ps,n),Array.isArray(n.values)&&void 0===n.dataType&&console.warn("vtkDataArray.newInstance: no dataType provided, converting to Float32Array"),!t.empty&&!t.values&&!t.size)throw new TypeError("Cannot create vtkDataArray object without: size > 0, values");if(t.values?Array.isArray(t.values)&&(t.values=St(t.dataType,t.values)):t.values=Ct(t.dataType,t.size),t.values&&(t.size=t.size??t.values.length,t.dataType=Cs(t.values)),Lt(e,t),Gt(e,t,["name","numberOfComponents"]),t.size%t.numberOfComponents!=0)throw new RangeError("model.size is not a multiple of model.numberOfComponents");!function(e,t){function n(n){if(n<0)return!1;const r=e.getNumberOfComponents(),o=t.values.length/(r>0?r:1);if(n===o)return!0;if(n>o){const e=t.values;return t.values=Ct(t.dataType,(n+o)*r),t.values.set(e),!0}return t.size>n*r&&(t.size=n*r,e.dataChange()),!0}t.classHierarchy.push("vtkDataArray"),e.dataChange=()=>{t.ranges=null,e.modified()},e.allocate=t=>{n(e.getNumberOfTuples()+t)},e.resize=r=>{n(r);const o=r*e.getNumberOfComponents();return t.size!==o&&(t.size=o,e.dataChange(),!0)},e.initialize=()=>(e.resize(0),e),e.getElementComponentSize=()=>t.values.BYTES_PER_ELEMENT,e.getComponent=(e,n=0)=>t.values[e*t.numberOfComponents+n],e.setComponent=(n,r,o)=>{o!==t.values[n*t.numberOfComponents+r]&&(t.values[n*t.numberOfComponents+r]=o,e.dataChange())},e.getValue=n=>{const r=n/t.numberOfComponents,o=n%t.numberOfComponents;return e.getComponent(r,o)},e.setValue=(n,r)=>{const o=n/t.numberOfComponents,a=n%t.numberOfComponents;e.setComponent(o,a,r)},e.getData=()=>t.size===t.values.length?t.values:t.values.subarray(0,t.size),e.getRange=(n=-1)=>{let r=n;r<0&&(r=1===t.numberOfComponents?0:t.numberOfComponents);let o=null;return 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o=(n??0)*t.numberOfComponents,a=(r??e.getNumberOfTuples())*t.numberOfComponents,i=e.getData().subarray(o,a);return i.length>0?i:null},e.getTupleLocation=(e=1)=>e*t.numberOfComponents,e.getNumberOfComponents=()=>t.numberOfComponents,e.getNumberOfValues=()=>t.size,e.getNumberOfTuples=()=>t.size/t.numberOfComponents,e.getDataType=()=>t.dataType,e.newClone=()=>Is({empty:!0,name:t.name,dataType:t.dataType,numberOfComponents:t.numberOfComponents}),e.getName=()=>(t.name||(e.modified(),t.name=`vtkDataArray${e.getMTime()}`),t.name),e.setData=(n,r)=>{t.values=n,t.size=n.length,t.dataType=Cs(n),r&&(t.numberOfComponents=r),t.size%t.numberOfComponents!=0&&(t.numberOfComponents=1),e.dataChange()},e.getState=()=>{if(t.deleted)return null;const n={...t,vtkClass:e.getClassName()};n.values=Array.from(n.values),delete n.buffer,Object.keys(n).forEach((e=>{n[e]||delete n[e]}));const r={};return Object.keys(n).sort().forEach((e=>{r[e]=n[e]})),r.mtime&&delete r.mtime,r},e.deepCopy=n=>{const r=e.getDataType(),o=t.values;e.shallowCopy(n),t.ranges=structuredClone(n.getRanges()),o?.length>=n.getNumberOfValues()&&r===n.getDataType()?(o.set(n.getData()),t.values=o,e.dataChange()):e.setData(n.getData().slice())},e.interpolateTuple=(n,r,o,a,i,s)=>{const l=t.numberOfComponents||1;l===r.getNumberOfComponents()&&l===a.getNumberOfComponents()||Ts("numberOfComponents must match");const c=r.getTuple(o),u=a.getTuple(i),d=[];switch(d.length=l,l){case 4:d[3]=c[3]+(u[3]-c[3])*s;case 3:d[2]=c[2]+(u[2]-c[2])*s;case 2:d[1]=c[1]+(u[1]-c[1])*s;case 1:d[0]=c[0]+(u[0]-c[0])*s;break;default:for(let e=0;e<l;e++)d[e]=c[e]+(u[e]-c[e])*s}return e.insertTuple(n,d)}}(e,t)}const Is=qt(ws,"vtkDataArray");var Os={newInstance:Is,extend:ws,...Ss,...vs};const Rs={clippingPlanes:[]};var Ms={extend:function(e,t,n={}){Object.assign(t,Rs,n),ln.obj(e,t),ln.algo(e,t,1,0),t.clippingPlanes||(t.clippingPlanes=[]),function(e,t){t.classHierarchy.push("vtkAbstractMapper"),e.update=()=>{e.getInputData()},e.addClippingPlane=n=>!!n.isA("vtkPlane")&&!t.clippingPlanes.includes(n)&&(t.clippingPlanes.push(n),e.modified(),!0),e.getNumberOfClippingPlanes=()=>t.clippingPlanes.length,e.removeAllClippingPlanes=()=>0!==t.clippingPlanes.length&&(t.clippingPlanes.length=0,e.modified(),!0),e.removeClippingPlane=n=>{const r=t.clippingPlanes.indexOf(n);return-1!==r&&(t.clippingPlanes.splice(r,1),e.modified(),!0)},e.getClippingPlanes=()=>t.clippingPlanes,e.setClippingPlanes=t=>{if(t)if(Array.isArray(t)){const n=t.length;for(let r=0;r<n&&r<6;r++)e.addClippingPlane(t[r])}else e.addClippingPlane(t)},e.getClippingPlaneInDataCoords=(e,n,r)=>{const o=t.clippingPlanes,a=e;if(o){const e=o.length;if(n>=0&&n<e){const e=o[n],t=e.getNormal(),i=e.getOrigin(),s=t[0],l=t[1],c=t[2],u=-(s*i[0]+l*i[1]+c*i[2]);return r[0]=s*a[0]+l*a[4]+c*a[8]+u*a[12],r[1]=s*a[1]+l*a[5]+c*a[9]+u*a[13],r[2]=s*a[2]+l*a[6]+c*a[10]+u*a[14],void(r[3]=s*a[3]+l*a[7]+c*a[11]+u*a[15])}}ln.vtkErrorMacro(`Clipping plane index ${n} is out of range.`)}}(e,t)}};var Ds={extend:function(e,t,n={}){Object.assign(t,(e=>({bounds:[...ji.INIT_BOUNDS],center:[0,0,0],viewSpecificProperties:{},...e}))(n)),Ms.extend(e,t,n),ln.setGet(e,t,["viewSpecificProperties"]),ln.getArray(e,t,["bounds"],6),function(e,t){e.computeBounds=()=>{ln.vtkErrorMacro("vtkAbstractMapper3D.computeBounds - NOT IMPLEMENTED")};const n=e.getBounds;e.getBounds=()=>(e.computeBounds(),n());const r=e.getBoundsByReference;e.getBoundsByReference=()=>(e.computeBounds(),r()),e.getCenter=()=>{const n=e.getBoundsByReference();return t.center=ji.isValid(n)?ji.getCenter(n):null,t.center?.slice()},e.getLength=()=>{const t=e.getBoundsByReference();return ji.getDiagonalLength(t)}}(e,t)}};const{vtkErrorMacro:Es,vtkWarningMacro:Vs}=ln;const Ls={arrays:[],copyFieldFlags:[],doCopyAllOn:!0,doCopyAllOff:!1};function Bs(e,t,n={}){Object.assign(t,Ls,n),ln.obj(e,t),function(e,t){t.classHierarchy.push("vtkFieldData");const n=e.getState;t.arrays&&(t.arrays=t.arrays.map((e=>({data:it(e.data)})))),e.initialize=()=>{e.initializeFields(),e.copyAllOn(),e.clearFieldFlags()},e.initializeFields=()=>{t.arrays=[],t.copyFieldFlags={},e.modified()},e.copyStructure=n=>{e.initializeFields(),t.copyFieldFlags=n.getCopyFieldFlags().map((e=>e)),t.arrays=n.getArrays().map((e=>({data:e})))},e.getNumberOfArrays=()=>t.arrays.length,e.getNumberOfActiveArrays=()=>t.arrays.length,e.addArray=n=>{const r=n.getName(),{array:o,index:a}=e.getArrayWithIndex(r);return null!=o?(t.arrays[a]={data:n},a):(t.arrays=[].concat(t.arrays,{data:n}),t.arrays.length-1)},e.removeAllArrays=()=>{t.arrays=[]},e.removeArray=n=>{const r=t.arrays.findIndex((e=>e.data.getName()===n));return e.removeArrayByIndex(r)},e.removeArrayByIndex=e=>-1!==e&&e<t.arrays.length&&(t.arrays.splice(e,1),!0),e.getArrays=()=>t.arrays.map((e=>e.data)),e.getArray=t=>"number"==typeof t?e.getArrayByIndex(t):e.getArrayByName(t),e.getArrayByName=e=>t.arrays.reduce(((t,n,r)=>n.data.getName()===e?n.data:t),null),e.getArrayWithIndex=e=>{const n=t.arrays.findIndex((t=>t.data.getName()===e));return{array:-1!==n?t.arrays[n].data:null,index:n}},e.getArrayByIndex=e=>e>=0&&e<t.arrays.length?t.arrays[e].data:null,e.hasArray=t=>e.getArrayWithIndex(t).index>=0,e.getArrayName=e=>{const n=t.arrays[e];return n?n.data.getName():""},e.getCopyFieldFlags=()=>t.copyFieldFlags,e.getFlag=e=>t.copyFieldFlags[e],e.passData=(n,r=-1,o=-1)=>{n.getArrays().forEach((a=>{const i=e.getFlag(a.getName());if(!1!==i&&(!t.doCopyAllOff||!0===i)&&a){let t=e.getArrayByName(a.getName());if(t)if(a.getNumberOfComponents()===t.getNumberOfComponents())if(r>-1&&r<a.getNumberOfTuples()){const e=o>-1?o:r;t.insertTuple(e,a.getTuple(r))}else t.insertTuples(0,a.getTuples());else Es("Unhandled case in passData");else if(r<0||r>a.getNumberOfTuples())e.addArray(a),n.getAttributes(a).forEach((t=>{e.setAttribute(a,t)}));else{const i=a.getNumberOfComponents();let s=a.getNumberOfValues();const l=o>-1?o:r;s<=l*i&&(s=(l+1)*i),t=Os.newInstance({name:a.getName(),dataType:a.getDataType(),numberOfComponents:i,values:ln.newTypedArray(a.getDataType(),s),size:0}),t.insertTuple(l,a.getTuple(r)),e.addArray(t),n.getAttributes(a).forEach((n=>{e.setAttribute(t,n)}))}}}))},e.interpolateData=(n,r=-1,o=-1,a=-1,i=.5)=>{n.getArrays().forEach((s=>{const l=e.getFlag(s.getName());if(!1!==l&&(!t.doCopyAllOff||!0===l)&&s){let t=e.getArrayByName(s.getName());if(t)if(s.getNumberOfComponents()===t.getNumberOfComponents())if(r>-1&&r<s.getNumberOfTuples()){const e=a>-1?a:r;t.interpolateTuple(e,s,r,s,o,i),Vs("Unexpected case in interpolateData")}else t.insertTuples(s.getTuples());else Es("Unhandled case in interpolateData");else if(r<0||o<0||r>s.getNumberOfTuples())e.addArray(s),n.getAttributes(s).forEach((t=>{e.setAttribute(s,t)}));else{const l=s.getNumberOfComponents();let c=s.getNumberOfValues();const u=a>-1?a:r;c<=u*l&&(c=(u+1)*l),t=Os.newInstance({name:s.getName(),dataType:s.getDataType(),numberOfComponents:l,values:ln.newTypedArray(s.getDataType(),c),size:0}),t.interpolateTuple(u,s,r,s,o,i),e.addArray(t),n.getAttributes(s).forEach((n=>{e.setAttribute(t,n)}))}}}))},e.copyFieldOn=e=>{t.copyFieldFlags[e]=!0},e.copyFieldOff=e=>{t.copyFieldFlags[e]=!1},e.copyAllOn=()=>{t.doCopyAllOn&&!t.doCopyAllOff||(t.doCopyAllOn=!0,t.doCopyAllOff=!1,e.modified())},e.copyAllOff=()=>{!t.doCopyAllOn&&t.doCopyAllOff||(t.doCopyAllOn=!1,t.doCopyAllOff=!0,e.modified())},e.clearFieldFlags=()=>{t.copyFieldFlags={}},e.deepCopy=e=>{t.arrays=e.getArrays().map((e=>{const t=e.newClone();return t.deepCopy(e),{data:t}}))},e.copyFlags=e=>e.getCopyFieldFlags().map((e=>e)),e.reset=()=>t.arrays.forEach((e=>e.data.reset())),e.getMTime=()=>t.arrays.reduce(((e,t)=>t.data.getMTime()>e?t.data.getMTime():e),t.mtime),e.getNumberOfComponents=()=>t.arrays.reduce(((e,t)=>e+t.data.getNumberOfComponents()),0),e.getNumberOfTuples=()=>t.arrays.length>0?t.arrays[0].getNumberOfTuples():0,e.getState=()=>{const e=n();return e&&(e.arrays=t.arrays.map((e=>({data:e.data.getState()})))),e}}(e,t)}var Fs={newInstance:ln.newInstance(Bs,"vtkFieldData"),extend:Bs};const Ns={DEFAULT:0,SINGLE:1,DOUBLE:2};var ks={AttributeCopyOperations:{COPYTUPLE:0,INTERPOLATE:1,PASSDATA:2,ALLCOPY:3},AttributeLimitTypes:{MAX:0,EXACT:1,NOLIMIT:2},AttributeTypes:{SCALARS:0,VECTORS:1,NORMALS:2,TCOORDS:3,TENSORS:4,GLOBALIDS:5,PEDIGREEIDS:6,EDGEFLAG:7,NUM_ATTRIBUTES:8},CellGhostTypes:{DUPLICATECELL:1,HIGHCONNECTIVITYCELL:2,LOWCONNECTIVITYCELL:4,REFINEDCELL:8,EXTERIORCELL:16,HIDDENCELL:32},DesiredOutputPrecision:Ns,PointGhostTypes:{DUPLICATEPOINT:1,HIDDENPOINT:2},ghostArrayName:"vtkGhostType"};const{AttributeTypes:Gs,AttributeCopyOperations:Us}=ks,{vtkWarningMacro:_s}=ln;const Ks={activeScalars:-1,activeVectors:-1,activeTensors:-1,activeNormals:-1,activeTCoords:-1,activeGlobalIds:-1,activePedigreeIds:-1};function zs(e,t,n={}){Object.assign(t,Ks,n),Fs.extend(e,t,n),ln.setGet(e,t,["activeScalars","activeNormals","activeTCoords","activeVectors","activeTensors","activeGlobalIds","activePedigreeIds"]),t.arrays||(t.arrays={}),function(e,t){const n=["Scalars","Vectors","Normals","TCoords","Tensors","GlobalIds","PedigreeIds"];function r(e){let t=n.find((t=>Gs[t.toUpperCase()]===e||"number"!=typeof e&&t.toLowerCase()===e.toLowerCase()));return void 0===t&&(t=null),t}t.classHierarchy.push("vtkDataSetAttributes");const o={...e};e.checkNumberOfComponents=e=>!0,e.setAttribute=(n,o)=>{const a=r(o);if(n&&"PEDIGREEIDS"===a.toUpperCase()&&!n.isA("vtkDataArray"))return _s(`Cannot set attribute ${a}. The attribute must be a vtkDataArray.`),-1;if(n&&!e.checkNumberOfComponents(n,a))return _s(`Cannot set attribute ${a}. Incorrect number of components.`),-1;if(n){const r=e.addArray(n);t[`active${a}`]=r}else t[`active${a}`]=-1;return e.modified(),t[`active${a}`]},e.getAttributes=t=>n.filter((n=>e[`get${n}`]()===t)),e.setActiveAttributeByName=(t,n)=>e.setActiveAttributeByIndex(e.getArrayWithIndex(t).index,n),e.setActiveAttributeByIndex=(n,o)=>{const a=r(o);if(n>=0&&n<t.arrays.length){if("PEDIGREEIDS"!==a.toUpperCase()){const t=e.getArrayByIndex(n);if(!t.isA("vtkDataArray"))return _s(`Cannot set attribute ${a}. Only vtkDataArray subclasses can be set as active attributes.`),-1;if(!e.checkNumberOfComponents(t,a))return _s(`Cannot set attribute ${a}. Incorrect number of components.`),-1}return t[`active${a}`]=n,e.modified(),n}return-1===n&&(t[`active${a}`]=n,e.modified()),-1},e.getActiveAttribute=t=>{const n=r(t);return e[`get${n}`]()},e.removeAllArrays=()=>{n.forEach((e=>{t[`active${e}`]=-1})),o.removeAllArrays()},e.removeArrayByIndex=e=>(-1!==e&&n.forEach((n=>{e===t[`active${n}`]?t[`active${n}`]=-1:e<t[`active${n}`]&&(t[`active${n}`]-=1)})),o.removeArrayByIndex(e)),n.forEach((n=>{const r=`active${n}`;e[`get${n}`]=()=>e.getArrayByIndex(t[r]),e[`set${n}`]=t=>e.setAttribute(t,n),e[`setActive${n}`]=t=>e.setActiveAttributeByIndex(e.getArrayWithIndex(t).index,n),e[`copy${n}Off`]=()=>{const e=n.toUpperCase();t.copyAttributeFlags[Us.PASSDATA][Gs[e]]=!1},e[`copy${n}On`]=()=>{const e=n.toUpperCase();t.copyAttributeFlags[Us.PASSDATA][Gs[e]]=!0}})),e.initializeAttributeCopyFlags=()=>{t.copyAttributeFlags=[],Object.keys(Us).filter((e=>"ALLCOPY"!==e)).forEach((e=>{t.copyAttributeFlags[Us[e]]=Object.keys(Gs).filter((e=>"NUM_ATTRIBUTES"!==e)).reduce(((e,t)=>(e[Gs[t]]=!0,e)),[])})),t.copyAttributeFlags[Us.COPYTUPLE][Gs.GLOBALIDS]=!1,t.copyAttributeFlags[Us.INTERPOLATE][Gs.GLOBALIDS]=!1,t.copyAttributeFlags[Us.COPYTUPLE][Gs.PEDIGREEIDS]=!1},e.initialize=ln.chain(e.initialize,e.initializeAttributeCopyFlags),t.dataArrays&&Object.keys(t.dataArrays).length&&Object.keys(t.dataArrays).forEach((n=>{t.dataArrays[n].ref||"vtkDataArray"!==t.dataArrays[n].type||e.addArray(Os.newInstance(t.dataArrays[n]))}));const a=e.shallowCopy;e.shallowCopy=(e,n)=>{a(e,n),t.arrays=e.getArrays().map((e=>{const t=e.newClone();return t.shallowCopy(e,n),{data:t}}))},e.initializeAttributeCopyFlags()}(e,t)}var Ws={newInstance:ln.newInstance(zs,"vtkDataSetAttributes"),extend:zs,...ks};var Hs={FieldDataTypes:{UNIFORM:0,DATA_OBJECT_FIELD:0,COORDINATE:1,POINT_DATA:1,POINT:2,POINT_FIELD_DATA:2,CELL:3,CELL_FIELD_DATA:3,VERTEX:4,VERTEX_FIELD_DATA:4,EDGE:5,EDGE_FIELD_DATA:5,ROW:6,ROW_DATA:6},FieldAssociations:{FIELD_ASSOCIATION_POINTS:0,FIELD_ASSOCIATION_CELLS:1,FIELD_ASSOCIATION_NONE:2,FIELD_ASSOCIATION_POINTS_THEN_CELLS:3,FIELD_ASSOCIATION_VERTICES:4,FIELD_ASSOCIATION_EDGES:5,FIELD_ASSOCIATION_ROWS:6,NUMBER_OF_ASSOCIATIONS:7}};const js=["pointData","cellData","fieldData"];const Xs={};function qs(e,t,n={}){Object.assign(t,Xs,n),ln.obj(e,t),ln.setGet(e,t,js),ln.getArray(e,t,["bounds"],6),function(e,t){t.classHierarchy.push("vtkDataSet"),js.forEach((e=>{t[e]?t[e]=it(t[e]):t[e]=Ws.newInstance()})),e.computeBounds=()=>{if(t.modifiedTime&&t.computeTime&&t.modifiedTime>t.computeTime||!t.computeTime){const n=e.getPoints();n?.getNumberOfPoints()?ji.setBounds(t.bounds,n.getBoundsByReference()):t.bounds=Wa.createUninitializedBounds(),t.computeTime=ln.getCurrentGlobalMTime()}},e.getLength2=()=>{const t=e.getBoundsByReference();return t&&6===t.length?ji.getDiagonalLength2(t):0},e.getLength=()=>Math.sqrt(e.getLength2()),e.getCenter=()=>{const t=e.getBoundsByReference();return t&&6===t.length?ji.getCenter(t):[0,0,0]},e.getCellBounds=t=>{const n=e.getCell(t);return n?n.getBounds():Wa.createUninitializedBounds()},e.getBounds=ln.chain((()=>e.computeBounds),e.getBounds),e.getBoundsByReference=ln.chain((()=>e.computeBounds),e.getBoundsByReference);const n=e.shallowCopy;e.shallowCopy=(e,r=!1)=>{n(e,r),js.forEach((n=>{t[n]=Ws.newInstance(),t[n].shallowCopy(e.getReferenceByName(n))}))};const r=e.getMTime;e.getMTime=()=>js.reduce(((e,n)=>Math.max(e,t[n]?.getMTime()??e)),r()),e.initialize=()=>(js.forEach((e=>t[e]?.initialize())),e)}(e,t)}var Ys={newInstance:ln.newInstance(qs,"vtkDataSet"),extend:qs,...Hs};const Js={UNCHANGED:0,SINGLE_POINT:1,X_LINE:2,Y_LINE:3,Z_LINE:4,XY_PLANE:5,YZ_PLANE:6,XZ_PLANE:7,XYZ_GRID:8,EMPTY:9};var Zs={StructuredType:Js};const{StructuredType:Qs}=Zs;var $s={getDataDescriptionFromExtent:function(e){let t=0;for(let n=0;n<3;++n)e[2*n]<e[2*n+1]&&t++;return e[0]>e[1]||e[2]>e[3]||e[4]>e[5]?Qs.EMPTY:3===t?Qs.XYZ_GRID:2===t?e[0]===e[1]?Qs.YZ_PLANE:e[2]===e[3]?Qs.XZ_PLANE:Qs.XY_PLANE:1===t?e[0]<e[1]?Qs.X_LINE:e[2]<e[3]?Qs.Y_LINE:Qs.Z_LINE:Qs.SINGLE_POINT},...Zs};const{vtkErrorMacro:el}=ln;const tl={direction:null,indexToWorld:null,worldToIndex:null,spacing:[1,1,1],origin:[0,0,0],extent:[0,-1,0,-1,0,-1],dataDescription:Js.EMPTY};function nl(e,t,n={}){Object.assign(t,tl,n),Ys.extend(e,t,n),t.direction?Array.isArray(t.direction)&&(t.direction=new Float64Array(t.direction.slice(0,9))):t.direction=c(new Float64Array(9)),t.indexToWorld=new Float64Array(16),t.worldToIndex=new Float64Array(16),ln.get(e,t,["indexToWorld","worldToIndex"]),ln.setGetArray(e,t,["origin","spacing"],3),ln.setGetArray(e,t,["direction"],9),ln.getArray(e,t,["extent"],6),function(e,t){t.classHierarchy.push("vtkImageData"),e.setExtent=(...n)=>{if(t.deleted)return el("instance deleted - cannot call any method"),!1;const r=1===n.length?n[0]:n;if(6!==r.length)return!1;const o=t.extent.some(((e,t)=>e!==r[t]));return o&&(t.extent=r.slice(),t.dataDescription=$s.getDataDescriptionFromExtent(t.extent),e.modified()),o},e.setDimensions=(...n)=>{let r,o,a;if(t.deleted)el("instance deleted - cannot call any method");else{if(1===n.length){const e=n[0];r=e[0],o=e[1],a=e[2]}else{if(3!==n.length)return void el("Bad dimension specification");r=n[0],o=n[1],a=n[2]}e.setExtent(0,r-1,0,o-1,0,a-1)}},e.getDimensions=()=>[t.extent[1]-t.extent[0]+1,t.extent[3]-t.extent[2]+1,t.extent[5]-t.extent[4]+1],e.getNumberOfCells=()=>{const t=e.getDimensions();let n=1;for(let e=0;e<3;e++){if(0===t[e])return 0;t[e]>1&&(n*=t[e]-1)}return n},e.getNumberOfPoints=()=>{const t=e.getDimensions();return t[0]*t[1]*t[2]},e.getPoint=n=>{const r=e.getDimensions();if(0===r[0]||0===r[1]||0===r[2])return el("Requesting a point from an empty image."),null;const o=new Float64Array(3);switch(t.dataDescription){case Js.EMPTY:return null;case Js.SINGLE_POINT:break;case Js.X_LINE:o[0]=n;break;case Js.Y_LINE:o[1]=n;break;case Js.Z_LINE:o[2]=n;break;case Js.XY_PLANE:o[0]=n%r[0],o[1]=n/r[0];break;case Js.YZ_PLANE:o[1]=n%r[1],o[2]=n/r[1];break;case Js.XZ_PLANE:o[0]=n%r[0],o[2]=n/r[0];break;case Js.XYZ_GRID:o[0]=n%r[0],o[1]=n/r[0]%r[1],o[2]=n/(r[0]*r[1]);break;default:el("Invalid dataDescription")}const a=[0,0,0];return e.indexToWorld(o,a),a},e.getBounds=()=>e.extentToBounds(e.getSpatialExtent()),e.extentToBounds=e=>ji.transformBounds(e,t.indexToWorld),e.getSpatialExtent=()=>ji.inflate([...t.extent],.5),e.computeTransforms=()=>{R(t.indexToWorld,t.origin),t.indexToWorld[0]=t.direction[0],t.indexToWorld[1]=t.direction[1],t.indexToWorld[2]=t.direction[2],t.indexToWorld[4]=t.direction[3],t.indexToWorld[5]=t.direction[4],t.indexToWorld[6]=t.direction[5],t.indexToWorld[8]=t.direction[6],t.indexToWorld[9]=t.direction[7],t.indexToWorld[10]=t.direction[8],S(t.indexToWorld,t.indexToWorld,t.spacing),A(t.worldToIndex,t.indexToWorld)},e.indexToWorld=(e,n=[])=>(oe(n,e,t.indexToWorld),n),e.indexToWorldVec3=e.indexToWorld,e.worldToIndex=(e,n=[])=>(oe(n,e,t.worldToIndex),n),e.worldToIndexVec3=e.worldToIndex,e.indexToWorldBounds=(e,n=[])=>ji.transformBounds(e,t.indexToWorld,n),e.worldToIndexBounds=(e,n=[])=>ji.transformBounds(e,t.worldToIndex,n),t._onOriginChanged=e.computeTransforms,t._onDirectionChanged=e.computeTransforms,t._onSpacingChanged=e.computeTransforms,e.computeTransforms(),e.getCenter=()=>ji.getCenter(e.getBounds()),e.computeHistogram=(t,n=null)=>{const r=[0,0,0,0,0,0];e.worldToIndexBounds(t,r);const o=[0,0,0],a=[0,0,0];ji.computeCornerPoints(r,o,a),ua(o,o),ua(a,a);const i=e.getDimensions();Da(o,[0,0,0],[i[0]-1,i[1]-1,i[2]-1],o),Da(a,[0,0,0],[i[0]-1,i[1]-1,i[2]-1],a);const s=i[0],l=i[0]*i[1],c=e.getPointData().getScalars().getData();let u=-1/0,d=1/0,p=0,f=0,g=0;for(let e=o[2];e<=a[2];e++)for(let t=o[1];t<=a[1];t++){let i=o[0]+t*s+e*l;for(let s=o[0];s<=a[0];s++){if(!n||n([s,t,e],r)){const e=c[i];e>u&&(u=e),e<d&&(d=e),p+=e*e,f+=e,g+=1}++i}}const m=g>0?f/g:0,h=g?Math.abs(p/g-m*m):0;return{minimum:d,maximum:u,average:m,variance:h,sigma:Math.sqrt(h),count:g}},e.computeIncrements=(e,t=1)=>{const n=[];let r=t;for(let t=0;t<3;++t)n[t]=r,r*=e[2*t+1]-e[2*t]+1;return n},e.computeOffsetIndex=([t,n,r])=>{const o=e.getExtent(),a=e.getPointData().getScalars().getNumberOfComponents(),i=e.computeIncrements(o,a);return Math.floor((Math.round(t)-o[0])*i[0]+(Math.round(n)-o[2])*i[1]+(Math.round(r)-o[4])*i[2])},e.getOffsetIndexFromWorld=t=>{const n=e.getExtent(),r=e.worldToIndex(t);for(let e=0;e<3;++e)if(r[e]<n[2*e]||r[e]>n[2*e+1])return el(`GetScalarPointer: Pixel ${r} is not in memory. 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Current Scalar numberOfComponents: ${r}`),NaN;const o=e.getOffsetIndexFromWorld(t);return Number.isNaN(o)?o:e.getPointData().getScalars().getComponent(o,n)};const n=e.initialize;e.initialize=()=>(e.set({direction:c(t.direction),spacing:[1,1,1],origin:[0,0,0],extent:[0,-1,0,-1,0,-1],dataDescription:Js.EMPTY}),n())}(e,t)}var rl={newInstance:ln.newInstance(nl,"vtkImageData"),extend:nl};const ol={LUMINANCE:1,LUMINANCE_ALPHA:2,RGB:3,RGBA:4};var al={VectorMode:{MAGNITUDE:0,COMPONENT:1,RGBCOLORS:2},ScalarMappingTarget:ol,Scale:{LINEAR:0,LOG10:1}};var il={ColorMode:{DEFAULT:0,MAP_SCALARS:1,DIRECT_SCALARS:2},GetArray:{BY_ID:0,BY_NAME:1},ScalarMode:{DEFAULT:0,USE_POINT_DATA:1,USE_CELL_DATA:2,USE_POINT_FIELD_DATA:3,USE_CELL_FIELD_DATA:4,USE_FIELD_DATA:5}};const{ScalarMappingTarget:sl,Scale:ll,VectorMode:cl}=al,{VtkDataTypes:ul}=Os,{ColorMode:dl}=il,{vtkErrorMacro:pl}=ln;function fl(e){return e}function gl(e){return Math.floor(255*e+.5)}const ml={alpha:1,vectorComponent:0,vectorSize:-1,vectorMode:cl.COMPONENT,mappingRange:null,annotationArray:null,annotatedValueMap:null,indexedLookup:!1,scale:ll.LINEAR};function hl(e,t,n={}){Object.assign(t,ml,n),ln.obj(e,t),t.mappingRange=[0,255],t.annotationArray=[],t.annotatedValueMap=[],ln.setGet(e,t,["vectorSize","vectorComponent","vectorMode","alpha","indexedLookup"]),ln.setArray(e,t,["mappingRange"],2),ln.getArray(e,t,["mappingRange"]),function(e,t){t.classHierarchy.push("vtkScalarsToColors"),e.setVectorModeToMagnitude=()=>e.setVectorMode(cl.MAGNITUDE),e.setVectorModeToComponent=()=>e.setVectorMode(cl.COMPONENT),e.setVectorModeToRGBColors=()=>e.setVectorMode(cl.RGBCOLORS),e.build=()=>{},e.isOpaque=()=>!0,e.setAnnotations=(n,r)=>{if(!(n&&!r||!n&&r))if(n&&r&&n.length!==r.length)pl("Values and annotations do not have the same number of tuples so ignoring");else{if(t.annotationArray=[],r&&n){const e=r.length;for(let o=0;o<e;o++)t.annotationArray.push({value:n[o],annotation:String(r[o])})}e.updateAnnotatedValueMap(),e.modified()}},e.setAnnotation=(n,r)=>{let o=e.checkForAnnotatedValue(n),a=!1;return o>=0?t.annotationArray[o].annotation!==r&&(t.annotationArray[o].annotation=r,a=!0):(t.annotationArray.push({value:n,annotation:r}),o=t.annotationArray.length-1,a=!0),a&&(e.updateAnnotatedValueMap(),e.modified()),o},e.getNumberOfAnnotatedValues=()=>t.annotationArray.length,e.getAnnotatedValue=e=>e<0||e>=t.annotationArray.length?null:t.annotationArray[e].value,e.getAnnotation=e=>void 0===t.annotationArray[e]?null:t.annotationArray[e].annotation,e.getAnnotatedValueIndex=n=>t.annotationArray.length?e.checkForAnnotatedValue(n):-1,e.removeAnnotation=n=>{const r=e.checkForAnnotatedValue(n),o=r>=0;return o&&(t.annotationArray.splice(r,1),e.updateAnnotatedValueMap(),e.modified()),o},e.resetAnnotations=()=>{t.annotationArray=[],t.annotatedValueMap=[],e.modified()},e.getAnnotationColor=(n,r)=>{if(t.indexedLookup){const t=e.getAnnotatedValueIndex(n);e.getIndexedColor(t,r)}else e.getColor(parseFloat(n),r),r[3]=1},e.checkForAnnotatedValue=t=>e.getAnnotatedValueIndexInternal(t),e.getAnnotatedValueIndexInternal=e=>{if(void 0!==t.annotatedValueMap[e]){const n=t.annotationArray.length;return t.annotatedValueMap[e]%n}return-1},e.getIndexedColor=(e,t)=>{t[0]=0,t[1]=0,t[2]=0,t[3]=0},e.updateAnnotatedValueMap=()=>{t.annotatedValueMap=[];const e=t.annotationArray.length;for(let n=0;n<e;n++)t.annotatedValueMap[t.annotationArray[n].value]=n},e.mapScalars=(t,n,r)=>{const o=t.getNumberOfComponents();let a=null;if(n===dl.DEFAULT&&(t.getDataType()===ul.UNSIGNED_CHAR||t.getDataType()===ul.UNSIGNED_CHAR_CLAMPED)||n===dl.DIRECT_SCALARS&&t)a=e.convertToRGBA(t,o,t.getNumberOfTuples());else{const n={type:"vtkDataArray",name:"temp",numberOfComponents:4,dataType:ul.UNSIGNED_CHAR},i=ln.newTypedArray(n.dataType,4*t.getNumberOfTuples());n.values=i,n.size=i.length,a=Os.newInstance(n);let s=r;s<0&&o>1?e.mapVectorsThroughTable(t,a,sl.RGBA,-1,-1):(s<0&&(s=0),s>=o&&(s=o-1),e.mapScalarsThroughTable(t,a,sl.RGBA,s))}return a},e.mapVectorsToMagnitude=(e,t,n)=>{const r=e.getNumberOfTuples(),o=e.getNumberOfComponents(),a=t.getData(),i=e.getData();for(let e=0;e<r;e++){let t=0;for(let r=0;r<n;r++)t+=i[e*o+r]*i[e*o+r];a[e]=Math.sqrt(t)}},e.mapVectorsThroughTable=(t,n,r,o,a)=>{let i=e.getVectorMode(),s=a,l=o;const c=t.getNumberOfComponents();i===cl.COMPONENT?(-1===l&&(l=e.getVectorComponent()),l<0&&(l=0),l>=c&&(l=c-1)):(-1===s&&(s=e.getVectorSize()),s<=0?(l=0,s=c):(l<0&&(l=0),l>=c&&(l=c-1),l+s>c&&(s=c-l)),i!==cl.MAGNITUDE||1!==c&&1!==s||(i=cl.COMPONENT));let u=0;switch(l>0&&(u=l),i){case cl.COMPONENT:e.mapScalarsThroughTable(t,n,r,u);break;case cl.RGBCOLORS:break;case cl.MAGNITUDE:default:{const o=Os.newInstance({numberOfComponents:1,values:new Float32Array(t.getNumberOfTuples())});e.mapVectorsToMagnitude(t,o,s),e.mapScalarsThroughTable(o,n,r,0);break}}},e.luminanceToRGBA=(e,t,n,r)=>{const o=r(n),a=t.getData(),i=e.getData(),s=a.length;let l=0;for(let e=0;e<s;e+=1){const t=r(a[e]);i[4*l]=t,i[4*l+1]=t,i[4*l+2]=t,i[4*l+3]=o,l++}},e.luminanceAlphaToRGBA=(e,t,n,r)=>{const o=t.getData(),a=e.getData(),i=o.length;let s=0;for(let e=0;e<i;e+=2){const t=r(o[e]);a[s]=t,a[s+1]=t,a[s+2]=t,a[s+3]=r(o[e+1])*n,s+=4}},e.rGBToRGBA=(e,t,n,r)=>{const o=gl(n),a=t.getData(),i=e.getData(),s=a.length;let l=0;for(let e=0;e<s;e+=3)i[4*l]=r(a[e]),i[4*l+1]=r(a[e+1]),i[4*l+2]=r(a[e+2]),i[4*l+3]=o,l++},e.rGBAToRGBA=(e,t,n,r)=>{const o=t.getData(),a=e.getData(),i=o.length;let s=0;for(let e=0;e<i;e+=4)a[4*s]=r(o[e]),a[4*s+1]=r(o[e+1]),a[4*s+2]=r(o[e+2]),a[4*s+3]=r(o[e+3])*n,s++},e.convertToRGBA=(n,r,o)=>{let{alpha:a}=t;if(4===r&&a>=1&&n.getDataType()===ul.UNSIGNED_CHAR)return n;const i=Os.newInstance({numberOfComponents:4,empty:!0,size:4*o,dataType:ul.UNSIGNED_CHAR});if(o<=0)return i;a=a>0?a:0,a=a<1?a:1;let s=fl;switch(n.getDataType()!==ul.FLOAT&&n.getDataType()!==ul.DOUBLE||(s=gl),r){case 1:e.luminanceToRGBA(i,n,a,s);break;case 2:e.luminanceAlphaToRGBA(i,n,s);break;case 3:e.rGBToRGBA(i,n,a,s);break;case 4:e.rGBAToRGBA(i,n,a,s);break;default:return pl("Cannot convert colors"),null}return i},e.usingLogScale=()=>!1,e.getNumberOfAvailableColors=()=>16777216,e.setRange=(t,n)=>e.setMappingRange(t,n),e.getRange=()=>e.getMappingRange(),e.areScalarsOpaque=(n,r,o)=>{if(!n)return e.isOpaque();const a=n.getNumberOfComponents();return(r!==dl.DEFAULT||n.getDataType()!==ul.UNSIGNED_CHAR)&&r!==dl.DIRECT_SCALARS||(3===a||1===a?t.alpha>=1:255===n.getRange(a-1)[0])}}(e,t)}var vl={newInstance:ln.newInstance(hl,"vtkScalarsToColors"),extend:hl,...al};const{vtkErrorMacro:Tl}=ln;const xl={numberOfColors:256,hueRange:[0,.66667],saturationRange:[1,1],valueRange:[1,1],alphaRange:[1,1],nanColor:[.5,0,0,1],belowRangeColor:[0,0,0,1],aboveRangeColor:[1,1,1,1],useAboveRangeColor:!1,useBelowRangeColor:!1,alpha:1};function bl(e,t,n={}){Object.assign(t,xl,n),vl.extend(e,t,n),t.table||(t.table=[]),t.buildTime={},ln.obj(t.buildTime),t.opaqueFlagBuildTime={},ln.obj(t.opaqueFlagBuildTime,{mtime:0}),t.insertTime={},ln.obj(t.insertTime,{mtime:0}),ln.get(e,t,["buildTime"]),ln.setGet(e,t,["numberOfColors","useAboveRangeColor","useBelowRangeColor"]),ln.setArray(e,t,["alphaRange","hueRange","saturationRange","valueRange"],2),ln.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),ln.getArray(e,t,["hueRange","saturationRange","valueRange","alphaRange","nanColor","belowRangeColor","aboveRangeColor"]),function(e,t){t.classHierarchy.push("vtkLookupTable"),e.isOpaque=()=>{if(t.opaqueFlagBuildTime.getMTime()<e.getMTime()){let e=!0;t.nanColor[3]<1&&(e=0),t.useBelowRangeColor&&t.belowRangeColor[3]<1&&(e=0),t.useAboveRangeColor&&t.aboveRangeColor[3]<1&&(e=0);for(let n=3;n<t.table.length&&e;n+=4)t.table[n]<255&&(e=!1);t.opaqueFlag=e,t.opaqueFlagBuildTime.modified()}return t.opaqueFlag},e.usingLogScale=()=>!1,e.getNumberOfAvailableColors=()=>t.table.length/4-3,e.linearIndexLookup=(e,t)=>{let n=0;const r=Number(e);return r<t.range[0]?n=t.maxIndex+0+1.5:r>t.range[1]?n=t.maxIndex+1+1.5:(n=(r+t.shift)*t.scale,n=n<t.maxIndex?n:t.maxIndex),Math.floor(n)},e.linearLookup=(t,n,r)=>{let o=0;o=Ga(t)?Math.floor(r.maxIndex+1.5+2):e.linearIndexLookup(t,r);const a=4*o;return n.slice(a,a+4)},e.indexedLookupFunction=(n,r,o)=>{let a=e.getAnnotatedValueIndexInternal(n);-1===a&&(a=t.numberOfColors+2);const i=4*a;return[r[i],r[i+1],r[i+2],r[i+3]]},e.lookupShiftAndScale=(e,t)=>{t.shift=-e[0],t.scale=Number.MAX_VALUE,e[1]>e[0]&&(t.scale=(t.maxIndex+1)/(e[1]-e[0]))},e.mapScalarsThroughTable=(n,r,o,a)=>{let i=e.linearLookup;t.indexedLookup&&(i=e.indexedLookupFunction);const s=e.getMappingRange(),l={maxIndex:e.getNumberOfColors()-1,range:s,shift:0,scale:0};e.lookupShiftAndScale(s,l);const c=e.getAlpha(),u=n.getNumberOfTuples(),d=n.getNumberOfComponents(),p=r.getData(),f=n.getData();if(c>=1){if(o===ol.RGBA)for(let e=0;e<u;e++){const n=i(f[e*d+a],t.table,l);p[4*e]=n[0],p[4*e+1]=n[1],p[4*e+2]=n[2],p[4*e+3]=n[3]}}else if(o===ol.RGBA)for(let e=0;e<u;e++){const n=i(f[e*d+a],t.table,l);p[4*e]=n[0],p[4*e+1]=n[1],p[4*e+2]=n[2],p[4*e+3]=Math.floor(n[3]*c+.5)}},e.forceBuild=()=>{let n=0,r=0,o=0,a=0;const i=t.numberOfColors-1;i&&(n=(t.hueRange[1]-t.hueRange[0])/i,r=(t.saturationRange[1]-t.saturationRange[0])/i,o=(t.valueRange[1]-t.valueRange[0])/i,a=(t.alphaRange[1]-t.alphaRange[0])/i),t.table.length=4*i+16;const s=[],l=[];for(let e=0;e<=i;e++)s[0]=t.hueRange[0]+e*n,s[1]=t.saturationRange[0]+e*r,s[2]=t.valueRange[0]+e*o,Aa(s,l),l[3]=t.alphaRange[0]+e*a,t.table[4*e]=255*l[0]+.5,t.table[4*e+1]=255*l[1]+.5,t.table[4*e+2]=255*l[2]+.5,t.table[4*e+3]=255*l[3]+.5;e.buildSpecialColors(),t.buildTime.modified()},e.setTable=n=>{if(Array.isArray(n)){const r=n[0].length;t.numberOfColors=n.length;const o=4-r;let a=0;for(let e=0;e<t.numberOfColors;e++)t.table[4*e]=255,t.table[4*e+1]=255,t.table[4*e+2]=255,t.table[4*e+3]=255;for(let e=0;e<n.length;e++){const i=n[e];for(let e=0;e<r;e++)t.table[a++]=i[e];a+=o}return e.buildSpecialColors(),t.insertTime.modified(),e.modified(),!0}if(4!==n.getNumberOfComponents())return Tl("Expected 4 components for RGBA colors"),!1;if(n.getDataType()!==hs.UNSIGNED_CHAR)return Tl("Expected unsigned char values for RGBA colors"),!1;t.numberOfColors=n.getNumberOfTuples();const r=n.getData();t.table.length=r.length;for(let e=0;e<r.length;e++)t.table[e]=r[e];return e.buildSpecialColors(),t.insertTime.modified(),e.modified(),!0},e.buildSpecialColors=()=>{const{numberOfColors:e}=t,n=t.table;let r=4*(e+0);t.useBelowRangeColor||0===e?(n[r]=255*t.belowRangeColor[0]+.5,n[r+1]=255*t.belowRangeColor[1]+.5,n[r+2]=255*t.belowRangeColor[2]+.5,n[r+3]=255*t.belowRangeColor[3]+.5):(n[r]=n[0],n[r+1]=n[1],n[r+2]=n[2],n[r+3]=n[3]),r=4*(e+1),t.useAboveRangeColor||0===e?(n[r]=255*t.aboveRangeColor[0]+.5,n[r+1]=255*t.aboveRangeColor[1]+.5,n[r+2]=255*t.aboveRangeColor[2]+.5,n[r+3]=255*t.aboveRangeColor[3]+.5):(n[r]=n[4*(e-1)+0],n[r+1]=n[4*(e-1)+1],n[r+2]=n[4*(e-1)+2],n[r+3]=n[4*(e-1)+3]),r=4*(e+2),n[r]=255*t.nanColor[0]+.5,n[r+1]=255*t.nanColor[1]+.5,n[r+2]=255*t.nanColor[2]+.5,n[r+3]=255*t.nanColor[3]+.5},e.build=()=>{(t.table.length<1||e.getMTime()>t.buildTime.getMTime()&&t.insertTime.getMTime()<=t.buildTime.getMTime())&&e.forceBuild()},t.table.length>0&&(e.buildSpecialColors(),t.insertTime.modified())}(e,t)}var Al={newInstance:ln.newInstance(bl,"vtkLookupTable"),extend:bl};const yl={Off:0,PolygonOffset:1};let Cl=yl.PolygonOffset,Sl=yl.Off;const Pl=["VTK_RESOLVE_OFF","VTK_RESOLVE_POLYGON_OFFSET"];function wl(e=0){const t=Sl===e;return Sl=e,t}var Il={Resolve:yl,getResolveCoincidentTopologyAsString:function(){return Pl[Sl]},getResolveCoincidentTopologyPolygonOffsetFaces:function(){return Cl},getResolveCoincidentTopology:function(){return Sl},setResolveCoincidentTopology:wl,setResolveCoincidentTopologyPolygonOffsetFaces:function(e){const t=Cl===e;return Cl=e,t},setResolveCoincidentTopologyToDefault:function(){return wl(yl.Off)},setResolveCoincidentTopologyToOff:function(){return wl(yl.Off)},setResolveCoincidentTopologyToPolygonOffset:function(){return wl(yl.PolygonOffset)}};function Ol(e,t,n){n.forEach((n=>{e[`get${n.method}`]=()=>t[n.key],e[`set${n.method}`]=ln.objectSetterMap.object(e,t,{name:n.key,params:["factor","offset"]})}))}const Rl=["Polygon","Line","Point"],Ml={modified:()=>{}};Ol(Ml,{Polygon:{factor:2,offset:0},Line:{factor:1,offset:-1},Point:{factor:0,offset:-2}},Rl.map((e=>({key:e,method:`ResolveCoincidentTopology${e}OffsetParameters`}))));var Dl={implementCoincidentTopologyMethods:function(e,t){void 0===t.resolveCoincidentTopology&&(t.resolveCoincidentTopology=!1),ln.setGet(e,t,["resolveCoincidentTopology"]),t.topologyOffset={Polygon:{factor:0,offset:0},Line:{factor:0,offset:0},Point:{factor:0,offset:0}},Object.keys(Il).forEach((t=>{e[t]=Il[t]})),Object.keys(Ml).filter((e=>"modified"!==e)).forEach((t=>{e[t]=Ml[t]})),Ol(e,t.topologyOffset,Rl.map((e=>({key:e,method:`RelativeCoincidentTopology${e}OffsetParameters`})))),e.getCoincidentTopologyPolygonOffsetParameters=()=>{const t=Ml.getResolveCoincidentTopologyPolygonOffsetParameters(),n=e.getRelativeCoincidentTopologyPolygonOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyLineOffsetParameters=()=>{const t=Ml.getResolveCoincidentTopologyLineOffsetParameters(),n=e.getRelativeCoincidentTopologyLineOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyPointOffsetParameter=()=>{const t=Ml.getResolveCoincidentTopologyPointOffsetParameters(),n=e.getRelativeCoincidentTopologyPointOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}}},staticOffsetAPI:Ml,otherStaticMethods:Il,CATEGORIES:Rl,Resolve:yl};const El={MIN_KNOWN_PASS:0,ACTOR_PASS:0,COMPOSITE_INDEX_PASS:1,ID_LOW24:2,ID_HIGH24:3,MAX_KNOWN_PASS:3};var Vl={PassTypes:El};const{FieldAssociations:Ll}=Ys,{staticOffsetAPI:Bl,otherStaticMethods:Fl}=Dl,{ColorMode:Nl,ScalarMode:kl,GetArray:Gl}=il,{VectorMode:Ul}=al,{VtkDataTypes:_l}=Os;function Kl(e){return()=>ln.vtkErrorMacro(`vtkMapper::${e} - NOT IMPLEMENTED`)}function zl(e,t){const n=e[1]%2==0?1:-1;if(e[0]+=n,e[0]>=t[0]||e[0]<0){const r=e[2]%2==0?1:-1;e[0]-=n,e[1]+=r,(e[1]>=t[1]||e[1]<0)&&(e[1]-=r,e[2]++)}}function Wl(e,t,n){const r=Math.floor(t),o=r%(2*n[0]);let a,i;o<n[0]?(e[0]=o,a=1,i=e[0]===n[0]-1):(e[0]=2*n[0]-1-o,a=-1,i=0===e[0]);const s=Math.floor(r/n[0]),l=s%(2*n[1]);let c,u;l<n[1]?(e[1]=l,c=1,u=e[1]===n[1]-1):(e[1]=2*n[1]-1-l,c=-1,u=0===e[1]),e[2]=Math.floor(s/n[1]);const d=t-r;i?u?e[2]+=d:e[1]+=c*d:e[0]+=a*d,e[0]=(e[0]+.5)/n[0],e[1]=(e[1]+.5)/n[1],e[2]=(e[2]+.5)/n[2]}const Hl=new WeakMap;function jl(e,t){t.classHierarchy.push("vtkMapper"),e.computeBounds=()=>{const n=e.getInputData();n?(t.static||e.update(),ji.setBounds(t.bounds,n.getBounds())):ji.reset(t.bounds)},e.setForceCompileOnly=e=>{t.forceCompileOnly=e},e.setSelectionWebGLIdsToVTKIds=e=>{t.selectionWebGLIdsToVTKIds=e},e.createDefaultLookupTable=()=>{t.lookupTable=Al.newInstance()},e.getColorModeAsString=()=>ln.enumToString(Nl,t.colorMode),e.setColorModeToDefault=()=>e.setColorMode(0),e.setColorModeToMapScalars=()=>e.setColorMode(1),e.setColorModeToDirectScalars=()=>e.setColorMode(2),e.getScalarModeAsString=()=>ln.enumToString(kl,t.scalarMode),e.setScalarModeToDefault=()=>e.setScalarMode(0),e.setScalarModeToUsePointData=()=>e.setScalarMode(1),e.setScalarModeToUseCellData=()=>e.setScalarMode(2),e.setScalarModeToUsePointFieldData=()=>e.setScalarMode(3),e.setScalarModeToUseCellFieldData=()=>e.setScalarMode(4),e.setScalarModeToUseFieldData=()=>e.setScalarMode(5),e.getAbstractScalars=(e,n,r,o,a)=>{if(!e||!t.scalarVisibility)return{scalars:null,cellFlag:!1};let i=null,s=!1;if(n===kl.DEFAULT)i=e.getPointData().getScalars(),i||(i=e.getCellData().getScalars(),s=!0);else if(n===kl.USE_POINT_DATA)i=e.getPointData().getScalars();else if(n===kl.USE_CELL_DATA)i=e.getCellData().getScalars(),s=!0;else if(n===kl.USE_POINT_FIELD_DATA){const t=e.getPointData();i=r===Gl.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===kl.USE_CELL_FIELD_DATA){const t=e.getCellData();s=!0,i=r===Gl.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===kl.USE_FIELD_DATA){const t=e.getFieldData();i=r===Gl.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}return{scalars:i,cellFlag:s}},e.mapScalars=(n,r)=>{const{scalars:o,cellFlag:a}=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName);if(t.areScalarsMappedFromCells=a,!o)return t.colorCoordinates=null,t.colorTextureMap=null,void(t.colorMapColors=null);const i=`${e.getMTime()}${o.getMTime()}${r}`;if(t.colorBuildString!==i){if(t.useLookupTableScalarRange||e.getLookupTable().setRange(t.scalarRange[0],t.scalarRange[1]),e.canUseTextureMapForColoring(o,a))t.mapScalarsToTexture(o,a,r);else{t.colorCoordinates=null,t.colorTextureMap=null;const n=e.getLookupTable();n&&(n.build(),t.colorMapColors=n.mapScalars(o,t.colorMode,t.fieldDataTupleId))}t.colorBuildString=`${e.getMTime()}${o.getMTime()}${r}`}},t.mapScalarsToTexture=(n,r,o)=>{const a=t.lookupTable.getRange(),i=t.lookupTable.usingLogScale(),s=t.lookupTable.getAlpha(),l=i?[Math.log10(a[0]),Math.log10(a[1])]:a;if(t.colorMapColors=null,null==t.colorTextureMap||e.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getAlpha()!==o){t.lookupTable.setAlpha(o),t.colorTextureMap=null,t.lookupTable.build();const e=t.lookupTable.getNumberOfAvailableColors(),n=2048,a=2,d=r?n**3-3:4096-2;t.numberOfColorsInRange=Math.min(Math.max(e,a),d);const p=t.numberOfColorsInRange+3,f=t.numberOfColorsInRange+2,g=r?[Math.min(Math.ceil(p/n**0),n),Math.min(Math.ceil(p/n**1),n),Math.min(Math.ceil(p/n**2),n)]:[f,2,1],m=g[0]*g[1]*g[2],h=new Float64Array(m);h.fill(NaN);const v=t.numberOfColorsInRange,T=v+2,x=[0,0,0],b=l[0],A=l[1]-l[0];for(let e=0;e<T;++e){const t=b+A*(e-1)/(v-1),n=i?10**t:t;h[(u=g,(c=x)[0]+u[0]*(c[1]+u[1]*c[2]))]=n,zl(x,g)}const y=Os.newInstance({numberOfComponents:1,values:h}),C=t.lookupTable.mapScalars(y,t.colorMode,0);t.colorTextureMap=rl.newInstance(),t.colorTextureMap.setDimensions(g),t.colorTextureMap.getPointData().setScalars(C),t.lookupTable.setAlpha(s)}var c,u;const d=t.lookupTable.getVectorMode()===Ul.MAGNITUDE&&n.getNumberOfComponents()>1?-1:t.lookupTable.getVectorComponent();t.colorCoordinates=function(e,t,n,r,o,a,i){const s=new Array(arguments.length);for(let e=0;e<arguments.length;++e){const t=arguments[e];s[e]=t.getMTime?.()??t}const l=s.join("/"),c=Hl.get(e);if(c&&c.stringHash===l)return c.textureCoordinates;const u=(n[1]-n[0])/(o-1),[d,p]=[n[0]-u,n[1]+u],f=d-.5*u,g=1/(p-d+u),m=d,h=(o+1)/(p-d),v=e.getData(),T=e.getNumberOfTuples(),x=e.getNumberOfComponents(),b=t<0||t>=x,A=a[2]<=1?2:3,y=Os.newInstance({numberOfComponents:A,values:new Float32Array(T*A)}),C=y.getData(),S=[0,0,0];Wl(S,o+2,a);let P=0,w=0;const I=[.5,.5,.5];for(let e=0;e<T;++e){let e;if(b){let t=0;for(let e=0;e<x;++e){const n=Number(v[P+e]);t+=n*n}e=Math.sqrt(t)}else e=Number(v[P+t]);if(r&&(e=Math.log10(e)),P+=x,Ga(e))I[0]=S[0],I[1]=S[1],I[2]=S[2];else if(i){let t=(e-m)*h;t<1?t=0:t>o&&(t=o+1),Wl(I,t,a)}else{I[1]=.49;const t=(e-f)*g;I[0]=t>1e3?1e3:t<-1e3?-1e3:t}for(let e=0;e<A;++e)C[w++]=I[e]}return Hl.set(e,{stringHash:l,textureCoordinates:y}),y}(n,d,l,i,t.numberOfColorsInRange,t.colorTextureMap.getDimensions(),r)},e.getIsOpaque=()=>{const n=e.getInputData(),r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!t.scalarVisibility||null==r)return!0;const o=e.getLookupTable();return!o||(o.build(),o.areScalarsOpaque(r,t.colorMode,-1))},e.canUseTextureMapForColoring=(e,n)=>!(!n||t.colorMode===Nl.DIRECT_SCALARS)||!!t.interpolateScalarsBeforeMapping&&((!t.lookupTable||!t.lookupTable.getIndexedLookup())&&(!!e&&((t.colorMode!==Nl.DEFAULT||e.getDataType()!==_l.UNSIGNED_CHAR)&&t.colorMode!==Nl.DIRECT_SCALARS))),e.clearColorArrays=()=>{t.colorMapColors=null,t.colorCoordinates=null,t.colorTextureMap=null},e.getLookupTable=()=>(t.lookupTable||e.createDefaultLookupTable(),t.lookupTable),e.getMTime=()=>{let e=t.mtime;if(null!==t.lookupTable){const n=t.lookupTable.getMTime();e=n>e?n:e}return e},e.getPrimitiveCount=()=>{const t=e.getInputData();return{points:t.getPoints().getNumberOfValues()/3,verts:t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells(),lines:t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells(),triangles:t.getPolys().getNumberOfValues()-3*t.getPolys().getNumberOfCells()}},e.acquireInvertibleLookupTable=Kl("AcquireInvertibleLookupTable"),e.valueToColor=Kl("ValueToColor"),e.colorToValue=Kl("ColorToValue"),e.useInvertibleColorFor=Kl("UseInvertibleColorFor"),e.clearInvertibleColor=Kl("ClearInvertibleColor"),e.processSelectorPixelBuffers=(e,n)=>{if(!e||!t.selectionWebGLIdsToVTKIds||!t.populateSelectionSettings)return;const r=e.getRawPixelBuffer(El.ID_LOW24),o=e.getRawPixelBuffer(El.ID_HIGH24),a=e.getCurrentPass(),i=e.getFieldAssociation();let s=null;i===Ll.FIELD_ASSOCIATION_POINTS?s=t.selectionWebGLIdsToVTKIds.points:i===Ll.FIELD_ASSOCIATION_CELLS&&(s=t.selectionWebGLIdsToVTKIds.cells),s&&n.forEach((t=>{if(a===El.ID_LOW24){let n=0;o&&(n+=o[t],n*=256),n+=r[t+2],n*=256,n+=r[t+1],n*=256,n+=r[t];const a=s[n],i=e.getPixelBuffer(El.ID_LOW24);i[t]=255&a,i[t+1]=(65280&a)>>8,i[t+2]=(16711680&a)>>16}else if(a===El.ID_HIGH24&&o){let n=0;n+=o[t],n*=256,n+=r[t+2],n*=256,n+=r[t+1],n*=256,n+=r[t];const a=s[n];e.getPixelBuffer(El.ID_HIGH24)[t]=(4278190080&a)>>24}}))}}const Xl={colorMapColors:null,areScalarsMappedFromCells:!1,static:!1,lookupTable:null,scalarVisibility:!0,scalarRange:[0,1],useLookupTableScalarRange:!1,colorMode:0,scalarMode:0,arrayAccessMode:1,renderTime:0,colorByArrayName:null,fieldDataTupleId:-1,populateSelectionSettings:!0,selectionWebGLIdsToVTKIds:null,interpolateScalarsBeforeMapping:!1,colorCoordinates:null,colorTextureMap:null,numberOfColorsInRange:0,forceCompileOnly:0,useInvertibleColors:!1,invertibleScalars:null,customShaderAttributes:[]};function ql(e,t,n={}){Object.assign(t,Xl,n),Ds.extend(e,t,n),ln.get(e,t,["areScalarsMappedFromCells","colorCoordinates","colorMapColors","colorTextureMap","numberOfColorsInRange","selectionWebGLIdsToVTKIds"]),ln.setGet(e,t,["colorByArrayName","arrayAccessMode","colorMode","fieldDataTupleId","interpolateScalarsBeforeMapping","lookupTable","populateSelectionSettings","renderTime","scalarMode","scalarVisibility","static","useLookupTableScalarRange","customShaderAttributes"]),ln.setGetArray(e,t,["scalarRange"],2),Dl.implementCoincidentTopologyMethods(e,t),jl(e,t)}var Yl={newInstance:ln.newInstance(ql,"vtkMapper"),extend:ql,...Bl,...Fl,...il};const{isVtkObject:Jl}=ln;function Zl(e){const t=[];for(let n=0;n<e.length;n+=e[n]+1)t.push(e[n]);return t}function Ql(e){let t=0;for(let n=0;n<e.length;)n+=e[n]+1,t++;return t}const $l={extractCellSizes:Zl,getNumberOfCells:Ql};function ec(e,t,n={}){Os.extend(e,t,function(e){return{empty:!0,numberOfComponents:1,dataType:hs.UNSIGNED_INT,...e}}(n)),function(e,t){t.classHierarchy.push("vtkCellArray");const n={...e};e.getNumberOfCells=n=>void 0===t.numberOfCells||n?(t.cellSizes?t.numberOfCells=t.cellSizes.length:t.numberOfCells=Ql(e.getData()),t.numberOfCells):t.numberOfCells,e.getCellSizes=n=>void 0===t.cellSizes||n?(t.cellSizes=Zl(e.getData()),t.cellSizes):t.cellSizes,e.resize=r=>{const o=e.getNumberOfTuples();n.resize(r);const a=e.getNumberOfTuples();a<o&&(0===a?(t.numberOfCells=0,t.cellSizes=[]):(t.numberOfCells=void 0,t.cellSizes=void 0))},e.setData=e=>{n.setData(e,1),t.numberOfCells=void 0,t.cellSizes=void 0},e.getCell=e=>{let n=e;const r=t.values[n++];return t.values.subarray(n,n+r)},e.insertNextCell=n=>{let r;r=Jl(n)?n.getPointsIds():n;const o=e.getNumberOfCells();return e.insertNextTuples([r.length,...r]),++t.numberOfCells,null!=t.cellSizes&&t.cellSizes.push(r.length),o},e.getMaxCellSize=()=>e.getCellSizes().reduce(((e,t)=>Math.max(e,t)),0)}(e,t)}var tc={newInstance:ln.newInstance(ec,"vtkCellArray"),extend:ec,...$l};const{vtkErrorMacro:nc}=ln;const rc={empty:!0,numberOfComponents:3,dataType:hs.FLOAT,bounds:[1,-1,1,-1,1,-1]};function oc(e,t,n={}){Object.assign(t,rc,n),Os.extend(e,t,n),ln.getArray(e,t,["bounds"],6),function(e,t){let n=0;t.classHierarchy.push("vtkPoints"),e.getNumberOfPoints=e.getNumberOfTuples,e.setNumberOfPoints=(n,r=3)=>{e.getNumberOfPoints()!==n&&(t.size=n*r,t.values=ln.newTypedArray(t.dataType,t.size),e.setNumberOfComponents(r),e.modified())},e.setPoint=(t,...n)=>{e.setTuple(t,n)},e.getPoint=e.getTuple,e.findPoint=e.findTuple,e.insertNextPoint=(t,n,r)=>e.insertNextTuple([t,n,r]),e.insertPoint=(t,n)=>e.insertTuple(t,n);const r=e.getBounds;e.getBounds=()=>(n<t.mtime&&e.computeBounds(),r());const o=e.getBoundsByReference;e.getBoundsByReference=()=>(n<t.mtime&&e.computeBounds(),o()),e.computeBounds=()=>{if(3===e.getNumberOfComponents()){const n=e.getRange(0);t.bounds[0]=n[0],t.bounds[1]=n[1];const r=e.getRange(1);t.bounds[2]=r[0],t.bounds[3]=r[1];const o=e.getRange(2);t.bounds[4]=o[0],t.bounds[5]=o[1]}else if(2===e.getNumberOfComponents()){const n=e.getRange(0);t.bounds[0]=n[0],t.bounds[1]=n[1];const r=e.getRange(1);t.bounds[2]=r[0],t.bounds[3]=r[1],t.bounds[4]=0,t.bounds[5]=0}else nc(`getBounds called on an array with components of ${e.getNumberOfComponents()}`),Oa(t.bounds);n=ln.getCurrentGlobalMTime()},e.setNumberOfComponents(t.numberOfComponents<2?3:t.numberOfComponents)}(e,t)}var ac={newInstance:ln.newInstance(oc,"vtkPoints"),extend:oc};const ic={bounds:[-1,-1,-1,-1,-1,-1],pointsIds:[]};function sc(e,t,n={}){Object.assign(t,ic,n),ln.obj(e,t),t.points||(t.points=ac.newInstance()),ln.get(e,t,["points","pointsIds"]),function(e,t){t.classHierarchy.push("vtkCell"),e.initialize=(e,n=null)=>{if(n){t.pointsIds=n;let r=t.points.getData();r.length!==3*t.pointsIds.length&&(r=ln.newTypedArray(e.getDataType(),3*t.pointsIds.length));const o=e.getData();t.pointsIds.forEach(((e,t)=>{let n=3*e,a=3*t;r[a]=o[n],r[++a]=o[++n],r[++a]=o[++n]})),t.points.setData(r)}else{t.points=e,t.pointsIds=new Array(e.getNumberOfPoints());for(let n=e.getNumberOfPoints()-1;n>=0;--n)t.pointsIds[n]=n}},e.getBounds=()=>t.points.getBounds(),e.getLength2=()=>{const t=ji.getLengths(e.getBounds());return t[0]*t[0]+t[1]*t[1]+t[2]*t[2]},e.getParametricDistance=e=>{let t,n=0;for(let r=0;r<3;r++)t=e[r]<0?-e[r]:e[r]>1?e[r]-1:0,t>n&&(n=t);return n},e.getNumberOfPoints=()=>t.points.getNumberOfPoints(),e.deepCopy=e=>{e.initialize(t.points,t.pointsIds)},e.getCellDimension=()=>{},e.intersectWithLine=(e,t,n,r,o,a,i)=>{},e.evaluatePosition=(e,t,n,r,o,a)=>{ln.vtkErrorMacro("vtkCell.evaluatePosition is not implemented.")}}(e,t)}var lc={newInstance:ln.newInstance(sc,"vtkCell"),extend:sc};const cc={array:null,maxId:0,extend:0};function uc(e,t,n={}){Object.assign(t,cc,n),ln.obj(e,t),function(e,t){t.classHierarchy.push("vtkCellLinks"),e.buildLinks=n=>{const r=n.getPoints().getNumberOfPoints(),o=n.getNumberOfCells(),a=new Uint32Array(r);if(n.isA("vtkPolyData")){for(let t=0;t<o;++t){const{cellPointIds:r}=n.getCellPoints(t);r.forEach((t=>{e.incrementLinkCount(t)}))}e.allocateLinks(r),t.maxId=r-1;for(let t=0;t<o;++t){const{cellPointIds:r}=n.getCellPoints(t);r.forEach((n=>{e.insertCellReference(n,a[n]++,t)}))}}else{for(let t=0;t<o;t++)lc.newInstance().getPointsIds().forEach((t=>{e.incrementLinkCount(t)}));e.allocateLinks(r),t.maxId=r-1;for(let t=0;t<o;++t)lc.newInstance().getPointsIds().forEach((n=>{e.insertCellReference(n,a[n]++,t)}))}},e.allocate=(e,n=1e3)=>{t.array=Array(e).fill().map((()=>({ncells:0,cells:null}))),t.extend=n,t.maxId=-1},e.initialize=()=>{t.array=null},e.getLink=e=>t.array[e],e.getNcells=e=>t.array[e].ncells,e.getCells=e=>t.array[e].cells,e.insertNextPoint=e=>{t.array.push({ncells:e,cells:Array(e)}),++t.maxId},e.insertNextCellReference=(e,n)=>{t.array[e].cells[t.array[e].ncells++]=n},e.deletePoint=e=>{t.array[e].ncells=0,t.array[e].cells=null},e.removeCellReference=(e,n)=>{t.array[n].cells=t.array[n].cells.filter((t=>t!==e)),t.array[n].ncells=t.array[n].cells.length},e.addCellReference=(e,n)=>{t.array[n].cells[t.array[n].ncells++]=e},e.resizeCellList=(e,n)=>{t.array[e].cells.length=n},e.squeeze=()=>{!function(e,t){let n=t;for(t>=e.array.length&&(n+=e.array.length);n>e.array.length;)e.array.push({ncells:0,cells:null});e.array.length=n}(t,t.maxId+1)},e.reset=()=>{t.maxId=-1},e.deepCopy=e=>{t.array=[...e.array],t.extend=e.extend,t.maxId=e.maxId},e.incrementLinkCount=e=>{++t.array[e].ncells},e.allocateLinks=e=>{for(let n=0;n<e;++n)t.array[n].cells=new Array(t.array[n].ncells)},e.insertCellReference=(e,n,r)=>{t.array[e].cells[n]=r}}(e,t)}var dc={newInstance:ln.newInstance(uc,"vtkCellLinks"),extend:uc};const pc=0,fc=1,gc=2,mc=3,hc=4,vc=5,Tc=6,xc=7,bc=9,Ac=21,yc=41,Cc=42,Sc=["vtkEmptyCell","vtkVertex","vtkPolyVertex","vtkLine","vtkPolyLine","vtkTriangle","vtkTriangleStrip","vtkPolygon","vtkPixel","vtkQuad","vtkTetra","vtkVoxel","vtkHexahedron","vtkWedge","vtkPyramid","vtkPentagonalPrism","vtkHexagonalPrism","UnknownClass","UnknownClass","UnknownClass","UnknownClass","vtkQuadraticEdge","vtkQuadraticTriangle","vtkQuadraticQuad","vtkQuadraticTetra","vtkQuadraticHexahedron","vtkQuadraticWedge","vtkQuadraticPyramid","vtkBiQuadraticQuad","vtkTriQuadraticHexahedron","vtkQuadraticLinearQuad","vtkQuadraticLinearWedge","vtkBiQuadraticQuadraticWedge","vtkBiQuadraticQuadraticHexahedron","vtkBiQuadraticTriangle","vtkCubicLine","vtkQuadraticPolygon","UnknownClass","UnknownClass","UnknownClass","UnknownClass","vtkConvexPointSet","UnknownClass","UnknownClass","UnknownClass","UnknownClass","UnknownClass","UnknownClass","UnknownClass","UnknownClass","UnknownClass","vtkParametricCurve","vtkParametricSurface","vtkParametricTriSurface","vtkParametricQuadSurface","vtkParametricTetraRegion","vtkParametricHexRegion","UnknownClass","UnknownClass","UnknownClass","vtkHigherOrderEdge","vtkHigherOrderTriangle","vtkHigherOrderQuad","vtkHigherOrderPolygon","vtkHigherOrderTetrahedron","vtkHigherOrderWedge","vtkHigherOrderPyramid","vtkHigherOrderHexahedron"];const Pc={getClassNameFromTypeId:function(e){return e<Sc.length?Sc[e]:"UnknownClass"},getTypeIdFromClassName:function(e){return Sc.findIndex(e)},isLinear:function(e){return e<Ac||e===yc||e===Cc},hasSubCells:function(e){return e===Tc||e===hc||e===gc}};const wc={size:0,maxId:-1,extend:1e3};function Ic(e,t,n={}){Object.assign(t,wc,n),ln.obj(e,t),ln.get(e,t,["size","maxId","extend"]),ln.getArray(e,t,["typeArray","locationArray"]),function(e,t){t.classHierarchy.push("vtkCellTypes"),e.allocate=(e=512,n=1e3)=>{t.size=e>0?e:1,t.extend=n>0?n:1,t.maxId=-1,t.typeArray=new Uint8Array(e),t.locationArray=new Uint32Array(e)},e.insertCell=(e,n,r)=>{t.typeArray[e]=n,t.locationArray[e]=r,e>t.maxId&&(t.maxId=e)},e.insertNextCell=(n,r)=>(e.insertCell(++t.maxId,n,r),t.maxId),e.setCellTypes=(e,n,r)=>{t.size=e,t.typeArray=n,t.locationArray=r,t.maxId=e-1},e.getCellLocation=e=>t.locationArray[e],e.deleteCell=e=>{t.typeArray[e]=pc},e.getNumberOfTypes=()=>t.maxId+1,e.isType=t=>{const n=e.getNumberOfTypes();for(let r=0;r<n;++r)if(t===e.getCellType(r))return!0;return!1},e.insertNextType=t=>e.insertNextCell(t,-1),e.getCellType=e=>t.typeArray[e],e.reset=()=>{t.maxId=-1},e.deepCopy=n=>{e.allocate(n.getSize(),n.getExtend()),t.typeArray.set(n.getTypeArray()),t.locationArray.set(n.getLocationArray()),t.maxId=n.getMaxId()}}(e,t)}var Oc={newInstance:ln.newInstance(Ic,"vtkCellTypes"),extend:Ic,...Pc};const Rc={NO_INTERSECTION:0,YES_INTERSECTION:1,ON_LINE:2};var Mc={IntersectionState:Rc};const{IntersectionState:Dc}=Mc;function Ec(e,t,n,r=null){const o={t:Number.MIN_VALUE,distance:0},a=[];let i;a[0]=n[0]-t[0],a[1]=n[1]-t[1],a[2]=n[2]-t[2];const s=a[0]*(e[0]-t[0])+a[1]*(e[1]-t[1])+a[2]*(e[2]-t[2]),l=Wo(a,a);let c=1e-5*s;return 0!==l&&(o.t=s/l),c<0&&(c=-c),-c<l&&l<c||l<=0||o.t<0?i=t:o.t>1?i=n:(i=a,a[0]=t[0]+o.t*a[0],a[1]=t[1]+o.t*a[1],a[2]=t[2]+o.t*a[2]),r&&(r[0]=i[0],r[1]=i[1],r[2]=i[2]),o.distance=Jo(i,e),o}function Vc(e,t,n,r,o,a){const i=[],s=[],l=[];o[0]=0,a[0]=0,Uo(t,e,i),Uo(r,n,s),Uo(n,e,l);const c=[Wo(i,i),-Wo(i,s),-Wo(i,s),Wo(s,s)],u=[];if(u[0]=Wo(i,l),u[1]=-Wo(s,l),0===va(c,u,2)){let i=Number.MAX_VALUE;const s=[e,t,n,r],l=[n,n,e,e],c=[r,r,t,t];let u;a[0],a[0],o[0],o[0],o[0],o[0],a[0],a[0];for(let e=0;e<4;e++)u=Ec(s[e],l[e],c[e]),u.distance<i&&(i=u.distance,u.t);return Dc.ON_LINE}return o[0]=u[0],a[0]=u[1],o[0]>=0&&o[0]<=1&&a[0]>=0&&a[0]<=1?Dc.YES_INTERSECTION:Dc.NO_INTERSECTION}const Lc={distanceToLine:Ec,intersection:Vc};const Bc={orientations:null};function Fc(e,t,n={}){Object.assign(t,Bc,n),lc.extend(e,t,n),ln.setGet(e,t,["orientations"]),function(e,t){t.classHierarchy.push("vtkLine"),e.getCellDimension=()=>1,e.intersectWithLine=(e,n,r,o,a)=>{const i={intersect:0,t:Number.MAX_VALUE,subId:0,betweenPoints:null};a[1]=0,a[2]=0;const s=[],l=[],c=[];t.points.getPoint(0,l),t.points.getPoint(1,c);const u=[],d=[],p=Vc(e,n,l,c,u,d);var f;if(i.t=u[0],i.betweenPoints=(f=i.t)>=0&&f<=1,a[0]=d[0],p===Dc.YES_INTERSECTION){for(let 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r=e.getCellPoints(t),o=n||Cu[r.cellType].newInstance();return o.initialize(e.getPoints(),r.cellPointIds),o},e.getMaxCellSize=()=>Au.reduce(((e,n)=>Math.max(e,t[n]?.getMaxCellSize?.()??0)),0)}(e,t)}var wu={newInstance:ln.newInstance(Pu,"vtkPolyData"),extend:Pu};const Iu={image:null,canvas:null,jsImageData:null,imageBitmap:null,imageLoaded:!1,repeat:!1,interpolate:!1,edgeClamp:!1,mipLevel:0,resizable:!1};function Ou(e,t,n={}){Object.assign(t,Iu,n),ln.obj(e,t),ln.algo(e,t,6,0),ln.get(e,t,["canvas","image","jsImageData","imageBitmap","imageLoaded","resizable"]),ln.setGet(e,t,["repeat","edgeClamp","interpolate","mipLevel"]),function(e,t){t.classHierarchy.push("vtkTexture"),e.imageLoaded=()=>{t.image.removeEventListener("load",e.imageLoaded),t.imageLoaded=!0,e.modified()},e.setJsImageData=n=>{t.jsImageData!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.canvas=null,t.imageBitmap=null),t.jsImageData=n,t.imageLoaded=!0,e.modified())},e.setImageBitmap=n=>{t.imageBitmap!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.canvas=null,t.jsImageData=null),t.imageBitmap=n,t.imageLoaded=!0,e.modified())},e.setCanvas=n=>{t.canvas!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.imageBitmap=null,t.jsImageData=null),t.canvas=n,e.modified())},e.setImage=n=>{t.image!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.canvas=null,t.jsImageData=null,t.imageBitmap=null),t.image=n,t.imageLoaded=!1,n.complete?e.imageLoaded():n.addEventListener("load",e.imageLoaded),e.modified())},e.getDimensionality=()=>{let n=0,r=0,o=1;if(e.getInputData()){const t=e.getInputData();n=t.getDimensions()[0],r=t.getDimensions()[1],o=t.getDimensions()[2]}return t.jsImageData&&(n=t.jsImageData.width,r=t.jsImageData.height),t.canvas&&(n=t.canvas.width,r=t.canvas.height),t.image&&(n=t.image.width,r=t.image.height),t.imageBitmap&&(n=t.imageBitmap.width,r=t.imageBitmap.height),(n>1)+(r>1)+(o>1)},e.getInputAsJsImageData=()=>{if(!t.imageLoaded||e.getInputData())return null;if(t.jsImageData)return t.jsImageData;if(t.imageBitmap)return t.imageBitmap;if(t.canvas)return t.canvas.getContext("2d").getImageData(0,0,t.canvas.width,t.canvas.height);if(t.image){const e=t.image.width,n=t.image.height,r=new OffscreenCanvas(e,n).getContext("2d");return r.translate(0,n),r.scale(1,-1),r.drawImage(t.image,0,0,e,n),r.getImageData(0,0,e,n)}return null}}(e,t)}var Ru={newInstance:ln.newInstance(Ou,"vtkTexture"),extend:Ou,...{generateMipmaps:(e,t,n)=>{const r=e.createShaderModule({code:"\n    @group(0) @binding(0) var inputTexture: texture_2d<f32>;\n    @group(0) @binding(1) var outputTexture: texture_storage_2d<rgba8unorm, write>;\n\n    @compute @workgroup_size(8, 8)\n    fn main(@builtin(global_invocation_id) global_id: vec3<u32>) {\n      let texelCoord = vec2<i32>(global_id.xy);\n      let outputSize = textureDimensions(outputTexture);\n\n      if (texelCoord.x >= i32(outputSize.x) || texelCoord.y >= i32(outputSize.y)) {\n        return;\n      }\n\n      let inputSize = textureDimensions(inputTexture);\n      let scale = vec2<f32>(inputSize) / vec2<f32>(outputSize);\n\n      // Compute the floating-point source coordinate\n      let srcCoord = (vec2<f32>(texelCoord) + 0.5) * scale - 0.5;\n\n      // Get integer coordinates for the four surrounding texels\n      let x0 = i32(floor(srcCoord.x));\n      let x1 = min(x0 + 1, i32(inputSize.x) - 1);\n      let y0 = i32(floor(srcCoord.y));\n      let y1 = min(y0 + 1, i32(inputSize.y) - 1);\n\n      // Compute the weights\n      let wx = srcCoord.x - f32(x0);\n      let wy = srcCoord.y - f32(y0);\n\n      // Fetch the four texels\n      let c00 = textureLoad(inputTexture, vec2<i32>(x0, y0), 0);\n      let c10 = textureLoad(inputTexture, vec2<i32>(x1, y0), 0);\n      let c01 = textureLoad(inputTexture, vec2<i32>(x0, y1), 0);\n      let c11 = textureLoad(inputTexture, vec2<i32>(x1, y1), 0);\n\n      // Bilinear interpolation\n      let color = mix(\n        mix(c00, c10, wx),\n        mix(c01, c11, wx),\n        wy\n      );\n\n      textureStore(outputTexture, texelCoord, color);\n    }\n  "}),o=e.createBindGroupLayout({entries:[{binding:0,visibility:GPUShaderStage.COMPUTE,texture:{sampleType:"float"}},{binding:1,visibility:GPUShaderStage.COMPUTE,storageTexture:{format:"rgba8unorm",access:"write-only"}},{binding:2,visibility:GPUShaderStage.COMPUTE,sampler:{type:"filtering"}}]}),a=e.createPipelineLayout({bindGroupLayouts:[o]}),i=e.createComputePipeline({label:"ComputeMipmapPipeline",layout:a,compute:{module:r,entryPoint:"main"}}),s=e.createSampler({magFilter:"linear",minFilter:"linear"});for(let r=1;r<n;r++){const n=t.createView({baseMipLevel:r-1,mipLevelCount:1}),o=t.createView({baseMipLevel:r,mipLevelCount:1}),a=e.createBindGroup({layout:i.getBindGroupLayout(0),entries:[{binding:0,resource:n},{binding:1,resource:o},{binding:2,resource:s}]}),l=e.createCommandEncoder({label:"MipmapGenerateCommandEncoder"}),c=l.beginComputePass();c.setPipeline(i),c.setBindGroup(0,a);const u=Math.max(1,t.width>>r),d=Math.max(1,t.height>>r),p=Math.ceil(u/8),f=Math.ceil(d/8);c.dispatchWorkgroups(p,f),c.end(),e.queue.submit([l.finish()])}}}};const Mu=[[-1,0,0],[1,0,0],[0,-1,0],[0,1,0],[0,0,-1],[0,0,1]],Du=[[8,7,11,3],[9,1,10,5],[4,9,0,8],[2,11,6,10],[0,3,2,1],[4,5,6,7]],Eu=[[0,1],[1,3],[2,3],[0,2],[4,5],[5,7],[6,7],[4,6],[0,4],[1,5],[3,7],[2,6]],Vu=[0,1,0,1,0,1,0,1,2,2,2,2],Lu=[[1,2],[1,2],[0,2],[0,2],[0,1],[0,1]],Bu=new Float64Array(3),Fu=new Float64Array(3),Nu=new Float64Array(3),ku=new Float64Array(3),Gu=new Float64Array(3),Uu=new Float64Array(3),_u=new Float64Array(16);function Ku(e,t){e.strokeStyle=t.strokeColor,e.lineWidth=t.strokeSize,e.fillStyle=t.fontColor,e.font=`${t.fontStyle} ${t.fontSize}px ${t.fontFamily}`}function zu(e){const t=[],n=[];for(let r=0;r<3;r++){const o=eo().domain([e[2*r],e[2*r+1]]);t[r]=o.ticks(5);const a=o.tickFormat(5);n[r]=t[r].map(a)}return{ticks:t,tickStrings:n}}const Wu=ln.newInstance(((e,t,n={renderable:null})=>{Object.assign(t,{},n),ln.obj(e,t),t.tmPolyData=wu.newInstance(),t.tmMapper=Yl.newInstance(),t.tmMapper.setInputData(t.tmPolyData),t.tmActor=gs.newInstance({parentProp:e}),t.tmActor.setMapper(t.tmMapper),ln.setGet(e,t,["renderable"]),ln.get(e,t,["lastSize","lastAspectRatio","axisTextStyle","tickTextStyle","tmActor","ticks"]),t.forceUpdate=!1,t.lastRedrawTime={},ln.obj(t.lastRedrawTime,{mtime:0}),t.lastRebuildTime={},ln.obj(t.lastRebuildTime,{mtime:0}),t.lastSize=[-1,-1],t.lastTickBounds=[],function(e,t){t.classHierarchy.push("vtkCubeAxesActorHelper"),e.setRenderable=n=>{t.renderable!==n&&(t.renderable=n,t.tmActor.addTexture(t.renderable.getTmTexture()),t.tmActor.setProperty(n.getProperty()),t.tmActor.setParentProp(n),e.modified())},e.createPolyDataForOneLabel=(e,n,r,o,a,i,s)=>{const l=t.renderable.get_tmAtlas().get(e);if(!l)return;const c=t.renderable.getTextPolyData().getPoints().getData(),u=t.lastSize;Bu[0]=c[3*n],Bu[1]=c[3*n+1],Bu[2]=c[3*n+2],oe(Nu,Bu,r),Nu[0]+=.1,oe(Fu,Nu,o),Z(Gu,Fu,Bu),Nu[0]-=.1,Nu[1]+=.1,oe(Fu,Nu,o),Z(Uu,Fu,Bu);for(let e=0;e<3;e++)Gu[e]/=.05*u[0],Uu[e]/=.05*u[1];let d=s.ptIdx,p=s.cellIdx;Bu[0]=c[3*n],Bu[1]=c[3*n+1],Bu[2]=c[3*n+2],a[0]<-.5?$(Nu,Gu,a[0]*i-l.width):a[0]>.5?$(Nu,Gu,a[0]*i):$(Nu,Gu,a[0]*i-l.width/2),J(Bu,Bu,Nu),$(Nu,Uu,a[1]*i-l.height/2),J(Bu,Bu,Nu),s.points[3*d]=Bu[0],s.points[3*d+1]=Bu[1],s.points[3*d+2]=Bu[2],s.tcoords[2*d]=l.tcoords[0],s.tcoords[2*d+1]=l.tcoords[1],d++,$(Nu,Gu,l.width),J(Bu,Bu,Nu),s.points[3*d]=Bu[0],s.points[3*d+1]=Bu[1],s.points[3*d+2]=Bu[2],s.tcoords[2*d]=l.tcoords[2],s.tcoords[2*d+1]=l.tcoords[3],d++,$(Nu,Uu,l.height),J(Bu,Bu,Nu),s.points[3*d]=Bu[0],s.points[3*d+1]=Bu[1],s.points[3*d+2]=Bu[2],s.tcoords[2*d]=l.tcoords[4],s.tcoords[2*d+1]=l.tcoords[5],d++,$(Nu,Gu,l.width),Z(Bu,Bu,Nu),s.points[3*d]=Bu[0],s.points[3*d+1]=Bu[1],s.points[3*d+2]=Bu[2],s.tcoords[2*d]=l.tcoords[6],s.tcoords[2*d+1]=l.tcoords[7],d++,s.polys[4*p]=3,s.polys[4*p+1]=d-4,s.polys[4*p+2]=d-3,s.polys[4*p+3]=d-2,p++,s.polys[4*p]=3,s.polys[4*p+1]=d-4,s.polys[4*p+2]=d-2,s.polys[4*p+3]=d-1,s.ptIdx+=4,s.cellIdx+=2},e.updateTexturePolyData=()=>{const n=t.camera.getCompositeProjectionMatrix(t.lastAspectRatio,-1,1);b(n,n);const r=t.renderable.getTextValues().length,o=4*r,a=2*r,i=new Float64Array(3*o),s=new Uint16Array(4*a),l=new Float32Array(2*o);A(_u,n);const c={ptIdx:0,cellIdx:0,polys:s,points:i,tcoords:l};let u=0,d=0,p=0;const f=t.renderable.getTextPolyData().getPoints().getData(),g=t.renderable.getTextValues();for(;u<f.length/3;){Bu[0]=f[3*u],Bu[1]=f[3*u+1],Bu[2]=f[3*u+2],oe(Nu,Bu,n),Bu[0]=f[3*u+3],Bu[1]=f[3*u+4],Bu[2]=f[3*u+5],oe(ku,Bu,n),Z(Nu,Nu,ku);const r=[Nu[0],Nu[1]];Qo(r),e.createPolyDataForOneLabel(g[d],u,n,_u,r,t.renderable.getAxisTitlePixelOffset(),c),u+=2,d++;for(let o=0;o<t.renderable.getTickCounts()[p];o++)e.createPolyDataForOneLabel(g[d],u,n,_u,r,t.renderable.getTickLabelPixelOffset(),c),u++,d++;p++}const m=Os.newInstance({numberOfComponents:2,values:l,name:"TextureCoordinates"});t.tmPolyData.getPointData().setTCoords(m),t.tmPolyData.getPoints().setData(i,3),t.tmPolyData.getPoints().modified(),t.tmPolyData.getPolys().setData(s,1),t.tmPolyData.getPolys().modified(),t.tmPolyData.modified()},e.updateAPISpecificData=(n,r,o)=>{t.lastSize[0]===n[0]&&t.lastSize[1]===n[1]||(t.lastSize[0]=n[0],t.lastSize[1]=n[1],t.lastAspectRatio=n[0]/n[1],t.forceUpdate=!0),t.camera=r,e.updateTexturePolyData()}}(e,t)}),"vtkCubeAxesActorHelper");function Hu(e,t,n={}){gs.extend(e,t,function(e,t,n){return{boundsScaleFactor:1.3,camera:null,dataBounds:[...ji.INIT_BOUNDS],faceVisibilityAngle:8,gridLines:!0,axisLabels:null,axisTitlePixelOffset:35,tickLabelPixelOffset:12,generateTicks:zu,...n,axisTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:18,fontFamily:"serif",...n?.axisTextStyle},tickTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:14,fontFamily:"serif",...n?.tickTextStyle}}}(0,0,n)),t.lastFacesToDraw=[!1,!1,!1,!1,!1,!1],t.axisLabels=["X-Axis","Y-Axis","Z-Axis"],t.tickCounts=[],t.textValues=[],t.lastTickBounds=[],t.tmCanvas=document.createElement("canvas"),t.tmContext=t.tmCanvas.getContext("2d"),t._tmAtlas=new Map,t.tmTexture=Ru.newInstance({resizable:!0}),t.tmTexture.setInterpolate(!1),e.getProperty().setDiffuse(0),e.getProperty().setAmbient(1),t.gridMapper=Yl.newInstance(),t.polyData=wu.newInstance(),t.gridMapper.setInputData(t.polyData),t.gridActor=gs.newInstance(),t.gridActor.setMapper(t.gridMapper),t.gridActor.setProperty(e.getProperty()),t.gridActor.setParentProp(e),t.textPolyData=wu.newInstance(),ln.setGet(e,t,["axisTitlePixelOffset","boundsScaleFactor","faceVisibilityAngle","gridLines","tickLabelPixelOffset","generateTicks"]),ln.setGetArray(e,t,["dataBounds"],6),ln.setGetArray(e,t,["axisLabels"],3),ln.get(e,t,["axisTextStyle","tickTextStyle","camera","tmTexture","textValues","textPolyData","tickCounts","gridActor"]),function(e,t){t.classHierarchy.push("vtkCubeAxesActor"),e.setCamera=n=>{t.camera!==n&&(t.cameraModifiedSub&&(t.cameraModifiedSub.unsubscribe(),t.cameraModifiedSub=null),t.camera=n,n&&(t.cameraModifiedSub=n.onModified(e.update)),e.update(),e.modified())},e.computeFacesToDraw=()=>{const e=t.camera.getViewMatrix();b(e,e);let n=!1;const r=ji.getDiagonalLength(t.dataBounds),o=Math.sin(t.faceVisibilityAngle*Math.PI/180);for(let a=0;a<6;a++){let i=!1;const s=Math.floor(a/2),l=(s+1)%3,c=(s+2)%3;t.dataBounds[2*l]!==t.dataBounds[2*l+1]&&t.dataBounds[2*c]!==t.dataBounds[2*c+1]&&(Bu[s]=t.dataBounds[a]-.1*r*Mu[a][s],Bu[l]=.5*(t.dataBounds[2*l]+t.dataBounds[2*l+1]),Bu[c]=.5*(t.dataBounds[2*c]+t.dataBounds[2*c+1]),oe(Nu,Bu,e),Bu[s]=t.dataBounds[a],oe(ku,Bu,e),Z(Nu,ku,Nu),te(Nu,Nu),i=Nu[2]>o,t.camera.getParallelProjection()||(te(ku,ku),i=ne(ku,Nu)>o)),i!==t.lastFacesToDraw[a]&&(t.lastFacesToDraw[a]=i,n=!0)}return n},e.updatePolyData=(e,n,r)=>{let o=0,a=0;o+=8;let i=0;for(let e=0;e<12;e++)n[e]>0&&i++;if(a+=i,t.gridLines)for(let t=0;t<6;t++)e[t]&&(o+=2*r[Lu[t][0]].length+2*r[Lu[t][1]].length,a+=r[Lu[t][0]].length+r[Lu[t][1]].length);const s=new Float64Array(3*o),l=new Uint32Array(3*a);let c=0,u=0;for(let e=0;e<2;e++)for(let n=0;n<2;n++)for(let r=0;r<2;r++)s[3*c]=t.dataBounds[r],s[3*c+1]=t.dataBounds[2+n],s[3*c+2]=t.dataBounds[4+e],c++;for(let e=0;e<12;e++)n[e]>0&&(l[3*u]=2,l[3*u+1]=Eu[e][0],l[3*u+2]=Eu[e][1],u++);if(t.gridLines)for(let n=0;n<6;n++)if(e[n]){const e=Math.floor(n/2);let o=r[Lu[n][0]];for(let r=0;r<o.length;r++)s[3*c+e]=t.dataBounds[n],s[3*c+Lu[n][0]]=o[r],s[3*c+Lu[n][1]]=t.dataBounds[2*Lu[n][1]],c++,s[3*c+e]=t.dataBounds[n],s[3*c+Lu[n][0]]=o[r],s[3*c+Lu[n][1]]=t.dataBounds[2*Lu[n][1]+1],c++,l[3*u]=2,l[3*u+1]=c-2,l[3*u+2]=c-1,u++;o=r[Lu[n][1]];for(let r=0;r<o.length;r++)s[3*c+e]=t.dataBounds[n],s[3*c+Lu[n][1]]=o[r],s[3*c+Lu[n][0]]=t.dataBounds[2*Lu[n][0]],c++,s[3*c+e]=t.dataBounds[n],s[3*c+Lu[n][1]]=o[r],s[3*c+Lu[n][0]]=t.dataBounds[2*Lu[n][0]+1],c++,l[3*u]=2,l[3*u+1]=c-2,l[3*u+2]=c-1,u++}t.polyData.getPoints().setData(s,3),t.polyData.getPoints().modified(),t.polyData.getLines().setData(l,1),t.polyData.getLines().modified(),t.polyData.modified()},e.updateTextData=(e,n,r,o)=>{let a=0;for(let e=0;e<12;e++)1===n[e]&&(a+=2,a+=r[Vu[e]].length);const i=t.polyData.getPoints().getData(),s=new Float64Array(3*a);let l=0,c=0,u=0;for(let a=0;a<6;a++)if(e[a])for(let e=0;e<4;e++){const d=Du[a][e];if(1===n[d]){const e=Vu[d],n=3*Eu[d][0],p=3*Eu[d][1];s[3*l]=.5*(i[n]+i[p]),s[3*l+1]=.5*(i[n+1]+i[p+1]),s[3*l+2]=.5*(i[n+2]+i[p+2]),l++,s[3*l+Math.floor(a/2)]=t.dataBounds[a],s[3*l+Lu[a][0]]=.5*(t.dataBounds[2*Lu[a][0]]+t.dataBounds[2*Lu[a][0]+1]),s[3*l+Lu[a][1]]=.5*(t.dataBounds[2*Lu[a][1]]+t.dataBounds[2*Lu[a][1]+1]),l++,t.textValues[c]=t.axisLabels[e],c++;const f=(e+1)%3,g=(e+2)%3,m=r[e],h=o[e];t.tickCounts[u]=m.length;for(let r=0;r<m.length;r++)s[3*l+e]=m[r],s[3*l+f]=i[n+f],s[3*l+g]=i[n+g],l++,t.textValues[c]=h[r],c++;u++}}t.textPolyData.getPoints().setData(s,3),t.textPolyData.modified()},e.update=()=>{if(!t.camera)return;const n=e.computeFacesToDraw(),r=t.lastFacesToDraw;let o=!1;for(let e=0;e<6;e++)t.dataBounds[e]!==t.lastTickBounds[e]&&(o=!0,t.lastTickBounds[e]=t.dataBounds[e]);if(n||o||t.forceUpdate){const n=new Array(12).fill(0);for(let e=0;e<6;e++)if(r[e])for(let t=0;t<4;t++)n[Du[e][t]]++;const a=t.generateTicks(t.dataBounds);e.updatePolyData(r,n,a.ticks),e.updateTextData(r,n,a.ticks,a.tickStrings),(o||t.forceUpdate)&&e.updateTextureAtlas(a.tickStrings)}t.forceUpdate=!1},e.updateTextureAtlas=e=>{t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left",t._tmAtlas.clear();let n=0,r=1;for(let o=0;o<3;o++){if(!t._tmAtlas.has(t.axisLabels[o])){Ku(t.tmContext,t.axisTextStyle);const e=t.tmContext.measureText(t.axisLabels[o]),a={height:e.actualBoundingBoxAscent+2,startingHeight:r,width:e.width+2,textStyle:t.axisTextStyle};t._tmAtlas.set(t.axisLabels[o],a),r+=a.height,n<a.width&&(n=a.width)}Ku(t.tmContext,t.tickTextStyle);for(let a=0;a<e[o].length;a++)if(!t._tmAtlas.has(e[o][a])){const i=t.tmContext.measureText(e[o][a]),s={height:i.actualBoundingBoxAscent+2,startingHeight:r,width:i.width+2,textStyle:t.tickTextStyle};t._tmAtlas.set(e[o][a],s),r+=s.height,n<s.width&&(n=s.width)}}n=Fo(n),r=Fo(r),t._tmAtlas.forEach((e=>{e.tcoords=[0,(r-e.startingHeight-e.height)/r,e.width/n,(r-e.startingHeight-e.height)/r,e.width/n,(r-e.startingHeight)/r,0,(r-e.startingHeight)/r]})),t.tmCanvas.width=n,t.tmCanvas.height=r,t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left",t.tmContext.clearRect(0,0,n,r),t._tmAtlas.forEach(((e,n)=>{Ku(t.tmContext,e.textStyle),t.tmContext.fillText(n,1,e.startingHeight+e.height-1)})),t.tmTexture.setCanvas(t.tmCanvas),t.tmTexture.modified()},e.onModified((()=>{t.forceUpdate=!0,e.update()})),e.setTickTextStyle=n=>{t.tickTextStyle={...t.tickTextStyle,...n},e.modified()},e.setAxisTextStyle=n=>{t.axisTextStyle={...t.axisTextStyle,...n},e.modified()},e.get_tmAtlas=()=>t._tmAtlas,e.computeBounds=()=>{e.update(),ji.setBounds(t.bounds,t.gridActor.getBounds()),ji.scaleAboutCenter(t.bounds,t.boundsScaleFactor,t.boundsScaleFactor,t.boundsScaleFactor)};const n=e.setProperty;e.setProperty=e=>{const r=n(e);return t.gridActor.setProperty(e),r}}(e,t)}var ju={newInstance:ln.newInstance(Hu,"vtkCubeAxesActor"),extend:Hu,newCubeAxesActorHelper:Wu,defaultGenerateTicks:zu};const Xu={};Tn("vtkCubeAxesActor",qt((function(e,t,n={}){Object.assign(t,Xu,n),fn.extend(e,t,n),t.CubeAxesActorHelper=ju.newCubeAxesActorHelper(),function(e,t){t.classHierarchy.push("vtkOpenGLCubeAxesActor"),e.buildPass=n=>{n&&(t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.CubeAxesActorHelper.getRenderable()||t.CubeAxesActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.CubeAxesActorHelper.getTmActor()),e.addMissingNode(t.renderable.getGridActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,n=t._openGLRenderer.getTiledSizeAndOrigin();t.CubeAxesActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t._openGLRenderWindow.getRenderable())}}}(e,t)}),"vtkOpenGLCubeAxesActor"));const qu={ARRAY_BUFFER:0,ELEMENT_ARRAY_BUFFER:1,TEXTURE_BUFFER:2};var Yu={ObjectType:qu};const{ObjectType:Ju}=Yu;const Zu={objectType:Ju.ARRAY_BUFFER,context:null,allocatedGPUMemoryInBytes:0};function Qu(e,t,n={}){Object.assign(t,Zu,n),ln.obj(e,t),ln.get(e,t,["_openGLRenderWindow","allocatedGPUMemoryInBytes"]),ln.moveToProtected(e,t,["openGLRenderWindow"]),function(e,t){function n(e){switch(e){case Ju.ELEMENT_ARRAY_BUFFER:return t.context.ELEMENT_ARRAY_BUFFER;case Ju.TEXTURE_BUFFER:if("TEXTURE_BUFFER"in t.context)return t.context.TEXTURE_BUFFER;case Ju.ARRAY_BUFFER:default:return t.context.ARRAY_BUFFER}}t.classHierarchy.push("vtkOpenGLBufferObject");let 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program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.vertexShaderHandle=0,t.linked=!1,!0);case"Fragment":return t.fragmentShaderHandle!==e.getHandle()?(t.error="The supplied shader was not attached to this program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.fragmentShaderHandle=0,t.linked=!1,!0);default:return!1}},e.setContext=e=>{t.context=e,t.vertexShader.setContext(e),t.fragmentShader.setContext(e),t.geometryShader.setContext(e)},e.setLastCameraMTime=e=>{t.lastCameraMTime=e}}(e,t)}var gd={newInstance:ln.newInstance(fd,"vtkShaderProgram"),extend:fd,substitute:function(e,t,n,r){const o="string"==typeof n?n:n.join("\n"),a=!1===r?t:new RegExp(t,"g"),i=e.replace(a,o);return{replace:i!==o,result:i}}};const md={forceEmulation:!1,handleVAO:0,handleProgram:0,supported:!0,buffers:null,context:null};function hd(e,t,n={}){Object.assign(t,md,n),t.buffers=[],ln.obj(e,t),ln.get(e,t,["supported"]),ln.setGet(e,t,["forceEmulation"]),function(e,t){t.classHierarchy.push("vtkOpenGLVertexArrayObject"),e.exposedMethod=()=>{},e.initialize=()=>{t.instancingExtension=null,t._openGLRenderWindow.getWebgl2()||(t.instancingExtension=t.context.getExtension("ANGLE_instanced_arrays")),!t.forceEmulation&&t._openGLRenderWindow&&t._openGLRenderWindow.getWebgl2()?(t.extension=null,t.supported=!0,t.handleVAO=t.context.createVertexArray()):(t.extension=t.context.getExtension("OES_vertex_array_object"),!t.forceEmulation&&t.extension?(t.supported=!0,t.handleVAO=t.extension.createVertexArrayOES()):t.supported=!1)},e.isReady=()=>0!==t.handleVAO||!1===t.supported,e.bind=()=>{if(e.isReady()||e.initialize(),e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(t.handleVAO):t.context.bindVertexArray(t.handleVAO);else if(e.isReady()){const e=t.context;for(let n=0;n<t.buffers.length;++n){const r=t.buffers[n];t.context.bindBuffer(e.ARRAY_BUFFER,r.buffer);for(let n=0;n<r.attributes.length;++n){const o=r.attributes[n],a=o.isMatrix?o.size:1;for(let n=0;n<a;++n)e.enableVertexAttribArray(o.index+n),e.vertexAttribPointer(o.index+n,o.size,o.type,o.normalize,o.stride,o.offset+o.stride*n/o.size),o.divisor>0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,1):e.vertexAttribDivisor(o.index+n,1))}}}},e.release=()=>{if(e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(null):t.context.bindVertexArray(null);else if(e.isReady()){const e=t.context;for(let n=0;n<t.buffers.length;++n){const r=t.buffers[n];t.context.bindBuffer(e.ARRAY_BUFFER,r.buffer);for(let n=0;n<r.attributes.length;++n){const o=r.attributes[n],a=o.isMatrix?o.size:1;for(let n=0;n<a;++n)e.enableVertexAttribArray(o.index+n),e.vertexAttribPointer(o.index+n,o.size,o.type,o.normalize,o.stride,o.offset+o.stride*n/o.size),o.divisor>0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,0):e.vertexAttribDivisor(o.index+n,0)),e.disableVertexAttribArray(o.index+n)}}}},e.shaderProgramChanged=()=>{e.release(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.handleProgram=0},e.releaseGraphicsResources=()=>{e.shaderProgramChanged(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.supported=!0,t.handleProgram=0},e.addAttributeArray=(t,n,r,o,a,i,s,l)=>e.addAttributeArrayWithDivisor(t,n,r,o,a,i,s,l,0,!1),e.addAttributeArrayWithDivisor=(n,r,o,a,i,s,l,c,u,d)=>{if(!n)return!1;if(!n.isBound()||0===r.getHandle()||r.getType()!==qu.ARRAY_BUFFER)return!1;if(0===t.handleProgram&&(t.handleProgram=n.getHandle()),e.isReady()||e.initialize(),!e.isReady()||t.handleProgram!==n.getHandle())return!1;const p=t.context,f={};if(f.name=o,f.index=p.getAttribLocation(t.handleProgram,o),f.offset=a,f.stride=i,f.type=s,f.size=l,f.normalize=c,f.isMatrix=d,f.divisor=u,-1===f.Index)return!1;if(r.bind(),p.enableVertexAttribArray(f.index),p.vertexAttribPointer(f.index,f.size,f.type,f.normalize,f.stride,f.offset),u>0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f.index,1):p.vertexAttribDivisor(f.index,1)),f.buffer=r.getHandle(),!t.supported){let e=!1;for(let n=0;n<t.buffers.length;++n){const r=t.buffers[n];if(r.buffer===f.buffer){e=!0;let t=!1;for(let e=0;e<r.attributes.length;++e)r.attributes[e].name===o&&(t=!0,r.attributes[e]=f);t||r.attributes.push(f)}}e||t.buffers.push({buffer:f.buffer,attributes:[f]})}return!0},e.addAttributeMatrixWithDivisor=(n,r,o,a,i,s,l,c,u)=>{const d=e.addAttributeArrayWithDivisor(n,r,o,a,i,s,l,c,u,!0);if(!d)return d;const p=t.context,f=p.getAttribLocation(t.handleProgram,o);for(let e=1;e<l;e++)p.enableVertexAttribArray(f+e),p.vertexAttribPointer(f+e,l,s,c,i,a+i*e/l),u>0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f+e,1):p.vertexAttribDivisor(f+e,1));return!0},e.removeAttributeArray=n=>{if(!e.isReady()||0===t.handleProgram)return!1;if(!t.supported)for(let e=0;e<t.buffers.length;++e){const r=t.buffers[e];for(let o=0;o<r.attributes.length;++o)if(r.attributes[o].name===n)return r.attributes.splice(o,1),r.attributes.length||t.buffers.splice(e,1),!0}return!0},e.setOpenGLRenderWindow=n=>{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))}}(e,t)}var vd={newInstance:ln.newInstance(hd,"vtkOpenGLVertexArrayObject"),extend:hd};const Td={Start:0,Points:0,Lines:1,Tris:2,TriStrips:3,TrisEdges:4,TriStripsEdges:5,End:6};const xd={context:null,program:null,shaderSourceTime:null,VAO:null,attributeUpdateTime:null,CABO:null,primitiveType:0,pointPicking:!1};function bd(e,t,n={}){Object.assign(t,xd,n),ln.obj(e,t),t.shaderSourceTime={},ln.obj(t.shaderSourceTime),t.attributeUpdateTime={},ln.obj(t.attributeUpdateTime),ln.setGet(e,t,["program","shaderSourceTime","VAO","attributeUpdateTime","CABO","primitiveType","pointPicking"]),t.program=gd.newInstance(),t.VAO=vd.newInstance(),t.CABO=id.newInstance(),function(e,t){t.classHierarchy.push("vtkOpenGLHelper"),e.setOpenGLRenderWindow=e=>{t.context=e.getContext(),t.program.setContext(t.context),t.VAO.setOpenGLRenderWindow(e),t.CABO.setOpenGLRenderWindow(e)},e.releaseGraphicsResources=e=>{t.VAO.releaseGraphicsResources(),t.CABO.releaseGraphicsResources(),t.CABO.setElementCount(0)},e.drawArrays=(n,r,o,a)=>{if(t.CABO.getElementCount()){const i=e.getOpenGLMode(o),s=e.haveWideLines(n,r),l=t.context,c=l.getParameter(l.DEPTH_WRITEMASK);t.pointPicking&&l.depthMask(!1),i===l.LINES&&s?(e.updateShaders(n,r,a),l.drawArraysInstanced(i,0,t.CABO.getElementCount(),2*Math.ceil(r.getProperty().getLineWidth()))):(l.lineWidth(r.getProperty().getLineWidth()),e.updateShaders(n,r,a),l.drawArrays(i,0,t.CABO.getElementCount()),l.lineWidth(1));const u=(i===l.POINTS?1:0)||(i===l.LINES?2:3);return t.pointPicking&&l.depthMask(c),t.CABO.getElementCount()/u}return 0},e.getOpenGLMode=e=>{if(t.pointPicking)return t.context.POINTS;const n=t.primitiveType;return e===os.POINTS||n===Td.Points?t.context.POINTS:e===os.WIREFRAME||n===Td.Lines||n===Td.TrisEdges||n===Td.TriStripsEdges?t.context.LINES:t.context.TRIANGLES},e.haveWideLines=(e,n)=>n.getProperty().getLineWidth()>1&&!(t.CABO.getOpenGLRenderWindow()&&t.CABO.getOpenGLRenderWindow().getHardwareMaximumLineWidth()>=n.getProperty().getLineWidth()),e.getNeedToRebuildShaders=(t,n,r)=>!!(r.getNeedToRebuildShaders(e,t,n)||0===e.getProgram()||e.getShaderSourceTime().getMTime()<r.getMTime()||e.getShaderSourceTime().getMTime()<n.getMTime()),e.updateShaders=(n,r,o)=>{if(e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};o.buildShaders(a,n,r);const i=t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==e.getProgram()&&(e.setProgram(i),e.getVAO().releaseGraphicsResources()),e.getShaderSourceTime().modified()}else t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgram(e.getProgram());e.getVAO().bind(),o.setMapperShaderParameters(e,n,r),o.setPropertyShaderParameters(e,n,r),o.setCameraShaderParameters(e,n,r),o.setLightingShaderParameters(e,n,r),o.invokeShaderCallbacks(e,n,r)},e.setMapperShaderParameters=(n,r,o)=>{if(e.haveWideLines(n,r)){e.getProgram().setUniform2f("viewportSize",o.usize,o.vsize);const t=parseFloat(r.getProperty().getLineWidth()),n=t/2;e.getProgram().setUniformf("lineWidthStepSize",t/Math.ceil(t)),e.getProgram().setUniformf("halfLineWidth",n)}t.primitiveType===Td.Points||r.getProperty().getRepresentation()===os.POINTS?e.getProgram().setUniformf("pointSize",r.getProperty().getPointSize()):t.pointPicking&&e.getProgram().setUniformf("pointSize",e.getPointPickingPrimitiveSize())},e.replaceShaderPositionVC=(n,r,o)=>{let a=n.Vertex;a=gd.substitute(a,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform float pointSize;"]).result,a=gd.substitute(a,"//VTK::PositionVC::Impl",["//VTK::PositionVC::Impl","  gl_PointSize = pointSize;"],!1).result,e.getOpenGLMode(o.getProperty().getRepresentation())===t.context.LINES&&e.haveWideLines(r,o)&&(a=gd.substitute(a,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform vec2 viewportSize;","uniform float lineWidthStepSize;","uniform float halfLineWidth;"]).result,a=gd.substitute(a,"//VTK::PositionVC::Impl",["//VTK::PositionVC::Impl"," if (halfLineWidth > 0.0)","   {","   float offset = float(gl_InstanceID / 2) * lineWidthStepSize - halfLineWidth;","   vec4 tmpPos = gl_Position;","   vec3 tmpPos2 = tmpPos.xyz / tmpPos.w;","   tmpPos2.x = tmpPos2.x + 2.0 * mod(float(gl_InstanceID), 2.0) * offset / viewportSize[0];","   tmpPos2.y = tmpPos2.y + 2.0 * mod(float(gl_InstanceID + 1), 2.0) * offset / viewportSize[1];","   gl_Position = vec4(tmpPos2.xyz * tmpPos.w, tmpPos.w);","   }"]).result),n.Vertex=a},e.getPointPickingPrimitiveSize=()=>t.primitiveType===Td.Points?2:t.primitiveType===Td.Lines?4:6,e.getAllocatedGPUMemoryInBytes=()=>e.getCABO().getAllocatedGPUMemoryInBytes()}(e,t)}var Ad={newInstance:ln.newInstance(bd),extend:bd,primTypes:Td};const yd={CLAMP_TO_EDGE:0,REPEAT:1,MIRRORED_REPEAT:2},Cd={NEAREST:0,LINEAR:1,NEAREST_MIPMAP_NEAREST:2,NEAREST_MIPMAP_LINEAR:3,LINEAR_MIPMAP_NEAREST:4,LINEAR_MIPMAP_LINEAR:5};var Sd={Wrap:yd,Filter:Cd};const Pd=new Float32Array(1),wd=new Int32Array(Pd.buffer);var Id={fromHalf:function(e){const t=(32768&e)>>15,n=(31744&e)>>10,r=1023&e;return 0===n?(t?-1:1)*2**-14*(r/1024):31===n?r?NaN:1/0*(t?-1:1):(t?-1:1)*2**(n-15)*(1+r/1024)},toHalf:function(e){Pd[0]=e;const t=wd[0];let n=t>>16&32768,r=t>>12&2047;const o=t>>23&255;return o<103?n:o>142?(n|=31744,n|=(255===o?0:1)&&8388607&t,n):o<113?(r|=2048,n|=(r>>114-o)+(r>>113-o&1),n):(n|=o-112<<10|r>>1,n+=1&r,n)}};let Od;function Rd(){return void 0===Od&&(Od=function(){try{const e=4,t=2,n=1,r=new Int16Array([0,32767]),o=[1,1],a=document.createElement("canvas");a.width=e,a.height=e;const i=a.getContext("webgl2");if(!i)return!1;const s=i.getExtension("EXT_texture_norm16");if(!s)return!1;const l=`#version 300 es\n    void main() {\n      gl_PointSize = ${e.toFixed(1)};\n      gl_Position = vec4(0, 0, 0, 1);\n    }\n  `,c="#version 300 es\n    precision highp float;\n    precision highp int;\n    precision highp sampler2D;\n\n    uniform sampler2D u_image;\n\n    out vec4 color;\n\n    void main() {\n        vec4 intColor = texture(u_image, gl_PointCoord.xy);\n        color = vec4(vec3(intColor.rrr), 1);\n    }\n    ",u=i.createShader(i.VERTEX_SHADER);if(i.shaderSource(u,l),i.compileShader(u),!i.getShaderParameter(u,i.COMPILE_STATUS))return!1;const d=i.createShader(i.FRAGMENT_SHADER);if(i.shaderSource(d,c),i.compileShader(d),!i.getShaderParameter(d,i.COMPILE_STATUS))return!1;const p=i.createProgram();if(i.attachShader(p,u),i.attachShader(p,d),i.linkProgram(p),!i.getProgramParameter(p,i.LINK_STATUS))return!1;const f=i.createTexture();i.bindTexture(i.TEXTURE_2D,f),i.texImage2D(i.TEXTURE_2D,0,s.R16_SNORM_EXT,t,n,0,i.RED,i.SHORT,r),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_MAG_FILTER,i.LINEAR),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_MIN_FILTER,i.LINEAR),i.useProgram(p),i.drawArrays(i.POINTS,0,1);const g=new Uint8Array(4);i.readPixels(o[0],o[1],1,1,i.RGBA,i.UNSIGNED_BYTE,g);const[m,h,v]=g,T=i.getExtension("WEBGL_lose_context");return T&&T.loseContext(),m===h&&h===v&&0!==m}catch(e){return!1}}()),Od}const{Wrap:Md,Filter:Dd}=Sd,{VtkDataTypes:Ed}=Os,{vtkDebugMacro:Vd,vtkErrorMacro:Ld,vtkWarningMacro:Bd,requiredParam:Fd}=cn,{toHalf:Nd}=Id;function kd(e,t){function n(){return{internalFormat:t.internalFormat,format:t.format,openGLDataType:t.openGLDataType,width:t.width,height:t.height}}t.classHierarchy.push("vtkOpenGLTexture"),e.render=(n=null)=>{if(n?t._openGLRenderWindow=n:(t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getLastAncestorOfType("vtkOpenGLRenderWindow")),t.context=t._openGLRenderWindow.getContext(),t.renderable.getInterpolate()?(t.generateMipmap?e.setMinificationFilter(Dd.LINEAR_MIPMAP_LINEAR):e.setMinificationFilter(Dd.LINEAR),e.setMagnificationFilter(Dd.LINEAR)):(e.setMinificationFilter(Dd.NEAREST),e.setMagnificationFilter(Dd.NEAREST)),t.renderable.getRepeat()&&(e.setWrapR(Md.REPEAT),e.setWrapS(Md.REPEAT),e.setWrapT(Md.REPEAT)),t.renderable.getInputData()&&t.renderable.setImage(null),!t.handle||t.renderable.getMTime()>t.textureBuildTime.getMTime()){if(null!==t.renderable.getImageBitmap()&&(t.renderable.getInterpolate()&&(t.generateMipmap=!0,e.setMinificationFilter(Dd.LINEAR_MIPMAP_LINEAR)),t.renderable.getImageBitmap()&&t.renderable.getImageLoaded()&&(e.create2DFromImageBitmap(t.renderable.getImageBitmap()),e.activate(),e.sendParameters(),t.textureBuildTime.modified())),null!==t.renderable.getImage()&&(t.renderable.getInterpolate()&&(t.generateMipmap=!0,e.setMinificationFilter(Dd.LINEAR_MIPMAP_LINEAR)),t.renderable.getImage()&&t.renderable.getImageLoaded()&&(e.create2DFromImage(t.renderable.getImage()),e.activate(),e.sendParameters(),t.textureBuildTime.modified())),null!==t.renderable.getCanvas()){t.renderable.getInterpolate()&&(t.generateMipmap=!0,e.setMinificationFilter(Dd.LINEAR_MIPMAP_LINEAR));const n=t.renderable.getCanvas();e.create2DFromRaw({width:n.width,height:n.height,numComps:4,dataType:Ed.UNSIGNED_CHAR,data:n,flip:!0}),e.activate(),e.sendParameters(),t.textureBuildTime.modified()}if(null!==t.renderable.getJsImageData()){const n=t.renderable.getJsImageData();t.renderable.getInterpolate()&&(t.generateMipmap=!0,e.setMinificationFilter(Dd.LINEAR_MIPMAP_LINEAR)),e.create2DFromRaw({width:n.width,height:n.height,numComps:4,dataType:Ed.UNSIGNED_CHAR,data:n.data,flip:!0}),e.activate(),e.sendParameters(),t.textureBuildTime.modified()}const n=t.renderable.getInputData(0);if(n&&n.getPointData().getScalars()){const r=n.getExtent(),o=n.getPointData().getScalars(),a=[];for(let e=0;e<t.renderable.getNumberOfInputPorts();++e){const n=t.renderable.getInputData(e),r=n?n.getPointData().getScalars().getData():null;r&&a.push(r)}t.renderable.getInterpolate()&&4===o.getNumberOfComponents()&&(t.generateMipmap=!0,e.setMinificationFilter(Dd.LINEAR_MIPMAP_LINEAR)),a.length%6==0?e.createCubeFromRaw({width:r[1]-r[0]+1,height:r[3]-r[2]+1,numComps:o.getNumberOfComponents(),dataType:o.getDataType(),data:a}):e.create2DFromRaw({width:r[1]-r[0]+1,height:r[3]-r[2]+1,numComps:o.getNumberOfComponents(),dataType:o.getDataType(),data:o.getData()}),e.activate(),e.sendParameters(),t.textureBuildTime.modified()}}t.handle&&e.activate()};const r=()=>{if(t.minificationFilter!==Dd.LINEAR&&t.magnificationFilter!==Dd.LINEAR||Rd())return t.oglNorm16Ext};function o(e){const[t,n,r,o,a,i]=e;return[n-t+1,o-r+1,i-a+1]}function a(e){const[t,n,r]=o(e);return t*n*r}function i(e,n,r=null){const o=new(r||e.constructor)(n.reduce(((e,t)=>e+a(t)),0)),i=[t.width,t.height,t.depth];let s=0;return 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t=0;t<a;t++)d[n+o+t]=g?Id.toHalf(Id.fromHalf(e[u][l+s+t])*h*(1-v)+Id.fromHalf(e[u][l+p+t])*h*v+Id.fromHalf(e[u][c+s+t])*m*(1-v)+Id.fromHalf(e[u][c+p+t])*m*v):e[u][l+s+t]*h*(1-v)+e[u][l+p+t]*h*v+e[u][c+s+t]*m*(1-v)+e[u][c+p+t]*m*v}}n.push(d),t.width=s,t.height=l}else n.push(null)}if(0===n.length)for(let t=0;t<e.length;t++)n.push(e[t]);return n}function l(e){if(t._openGLRenderWindow){if(t.resizable||t.renderable?.getResizable())return!1;if(t._openGLRenderWindow.getWebgl2()){return!(t._openGLRenderWindow.getGLInformations().RENDERER.value.match(/WebKit/gi)&&navigator.platform.match(/Mac/gi)&&r())||e!==Ed.UNSIGNED_SHORT&&e!==Ed.SHORT}return!1}return!1}function c(n,r){const o=n.getNumberOfComponents(),a=n.getDataType(),i=n.getData(),s=new Array(o),l=new Array(o);for(let e=0;e<o;++e){const[t,r]=n.getRange(e);s[e]=t,l[e]=r}const c=function(e,t,n){const r=new Array(n),o=new Array(n);for(let a=0;a<n;++a)r[a]=e[a],o[a]=t[a]-e[a]||1;return{scale:o,offset:r}}(s,l,o);return function(n,r,o,a){e.getOpenGLDataType(n);const i=function(e,t){for(let n=0;n<e.length;n++){const r=e[n],o=t[n]+r;if(r<-2048||r>2048||o<-2048||o>2048)return!1}return!0}(r,o)||a;let s=!1;if(t._openGLRenderWindow.getWebgl2())s=t.openGLDataType===t.context.FLOAT&&null===t.context.getExtension("OES_texture_float_linear")&&i||t.openGLDataType===t.context.HALF_FLOAT;else{const e=t.context.getExtension("OES_texture_half_float");s=e&&t.openGLDataType===e.HALF_FLOAT_OES}t.canUseHalfFloat=s&&i}(a,c.offset,c.scale,r),e.useHalfFloat()||e.getOpenGLDataType(a,!0),{numComps:o,dataType:a,data:i,scaleOffsets:c}}e.destroyTexture=()=>{e.deactivate(),t.context&&t.handle&&t.context.deleteTexture(t.handle),t._prevTexParams=null,t.handle=0,t.numberOfDimensions=0,t.target=0,t.components=0,t.width=0,t.height=0,t.depth=0,e.resetFormatAndType()},e.createTexture=()=>{t.handle||(t.handle=t.context.createTexture(),t.target&&(t.context.bindTexture(t.target,t.handle),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.bindTexture(t.target,null)))},e.getTextureUnit=()=>t._openGLRenderWindow?t._openGLRenderWindow.getTextureUnitForTexture(e):-1,e.activate=()=>{t._openGLRenderWindow.activateTexture(e),e.bind()},e.deactivate=()=>{t._openGLRenderWindow&&t._openGLRenderWindow.deactivateTexture(e)},e.releaseGraphicsResources=n=>{n&&t.handle&&(n.activateTexture(e),n.deactivateTexture(e),t.context.deleteTexture(t.handle),t._prevTexParams=null,t.handle=0,t.numberOfDimensions=0,t.target=0,t.internalFormat=0,t.format=0,t.openGLDataType=0,t.components=0,t.width=0,t.height=0,t.depth=0,t.allocatedGPUMemoryInBytes=0),t.shaderProgram&&(t.shaderProgram.releaseGraphicsResources(n),t.shaderProgram=null)},e.bind=()=>{t.context.bindTexture(t.target,t.handle),t.autoParameters&&e.getMTime()>t.sendParametersTime.getMTime()&&e.sendParameters()},e.isBound=()=>{let e=!1;if(t.context&&t.handle){let n=0;if(t.target===t.context.TEXTURE_2D)n=t.context.TEXTURE_BINDING_2D;else Bd("impossible case");e=t.context.getIntegerv(n)===t.handle}return e},e.sendParameters=()=>{t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t._openGLRenderWindow.getWebgl2()&&(t.context.texParameteri(t.target,t.context.TEXTURE_BASE_LEVEL,t.baseLevel),t.context.texParameteri(t.target,t.context.TEXTURE_MAX_LEVEL,t.maxLevel)),t.sendParametersTime.modified()},e.getInternalFormat=(n,r)=>(t._forceInternalFormat||(t.internalFormat=e.getDefaultInternalFormat(n,r)),t.internalFormat||Vd(`Unable to find suitable internal format for T=${n} NC= ${r}`),[t.context.R32F,t.context.RG32F,t.context.RGB32F,t.context.RGBA32F].includes(t.internalFormat)&&!t.context.getExtension("OES_texture_float_linear")&&Bd("Failed to load OES_texture_float_linear. Texture filtering is not available for *32F internal formats."),t.internalFormat),e.getDefaultInternalFormat=(n,o)=>{let a=0;return a=t._openGLRenderWindow.getDefaultTextureInternalFormat(n,o,r(),e.useHalfFloat()),a||(a||(Vd("Unsupported internal texture type!"),Vd(`Unable to find suitable internal format for T=${n} NC= ${o}`)),a)},e.useHalfFloat=()=>t.enableUseHalfFloat&&t.canUseHalfFloat,e.setInternalFormat=n=>{t._forceInternalFormat=!0,n!==t.internalFormat&&(t.internalFormat=n,e.modified())},e.getFormat=(n,r)=>(t.format=e.getDefaultFormat(n,r),t.format),e.getDefaultFormat=(e,n)=>{if(t._openGLRenderWindow.getWebgl2())switch(n){case 1:return t.context.RED;case 2:return t.context.RG;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}else switch(n){case 1:return t.context.LUMINANCE;case 2:return t.context.LUMINANCE_ALPHA;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}},e.resetFormatAndType=()=>{t._prevTexParams=null,t.format=0,t.internalFormat=0,t._forceInternalFormat=!1,t.openGLDataType=0},e.getDefaultDataType=n=>{const o=e.useHalfFloat();if(t._openGLRenderWindow.getWebgl2())switch(n){case Ed.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case r()&&!o&&Ed.SHORT:return t.context.SHORT;case r()&&!o&&Ed.UNSIGNED_SHORT:return t.context.UNSIGNED_SHORT;case o&&Ed.SHORT:case o&&Ed.UNSIGNED_SHORT:return t.context.HALF_FLOAT;case Ed.FLOAT:case Ed.VOID:default:return t.context.FLOAT}switch(n){case Ed.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case Ed.FLOAT:case Ed.VOID:default:if(t.context.getExtension("OES_texture_float")&&t.context.getExtension("OES_texture_float_linear"))return t.context.FLOAT;{const e=t.context.getExtension("OES_texture_half_float");if(e&&t.context.getExtension("OES_texture_half_float_linear"))return e.HALF_FLOAT_OES}return t.context.UNSIGNED_BYTE}},e.getOpenGLDataType=(n,r=!1)=>(t.openGLDataType&&!r||(t.openGLDataType=e.getDefaultDataType(n)),t.openGLDataType),e.getShiftAndScale=()=>{let e=0,n=1;switch(t.openGLDataType){case t.context.BYTE:n=127.5,e=n-128;break;case t.context.UNSIGNED_BYTE:n=255,e=0;break;case t.context.SHORT:n=32767.5,e=n-32768;break;case t.context.UNSIGNED_SHORT:n=65536,e=0;break;case t.context.INT:n=2147483647.5,e=n-2147483648;break;case t.context.UNSIGNED_INT:n=4294967295,e=0;case t.context.FLOAT:}return{shift:e,scale:n}},e.getOpenGLFilterMode=e=>{switch(e){case Dd.NEAREST:return t.context.NEAREST;case Dd.LINEAR:return t.context.LINEAR;case Dd.NEAREST_MIPMAP_NEAREST:return t.context.NEAREST_MIPMAP_NEAREST;case Dd.NEAREST_MIPMAP_LINEAR:return t.context.NEAREST_MIPMAP_LINEAR;case Dd.LINEAR_MIPMAP_NEAREST:return t.context.LINEAR_MIPMAP_NEAREST;case Dd.LINEAR_MIPMAP_LINEAR:return t.context.LINEAR_MIPMAP_LINEAR;default:return t.context.NEAREST}},e.getOpenGLWrapMode=e=>{switch(e){case Md.CLAMP_TO_EDGE:return t.context.CLAMP_TO_EDGE;case Md.REPEAT:return t.context.REPEAT;case Md.MIRRORED_REPEAT:return t.context.MIRRORED_REPEAT;default:return t.context.CLAMP_TO_EDGE}},e.updateArrayDataTypeForGL=(e,n,r=!1,o=[])=>{const a=[];let s=t.width*t.height*t.components;r&&(s*=t.depth);const l=!!o.length;if(e!==Ed.FLOAT&&t.openGLDataType===t.context.FLOAT)for(let e=0;e<n.length;e++)if(n[e])if(l)a.push(i(n[e],o,Float32Array));else{const t=n[e].length>s?n[e].subarray(0,s):n[e];a.push(new Float32Array(t))}else a.push(null);if(e!==Ed.UNSIGNED_CHAR&&t.openGLDataType===t.context.UNSIGNED_BYTE)for(let e=0;e<n.length;e++)if(n[e])if(l)a.push(i(n[e],o,Uint8Array));else{const t=n[e].length>s?n[e].subarray(0,s):n[e];a.push(new Uint8Array(t))}else a.push(null);let c=!1;if(t._openGLRenderWindow.getWebgl2())c=t.openGLDataType===t.context.HALF_FLOAT;else{const e=t.context.getExtension("OES_texture_half_float");c=e&&t.openGLDataType===e.HALF_FLOAT_OES}if(c)for(let e=0;e<n.length;e++)if(n[e]){const t=l?i(n[e],o):n[e],r=new Uint16Array(l?t.length:s),c=r.length;for(let e=0;e<c;e++)r[e]=Nd(t[e]);a.push(r)}else a.push(null);if(0===a.length)for(let e=0;e<n.length;e++)a.push(l&&n[e]?i(n[e],o):n[e]);return a},e.create2DFromRaw=({width:n=Fd("width"),height:o=Fd("height"),numComps:a=Fd("numComps"),dataType:i=Fd("dataType"),data:c=Fd("data"),flip:u=!1}={})=>{if(e.getOpenGLDataType(i,!0),e.getInternalFormat(i,a),e.getFormat(i,a),!t.internalFormat||!t.format||!t.openGLDataType)return Ld("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=a,t.width=n,t.height=o,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=[c],p=s(e.updateArrayDataTypeForGL(i,d));return t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,u),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),l(i)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=p[0]&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,p[0])):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,p[0]),t.generateMipmap&&t.context.generateMipmap(t.target),u&&t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,!1),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*a*t._openGLRenderWindow.getDefaultTextureByteSize(i,r(),e.useHalfFloat()),e.deactivate(),!0},e.createCubeFromRaw=({width:n=Fd("width"),height:o=Fd("height"),numComps:a=Fd("numComps"),dataType:i=Fd("dataType"),data:c=Fd("data")}={})=>{if(e.getOpenGLDataType(i),e.getInternalFormat(i,a),e.getFormat(i,a),!t.internalFormat||!t.format||!t.openGLDataType)return Ld("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_CUBE_MAP,t.components=a,t.width=n,t.height=o,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),t.maxLevel=c.length/6-1,e.createTexture(),e.bind();const u=s(e.updateArrayDataTypeForGL(i,c)),d=[];let p=t.width,f=t.height;for(let e=0;e<u.length;e++){e%6==0&&0!==e&&(p/=2,f/=2),d[e]=Ct(i,f*p*t.components);for(let n=0;n<f;++n){const r=n*p*t.components,o=(f-n-1)*p*t.components;d[e].set(u[e].slice(o,o+p*t.components),r)}}t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),l(i)&&t.context.texStorage2D(t.target,6,t.internalFormat,t.width,t.height);for(let e=0;e<6;e++){let n=0,r=t.width,o=t.height;for(;r>=1&&o>=1;){let a=null;n<=t.maxLevel&&(a=d[6*n+e]),l(i)?null!=a&&t.context.texSubImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,0,0,r,o,t.format,t.openGLDataType,a):t.context.texImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,t.internalFormat,r,o,0,t.format,t.openGLDataType,a),n++,r/=2,o/=2}}return t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*a*t._openGLRenderWindow.getDefaultTextureByteSize(i,r(),e.useHalfFloat()),e.deactivate(),!0},e.createDepthFromRaw=({width:n=Fd("width"),height:o=Fd("height"),dataType:a=Fd("dataType"),data:i=Fd("data")}={})=>(e.getOpenGLDataType(a),t.format=t.context.DEPTH_COMPONENT,t._openGLRenderWindow.getWebgl2()?a===Ed.FLOAT?t.internalFormat=t.context.DEPTH_COMPONENT32F:t.internalFormat=t.context.DEPTH_COMPONENT16:t.internalFormat=t.context.DEPTH_COMPONENT,t.internalFormat&&t.format&&t.openGLDataType?(t.target=t.context.TEXTURE_2D,t.components=1,t.width=n,t.height=o,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),l(a)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=i&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,i)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,i),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(a,r(),e.useHalfFloat()),e.deactivate(),!0):(Ld("Failed to determine texture parameters."),!1)),e.create2DFromImage=n=>{if(e.getOpenGLDataType(Ed.UNSIGNED_CHAR),e.getInternalFormat(Ed.UNSIGNED_CHAR,4),e.getFormat(Ed.UNSIGNED_CHAR,4),!t.internalFormat||!t.format||!t.openGLDataType)return Ld("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=4,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const o=!(t._openGLRenderWindow.getWebgl2()||No(n.width)&&No(n.height));let a=n,i=n.width,s=n.height,c=!0;const u=window.chrome;if(o||u){const e=new OffscreenCanvas(Fo(n.width),Fo(n.height));i=e.width,s=e.height;const t=e.getContext("2d");t.translate(0,e.height),t.scale(1,-1),t.drawImage(n,0,0,n.width,n.height,0,0,e.width,e.height),a=e,c=!1}return t.width=i,t.height=s,t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,c),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),l(Ed.UNSIGNED_CHAR)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,a)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,a),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(Ed.UNSIGNED_CHAR,r(),e.useHalfFloat()),e.deactivate(),!0},e.create2DFromImageBitmap=n=>(e.getOpenGLDataType(Ed.UNSIGNED_CHAR),e.getInternalFormat(Ed.UNSIGNED_CHAR,4),e.getFormat(Ed.UNSIGNED_CHAR,4),t.internalFormat&&t.format&&t.openGLDataType?(t.target=t.context.TEXTURE_2D,t.components=4,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),t.width=n.width,t.height=n.height,l(Ed.UNSIGNED_CHAR)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,n)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,n),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(Ed.UNSIGNED_CHAR,r(),e.useHalfFloat()),e.deactivate(),!0):(Ld("Failed to determine texture parameters."),!1)),e.create2DFilterableFromRaw=({width:t=Fd("width"),height:n=Fd("height"),numComps:r=Fd("numComps"),dataType:o=Fd("dataType"),data:a=Fd("data"),preferSizeOverAccuracy:i=!1,ranges:s}={})=>e.create2DFilterableFromDataArray({width:t,height:n,dataArray:Os.newInstance({numberOfComponents:r,dataType:o,values:a,ranges:s}),preferSizeOverAccuracy:i}),e.create2DFilterableFromDataArray=({width:t=Fd("width"),height:n=Fd("height"),dataArray:r=Fd("dataArray"),preferSizeOverAccuracy:o=!1}={})=>{const{numComps:a,dataType:i,data:s}=c(r,o);e.create2DFromRaw({width:t,height:n,numComps:a,dataType:i,data:s})},e.updateVolumeInfoForGL=(n,o)=>{let a=!1;const i=e.useHalfFloat();t.volumeInfo?.scale&&t.volumeInfo?.offset||(t.volumeInfo={scale:new Array(o),offset:new Array(o)});for(let e=0;e<o;++e)t.volumeInfo.scale[e]=1,t.volumeInfo.offset[e]=0;if(r()&&!i&&n===Ed.SHORT){for(let e=0;e<o;++e)t.volumeInfo.scale[e]=32767;a=!0}if(r()&&!i&&n===Ed.UNSIGNED_SHORT){for(let e=0;e<o;++e)t.volumeInfo.scale[e]=65535;a=!0}if(n===Ed.UNSIGNED_CHAR){for(let e=0;e<o;++e)t.volumeInfo.scale[e]=255;a=!0}return(n===Ed.FLOAT||i&&(n===Ed.SHORT||n===Ed.UNSIGNED_SHORT))&&(a=!0),a},e.create3DFromRaw=({width:i=Fd("width"),height:c=Fd("height"),depth:u=Fd("depth"),numComps:d=Fd("numComps"),dataType:p=Fd("dataType"),data:f=Fd("data"),updatedExtents:g=[]}={})=>{let m=p,h=f;if(!e.updateVolumeInfoForGL(m,d)&&h){const e=i*c*u,n=structuredClone(t.volumeInfo),r=new Float32Array(e*d);t.volumeInfo.offset=n.offset,t.volumeInfo.scale=n.scale;let o=0;const a=n.scale.map((e=>1/e));for(let t=0;t<e;t++)for(let e=0;e<d;e++)r[o]=(h[o]-n.offset[e])*a[e],o++;m=Ed.FLOAT,h=r}if(e.getOpenGLDataType(m),e.getInternalFormat(m,d),e.getFormat(m,d),!t.internalFormat||!t.format||!t.openGLDataType)return Ld("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_3D,t.components=d,t.width=i,t.height=c,t.depth=u,t.numberOfDimensions=3,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const v=g.length>0,T=!v||!xe(t._prevTexParams,n()),x=[h],b=s(e.updateArrayDataTypeForGL(m,x,!0,T?[]:g));if(t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),T)l(m)?(t.context.texStorage3D(t.target,1,t.internalFormat,t.width,t.height,t.depth),null!=b[0]&&t.context.texSubImage3D(t.target,0,0,0,0,t.width,t.height,t.depth,t.format,t.openGLDataType,b[0])):t.context.texImage3D(t.target,0,t.internalFormat,t.width,t.height,t.depth,0,t.format,t.openGLDataType,b[0]),t._prevTexParams=n();else if(v){const e=b[0];let n=0;for(let r=0;r<g.length;r++){const i=g[r],s=o(i),l=a(i),c=new e.constructor(e.buffer,n,l);n+=c.byteLength,t.context.texSubImage3D(t.target,0,i[0],i[2],i[4],s[0],s[1],s[2],t.format,t.openGLDataType,c)}}return t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(m,r(),e.useHalfFloat()),e.deactivate(),!0},e.create3DFilterableFromRaw=({width:t=Fd("width"),height:n=Fd("height"),depth:r=Fd("depth"),numComps:o=Fd("numComps"),dataType:a=Fd("dataType"),data:i=Fd("data"),preferSizeOverAccuracy:s=!1,ranges:l,updatedExtents:c=[]}={})=>e.create3DFilterableFromDataArray({width:t,height:n,depth:r,dataArray:Os.newInstance({numberOfComponents:o,dataType:a,values:i,ranges:l}),preferSizeOverAccuracy:s,updatedExtents:c}),e.create3DFilterableFromDataArray=({width:n=Fd("width"),height:r=Fd("height"),depth:o=Fd("depth"),dataArray:a=Fd("dataArray"),preferSizeOverAccuracy:i=!1,updatedExtents:s=[]}={})=>{const{numComps:u,dataType:d,data:p,scaleOffsets:f}=c(a,i),g=[],m=[];for(let e=0;e<u;++e)g[e]=0,m[e]=1;if(t.volumeInfo={scale:m,offset:g,dataComputedScale:f.scale,dataComputedOffset:f.offset,width:n,height:r,depth:o},t._openGLRenderWindow.getWebgl2())return e.create3DFromRaw({width:n,height:r,depth:o,numComps:u,dataType:d,data:p,updatedExtents:s});const h=n*r*o,v=structuredClone(f);let T=(e,t,n,r,o)=>{e[t]=n},x=Ed.UNSIGNED_CHAR;if(d===Ed.UNSIGNED_CHAR)for(let e=0;e<u;++e)v.offset[e]=0,v.scale[e]=255;else t.context.getExtension("OES_texture_float")&&t.context.getExtension("OES_texture_float_linear")?(x=Ed.FLOAT,T=(e,t,n,r,o)=>{e[t]=(n-r)/o}):(x=Ed.UNSIGNED_CHAR,T=(e,t,n,r,o)=>{e[t]=255*(n-r)/o});if(e.getOpenGLDataType(x),e.getInternalFormat(x,u),e.getFormat(x,u),!t.internalFormat||!t.format||!t.openGLDataType)return Ld("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=u,t.depth=1,t.numberOfDimensions=2;let b=t.context.getParameter(t.context.MAX_TEXTURE_SIZE);b>4096&&(x===Ed.FLOAT||u>=3)&&(b=4096);let A=1,y=1;h>b*b&&(A=Math.ceil(Math.sqrt(h/(b*b))),y=A);let C=Math.sqrt(h)/A;C=Fo(C);const S=Math.floor(C*A/n),P=Math.ceil(o/S),w=Fo(r*P/y);let I;t.width=C,t.height=w,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.volumeInfo.xreps=S,t.volumeInfo.yreps=P,t.volumeInfo.xstride=A,t.volumeInfo.ystride=y,t.volumeInfo.offset=v.offset,t.volumeInfo.scale=v.scale;const O=C*w*u;I=x===Ed.FLOAT?new Float32Array(O):new Uint8Array(O);let R=0;const M=Math.floor(n/A),D=Math.floor(r/y);for(let e=0;e<P;e++){const a=Math.min(S,o-e*S),i=u*(t.width-a*Math.floor(n/A));for(let t=0;t<D;t++){for(let o=0;o<a;o++){const a=u*((e*S+o)*n*r+y*t*n);for(let e=0;e<M;e++)for(let t=0;t<u;t++)T(I,R,p[a+A*e*u+t],v.offset[t],v.scale[t]),R++}R+=i}}return t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),l(x)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=I&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,I)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,I),e.deactivate(),!0},e.setOpenGLRenderWindow=n=>{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.getMaximumTextureSize=e=>e&&e.isCurrent()?e.getIntegerv(e.MAX_TEXTURE_SIZE):-1,e.enableUseHalfFloat=e=>{t.enableUseHalfFloat=e}}const Gd={_openGLRenderWindow:null,_forceInternalFormat:!1,_prevTexParams:null,context:null,handle:0,sendParametersTime:null,textureBuildTime:null,numberOfDimensions:0,target:0,format:0,openGLDataType:0,components:0,width:0,height:0,depth:0,autoParameters:!0,wrapS:Md.CLAMP_TO_EDGE,wrapT:Md.CLAMP_TO_EDGE,wrapR:Md.CLAMP_TO_EDGE,minificationFilter:Dd.NEAREST,magnificationFilter:Dd.NEAREST,minLOD:-1e3,maxLOD:1e3,baseLevel:0,maxLevel:1e3,generateMipmap:!1,oglNorm16Ext:null,allocatedGPUMemoryInBytes:0,enableUseHalfFloat:!0,canUseHalfFloat:!1};function Ud(e,t,n={}){Object.assign(t,Gd,n),fn.extend(e,t,n),t.sendParametersTime={},Lt(t.sendParametersTime,{mtime:0}),t.textureBuildTime={},Lt(t.textureBuildTime,{mtime:0}),Gt(e,t,["format","openGLDataType"]),Ut(e,t,["keyMatrixTime","minificationFilter","magnificationFilter","wrapS","wrapT","wrapR","generateMipmap","oglNorm16Ext"]),Ft(e,t,["width","height","volumeInfo","components","handle","target","allocatedGPUMemoryInBytes"]),Wt(0,t,["openGLRenderWindow"]),kd(e,t)}const _d=qt(Ud,"vtkOpenGLTexture");var Kd={newInstance:_d,extend:Ud,...Sd};Tn("vtkTexture",_d);var zd="//VTK::System::Dec\n\n/*=========================================================================\n\n  Program:   Visualization Toolkit\n  Module:    vtkPolyDataVS.glsl\n\n  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n  All rights reserved.\n  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n     This software is distributed WITHOUT ANY WARRANTY; without even\n     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n     PURPOSE.  See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexMC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// picking support\n//VTK::Picking::Dec\n\nvoid main()\n{\n  //VTK::Color::Impl\n\n  //VTK::Normal::Impl\n\n  //VTK::TCoord::Impl\n\n  //VTK::Clip::Impl\n\n  //VTK::PrimID::Impl\n\n  //VTK::PositionVC::Impl\n\n  //VTK::Light::Impl\n\n  //VTK::Picking::Impl\n}\n",Wd="//VTK::System::Dec\n\n/*=========================================================================\n\n  Program:   Visualization Toolkit\n  Module:    vtkPolyDataFS.glsl\n\n  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n  All rights reserved.\n  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n     This software is distributed WITHOUT ANY WARRANTY; without even\n     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n     PURPOSE.  See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the polydata mappers fragment shader\n\nuniform int PrimitiveIDOffset;\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// optional color passed in from the vertex shader, vertexColor\n//VTK::Color::Dec\n\n// optional surface normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// Depth Peeling Support\n//VTK::DepthPeeling::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// label outline \n//VTK::LabelOutline::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n//VTK::LabelOutlineHelperFunction\n\nvoid main()\n{\n  // VC position of this fragment. This should not branch/return/discard.\n  //VTK::PositionVC::Impl\n\n  // Place any calls that require uniform flow (e.g. dFdx) here.\n  //VTK::UniformFlow::Impl\n\n  // Set gl_FragDepth here (gl_FragCoord.z by default)\n  //VTK::Depth::Impl\n\n  // Early depth peeling abort:\n  //VTK::DepthPeeling::PreColor\n\n  // Apple Bug\n  //VTK::PrimID::Impl\n\n  //VTK::Clip::Impl\n\n  //VTK::Color::Impl\n\n  // Generate the normal if we are not passed in one\n  //VTK::Normal::Impl\n\n  //VTK::TCoord::Impl\n\n  //VTK::Light::Impl\n\n  if (gl_FragData[0].a <= 0.0)\n    {\n    discard;\n    }\n\n  //VTK::DepthPeeling::Impl\n\n  //VTK::Picking::Impl\n\n  // handle coincident offsets\n  //VTK::Coincident::Impl\n\n  //VTK::ZBuffer::Impl\n\n  //VTK::RenderPassFragmentShader::Impl\n}\n";var Hd={implementReplaceShaderCoincidentOffset:function(e,t,n={}){e.replaceShaderCoincidentOffset=(n,r,o)=>{const a=e.getCoincidentParameters(r,o);if(a&&(0!==a.factor||0!==a.offset)){let e=n.Fragment;e=gd.substitute(e,"//VTK::Coincident::Dec",["uniform float cfactor;","uniform float coffset;"]).result,t.context.getExtension("EXT_frag_depth")&&(0!==a.factor?(e=gd.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=gd.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=gd.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + 0.000016*coffset;").result),t._openGLRenderWindow.getWebgl2()&&(0!==a.factor?(e=gd.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=gd.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=gd.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + 0.000016*coffset;").result),n.Fragment=e}}},implementBuildShadersWithReplacements:function(e,t,n={}){e.applyShaderReplacements=(e,t,n)=>{let r=null;if(t&&(r=t.ShaderReplacements),r)for(let t=0;t<r.length;t++){const o=r[t];if(n&&o.replaceFirst||!n&&!o.replaceFirst){const t=o.shaderType,n=e[t],r=gd.substitute(n,o.originalValue,o.replacementValue,o.replaceAll);e[t]=r.result}}},e.buildShaders=(n,r,o)=>{e.getReplacedShaderTemplate(n,r,o),t.lastRenderPassShaderReplacement=t.currentRenderPass?t.currentRenderPass.getShaderReplacement():null,t.lastRenderPassShaderReplacement&&t.lastRenderPassShaderReplacement(n);const a=t.renderable.getViewSpecificProperties().OpenGL;e.applyShaderReplacements(n,a,!0),e.replaceShaderValues(n,r,o),e.applyShaderReplacements(n,a)},e.getReplacedShaderTemplate=(n,r,o)=>{const a=t.renderable.getViewSpecificProperties().OpenGL;e.getShaderTemplate(n,r,o);let i=n.Vertex;if(a){const e=a.VertexShaderCode;void 0!==e&&""!==e&&(i=e)}n.Vertex=i;let s=n.Fragment;if(a){const e=a.FragmentShaderCode;void 0!==e&&""!==e&&(s=e)}n.Fragment=s;let l=n.Geometry;if(a){const e=a.GeometryShaderCode;void 0!==e&&(l=e)}n.Geometry=l}}};const{FieldAssociations:jd}=Ys,{primTypes:Xd}=Ad,{Representation:qd,Shading:Yd}=ds,{ScalarMode:Jd}=Yl,{Filter:Zd,Wrap:Qd}=Kd,{vtkErrorMacro:$d}=cn,ep={type:"StartEvent"},tp={type:"EndEvent"},{CoordinateSystem:np}=Qi;function rp(e,t){function n(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}t.classHierarchy.push("vtkOpenGLPolyDataMapper"),e.buildPass=n=>{n&&(t.currentRenderPass=null,t.openGLActor=e.getFirstAncestorOfType("vtkOpenGLActor"),t._openGLRenderer=t.openGLActor.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getLastAncestorOfType("vtkOpenGLRenderWindow"),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera(),t.openGLCamera))},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.render=()=>{const n=t._openGLRenderWindow.getContext();if(t.context!==n){t.context=n;for(let e=Xd.Start;e<Xd.End;e++)t.primitives[e].setOpenGLRenderWindow(t._openGLRenderWindow)}const r=t.openGLActor.getRenderable(),o=t._openGLRenderer.getRenderable();e.renderPiece(o,r)},e.getShaderTemplate=(e,t,n)=>{e.Vertex=zd,e.Fragment=Wd,e.Geometry=""},e.replaceShaderColor=(e,n,r)=>{let o=e.Vertex,a=e.Geometry,i=e.Fragment;const s=t.lastBoundBO.getReferenceByName("lastLightComplexity");let l=["uniform float ambient;","uniform float diffuse;","uniform float specular;","uniform float opacityUniform; // the fragment opacity","uniform vec3 ambientColorUniform;","uniform vec3 diffuseColorUniform;"];s&&(l=l.concat(["uniform vec3 specularColorUniform;","uniform float specularPowerUniform;"]));let c=["vec3 ambientColor;","  vec3 diffuseColor;","  float opacity;"];s&&(c=c.concat(["  vec3 specularColor;","  float specularPower;"])),c=c.concat(["  ambientColor = ambientColorUniform;","  diffuseColor = diffuseColorUniform;","  opacity = opacityUniform;"]),s&&(c=c.concat(["  specularColor = specularColorUniform;","  specularPower = specularPowerUniform;"])),0===t.lastBoundBO.getCABO().getColorComponents()||t.drawingEdges||(l=l.concat(["varying vec4 vertexColorVSOutput;"]),o=gd.substitute(o,"//VTK::Color::Dec",["attribute vec4 scalarColor;","varying vec4 vertexColorVSOutput;"]).result,o=gd.substitute(o,"//VTK::Color::Impl",["vertexColorVSOutput =  scalarColor;"]).result,a=gd.substitute(a,"//VTK::Color::Dec",["in vec4 vertexColorVSOutput[];","out vec4 vertexColorGSOutput;"]).result,a=gd.substitute(a,"//VTK::Color::Impl",["vertexColorGSOutput = vertexColorVSOutput[i];"]).result),0===t.lastBoundBO.getCABO().getColorComponents()||t.drawingEdges?(t.renderable.getAreScalarsMappedFromCells()||t.renderable.getInterpolateScalarsBeforeMapping())&&t.renderable.getColorCoordinates()&&!t.drawingEdges?i=gd.substitute(i,"//VTK::Color::Impl",c.concat(["  vec4 texColor = texture2D(texture1, tcoordVCVSOutput.st);","  diffuseColor = texColor.rgb;","  ambientColor = texColor.rgb;","  opacity = opacity*texColor.a;"])).result:(r.getBackfaceProperty()&&!t.drawingEdges&&(l=l.concat(["uniform float opacityUniformBF; // the fragment opacity","uniform float ambientIntensityBF; // the material ambient","uniform float diffuseIntensityBF; // the material diffuse","uniform vec3 ambientColorUniformBF; // ambient material color","uniform vec3 diffuseColorUniformBF; // diffuse material color"]),s?(l=l.concat(["uniform float specularIntensityBF; // the material specular intensity","uniform vec3 specularColorUniformBF; // intensity weighted color","uniform float specularPowerUniformBF;"]),c=c.concat(["if (gl_FrontFacing == false) {","  ambientColor = ambientIntensityBF * ambientColorUniformBF;","  diffuseColor = diffuseIntensityBF * diffuseColorUniformBF;","  specularColor = specularIntensityBF * specularColorUniformBF;","  specularPower = specularPowerUniformBF;","  opacity = opacityUniformBF; }"])):c=c.concat(["if (gl_FrontFacing == false) {","  ambientColor = ambientIntensityBF * ambientColorUniformBF;","  diffuseColor = diffuseIntensityBF * diffuseColorUniformBF;","  opacity = opacityUniformBF; }"])),t.haveCellScalars&&!t.drawingEdges&&(l=l.concat(["uniform samplerBuffer texture1;"])),i=gd.substitute(i,"//VTK::Color::Impl",c).result):i=gd.substitute(i,"//VTK::Color::Impl",c.concat(["  diffuseColor = vertexColorVSOutput.rgb;","  ambientColor = vertexColorVSOutput.rgb;","  opacity = opacity*vertexColorVSOutput.a;"])).result,i=gd.substitute(i,"//VTK::Color::Dec",l).result,e.Vertex=o,e.Geometry=a,e.Fragment=i},e.replaceShaderLight=(e,n,r)=>{let o=e.Fragment;const a=t.lastBoundBO.getReferenceByName("lastLightComplexity"),i=t.lastBoundBO.getReferenceByName("lastLightCount");let s=[];switch(a){case 0:o=gd.substitute(o,"//VTK::Light::Impl",["  gl_FragData[0] = vec4(ambientColor * ambient + diffuseColor * diffuse, opacity);","  //VTK::Light::Impl"],!1).result;break;case 1:o=gd.substitute(o,"//VTK::Light::Impl",["  float df = max(0.0, normalVCVSOutput.z);","  float sf = pow(df, specularPower);","  vec3 diffuseL = df * diffuseColor;","  vec3 specularL = sf * specularColor;","  gl_FragData[0] = vec4(ambientColor * ambient + diffuseL * diffuse + specularL * specular, opacity);","  //VTK::Light::Impl"],!1).result;break;case 2:for(let e=0;e<i;++e)s=s.concat([`uniform vec3 lightColor${e};`,`uniform vec3 lightDirectionVC${e}; // normalized`,`uniform vec3 lightHalfAngleVC${e}; // normalized`]);o=gd.substitute(o,"//VTK::Light::Dec",s).result,s=["vec3 diffuseL = vec3(0,0,0);","  vec3 specularL = vec3(0,0,0);","  float df;"];for(let e=0;e<i;++e)s=s.concat([`  df = max(0.0, dot(normalVCVSOutput, -lightDirectionVC${e}));`,`  diffuseL += ((df) * lightColor${e});`,`  if (dot(normalVCVSOutput, lightDirectionVC${e}) < 0.0)`,"    {",`    float sf = sign(df)*pow(max(1e-5,\n                                              dot(reflect(lightDirectionVC${e},normalVCVSOutput),\n                                                  normalize(-vertexVC.xyz))),\n                                         specularPower);`,`    specularL += (sf * lightColor${e});`,"    }"]);s=s.concat(["  diffuseL = diffuseL * diffuseColor;","  specularL = specularL * specularColor;","  gl_FragData[0] = vec4(ambientColor * ambient + diffuseL * diffuse + specularL * specular, opacity);","  //VTK::Light::Impl"]),o=gd.substitute(o,"//VTK::Light::Impl",s,!1).result;break;case 3:for(let e=0;e<i;++e)s=s.concat([`uniform vec3 lightColor${e};`,`uniform vec3 lightDirectionVC${e}; // normalized`,`uniform vec3 lightHalfAngleVC${e}; // normalized`,`uniform vec3 lightPositionVC${e};`,`uniform vec3 lightAttenuation${e};`,`uniform float lightConeAngle${e};`,`uniform float lightExponent${e};`,`uniform int lightPositional${e};`]);o=gd.substitute(o,"//VTK::Light::Dec",s).result,s=["vec3 diffuseL = vec3(0,0,0);","  vec3 specularL = vec3(0,0,0);","  vec3 vertLightDirectionVC;","  float attenuation;","  float df;"];for(let e=0;e<i;++e)s=s.concat(["  attenuation = 1.0;",`  if (lightPositional${e} == 0)`,"    {",`      vertLightDirectionVC = lightDirectionVC${e};`,"    }","  else","    {",`    vertLightDirectionVC = vertexVC.xyz - lightPositionVC${e};`,"    float distanceVC = length(vertLightDirectionVC);","    vertLightDirectionVC = normalize(vertLightDirectionVC);","    attenuation = 1.0 /",`      (lightAttenuation${e}.x`,`       + lightAttenuation${e}.y * distanceVC`,`       + lightAttenuation${e}.z * distanceVC * distanceVC);`,"    // per OpenGL standard cone angle is 90 or less for a spot light",`    if (lightConeAngle${e} <= 90.0)`,"      {",`      float coneDot = dot(vertLightDirectionVC, lightDirectionVC${e});`,"      // if inside the cone",`      if (coneDot >= cos(radians(lightConeAngle${e})))`,"        {",`        attenuation = attenuation * pow(coneDot, lightExponent${e});`,"        }","      else","        {","        attenuation = 0.0;","        }","      }","    }","    df = max(0.0, attenuation*dot(normalVCVSOutput, -vertLightDirectionVC));",`    diffuseL += ((df) * lightColor${e});`,"    if (dot(normalVCVSOutput, vertLightDirectionVC) < 0.0)","      {",`      float sf = sign(df)*attenuation*pow(max(1e-5,\n                                                           dot(reflect(lightDirectionVC${e},\n                                                                       normalVCVSOutput),\n                                                               normalize(-vertexVC.xyz))),\n                                                       specularPower);`,`    specularL += ((sf) * lightColor${e});`,"    }"]);s=s.concat(["  diffuseL = diffuseL * diffuseColor;","  specularL = specularL * specularColor;","  gl_FragData[0] = vec4(ambientColor * ambient + diffuseL * diffuse + specularL * specular, opacity);","  //VTK::Light::Impl"]),o=gd.substitute(o,"//VTK::Light::Impl",s,!1).result;break;default:$d("bad light complexity")}e.Fragment=o},e.replaceShaderNormal=(e,n,r)=>{if(t.lastBoundBO.getReferenceByName("lastLightComplexity")>0){let n=e.Vertex,o=e.Geometry,a=e.Fragment;t.lastBoundBO.getCABO().getNormalOffset()?(n=gd.substitute(n,"//VTK::Normal::Dec",["attribute vec3 normalMC;","uniform mat3 normalMatrix;","varying vec3 normalVCVSOutput;"]).result,n=gd.substitute(n,"//VTK::Normal::Impl",["normalVCVSOutput = normalMatrix * normalMC;"]).result,o=gd.substitute(o,"//VTK::Normal::Dec",["in vec3 normalVCVSOutput[];","out vec3 normalVCGSOutput;"]).result,o=gd.substitute(o,"//VTK::Normal::Impl",["normalVCGSOutput = normalVCVSOutput[i];"]).result,a=gd.substitute(a,"//VTK::Normal::Dec",["varying vec3 normalVCVSOutput;"]).result,a=gd.substitute(a,"//VTK::Normal::Impl",["vec3 normalVCVSOutput = normalize(normalVCVSOutput);","  if (gl_FrontFacing == false) { normalVCVSOutput = -normalVCVSOutput; }"]).result):t.haveCellNormals?(a=gd.substitute(a,"//VTK::Normal::Dec",["uniform mat3 normalMatrix;","uniform samplerBuffer textureN;"]).result,a=gd.substitute(a,"//VTK::Normal::Impl",["vec3 normalVCVSOutput = normalize(normalMatrix *","    texelFetchBuffer(textureN, gl_PrimitiveID + PrimitiveIDOffset).xyz);","  if (gl_FrontFacing == false) { normalVCVSOutput = -normalVCVSOutput; }"]).result):t.lastBoundBO.getOpenGLMode(r.getProperty().getRepresentation())===t.context.LINES?(a=gd.substitute(a,"//VTK::UniformFlow::Impl",["  vec3 fdx = dFdx(vertexVC.xyz);","  vec3 fdy = dFdy(vertexVC.xyz);","  //VTK::UniformFlow::Impl"]).result,a=gd.substitute(a,"//VTK::Normal::Impl",["vec3 normalVCVSOutput;","  if (abs(fdx.x) > 0.0)","    { fdx = normalize(fdx); normalVCVSOutput = normalize(cross(vec3(fdx.y, -fdx.x, 0.0), fdx)); }","  else { fdy = normalize(fdy); normalVCVSOutput = normalize(cross(vec3(fdy.y, -fdy.x, 0.0), fdy));}"]).result):(a=gd.substitute(a,"//VTK::Normal::Dec",["uniform int cameraParallel;"]).result,a=gd.substitute(a,"//VTK::UniformFlow::Impl",["  vec3 fdx = dFdx(vertexVC.xyz);","  vec3 fdy = dFdy(vertexVC.xyz);","  //VTK::UniformFlow::Impl"]).result,a=gd.substitute(a,"//VTK::Normal::Impl",["  fdx = normalize(fdx);","  fdy = normalize(fdy);","  vec3 normalVCVSOutput = normalize(cross(fdx,fdy));","  if (cameraParallel == 1 && normalVCVSOutput.z < 0.0) { normalVCVSOutput = -1.0*normalVCVSOutput; }","  if (cameraParallel == 0 && dot(normalVCVSOutput,vertexVC.xyz) > 0.0) { normalVCVSOutput = -1.0*normalVCVSOutput; }"]).result),e.Vertex=n,e.Geometry=o,e.Fragment=a}},e.replaceShaderPositionVC=(e,n,r)=>{t.lastBoundBO.replaceShaderPositionVC(e,n,r);let o=e.Vertex,a=e.Geometry,i=e.Fragment;t.lastBoundBO.getReferenceByName("lastLightComplexity")>0?(o=gd.substitute(o,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,o=gd.substitute(o,"//VTK::PositionVC::Impl",["vertexVCVSOutput = MCVCMatrix * vertexMC;","  gl_Position = MCPCMatrix * vertexMC;"]).result,o=gd.substitute(o,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result,a=gd.substitute(a,"//VTK::PositionVC::Dec",["in vec4 vertexVCVSOutput[];","out vec4 vertexVCGSOutput;"]).result,a=gd.substitute(a,"//VTK::PositionVC::Impl",["vertexVCGSOutput = vertexVCVSOutput[i];"]).result,i=gd.substitute(i,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,i=gd.substitute(i,"//VTK::PositionVC::Impl",["vec4 vertexVC = vertexVCVSOutput;"]).result):(o=gd.substitute(o,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,o=gd.substitute(o,"//VTK::PositionVC::Impl",["  gl_Position = MCPCMatrix * vertexMC;"]).result),e.Vertex=o,e.Geometry=a,e.Fragment=i},e.replaceShaderTCoord=(e,n,r)=>{if(t.lastBoundBO.getCABO().getTCoordOffset()){let n=e.Vertex,r=e.Geometry,o=e.Fragment;if(t.drawingEdges)return;n=gd.substitute(n,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result;const a=t.openGLActor.getActiveTextures();let i=2,s=2;if(a&&a.length>0&&(i=a[0].getComponents(),a[0].getTarget()===t.context.TEXTURE_CUBE_MAP&&(s=3)),t.renderable.getColorTextureMap()&&(i=t.renderable.getColorTextureMap().getPointData().getScalars().getNumberOfComponents(),s=2),2===s){if(n=gd.substitute(n,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result,r=gd.substitute(r,"//VTK::TCoord::Dec",["in vec2 tcoordVCVSOutput[];","out vec2 tcoordVCGSOutput;"]).result,r=gd.substitute(r,"//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];").result,o=gd.substitute(o,"//VTK::TCoord::Dec",["varying vec2 tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,a&&a.length>=1)switch(i){case 1:o=gd.substitute(o,"//VTK::TCoord::Impl",["  vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","  ambientColor = ambientColor*tcolor.r;","  diffuseColor = diffuseColor*tcolor.r;"]).result;break;case 2:o=gd.substitute(o,"//VTK::TCoord::Impl",["  vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","  ambientColor = ambientColor*tcolor.r;","  diffuseColor = diffuseColor*tcolor.r;","  opacity = opacity * tcolor.g;"]).result;break;default:o=gd.substitute(o,"//VTK::TCoord::Impl",["  vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","  ambientColor = ambientColor*tcolor.rgb;","  diffuseColor = diffuseColor*tcolor.rgb;","  opacity = opacity * tcolor.a;"]).result}}else switch(n=gd.substitute(n,"//VTK::TCoord::Dec","attribute vec3 tcoordMC; varying vec3 tcoordVCVSOutput;").result,r=gd.substitute(r,"//VTK::TCoord::Dec",["in vec3 tcoordVCVSOutput[];","out vec3 tcoordVCGSOutput;"]).result,r=gd.substitute(r,"//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];").result,o=gd.substitute(o,"//VTK::TCoord::Dec",["varying vec3 tcoordVCVSOutput;","uniform samplerCube texture1;"]).result,i){case 1:o=gd.substitute(o,"//VTK::TCoord::Impl",["  vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);","  ambientColor = ambientColor*tcolor.r;","  diffuseColor = diffuseColor*tcolor.r;"]).result;break;case 2:o=gd.substitute(o,"//VTK::TCoord::Impl",["  vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);","  ambientColor = ambientColor*tcolor.r;","  diffuseColor = diffuseColor*tcolor.r;","  opacity = opacity * tcolor.g;"]).result;break;default:o=gd.substitute(o,"//VTK::TCoord::Impl",["  vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);","  ambientColor = ambientColor*tcolor.rgb;","  diffuseColor = diffuseColor*tcolor.rgb;","  opacity = opacity * tcolor.a;"]).result}e.Vertex=n,e.Geometry=r,e.Fragment=o}},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,a=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){const e=t.renderable.getNumberOfClippingPlanes();o=gd.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;",`uniform vec4 clipPlanes[${e}];`,`varying float clipDistancesVSOutput[${e}];`]).result,o=gd.substitute(o,"//VTK::Clip::Impl",[`for (int planeNum = 0; planeNum < ${e}; planeNum++)`,"    {","    if (planeNum >= numClipPlanes)","        {","        break;","        }","    clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);","    }"]).result,a=gd.substitute(a,"//VTK::Clip::Dec",["uniform int numClipPlanes;",`varying float clipDistancesVSOutput[${e}];`]).result,a=gd.substitute(a,"//VTK::Clip::Impl",[`for (int planeNum = 0; planeNum < ${e}; planeNum++)`,"    {","    if (planeNum >= numClipPlanes)","        {","        break;","        }","    if (clipDistancesVSOutput[planeNum] < 0.0) discard;","    }"]).result}e.Vertex=o,e.Fragment=a},e.getCoincidentParameters=(e,n)=>{let r={factor:0,offset:0};const o=n.getProperty();if(t.renderable.getResolveCoincidentTopology()==yl.PolygonOffset||o.getEdgeVisibility()&&o.getRepresentation()===qd.SURFACE){const e=t.lastBoundBO.getPrimitiveType();e===Xd.Points||o.getRepresentation()===qd.POINTS?r=t.renderable.getCoincidentTopologyPointOffsetParameter():e===Xd.Lines||o.getRepresentation()===qd.WIREFRAME?r=t.renderable.getCoincidentTopologyLineOffsetParameters():e!==Xd.Tris&&e!==Xd.TriStrips||(r=t.renderable.getCoincidentTopologyPolygonOffsetParameters()),e!==Xd.TrisEdges&&e!==Xd.TriStripsEdges||(r=t.renderable.getCoincidentTopologyPolygonOffsetParameters(),r.factor/=2,r.offset/=2)}const a=t._openGLRenderer.getSelector();return a&&a.getFieldAssociation()===jd.FIELD_ASSOCIATION_POINTS&&(r.offset-=2),r},e.replaceShaderPicking=(e,n,r)=>{let o=e.Fragment,a=e.Vertex;if(o=gd.substitute(o,"//VTK::Picking::Dec",["uniform int picking;","//VTK::Picking::Dec"]).result,t._openGLRenderer.getSelector()){switch(t.lastSelectionState!==El.ID_LOW24&&t.lastSelectionState!==El.ID_HIGH24||(a=gd.substitute(a,"//VTK::Picking::Dec",["flat out int vertexIDVSOutput;\n","uniform int VertexIDOffset;\n"]).result,a=gd.substitute(a,"//VTK::Picking::Impl","  vertexIDVSOutput = gl_VertexID + VertexIDOffset;\n").result,o=gd.substitute(o,"//VTK::Picking::Dec","flat in int vertexIDVSOutput;\n").result,o=gd.substitute(o,"//VTK::Picking::Impl",["  int idx = vertexIDVSOutput;","//VTK::Picking::Impl"]).result),t.lastSelectionState){case El.ID_LOW24:o=gd.substitute(o,"//VTK::Picking::Impl","  gl_FragData[0] = vec4(float(idx%256)/255.0, float((idx/256)%256)/255.0, float((idx/65536)%256)/255.0, 1.0);").result;break;case El.ID_HIGH24:o=gd.substitute(o,"//VTK::Picking::Impl","  gl_FragData[0] = vec4(float((idx/16777216)%256)/255.0, 0.0, 0.0, 1.0);").result;break;default:o=gd.substitute(o,"//VTK::Picking::Dec","uniform vec3 mapperIndex;").result,o=gd.substitute(o,"//VTK::Picking::Impl","  gl_FragData[0] = picking != 0 ? vec4(mapperIndex,1.0) : gl_FragData[0];").result}e.Fragment=o,e.Vertex=a}},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderColor(n,r,o),e.replaceShaderNormal(n,r,o),e.replaceShaderLight(n,r,o),e.replaceShaderTCoord(n,r,o),e.replaceShaderPicking(n,r,o),e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=gd.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=gd.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}},e.getNeedToRebuildShaders=(e,n,r)=>{let o=0,a=0;const i=e.getPrimitiveType(),s=t.currentInput;let l=!1;const c=s.getPointData().getNormals(),u=s.getCellData().getNormals(),d=r.getProperty().getInterpolation()===Yd.FLAT,p=r.getProperty().getRepresentation(),f=e.getOpenGLMode(p,i);if(f===t.context.TRIANGLES||u&&!c||!d&&c?l=!0:d||f!==t.context.LINES||(l=!0),r.getProperty().getLighting()&&l){o=0;const e=n.getLightsByReference();for(let t=0;t<e.length;++t){const n=e[t];n.getSwitch()>0&&(a++,0===o&&(o=1)),1===o&&(a>1||1!==n.getIntensity()||!n.lightTypeIsHeadLight())&&(o=2),o<3&&n.getPositional()&&(o=3)}}let g=!1;const m=t.lastBoundBO.getReferenceByName("lastLightComplexity"),h=t.lastBoundBO.getReferenceByName("lastLightCount");return m===o&&h===a||(t.lastBoundBO.set({lastLightComplexity:o},!0),t.lastBoundBO.set({lastLightCount:a},!0),g=!0),(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(g=!0),!!(t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||e.getShaderSourceTime().getMTime()<t.renderable.getMTime()||e.getShaderSourceTime().getMTime()<t.currentInput.getMTime()||e.getShaderSourceTime().getMTime()<t.selectionStateChanged.getMTime()||g)&&(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,!0)},e.invokeShaderCallbacks=(e,n,r)=>{const o=t.renderable.getViewSpecificProperties().ShadersCallbacks;o&&o.forEach((t=>{t.callback(t.userData,e,n,r)}))},e.setMapperShaderParameters=(n,r,o)=>{if(n.getProgram().isUniformUsed("PrimitiveIDOffset")&&n.getProgram().setUniformi("PrimitiveIDOffset",t.primitiveIDOffset),n.getProgram().isUniformUsed("VertexIDOffset")&&n.getProgram().setUniformi("VertexIDOffset",t.vertexIDOffset),n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){const e=t.lastBoundBO.getReferenceByName("lastLightComplexity");n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,!1)||$d("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("normalMC")&&n.getCABO().getNormalOffset()&&e>0?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"normalMC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,!1)||$d("Error setting normalMC in shader VAO."):n.getVAO().removeAttributeArray("normalMC"),t.renderable.getCustomShaderAttributes().forEach(((e,r)=>{n.getProgram().isAttributeUsed(`${e}MC`)&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),`${e}MC`,n.getCABO().getCustomData()[r].offset,n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getCustomData()[r].components,!1)||$d(`Error setting ${e}MC in shader VAO.`))})),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),!1)||$d("Error setting tcoordMC in shader VAO."):n.getVAO().removeAttributeArray("tcoordMC"),n.getProgram().isAttributeUsed("scalarColor")&&n.getCABO().getColorComponents()?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO().getColorBO(),"scalarColor",n.getCABO().getColorOffset(),n.getCABO().getColorBOStride(),t.context.UNSIGNED_BYTE,4,!0)||$d("Error setting scalarColor in shader VAO."):n.getVAO().removeAttributeArray("scalarColor"),n.getAttributeUpdateTime().modified()}if(t.renderable.getNumberOfClippingPlanes()){const e=t.renderable.getNumberOfClippingPlanes(),r=[],a=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=a?T(t.tmpMat4,o.getMatrix()):o.getMatrix();a&&(b(i,i),y(i,i,a),b(i,i));for(let n=0;n<e;n++){const e=[];t.renderable.getClippingPlaneInDataCoords(i,n,e);for(let t=0;t<4;t++)r.push(e[t])}n.getProgram().setUniformi("numClipPlanes",e),n.getProgram().setUniform4fv("clipPlanes",r)}t.internalColorTexture&&n.getProgram().isUniformUsed("texture1")&&n.getProgram().setUniformi("texture1",t.internalColorTexture.getTextureUnit());const a=t.openGLActor.getActiveTextures();if(a)for(let e=0;e<a.length;++e){const t=a[e].getTextureUnit(),r=`texture${t+1}`;n.getProgram().isUniformUsed(r)&&n.getProgram().setUniformi(r,t)}if(t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),n.getProgram().isUniformUsed("coffset")){const t=e.getCoincidentParameters(r,o);n.getProgram().setUniformf("coffset",t.offset),n.getProgram().isUniformUsed("cfactor")&&n.getProgram().setUniformf("cfactor",t.factor)}n.setMapperShaderParameters(r,o,t._openGLRenderer.getTiledSizeAndOrigin());const i=t._openGLRenderer.getSelector();n.getProgram().setUniform3fArray("mapperIndex",i?i.getPropColorValue():[0,0,0]),n.getProgram().setUniformi("picking",i?i.getCurrentPass()+1:0)},e.setLightingShaderParameters=(e,n,r)=>{const o=t.lastBoundBO.getReferenceByName("lastLightComplexity");if(o<2)return;const a=e.getProgram();let i=0;const s=n.getLightsByReference();for(let e=0;e<s.length;++e){const r=s[e];if(r.getSwitch()>0){const e=r.getColorByReference(),o=r.getIntensity();t.lightColor[0]=e[0]*o,t.lightColor[1]=e[1]*o,t.lightColor[2]=e[2]*o;const s=r.getDirection(),l=n.getActiveCamera().getViewMatrix(),c=[...s];r.lightTypeIsSceneLight()&&(c[0]=l[0]*s[0]+l[1]*s[1]+l[2]*s[2],c[1]=l[4]*s[0]+l[5]*s[1]+l[6]*s[2],c[2]=l[8]*s[0]+l[9]*s[1]+l[10]*s[2],Xo(c)),t.lightDirection[0]=c[0],t.lightDirection[1]=c[1],t.lightDirection[2]=c[2],Xo(t.lightDirection),a.setUniform3fArray(`lightColor${i}`,t.lightColor),a.setUniform3fArray(`lightDirectionVC${i}`,t.lightDirection),i++}}if(o<3)return;const l=n.getActiveCamera().getViewMatrix();b(l,l),i=0;for(let e=0;e<s.length;++e){const t=s[e];if(t.getSwitch()>0){const e=t.getTransformedPosition(),n=new Float64Array(3);oe(n,e,l),a.setUniform3fArray(`lightAttenuation${i}`,t.getAttenuationValuesByReference()),a.setUniformi(`lightPositional${i}`,t.getPositional()),a.setUniformf(`lightExponent${i}`,t.getExponent()),a.setUniformf(`lightConeAngle${i}`,t.getConeAngle()),a.setUniform3fArray(`lightPositionVC${i}`,[n[0],n[1],n[2]]),i++}}},e.setCameraShaderParameters=(e,r,o)=>{const a=e.getProgram(),i=t.openGLCamera.getKeyMatrices(r),s=r.getActiveCamera(),l=t.openGLCamera.getKeyMatrixTime().getMTime(),c=a.getLastCameraMTime(),u=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,d=o.getIsIdentity(),p=d?{mcwc:null,normalMatrix:null}:t.openGLActor.getKeyMatrices();if(o.getCoordinateSystem()===np.DISPLAY){const e=t._openGLRenderer.getTiledSizeAndOrigin();x(t.tmpMat4),t.tmpMat4[0]=2/e.usize,t.tmpMat4[12]=-1,t.tmpMat4[5]=2/e.vsize,t.tmpMat4[13]=-1,y(t.tmpMat4,t.tmpMat4,u),a.setUniformMatrix("MCPCMatrix",t.tmpMat4)}else a.setUniformMatrix("MCPCMatrix",n([i.wcpc,p.mcwc,u],H,t.tmpMat4));a.isUniformUsed("MCVCMatrix")&&a.setUniformMatrix("MCVCMatrix",n([i.wcvc,p.mcwc,u],H,t.tmpMat4)),a.isUniformUsed("normalMatrix")&&a.setUniformMatrix3x3("normalMatrix",n([i.normalMatrix,p.normalMatrix],h,t.tmpMat3)),c!==l&&(a.isUniformUsed("cameraParallel")&&a.setUniformi("cameraParallel",s.getParallelProjection()),a.setLastCameraMTime(l)),d||a.setLastCameraMTime(0)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram();let a=r.getProperty(),i=a.getOpacity(),s=t.drawingEdges?a.getEdgeColorByReference():a.getAmbientColorByReference(),l=t.drawingEdges?a.getEdgeColorByReference():a.getDiffuseColorByReference(),c=t.drawingEdges?1:a.getAmbient(),u=t.drawingEdges?0:a.getDiffuse(),d=t.drawingEdges?0:a.getSpecular();const p=a.getSpecularPower();o.setUniformf("opacityUniform",i),o.setUniform3fArray("ambientColorUniform",s),o.setUniform3fArray("diffuseColorUniform",l),o.setUniformf("ambient",c),o.setUniformf("diffuse",u);const f=t.lastBoundBO.getReferenceByName("lastLightComplexity");if(f<1)return;let g=a.getSpecularColorByReference();if(o.setUniform3fArray("specularColorUniform",g),o.setUniformf("specularPowerUniform",p),o.setUniformf("specular",d),o.isUniformUsed("ambientIntensityBF")){if(a=r.getBackfaceProperty(),i=a.getOpacity(),s=a.getAmbientColor(),c=a.getAmbient(),l=a.getDiffuseColor(),u=a.getDiffuse(),g=a.getSpecularColor(),d=a.getSpecular(),o.setUniformf("ambientIntensityBF",c),o.setUniformf("diffuseIntensityBF",u),o.setUniformf("opacityUniformBF",i),o.setUniform3fArray("ambientColorUniformBF",s),o.setUniform3fArray("diffuseColorUniformBF",l),f<1)return;o.setUniformf("specularIntensityBF",d),o.setUniform3fArray("specularColorUniformBF",g),o.setUniformf("specularPowerUniformBF",p)}},e.updateMaximumPointCellIds=(e,n)=>{const r=t._openGLRenderer.getSelector();if(!r)return;if(t.selectionWebGLIdsToVTKIds?.points?.length){const e=t.selectionWebGLIdsToVTKIds.points.length;r.setMaximumPointId(e-1)}if(t.selectionWebGLIdsToVTKIds?.cells?.length){const e=t.selectionWebGLIdsToVTKIds.cells.length;r.setMaximumCellId(e-1)}r.getFieldAssociation()===jd.FIELD_ASSOCIATION_POINTS&&(t.pointPicking=!0)},e.renderPieceStart=(n,r)=>{t.primitiveIDOffset=0,t.vertexIDOffset=0;const o=function(e){const t=e.getSelector();return t?t.getCurrentPass():El.MIN_KNOWN_PASS-1}(t._openGLRenderer);t.lastSelectionState!==o&&(t.selectionStateChanged.modified(),t.lastSelectionState=o),t._openGLRenderer.getSelector()&&t._openGLRenderer.getSelector().renderProp(r),e.updateBufferObjects(n,r),t.renderable.getColorTextureMap()&&t.internalColorTexture.activate(),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=r.getProperty().getRepresentation(),a=r.getProperty().getEdgeVisibility()&&o===qd.SURFACE,i=t._openGLRenderer.getSelector(),s=i&&i.getFieldAssociation()===jd.FIELD_ASSOCIATION_POINTS&&(t.lastSelectionState===El.ID_LOW24||t.lastSelectionState===El.ID_HIGH24);for(let i=Xd.Start;i<Xd.End;i++){t.primitives[i].setPointPicking(s);t.primitives[i].getCABO().getElementCount()&&(t.drawingEdges=a&&(i===Xd.TrisEdges||i===Xd.TriStripsEdges),t.drawingEdges&&(t.renderDepth||t.lastSelectionState>=0)||(t.lastBoundBO=t.primitives[i],t.primitiveIDOffset+=t.primitives[i].drawArrays(n,r,o,e),t.vertexIDOffset+=t.primitives[i].getCABO().getElementCount()))}},e.renderPieceFinish=(e,n)=>{t.LastBoundBO&&t.LastBoundBO.getVAO().release(),t.renderable.getColorTextureMap()&&t.internalColorTexture.deactivate()},e.renderPiece=(n,r)=>{if(e.invokeEvent(ep),t.renderable.getStatic()||t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent(tp),!t.currentInput)return void $d("No input!");if(!t.currentInput.getPoints||!t.currentInput.getPoints().getNumberOfValues())return;const o=t.context,a=r.getProperty().getBackfaceCulling(),i=r.getProperty().getFrontfaceCulling();a||i?i?(t._openGLRenderWindow.enableCullFace(),o.cullFace(o.FRONT)):(t._openGLRenderWindow.enableCullFace(),o.cullFace(o.BACK)):t._openGLRenderWindow.disableCullFace(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n),e.updateMaximumPointCellIds()},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o<e.getMTime()||o<t.renderable.getMTime()||o<r.getMTime()||o<t.currentInput.getMTime()},e.buildBufferObjects=(e,n)=>{const r=t.currentInput;if(null===r)return;t.renderable.mapScalars(r,1);const o=t.renderable.getColorMapColors();t.haveCellScalars=!1;const a=t.renderable.getScalarMode();t.renderable.getScalarVisibility()&&(a!==Jd.USE_CELL_DATA&&a!==Jd.USE_CELL_FIELD_DATA&&a!==Jd.USE_FIELD_DATA&&r.getPointData().getScalars()||a===Jd.USE_POINT_FIELD_DATA||!o||(t.haveCellScalars=!0));let i=n.getProperty().getInterpolation()!==Yd.FLAT?r.getPointData().getNormals():null;null===i&&r.getCellData().getNormals()&&(t.haveCellNormals=!0,i=r.getCellData().getNormals());const s=n.getProperty().getRepresentation();let l=r.getPointData().getTCoords();t.openGLActor.getActiveTextures()||(l=null);let c=!1;if(t.renderable.getColorCoordinates()){l=t.renderable.getColorCoordinates(),c=t.renderable.getAreScalarsMappedFromCells(),t.internalColorTexture||(t.internalColorTexture=Kd.newInstance({resizable:!0}));const e=t.internalColorTexture;e.setMinificationFilter(Zd.NEAREST),e.setMagnificationFilter(Zd.NEAREST),e.setWrapS(Qd.CLAMP_TO_EDGE),e.setWrapT(Qd.CLAMP_TO_EDGE),e.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t.renderable.getColorTextureMap(),r=n.getExtent(),o=n.getPointData().getScalars();e.create2DFromRaw({width:r[1]-r[0]+1,height:r[3]-r[2]+1,numComps:o.getNumberOfComponents(),dataType:o.getDataType(),data:o.getData()}),e.activate(),e.sendParameters(),e.deactivate()}const u=t.renderable.getCustomShaderAttributes().map((e=>r.getPointData().getArrayByName(e))),d=`${r.getMTime()}A${s}B${r.getMTime()}C${i?i.getMTime():1}D${o?o.getMTime():1}E${n.getProperty().getEdgeVisibility()}F${l?l.getMTime():1}G${u.map((e=>e.getMTime())).join(",")}`;if(t.VBOBuildString!==d){const e={points:r.getPoints(),normals:i,tcoords:l,colors:o,cellOffset:0,vertexOffset:0,useTCoordsPerCell:c,haveCellScalars:t.haveCellScalars,haveCellNormals:t.haveCellNormals,customAttributes:u};t.renderable.getPopulateSelectionSettings()&&(t.selectionWebGLIdsToVTKIds={points:null,cells:null});const a=[{inRep:"verts",cells:r.getVerts()},{inRep:"lines",cells:r.getLines()},{inRep:"polys",cells:r.getPolys()},{inRep:"strips",cells:r.getStrips()},{inRep:"polys",cells:r.getPolys()},{inRep:"strips",cells:r.getStrips()}],p=n.getProperty().getEdgeVisibility()&&s===qd.SURFACE;for(let n=Xd.Start;n<Xd.End;n++)n!==Xd.TrisEdges&&n!==Xd.TriStripsEdges?(e.cellOffset+=t.primitives[n].getCABO().createVBO(a[n].cells,a[n].inRep,s,e,t.selectionWebGLIdsToVTKIds),e.vertexOffset+=t.primitives[n].getCABO().getElementCount()):p?t.primitives[n].getCABO().createVBO(a[n].cells,a[n].inRep,qd.WIREFRAME,{...e,tcoords:null,colors:null,haveCellScalars:!1,haveCellNormals:!1}):t.primitives[n].releaseGraphicsResources();t.renderable.getPopulateSelectionSettings()&&t.renderable.setSelectionWebGLIdsToVTKIds(t.selectionWebGLIdsToVTKIds),t.VBOBuildString=d}t.VBOBuildTime.modified()},e.getAllocatedGPUMemoryInBytes=()=>{let e=0;return t.primitives.forEach((t=>{e+=t.getAllocatedGPUMemoryInBytes()})),e}}const op={context:null,VBOBuildTime:0,VBOBuildString:null,primitives:null,primTypes:null,shaderRebuildString:null,tmpMat4:null,ambientColor:[],diffuseColor:[],specularColor:[],lightColor:[],lightDirection:[],lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastSelectionState:El.MIN_KNOWN_PASS-1,selectionStateChanged:null,selectionWebGLIdsToVTKIds:null,pointPicking:!1};function ap(e,t,n={}){Object.assign(t,op,n),fn.extend(e,t,n),Hd.implementReplaceShaderCoincidentOffset(e,t,n),Hd.implementBuildShadersWithReplacements(e,t,n),t.primitives=[],t.primTypes=Xd,t.tmpMat3=c(new Float64Array(9)),t.tmpMat4=x(new Float64Array(16));for(let e=Xd.Start;e<Xd.End;e++)t.primitives[e]=Ad.newInstance(),t.primitives[e].setPrimitiveType(e),t.primitives[e].set({lastLightComplexity:0,lastLightCount:0,lastSelectionPass:!1},!0);Ut(e,t,["context"]),t.VBOBuildTime={},Lt(t.VBOBuildTime,{mtime:0}),t.selectionStateChanged={},Lt(t.selectionStateChanged,{mtime:0}),rp(e,t)}const ip=qt(ap,"vtkOpenGLPolyDataMapper");var sp={newInstance:ip,extend:ap};Tn("vtkMapper",ip);const lp=1,{primTypes:cp}=Ad,{Filter:up,Wrap:dp}=Kd,{vtkErrorMacro:pp}=cn,fp={type:"StartEvent"},gp={type:"EndEvent"};const mp={context:null,VBOBuildTime:0,VBOBuildString:null,primitives:null,primTypes:null,shaderRebuildString:null};const hp=qt((function(e,t,n={}){Object.assign(t,mp,n),fn.extend(e,t,n),Hd.implementReplaceShaderCoincidentOffset(e,t,n),Hd.implementBuildShadersWithReplacements(e,t,n),t.primitives=[],t.primTypes=cp,t.tmpMat4=x(new Float64Array(16));for(let e=cp.Start;e<cp.End;e++)t.primitives[e]=Ad.newInstance(),t.primitives[e].setPrimitiveType(e),t.primitives[e].set({lastLightComplexity:0,lastLightCount:0,lastSelectionPass:!1},!0);Ut(e,t,["context"]),t.VBOBuildTime={},Lt(t.VBOBuildTime,{mtime:0}),function(e,t){t.classHierarchy.push("vtkOpenGLPolyDataMapper2D"),e.buildPass=n=>{n&&(t.openGLActor2D=e.getFirstAncestorOfType("vtkOpenGLActor2D"),t._openGLRenderer=t.openGLActor2D.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getLastAncestorOfType("vtkOpenGLRenderWindow"),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera(),t.openGLCamera))},e.overlayPass=t=>{t&&e.render()},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n  Program:   Visualization Toolkit\n  Module:    vtkPolyData2DVS.glsl\n\n  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n  All rights reserved.\n  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n     This software is distributed WITHOUT ANY WARRANTY; without even\n     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n     PURPOSE.  See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model Coordinates\n// WC - WC world coordinates\n// VC - View Coordinates\n// DC - Display Coordinates\n\nin vec4 vertexWC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\nuniform mat4 WCVCMatrix;  // World to view matrix\n\nvoid main()\n{\n  // Apple Bug\n  //VTK::PrimID::Impl\n\n  gl_Position = WCVCMatrix*vertexWC;\n\n  //VTK::TCoord::Impl\n\n  //VTK::Color::Impl\n\n  //VTK::PositionVC::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n  Program:   Visualization Toolkit\n  Module:    vtkPolyData2DFS.glsl\n\n  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n  All rights reserved.\n  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n     This software is distributed WITHOUT ANY WARRANTY; without even\n     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n     PURPOSE.  See the above copyright notice for more information.\n\n=========================================================================*/\n\nuniform int PrimitiveIDOffset;\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// Scalar coloring\n//VTK::Color::Dec\n\n// Depth Peeling\n//VTK::DepthPeeling::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\nvoid main()\n{\n  // Apple Bug\n  //VTK::PrimID::Impl\n\n  //VTK::Color::Impl\n  //VTK::TCoord::Impl\n\n  //VTK::DepthPeeling::Impl\n  //VTK::Picking::Impl\n\n  if (gl_FragData[0].a <= 0.0)\n    {\n    discard;\n    }\n}\n",e.Geometry=""},e.render=()=>{const n=t._openGLRenderWindow.getContext();if(t.context!==n){t.context=n;for(let e=cp.Start;e<cp.End;e++)t.primitives[e].setOpenGLRenderWindow(t._openGLRenderWindow)}const r=t.openGLActor2D.getRenderable(),o=t._openGLRenderer.getRenderable();e.renderPiece(o,r)},e.renderPiece=(n,r)=>{if(e.invokeEvent(fp),t.renderable.getStatic()||t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent(gp),!t.currentInput)return void pp("No input!");if(!t.currentInput.getPoints||!t.currentInput.getPoints().getNumberOfValues())return;const o=t.context;t._openGLRenderWindow.enableCullFace(),o.cullFace(o.BACK),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)},e.renderPieceStart=(n,r)=>{t.primitiveIDOffset=0,t._openGLRenderer.getSelector()&&(t._openGLRenderer.getSelector().getCurrentPass(),t._openGLRenderer.getSelector().renderProp(r)),t.renderable.getColorTextureMap()&&t.internalColorTexture.activate(),e.updateBufferObjects(n,r),t.lastBoundBO=null},e.getNeedToRebuildShaders=(e,n,r)=>e.getShaderSourceTime().getMTime()<t.renderable.getMTime()||e.getShaderSourceTime().getMTime()<t.currentInput.getMTime(),e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return!!(o<e.getMTime()||o<t._openGLRenderWindow.getMTime()||o<t.renderable.getMTime()||o<r.getMTime()||o<t.currentInput.getMTime()||t.renderable.getTransformCoordinate()&&o<n.getMTime())},e.buildBufferObjects=(e,n)=>{const r=t.currentInput;if(null===r)return;t.renderable.mapScalars(r,n.getProperty().getOpacity());const o=t.renderable.getColorMapColors(),a=n.getProperty().getRepresentation();let i=r.getPointData().getTCoords();t.openGLActor2D.getActiveTextures()||(i=null);let s=!1;if(t.renderable.getColorCoordinates()){i=t.renderable.getColorCoordinates(),s=t.renderable.getAreScalarsMappedFromCells(),t.internalColorTexture||(t.internalColorTexture=Kd.newInstance({resizable:!0}));const e=t.internalColorTexture;e.setMinificationFilter(up.NEAREST),e.setMagnificationFilter(up.NEAREST),e.setWrapS(dp.CLAMP_TO_EDGE),e.setWrapT(dp.CLAMP_TO_EDGE),e.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t.renderable.getColorTextureMap(),r=n.getExtent(),o=n.getPointData().getScalars();e.create2DFromRaw({width:r[1]-r[0]+1,height:r[3]-r[2]+1,numComps:o.getNumberOfComponents(),dataType:o.getDataType(),data:o.getData()}),e.activate(),e.sendParameters(),e.deactivate()}const l=t.renderable.getTransformCoordinate(),c=e.getRenderWindow().getViews()[0].getViewportSize(e),u=`${r.getMTime()}A${a}B${r.getMTime()}C${o?o.getMTime():1}D${i?i.getMTime():1}E${l?e.getMTime():1}F${c}`;if(t.VBOBuildString!==u){let n=r.getPoints();if(l){const t=ac.newInstance(),r=n.getNumberOfPoints();t.setNumberOfPoints(r);const o=[];for(let a=0;a<r;++a){n.getPoint(a,o),l.setValue(o);const r=l.getComputedDoubleViewportValue(e);t.setPoint(a,r[0],r[1],0)}n=t}const c={points:n,tcoords:i,colors:o,cellOffset:0,useTCoordsPerCell:s,haveCellScalars:t.renderable.getAreScalarsMappedFromCells(),customAttributes:t.renderable.getCustomShaderAttributes().map((e=>r.getPointData().getArrayByName(e)))};c.cellOffset+=t.primitives[cp.Points].getCABO().createVBO(r.getVerts(),"verts",a,c),c.cellOffset+=t.primitives[cp.Lines].getCABO().createVBO(r.getLines(),"lines",a,c),c.cellOffset+=t.primitives[cp.Tris].getCABO().createVBO(r.getPolys(),"polys",a,c),c.cellOffset+=t.primitives[cp.TriStrips].getCABO().createVBO(r.getStrips(),"strips",a,c),t.VBOBuildTime.modified(),t.VBOBuildString=u}},e.renderPieceDraw=(n,r)=>{const o=r.getProperty().getRepresentation();t.context.depthMask(!0);for(let a=cp.Start;a<cp.End;a++)t.primitives[a].getCABO().getElementCount()&&(t.lastBoundBO=t.primitives[a],t.primitiveIDOffset+=t.primitives[a].drawArrays(n,r,o,e))},e.renderPieceFinish=(e,n)=>{t.lastBoundBO&&t.lastBoundBO.getVAO().release(),t.renderable.getColorTextureMap()&&t.internalColorTexture.deactivate()},e.replaceShaderValues=(t,n,r)=>{e.replaceShaderColor(t,n,r),e.replaceShaderTCoord(t,n,r),e.replaceShaderPicking(t,n,r),e.replaceShaderPositionVC(t,n,r)},e.replaceShaderColor=(e,n,r)=>{let o=e.Vertex,a=e.Geometry,i=e.Fragment,s=["uniform vec3 diffuseColorUniform;","uniform float opacityUniform;"],l=["vec3 diffuseColor = diffuseColorUniform;","float opacity = opacityUniform;"];0!==t.lastBoundBO.getCABO().getColorComponents()?(s=s.concat(["varying vec4 vertexColorVSOutput;"]),o=gd.substitute(o,"//VTK::Color::Dec",["attribute vec4 scalarColor;","varying vec4 vertexColorVSOutput;"]).result,o=gd.substitute(o,"//VTK::Color::Impl",["vertexColorVSOutput =  scalarColor;"]).result,a=gd.substitute(a,"//VTK::Color::Dec",["in vec4 vertexColorVSOutput[];","out vec4 vertexColorGSOutput;"]).result,a=gd.substitute(a,"//VTK::Color::Impl",["vertexColorGSOutput = vertexColorVSOutput[i];"]).result,i=gd.substitute(i,"//VTK::Color::Impl",l.concat(["  diffuseColor = vertexColorVSOutput.rgb;","  opacity = opacity*vertexColorVSOutput.a;"])).result):t.renderable.getAreScalarsMappedFromCells()&&(l=l.concat(["  vec4 texColor = texture2D(texture1, tcoordVCVSOutput.st);","  diffuseColor = texColor.rgb;","  opacity = opacity*texColor.a;"])),l=l.concat(["gl_FragData[0] = vec4(diffuseColor, opacity);"]),i=gd.substitute(i,"//VTK::Color::Dec",s).result,i=gd.substitute(i,"//VTK::Color::Impl",l).result,e.Vertex=o,e.Geometry=a,e.Fragment=i},e.replaceShaderTCoord=(e,n,r)=>{if(t.lastBoundBO.getCABO().getTCoordOffset()){let n=e.Vertex,r=e.Geometry,o=e.Fragment;const a=t.lastBoundBO.getCABO().getTCoordComponents();1===a?(n=gd.substitute(n,"//VTK::TCoord::Dec",["in float tcoordMC;","out float tcoordVCVSOutput;"]).result,n=gd.substitute(n,"//VTK::TCoord::Impl",["tcoordVCVSOutput = tcoordMC;"]).result,r=gd.substitute(r,"//VTK::TCoord::Dec",["in float tcoordVCVSOutput[];\n","out float tcoordVCGSOutput;"]).result,r=gd.substitute(r,["//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];"]).result,o=gd.substitute(o,"//VTK::TCoord::Dec",["in float tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,o=gd.substitute(o,"//VTK::TCoord::Impl",["gl_FragData[0] = gl_FragData[0]*texture2D(texture1, vec2(tcoordVCVSOutput,0));"]).result):2===a&&(n=gd.substitute(n,"//VTK::TCoord::Dec",["in vec2 tcoordMC;","out vec2 tcoordVCVSOutput;"]).result,n=gd.substitute(n,"//VTK::TCoord::Impl",["tcoordVCVSOutput = tcoordMC;"]).result,r=gd.substitute(r,"//VTK::TCoord::Dec",["in vec2 tcoordVCVSOutput[];\n","out vec2 tcoordVCGSOutput;"]).result,r=gd.substitute(r,"//VTK::TCoord::Impl",["tcoordVCGSOutput = tcoordVCVSOutput[i];"]).result,o=gd.substitute(o,"//VTK::TCoord::Dec",["in vec2 tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,o=gd.substitute(o,"//VTK::TCoord::Impl",["gl_FragData[0] = gl_FragData[0]*texture2D(texture1, tcoordVCVSOutput.st);"]).result),t.renderable.getAreScalarsMappedFromCells()&&(r=gd.substitute(r,"//VTK::PrimID::Impl",["gl_PrimitiveID = gl_PrimitiveIDIn;"]).result),e.Vertex=n,e.Geometry=r,e.Fragment=o}},e.replaceShaderPicking=(e,t,n)=>{let r=e.Fragment;r=gd.substitute(r,"//VTK::Picking::Dec",["uniform vec3 mapperIndex;","uniform int picking;"]).result,r=gd.substitute(r,"//VTK::Picking::Impl","  gl_FragData[0] = picking != 0 ? vec4(mapperIndex,1.0) : gl_FragData[0];").result,e.Fragment=r},e.replaceShaderPositionVC=(e,n,r)=>{t.lastBoundBO.replaceShaderPositionVC(e,n,r)},e.invokeShaderCallbacks=(e,n,r)=>{const o=t.renderable.getViewSpecificProperties().ShadersCallbacks;o&&o.forEach((t=>{t.callback(t.userData,e,n,r)}))},e.setMapperShaderParameters=(e,n,r)=>{if(e.getProgram().isUniformUsed("PrimitiveIDOffset")&&e.getProgram().setUniformi("PrimitiveIDOffset",t.primitiveIDOffset),e.getProgram().isAttributeUsed("vertexWC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"vertexWC",e.getCABO().getVertexOffset(),e.getCABO().getStride(),t.context.FLOAT,3,!1)||pp("Error setting vertexWC in shader VAO.")),e.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime())){t.renderable.getCustomShaderAttributes().forEach(((n,r)=>{e.getProgram().isAttributeUsed(`${n}MC`)&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),`${n}MC`,e.getCABO().getCustomData()[r].offset,e.getCABO().getStride(),t.context.FLOAT,e.getCABO().getCustomData()[r].components,!1)||pp(`Error setting ${n}MC in shader VAO.`))})),e.getProgram().isAttributeUsed("tcoordMC")&&e.getCABO().getTCoordOffset()?e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"tcoordMC",e.getCABO().getTCoordOffset(),e.getCABO().getStride(),t.context.FLOAT,e.getCABO().getTCoordComponents(),!1)||pp("Error setting tcoordMC in shader VAO."):e.getVAO().removeAttributeArray("tcoordMC"),e.getProgram().isAttributeUsed("scalarColor")&&e.getCABO().getColorComponents()?e.getVAO().addAttributeArray(e.getProgram(),e.getCABO().getColorBO(),"scalarColor",e.getCABO().getColorOffset(),e.getCABO().getColorBOStride(),t.context.UNSIGNED_BYTE,4,!0)||pp("Error setting scalarColor in shader VAO."):e.getVAO().removeAttributeArray("scalarColor"),t.internalColorTexture&&e.getProgram().isUniformUsed("texture1")&&t.internalColorTexture.getTextureUnit()>-1&&e.getProgram().setUniformi("texture1",t.internalColorTexture.getTextureUnit());const o=t.openGLActor2D.getActiveTextures();if(o)for(let t=0;t<o.length;++t){const n=o[t].getTextureUnit(),r=`texture${n+1}`;e.getProgram().isUniformUsed(r)&&e.getProgram().setUniformi(r,n)}e.setMapperShaderParameters(n,r,t._openGLRenderer.getTiledSizeAndOrigin());const a=t._openGLRenderer.getSelector();e.getProgram().setUniform3fArray("mapperIndex",a?a.getPropColorValue():[0,0,0]),e.getProgram().setUniformi("picking",a?a.getCurrentPass()+1:0)}},e.setPropertyShaderParameters=(e,n,r)=>{const o=t.renderable.getColorMapColors();if(!o||0===o.getNumberOfComponents()){const t=e.getProgram(),n=r.getProperty(),o=n.getOpacity();t.setUniformf("opacityUniform",o);const a=n.getColor();t.setUniform3fArray("diffuseColorUniform",a)}},e.setLightingShaderParameters=(e,t,n)=>{},e.setCameraShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,i=n.getRenderWindow().getViews()[0].getViewportSize(n),s=n.getViewport(),l=r.getActualPositionCoordinate().getComputedDoubleViewportValue(n),c=[0,0,1,1],u=[0,0,1,1];if(u[0]=s[0]>=c[0]?s[0]:c[0],u[1]=s[1]>=c[1]?s[1]:c[1],u[2]=s[2]<=c[2]?s[2]:c[2],u[3]=s[3]<=c[3]?s[3]:c[3],u[0]>=u[2])return;if(u[1]>=u[3])return;i[0]=Ro(i[0]*(u[2]-u[0])/(s[2]-s[0])),i[1]=Ro(i[1]*(u[3]-u[1])/(s[3]-s[1]));const d=t._openGLRenderer.getParent().getSize(),p=Ro(l[0]-(u[0]-s[0])*d[0]),f=Ro(l[1]-(u[1]-s[1])*d[1]),g=-p;let m=-p+i[0];const h=-f;let v=-f+i[1];g===m&&(m=g+1),h===v&&(v=h+1);const T=x(new Float64Array(16));var A,y,C;T[0]=2/(m-g),T[5]=2/(v-h),T[3]=-1*(m+g)/(m-g),T[7]=-1*(v+h)/(v-h),T[10]=0,T[11]=r.getProperty().getDisplayLocation()===lp?-1:1,T[15]=1,b(T,T),o.setUniformMatrix("WCVCMatrix",(A=[T,a],y=H,C=t.tmpMat4,y.identity(C),A.reduce(((e,t,n)=>0===n?t?y.copy(e,t):y.identity(e):t?y.multiply(e,e,t):e),C)))},e.getAllocatedGPUMemoryInBytes=()=>{let e=0;return t.primitives.forEach((t=>{e+=t.getAllocatedGPUMemoryInBytes()})),e}}(e,t)}),"vtkOpenGLPolyDataMapper2D");Tn("vtkMapper2D",hp);var vp={Orientation:{HORIZONTAL:"horizontal",VERTICAL:"vertical",AUTO:"auto"}};const{VectorMode:Tp}=vl,{Orientation:xp}=vp;function bp(e,t,n){e.strokeStyle=t.strokeColor,e.lineWidth=t.strokeSize,e.fillStyle=t.fontColor;const r=t.fontSize??n;e.font=`${t.fontStyle} ${r}px ${t.fontFamily}`}function Ap(e,t){return e=>{const n=e.getLastSize(),r=(n[0]/700)**.8,o=(n[1]/700)**.8,a=Math.min(r,o),i=e.getAxisTextStyle(),s=e.getTickTextStyle();Object.assign(i,t.axisTextStyle),Object.assign(s,t.tickTextStyle),void 0===i.fontSize&&(i.fontSize=Math.max(24*a,12)),void 0===s.fontSize&&(e.getLastAspectRatio()>1?s.fontSize=Math.max(20*a,10):s.fontSize=Math.max(16*a,10));const l=e.updateTextureAtlas();e.setTopTitle(!1);const c=e.getBoxSizeByReference();let u=!1;if(u=t.orientation===xp.VERTICAL||t.orientation!==xp.HORIZONTAL&&e.getLastAspectRatio()>1,u)e.setTickLabelPixelOffset(.3*s.fontSize),l.titleWidth<=l.tickWidth+e.getTickLabelPixelOffset()+.8*s.fontSize?(e.setTopTitle(!0),e.setAxisTitlePixelOffset(.2*s.fontSize),c[0]=2*(l.tickWidth+e.getTickLabelPixelOffset()+.8*s.fontSize)/n[0],e.setBoxPosition([.98-c[0],-.92])):(e.setAxisTitlePixelOffset(.2*s.fontSize),c[0]=2*(l.titleHeight+e.getAxisTitlePixelOffset()+l.tickWidth+e.getTickLabelPixelOffset()+.8*s.fontSize)/n[0],e.setBoxPosition([.99-c[0],-.92])),c[1]=Math.max(1.2,Math.min(1.84/o,1.84));else{e.setAxisTitlePixelOffset(1.2*s.fontSize),e.setTickLabelPixelOffset(.1*s.fontSize);const t=2*(.8*s.fontSize+l.titleHeight+e.getAxisTitlePixelOffset())/n[1],r=2*l.tickWidth/n[0];c[0]=Math.min(1.9,Math.max(1.4,1.4*r*(e.getTicks().length+3))),c[1]=t,e.setBoxPosition([-.5*c[0],-.97])}e.recomputeBarSegments(l)}}function yp(e,t){return e=>{const t=e.getLastTickBounds(),n=eo().domain([t[0],t[1]]),r=n.ticks(5),o=n.tickFormat(5);e.setTicks(r),e.setTickStrings(r.map(o))}}const Cp=ln.newInstance(((e,t,n={renderable:null})=>{Object.assign(t,{},n),ln.obj(e,t),ln.setGet(e,t,["axisTitlePixelOffset","tickLabelPixelOffset","renderable","topTitle","ticks","tickStrings","tickPositions"]),ln.get(e,t,["lastSize","lastAspectRatio","lastTickBounds","axisTextStyle","tickTextStyle","barActor","tmActor"]),ln.getArray(e,t,["boxPosition","boxSize"]),ln.setArray(e,t,["boxPosition","boxSize"],2),t.forceUpdate=!1,t.lastRebuildTime={},ln.obj(t.lastRebuildTime,{mtime:0}),t.lastSize=[-1,-1],t.tmCanvas=document.createElement("canvas"),t.tmContext=t.tmCanvas.getContext("2d"),t._tmAtlas=new Map,t.barMapper=Yl.newInstance(),t.barMapper.setInterpolateScalarsBeforeMapping(!0),t.barMapper.setUseLookupTableScalarRange(!0),t.polyData=wu.newInstance(),t.barMapper.setInputData(t.polyData),t.barActor=gs.newInstance(),t.barActor.setMapper(t.barMapper),t.tmPolyData=wu.newInstance(),t.tmMapper=Yl.newInstance(),t.tmMapper.setInputData(t.tmPolyData),t.tmTexture=Ru.newInstance({resizable:!0}),t.tmTexture.setInterpolate(!1),t.tmActor=gs.newInstance({parentProp:e}),t.tmActor.setMapper(t.tmMapper),t.tmActor.addTexture(t.tmTexture),t.barPosition=[0,0],t.barSize=[0,0],t.boxPosition=[.88,-.92],t.boxSize=[.1,1.1],t.lastTickBounds=[],function(e,t){t.classHierarchy.push("vtkScalarBarActorHelper"),e.setRenderable=n=>{t.renderable!==n&&(t.renderable=n,t.barActor.setProperty(n.getProperty()),t.barActor.setParentProp(n),t.barActor.setCoordinateSystemToDisplay(),t.tmActor.setProperty(n.getProperty()),t.tmActor.setParentProp(n),t.tmActor.setCoordinateSystemToDisplay(),t.generateTicks=n.generateTicks,t.axisTextStyle={...n.getAxisTextStyle()},t.tickTextStyle={...n.getTickTextStyle()},e.modified())},e.updateAPISpecificData=(n,r,o)=>{t.lastSize[0]===n[0]&&t.lastSize[1]===n[1]||(t.lastSize[0]=n[0],t.lastSize[1]=n[1],t.lastAspectRatio=n[0]/n[1],t.forceUpdate=!0);const a=t.renderable.getScalarsToColors();if(a&&t.renderable.getVisibility()&&(t.barMapper.setLookupTable(a),t.camera=r,t.renderWindow=o,t.forceUpdate||Math.max(a.getMTime(),e.getMTime(),t.renderable.getMTime())>t.lastRebuildTime.getMTime())){const n=a.getMappingRange();if(t.lastTickBounds=[...n],t.renderable.getGenerateTicks()(e),t.renderable.getAutomated())t.renderable.getAutoLayout()(e);else{t.axisTextStyle={...t.renderable.getAxisTextStyle()},t.tickTextStyle={...t.renderable.getTickTextStyle()},t.barPosition=[...t.renderable.getBarPosition()],t.barSize=[...t.renderable.getBarSize()],t.boxPosition=[...t.renderable.getBoxPosition()],t.boxSize=[...t.renderable.getBoxSize()],t.axisTitlePixelOffset=t.renderable.getAxisTitlePixelOffset(),t.tickLabelPixelOffset=t.renderable.getTickLabelPixelOffset();const n=e.updateTextureAtlas();e.recomputeBarSegments(n)}e.updatePolyDataForLabels(),e.updatePolyDataForBarSegments(),t.lastRebuildTime.modified(),t.forceUpdate=!1}},e.updateTextureAtlas=()=>{t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left";const n={},r=new Map;let o=0,a=1;bp(t.tmContext,t.axisTextStyle,18);let i=t.tmContext.measureText(t.renderable.getAxisLabel()),s={height:i.actualBoundingBoxAscent+2,startingHeight:a,width:i.width+2,textStyle:t.axisTextStyle};r.set(t.renderable.getAxisLabel(),s),a+=s.height,o=s.width,n.titleWidth=s.width,n.titleHeight=s.height,n.tickWidth=0,n.tickHeight=0,bp(t.tmContext,t.tickTextStyle,14);const l=[...e.getTickStrings(),"NaN","Below","Above"];for(let e=0;e<l.length;e++)r.has(l[e])||(i=t.tmContext.measureText(l[e]),s={height:i.actualBoundingBoxAscent+2,startingHeight:a,width:i.width+2,textStyle:t.tickTextStyle},r.set(l[e],s),a+=s.height,o<s.width&&(o=s.width),n.tickWidth<s.width&&(n.tickWidth=s.width),n.tickHeight<s.height&&(n.tickHeight=s.height));return o=Fo(o),a=Fo(a),r.forEach((e=>{e.tcoords=[0,(a-e.startingHeight-e.height)/a,e.width/o,(a-e.startingHeight-e.height)/a,e.width/o,(a-e.startingHeight)/a,0,(a-e.startingHeight)/a]})),t.tmCanvas.width=o,t.tmCanvas.height=a,t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left",t.tmContext.clearRect(0,0,o,a),r.forEach(((e,n)=>{const r=e.textStyle===t.axisTextStyle?18:14;bp(t.tmContext,e.textStyle,r),t.tmContext.fillText(n,1,e.startingHeight+e.height-1)})),t.tmTexture.setCanvas(t.tmCanvas),t.tmTexture.modified(),t._tmAtlas=r,n},e.computeBarSize=e=>{t.vertical=t.boxSize[1]>t.boxSize[0];const n=2*e.tickHeight/t.lastSize[1],r=[1,1];if(t.vertical){const o=2*(e.tickWidth+t.tickLabelPixelOffset)/t.lastSize[0];if(t.topTitle){const n=2*(e.titleHeight+t.axisTitlePixelOffset)/t.lastSize[1];t.barSize[0]=t.boxSize[0]-o,t.barSize[1]=t.boxSize[1]-n}else{const n=2*(e.titleHeight+t.axisTitlePixelOffset)/t.lastSize[0];t.barSize[0]=t.boxSize[0]-n-o,t.barSize[1]=t.boxSize[1]}t.barPosition[0]=t.boxPosition[0]+o,t.barPosition[1]=t.boxPosition[1],r[1]=n}else{const n=(2*e.tickWidth-8)/t.lastSize[0],o=2*(e.titleHeight+t.axisTitlePixelOffset)/t.lastSize[1];t.barSize[0]=t.boxSize[0],t.barPosition[0]=t.boxPosition[0],t.barSize[1]=t.boxSize[1]-o,t.barPosition[1]=t.boxPosition[1],r[0]=n}return r},e.recomputeBarSegments=n=>{const r=e.computeBarSize(n);t.barSegments=[];const o=[0,0],a=t.vertical?1:0,i=t.vertical?.01:.02;function s(e,n){t.barSegments.push({corners:[[...o],[o[0]+r[0],o[1]],[o[0]+r[0],o[1]+r[1]],[o[0],o[1]+r[1]]],scalars:n,title:e}),o[a]+=r[a]+i}t.renderable.getDrawNanAnnotation()&&t.renderable.getScalarsToColors().getNanColor()&&s("NaN",[NaN,NaN,NaN,NaN]),t.renderable.getDrawBelowRangeSwatch()&&t.renderable.getScalarsToColors().getUseBelowRangeColor?.()&&s("Below",[-.1,-.1,-.1,-.1]);const l=t.renderable.getScalarsToColors().getUseAboveRangeColor?.();o[a]+=i;const c=r[a];r[a]=l?1-2*i-r[a]-o[a]:1-i-o[a],s("ticks",t.vertical?[0,0,.995,.995]:[0,.995,.995,0]),t.renderable.getDrawAboveRangeSwatch()&&l&&(r[a]=c,o[a]+=i,s("Above",[1.1,1.1,1.1,1.1]))};const n=new Float64Array(3);e.createPolyDataForOneLabel=(e,r,o,a,i,s)=>{const l=t._tmAtlas.get(e);if(!l)return;let c=s.ptIdx,u=s.cellIdx;n[0]=(.5*r[0]+.5)*t.lastSize[0],n[1]=(.5*r[1]+.5)*t.lastSize[1],n[2]=r[2],n[0]+=i[0],n[1]+=i[1];const d=[],p="vertical"===a?[1,0]:[0,1];"vertical"===a?(d[0]=l.width,d[1]=-l.height,"middle"===o[0]?n[1]-=l.width/2:"right"===o[0]&&(n[1]-=l.width),"middle"===o[1]?n[0]+=l.height/2:"top"===o[1]&&(n[0]+=l.height)):(d[0]=l.width,d[1]=l.height,"middle"===o[0]?n[0]-=l.width/2:"right"===o[0]&&(n[0]-=l.width),"middle"===o[1]?n[1]-=l.height/2:"top"===o[1]&&(n[1]-=l.height)),s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[0],s.tcoords[2*c+1]=l.tcoords[1],c++,n[p[0]]+=d[0],s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[2],s.tcoords[2*c+1]=l.tcoords[3],c++,n[p[1]]+=d[1],s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[4],s.tcoords[2*c+1]=l.tcoords[5],c++,n[p[0]]-=d[0],s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[6],s.tcoords[2*c+1]=l.tcoords[7],c++,s.polys[4*u]=3,s.polys[4*u+1]=c-4,s.polys[4*u+2]=c-3,s.polys[4*u+3]=c-2,u++,s.polys[4*u]=3,s.polys[4*u+1]=c-4,s.polys[4*u+2]=c-2,s.polys[4*u+3]=c-1,s.ptIdx+=4,s.cellIdx+=2};const r=new Float64Array(3);e.updatePolyDataForLabels=()=>{const n=e.getTickStrings().length+t.barSegments.length,o=4*n,a=2*n,i=new Float64Array(3*o),s=new Uint16Array(4*a),l=new Float32Array(2*o),c={ptIdx:0,cellIdx:0,polys:s,points:i,tcoords:l},u=t.vertical?0:1,d=t.vertical?1:0;r[2]=-.99;const p=t.vertical?["right","middle"]:["middle","bottom"];let f=[0,1];const g=[0,0];t.vertical?(g[0]=-t.tickLabelPixelOffset,t.topTitle?(r[0]=t.boxPosition[0]+.5*t.boxSize[0],r[1]=t.barPosition[1]+t.barSize[1],e.createPolyDataForOneLabel(t.renderable.getAxisLabel(),r,["middle","bottom"],"horizontal",[0,t.axisTitlePixelOffset],c)):(r[0]=t.barPosition[0]+t.barSize[0],r[1]=t.barPosition[1]+.5*t.barSize[1],e.createPolyDataForOneLabel(t.renderable.getAxisLabel(),r,["middle","top"],"vertical",[t.axisTitlePixelOffset,0],c)),f=[-1,0]):(g[1]=t.tickLabelPixelOffset,r[0]=t.barPosition[0]+.5*t.barSize[0],r[1]=t.barPosition[1]+t.barSize[1],e.createPolyDataForOneLabel(t.renderable.getAxisLabel(),r,["middle","bottom"],"horizontal",[0,t.axisTitlePixelOffset],c)),r[u]=t.barPosition[u]+(.5*f[u]+.5)*t.barSize[u],r[d]=t.barPosition[d]+.5*t.barSize[d];let m=null;for(let n=0;n<t.barSegments.length;n++){const o=t.barSegments[n];"ticks"===o.title?m=o:(r[d]=t.barPosition[d]+.5*t.barSize[d]*(o.corners[2][d]+o.corners[0][d]),e.createPolyDataForOneLabel(o.title,r,p,"horizontal",g,c))}const h=t.barPosition[d]+t.barSize[d]*m.corners[0][d],v=t.barSize[d]*(m.corners[2][d]-m.corners[0][d]),T=e.getTicks(),x=e.getTickStrings(),b=e.getTickPositions();for(let n=0;n<T.length;n++){const o=b?b[n]:(T[n]-t.lastTickBounds[0])/(t.lastTickBounds[1]-t.lastTickBounds[0]);r[d]=h+v*o,e.createPolyDataForOneLabel(x[n],r,p,"horizontal",g,c)}const A=Os.newInstance({numberOfComponents:2,values:l,name:"TextureCoordinates"});t.tmPolyData.getPointData().setTCoords(A),t.tmPolyData.getPoints().setData(i,3),t.tmPolyData.getPoints().modified(),t.tmPolyData.getPolys().setData(s,1),t.tmPolyData.getPolys().modified(),t.tmPolyData.modified()},e.updatePolyDataForBarSegments=()=>{const e=t.renderable.getScalarsToColors();let n=0;t.renderable.getDrawNanAnnotation()&&e.getNanColor()&&(n+=1),t.renderable.getDrawBelowRangeSwatch()&&e.getUseBelowRangeColor?.()&&(n+=1),t.renderable.getDrawAboveRangeSwatch()&&e.getUseAboveRangeColor?.()&&(n+=1);const o=4*(1+n),a=o;let i=1;e.getVectorMode()===Tp.COMPONENT&&(i=e.getVectorComponent()+1);const s=new Float64Array(3*o),l=new Uint16Array(5*a),c=new Float32Array(o*i);let u=0,d=0;for(let e=0;e<t.barSegments.length;e++){const n=t.barSegments[e];for(let e=0;e<4;e++){r[0]=t.barPosition[0]+n.corners[e][0]*t.barSize[0],r[1]=t.barPosition[1]+n.corners[e][1]*t.barSize[1],s[3*u]=(.5*r[0]+.5)*t.lastSize[0],s[3*u+1]=(.5*r[1]+.5)*t.lastSize[1],s[3*u+2]=r[2];for(let r=0;r<i;r++)c[u*i+r]=t.lastTickBounds[0]+n.scalars[e]*(t.lastTickBounds[1]-t.lastTickBounds[0]);u++}l[5*d]=4,l[5*d+1]=u-4,l[5*d+2]=u-3,l[5*d+3]=u-2,l[5*d+4]=u-1,d++}const p=Os.newInstance({numberOfComponents:i,values:c,name:"Scalars"});t.polyData.getPointData().setScalars(p),t.polyData.getPoints().setData(s,3),t.polyData.getPoints().modified(),t.polyData.getPolys().setData(l,1),t.polyData.getPolys().modified(),t.polyData.modified()}}(e,t)}),"vtkScalarBarActorHelper");function Sp(e,t,n={}){Object.assign(t,function(e){return{automated:!0,autoLayout:null,axisLabel:"Scalar Value",barPosition:[0,0],barSize:[0,0],boxPosition:[.88,-.92],boxSize:[.1,1.1],scalarToColors:null,axisTitlePixelOffset:36,axisTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:void 0,fontFamily:"serif"},tickLabelPixelOffset:14,tickTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:void 0,fontFamily:"serif"},generateTicks:null,drawNanAnnotation:!0,drawBelowRangeSwatch:!0,drawAboveRangeSwatch:!0,orientation:null,...e}}(n)),t.autoLayout||(t.autoLayout=Ap(0,t)),t.generateTicks||(t.generateTicks=yp()),gs.extend(e,t,n),e.getProperty().setDiffuse(0),e.getProperty().setAmbient(1),ln.setGet(e,t,["automated","autoLayout","axisTitlePixelOffset","axisLabel","scalarsToColors","tickLabelPixelOffset","generateTicks","drawNanAnnotation","drawBelowRangeSwatch","drawAboveRangeSwatch","orientation"]),ln.get(e,t,["axisTextStyle","tickTextStyle"]),ln.getArray(e,t,["barPosition","barSize","boxPosition","boxSize"]),ln.setArray(e,t,["barPosition","barSize","boxPosition","boxSize"],2),function(e,t){t.classHierarchy.push("vtkScalarBarActor"),e.setTickTextStyle=n=>{t.tickTextStyle={...t.tickTextStyle,...n},e.modified()},e.setAxisTextStyle=n=>{t.axisTextStyle={...t.axisTextStyle,...n},e.modified()},e.setOrientationToHorizontal=()=>e.setOrientation(xp.HORIZONTAL),e.setOrientationToVertical=()=>e.setOrientation(xp.VERTICAL),e.resetAutoLayoutToDefault=()=>{e.setAutoLayout(Ap(0,t))},e.resetGenerateTicksToDefault=()=>{e.setGenerateTicks(yp())}}(e,t)}var Pp={newInstance:ln.newInstance(Sp,"vtkScalarBarActor"),extend:Sp,newScalarBarActorHelper:Cp,...vp};const wp={};Tn("vtkScalarBarActor",qt((function(e,t,n={}){Object.assign(t,wp,n),fn.extend(e,t,n),t.scalarBarActorHelper=Pp.newScalarBarActorHelper(),function(e,t){t.classHierarchy.push("vtkOpenGLScalarBarActor"),e.buildPass=n=>{n&&(t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.scalarBarActorHelper.getRenderable()||t.scalarBarActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.scalarBarActorHelper.getBarActor()),e.addMissingNode(t.scalarBarActorHelper.getTmActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,n=t._openGLRenderer.getTiledSizeAndOrigin();t.scalarBarActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t._openGLRenderWindow.getRenderable())}}}(e,t)}),"vtkOpenGLScalarBarActor"));const{vtkErrorMacro:Ip}=cn;const Op={context:null};const Rp=qt((function(e,t,n={}){Object.assign(t,Op,n),fn.extend(e,t,n),t.openGLTexture=Kd.newInstance(),t.tris=Ad.newInstance(),t.keyMatrixTime={},Lt(t.keyMatrixTime,{mtime:0}),t.keyMatrices={normalMatrix:c(new Float64Array(9)),mcwc:x(new Float64Array(16))},Ut(e,t,["context"]),Ft(e,t,["activeTextures"]),function(e,t){t.classHierarchy.push("vtkOpenGLSkybox"),e.buildPass=n=>{if(n){t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera(),t.openGLCamera)}},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementOpaqueActorCount()}},e.opaquePass=(n,r)=>{if(n&&!t._openGLRenderer.getSelector()){e.updateBufferObjects(),t.context.depthMask(!0),t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.tris.getProgram()),t.openGLTexture.render(t._openGLRenderWindow);const n=t.openGLTexture.getTextureUnit();t.tris.getProgram().setUniformi("sbtexture",n);const r=t._openGLRenderer.getRenderable(),o=t.openGLCamera.getKeyMatrices(r),a=new Float64Array(16);if(A(a,o.wcpc),t.tris.getProgram().setUniformMatrix("IMCPCMatrix",a),"box"===t.lastFormat){const e=r.getActiveCamera().getPosition();t.tris.getProgram().setUniform3f("camPos",e[0],e[1],e[2])}t.tris.getVAO().bind(),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.openGLTexture.deactivate()}},e.updateBufferObjects=()=>{if(!t.tris.getCABO().getElementCount()){const e=new Float32Array(12);for(let t=0;t<4;t++)e[3*t]=t%2*2-1,e[3*t+1]=t>1?1:-1,e[3*t+2]=1;const n=Os.newInstance({numberOfComponents:3,values:e});n.setName("points");const r=new Uint16Array(8);r[0]=3,r[1]=0,r[2]=1,r[3]=3,r[4]=3,r[5]=0,r[6]=3,r[7]=2;const o=Os.newInstance({numberOfComponents:1,values:r});t.tris.getCABO().createVBO(o,"polys",os.SURFACE,{points:n,cellOffset:0})}t.renderable.getFormat()!==t.lastFormat&&(t.lastFormat=t.renderable.getFormat(),"box"===t.lastFormat&&t.tris.setProgram(t._openGLRenderWindow.getShaderCache().readyShaderProgramArray("//VTK::System::Dec\n             attribute vec3 vertexMC;\n             uniform mat4 IMCPCMatrix;\n             varying vec3 TexCoords;\n             void main () {\n              gl_Position = vec4(vertexMC.xyz, 1.0);\n              vec4 wpos = IMCPCMatrix * gl_Position;\n              TexCoords = wpos.xyz/wpos.w;\n             }","//VTK::System::Dec\n             //VTK::Output::Dec\n             varying vec3 TexCoords;\n             uniform samplerCube sbtexture;\n             uniform vec3 camPos;\n             void main () {\n               // skybox looks from inside out\n               // which means we have to adjust\n               // our tcoords. Otherwise text would\n               // be flipped\n               vec3 tc = normalize(TexCoords - camPos);\n               if (abs(tc.z) < max(abs(tc.x),abs(tc.y)))\n               {\n                 tc = vec3(1.0, 1.0, -1.0) * tc;\n               }\n               else\n               {\n                 tc = vec3(-1.0, 1.0, 1.0) * tc;\n               }\n               gl_FragData[0] = textureCube(sbtexture, tc);\n             }","")),"background"===t.lastFormat&&t.tris.setProgram(t._openGLRenderWindow.getShaderCache().readyShaderProgramArray("//VTK::System::Dec\n             attribute vec3 vertexMC;\n             uniform mat4 IMCPCMatrix;\n             varying vec2 TexCoords;\n             void main () {\n              gl_Position = vec4(vertexMC.xyz, 1.0);\n              vec4 wpos = IMCPCMatrix * gl_Position;\n              TexCoords = vec2(vertexMC.x, vertexMC.y)*0.5 + 0.5;\n             }","//VTK::System::Dec\n             //VTK::Output::Dec\n             varying vec2 TexCoords;\n             uniform sampler2D sbtexture;\n             void main () {\n               gl_FragData[0] = texture2D(sbtexture, TexCoords);\n             }","")),t.tris.getShaderSourceTime().modified(),t.tris.getVAO().bind(),t.tris.getVAO().addAttributeArray(t.tris.getProgram(),t.tris.getCABO(),"vertexMC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ip("Error setting vertexMC in shader VAO."));const e=t.renderable.getTextures();e.length||Ip("vtkSkybox requires a texture map"),t.openGLTexture.getRenderable()!==e[0]&&(t.openGLTexture.releaseGraphicsResources(t._openGLRenderWindow),t.openGLTexture.setRenderable(e[0]))}}(e,t)}));Tn("vtkSkybox",Rp);const{FieldAssociations:Mp}=Ys;const Dp={fieldAssociation:Mp.FIELD_ASSOCIATION_CELLS,captureZValues:!1};function Ep(e,t,n={}){Object.assign(t,Dp,n),ln.obj(e,t),ln.setGet(e,t,["fieldAssociation","captureZValues"]),function(e,t){t.classHierarchy.push("vtkHardwareSelector"),e.getSourceDataAsync=async(e,t,n,r,o)=>{},e.selectAsync=async(t,n,r,o,a)=>{const i=await e.getSourceDataAsync(t,n,r,o,a);return i?i.generateSelection(n,r,o,a):[]}}(e,t)}var Vp={newInstance:ln.newInstance(Ep,"vtkHardwareSelector"),extend:Ep};const Lp={glFramebuffer:null,colorBuffers:null,depthTexture:null,previousDrawBinding:0,previousReadBinding:0,previousDrawBuffer:0,previousReadBuffer:0,previousActiveFramebuffer:null};function Bp(e,t,n={}){Object.assign(t,Lp,n),Lt(e,t),t.colorBuffers&&Tt("you cannot initialize colorBuffers through the constructor. You should call setColorBuffer() instead."),t.colorBuffers=[],_t(e,t,["colorBuffers"]),function(e,t){t.classHierarchy.push("vtkFramebuffer"),e.getBothMode=()=>t.context.FRAMEBUFFER,e.saveCurrentBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.saveCurrentBindings(n),e.saveCurrentBuffers(n)},e.saveCurrentBindings=e=>{if(!t.context)return void Tt("you must set the OpenGLRenderWindow before calling saveCurrentBindings");const n=t.context;t.previousDrawBinding=n.getParameter(t.context.FRAMEBUFFER_BINDING),t.previousActiveFramebuffer=t._openGLRenderWindow.getActiveFramebuffer()},e.saveCurrentBuffers=e=>{},e.restorePreviousBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.restorePreviousBindings(n),e.restorePreviousBuffers(n)},e.restorePreviousBindings=e=>{if(!t.context)return void Tt("you must set the OpenGLRenderWindow before calling restorePreviousBindings");const n=t.context;n.bindFramebuffer(n.FRAMEBUFFER,t.previousDrawBinding),t._openGLRenderWindow.setActiveFramebuffer(t.previousActiveFramebuffer)},e.restorePreviousBuffers=e=>{},e.bind=(n=null)=>{let r=n;null===r&&(r=t.context.FRAMEBUFFER),t.context.bindFramebuffer(r,t.glFramebuffer);for(let e=0;e<t.colorBuffers.length;e++)t.colorBuffers[e].bind();t._openGLRenderWindow.setActiveFramebuffer(e)},e.create=(e,n)=>{t.context?(t.glFramebuffer=t.context.createFramebuffer(),t.glFramebuffer.width=e,t.glFramebuffer.height=n):Tt("you must set the OpenGLRenderWindow before calling create")},e.setColorBuffer=(e,n=0)=>{const r=t.context;if(!r)return void Tt("you must set the OpenGLRenderWindow before calling setColorBuffer");let o=r.COLOR_ATTACHMENT0;if(n>0){if(!t._openGLRenderWindow.getWebgl2())return void Tt("Using multiple framebuffer attachments requires WebGL 2");o+=n}t.colorBuffers[n]=e,r.framebufferTexture2D(r.FRAMEBUFFER,o,r.TEXTURE_2D,e.getHandle(),0)},e.removeColorBuffer=(e=0)=>{const n=t.context;if(!n)return void Tt("you must set the OpenGLRenderWindow before calling removeColorBuffer");let r=n.COLOR_ATTACHMENT0;if(e>0){if(!t._openGLRenderWindow.getWebgl2())return void Tt("Using multiple framebuffer attachments requires WebGL 2");r+=e}n.framebufferTexture2D(n.FRAMEBUFFER,r,n.TEXTURE_2D,null,0),t.colorBuffers=t.colorBuffers.splice(e,1)},e.setDepthBuffer=e=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const n=t.context;n.framebufferTexture2D(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.TEXTURE_2D,e.getHandle(),0)}else Tt("Attaching depth buffer textures to fbo requires WebGL 2");else Tt("you must set the OpenGLRenderWindow before calling setDepthBuffer")},e.removeDepthBuffer=()=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const e=t.context;e.framebufferTexture2D(e.FRAMEBUFFER,e.DEPTH_ATTACHMENT,e.TEXTURE_2D,null,0)}else Tt("Attaching depth buffer textures to framebuffers requires WebGL 2");else Tt("you must set the OpenGLRenderWindow before calling removeDepthBuffer")},e.getGLFramebuffer=()=>t.glFramebuffer,e.setOpenGLRenderWindow=n=>{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.releaseGraphicsResources=()=>{t.glFramebuffer&&t.context.deleteFramebuffer(t.glFramebuffer)},e.getSize=()=>null==t.glFramebuffer?null:[t.glFramebuffer.width,t.glFramebuffer.height],e.populateFramebuffer=()=>{if(!t.context)return void Tt("you must set the OpenGLRenderWindow before calling populateFrameBuffer");e.bind();const n=t.context,r=Kd.newInstance();r.setOpenGLRenderWindow(t._openGLRenderWindow),r.setMinificationFilter(Cd.LINEAR),r.setMagnificationFilter(Cd.LINEAR),r.create2DFromRaw({width:t.glFramebuffer.width,height:t.glFramebuffer.height,numComps:4,dataType:hs.UNSIGNED_CHAR,data:null}),e.setColorBuffer(r),t.depthTexture=n.createRenderbuffer(),n.bindRenderbuffer(n.RENDERBUFFER,t.depthTexture),n.renderbufferStorage(n.RENDERBUFFER,n.DEPTH_COMPONENT16,t.glFramebuffer.width,t.glFramebuffer.height),n.framebufferRenderbuffer(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.RENDERBUFFER,t.depthTexture)},e.getColorTexture=()=>t.colorBuffers[0]}(e,t)}var Fp={newInstance:qt(Bp,"vtkFramebuffer"),extend:Bp};var Np={SelectionContent:{GLOBALIDS:0,PEDIGREEIDS:1,VALUES:2,INDICES:3,FRUSTUM:4,LOCATIONS:5,THRESHOLDS:6,BLOCKS:7,QUERY:8},SelectionField:{CELL:0,POINT:1,FIELD:2,VERTEX:3,EDGE:4,ROW:5}};const kp={contentType:-1,fieldType:-1,properties:null,selectionList:[]};function Gp(e,t,n={}){Object.assign(t,kp,n),ln.obj(e,t),t.properties={},ln.setGet(e,t,["contentType","fieldType","properties","selectionList"]),function(e,t){t.classHierarchy.push("vtkSelectionNode"),e.getBounds=()=>t.points.getBounds()}(e,t)}var Up={newInstance:ln.newInstance(Gp,"vtkSelectionNode"),extend:Gp,...Np};const{PassTypes:_p}=Vl,{SelectionContent:Kp,SelectionField:zp}=Up,{FieldAssociations:Wp}=Ys,{vtkErrorMacro:Hp,vtkDebugMacro:jp}=ln;function Xp(e){return`${e.propID} ${e.compositeID}`}function qp(e,t,n,r){if(!n)return 0;return n[4*(t*(r[2]-r[0]+1)+e)+3]}function Yp(e,t,n,r,o=null){if(!n)return 0;const a=4*(t*(r[2]-r[0]+1)+e),i=n[a],s=n[a+1];return 256*(256*n[a+2]+s)+i}function Jp(e,t){let n=t;return n<<=24,n|=e,n}function Zp(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]<e.area[0]||t[0]>e.area[2]||t[1]<e.area[1]||t[1]>e.area[3])return null;const n=[t[0]-e.area[0],t[1]-e.area[1]],o=Yp(n[0],n[1],e.pixBuffer[_p.ACTOR_PASS],e.area,"getPixelInformationWithData1");if(o<=0||o-1>=e.props.length)return null;const a={valid:!0};a.propID=o-1,a.prop=e.props[a.propID];let i=Yp(n[0],n[1],e.pixBuffer[_p.COMPOSITE_INDEX_PASS],e.area,"getPixelInformationWithData2");if((i<0||i>16777215)&&(i=0),a.compositeID=i-1,e.captureZValues){const r=4*(n[1]*(e.area[2]-e.area[0]+1)+n[0]);a.zValue=(256*e.zBuffer[r]+e.zBuffer[r+1])/65535,a.displayPosition=t}if(e.pixBuffer[_p.ID_LOW24]&&0===qp(n[0],n[1],e.pixBuffer[_p.ID_LOW24],e.area))return a;const s=Yp(n[0],n[1],e.pixBuffer[_p.ID_LOW24],e.area,"getPixelInformationWithData3"),l=Yp(n[0],n[1],e.pixBuffer[_p.ID_HIGH24],e.area,"getPixelInformationWithData4");return a.attributeID=Jp(s,l),a}const a=[t[0],t[1]],i=[0,0];let s=Zp(e,t,0,r);if(s&&s.valid)return s;for(let t=1;t<o;++t){for(let n=a[1]>t?a[1]-t:0;n<=a[1]+t;++n){if(i[1]=n,a[0]>=t&&(i[0]=a[0]-t,s=Zp(e,i,0,r),s&&s.valid))return s;if(i[0]=a[0]+t,s=Zp(e,i,0,r),s&&s.valid)return s}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(i[0]=n,a[1]>=t&&(i[1]=a[1]-t,s=Zp(e,i,0,r),s&&s.valid))return s;if(i[1]=a[1]+t,s=Zp(e,i,0,r),s&&s.valid)return s}}return r[0]=t[0],r[1]=t[1],null}function Qp(e,t,n,r,o){const a=[];let i=0;return t.forEach(((t,s)=>{const l=Up.newInstance();switch(l.setContentType(Kp.INDICES),e){case Wp.FIELD_ASSOCIATION_CELLS:l.setFieldType(zp.CELL);break;case Wp.FIELD_ASSOCIATION_POINTS:l.setFieldType(zp.POINT);break;default:Hp("Unknown field association")}l.getProperties().propID=t.info.propID,l.getProperties().prop=t.info.prop,l.getProperties().compositeID=t.info.compositeID,l.getProperties().attributeID=t.info.attributeID,l.getProperties().pixelCount=t.pixelCount,n&&(l.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],l.getProperties().worldPosition=o.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,r)),l.setSelectionList(t.attributeIDs),a[i]=l,i++})),a}function $p(e,t){t.classHierarchy.push("vtkOpenGLHardwareSelector"),e.releasePixBuffers=()=>{t.rawPixBuffer=[],t.pixBuffer=[],t.zBuffer=null},e.beginSelection=()=>{t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer,t._openGLRenderer),t.maxAttributeId=0;const n=t._openGLRenderWindow.getSize();if(t.framebuffer){t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers();const e=t.framebuffer.getSize();e&&e[0]===n[0]&&e[1]===n[1]?t.framebuffer.bind():(t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer())}else t.framebuffer=Fp.newInstance(),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer();if(t._openGLRenderer.clear(),t._openGLRenderer.setSelector(e),t.hitProps={},t.propPixels={},t.props=[],e.releasePixBuffers(),t.fieldAssociation===Wp.FIELD_ASSOCIATION_POINTS){const e=t._openGLRenderWindow.getContext(),n=e.isEnabled(e.BLEND);e.disable(e.BLEND),t._openGLRenderWindow.traverseAllPasses(),n&&e.enable(e.BLEND)}},e.endSelection=()=>{t.hitProps={},t._openGLRenderer.setSelector(null),t.framebuffer.restorePreviousBindingsAndBuffers()},e.preCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending=e.isEnabled(e.BLEND),e.disable(e.BLEND)},e.postCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending&&e.enable(e.BLEND)},e.select=()=>{let n=null;return e.captureBuffers()&&(n=e.generateSelection(t.area[0],t.area[1],t.area[2],t.area[3]),e.releasePixBuffers()),n},e.getSourceDataAsync=async(n,r,o,a,i)=>{if(t._renderer=n,void 0===r){const n=t._openGLRenderWindow.getSize();e.setArea(0,0,n[0]-1,n[1]-1)}else e.setArea(r,o,a,i);if(!e.captureBuffers())return!1;const s={area:[...t.area],pixBuffer:[...t.pixBuffer],captureZValues:t.captureZValues,zBuffer:t.zBuffer,props:[...t.props],fieldAssociation:t.fieldAssociation,renderer:n,openGLRenderWindow:t._openGLRenderWindow};return s.generateSelection=(...e)=>function(e,t,n,r,o){const a=Math.floor(t),i=Math.floor(n),s=Math.floor(r),l=Math.floor(o),c=new Map,u=[0,0];for(let t=i;t<=l;t++)for(let n=a;n<=s;n++){const r=Zp(e,[n,t],0,u);if(r&&r.valid){const t=Xp(r);if(c.has(t)){const n=c.get(t);n.pixelCount++,e.captureZValues&&r.zValue<n.info.zValue&&(n.info=r),-1===n.attributeIDs.indexOf(r.attributeID)&&n.attributeIDs.push(r.attributeID)}else c.set(t,{info:r,pixelCount:1,attributeIDs:[r.attributeID]})}}return Qp(e.fieldAssociation,c,e.captureZValues,e.renderer,e.openGLRenderWindow)}(s,...e),s},e.captureBuffers=()=>{if(!t._renderer||!t._openGLRenderWindow)return Hp("Renderer and view must be set before calling Select."),!1;t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer,t._openGLRenderer),t._openGLRenderWindow.getRenderable().preRender(),e.invokeEvent({type:"StartEvent"}),t.originalBackground=t._renderer.getBackgroundByReference(),t._renderer.setBackground(0,0,0,0);const n=t._openGLRenderWindow.getRenderPasses();e.beginSelection();const r=[];for(t.currentPass=_p.MIN_KNOWN_PASS;t.currentPass<=_p.MAX_KNOWN_PASS;t.currentPass++)e.passRequired(t.currentPass)&&(e.preCapturePass(t.currentPass),t.captureZValues&&t.currentPass===_p.ACTOR_PASS&&"function"==typeof n[0].requestDepth&&"function"==typeof n[0].getFramebuffer?(n[0].requestDepth(),t._openGLRenderWindow.traverseAllPasses()):t._openGLRenderWindow.traverseAllPasses(),e.postCapturePass(t.currentPass),e.savePixelBuffer(t.currentPass),r.push(t.currentPass));return r.forEach((n=>{t.currentPass=n,e.processPixelBuffers()})),t.currentPass=_p.MAX_KNOWN_PASS,e.endSelection(),t._renderer.setBackground(t.originalBackground),e.invokeEvent({type:"EndEvent"}),!0},e.processPixelBuffers=()=>{t.props.forEach(((n,r)=>{e.isPropHit(r)&&n.processSelectorPixelBuffers(e,t.propPixels[r])}))},e.passRequired=e=>{if(e===_p.ID_HIGH24){if(t.fieldAssociation===Wp.FIELD_ASSOCIATION_POINTS)return t.maximumPointId>16777215;if(t.fieldAssociation===Wp.FIELD_ASSOCIATION_CELLS)return t.maximumCellId>16777215}return!0},e.savePixelBuffer=n=>{if(t.pixBuffer[n]=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),!t.rawPixBuffer[n]){const e=(t.area[2]-t.area[0]+1)*(t.area[3]-t.area[1]+1)*4;t.rawPixBuffer[n]=new Uint8Array(e),t.rawPixBuffer[n].set(t.pixBuffer[n])}if(n===_p.ACTOR_PASS){if(t.captureZValues){const e=t._openGLRenderWindow.getRenderPasses();if("function"==typeof e[0].requestDepth&&"function"==typeof e[0].getFramebuffer){const n=e[0].getFramebuffer();n.saveCurrentBindingsAndBuffers(),n.bind(),t.zBuffer=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),n.restorePreviousBindingsAndBuffers()}}e.buildPropHitList(t.rawPixBuffer[n])}},e.buildPropHitList=e=>{let n=0;for(let r=0;r<=t.area[3]-t.area[1];r++)for(let o=0;o<=t.area[2]-t.area[0];o++){let a=Yp(o,r,e,t.area,"buildPropHitList");a>0&&(a--,a in t.hitProps||(t.hitProps[a]=!0,t.propPixels[a]=[]),t.propPixels[a].push(4*n)),++n}},e.renderProp=n=>{t.currentPass===_p.ACTOR_PASS&&(e.setPropColorValueFromInt(t.props.length+1),t.props.push(n))},e.renderCompositeIndex=n=>{t.currentPass===_p.COMPOSITE_INDEX_PASS&&e.setPropColorValueFromInt(n+1)},e.renderAttributeId=e=>{e<0||(t.maxAttributeId=e>t.maxAttributeId?e:t.maxAttributeId)},e.passTypeToString=e=>ln.enumToString(_p,e),e.isPropHit=e=>Boolean(t.hitProps[e]),e.setPropColorValueFromInt=e=>{t.propColorValue[0]=e%256/255,t.propColorValue[1]=Math.floor(e/256)%256/255,t.propColorValue[2]=Math.floor(e/65536)%256/255},e.getPixelInformation=(n,r,o)=>{const a=r<0?0:r;if(jp("getPixelInformation called",a),0===a){if(o[0]=n[0],o[1]=n[1],n[0]<t.area[0]||n[0]>t.area[2]||n[1]<t.area[1]||n[1]>t.area[3])return null;jp(n),jp(t.area);const e=[n[0]-t.area[0],n[1]-t.area[1]];jp("adjusted displayPosition",e);const r=Yp(e[0],e[1],t.pixBuffer[_p.ACTOR_PASS],t.area,"getPixelInformation");if(jp("actorid",r),r<=0||r-1>=t.props.length)return null;const a={valid:!0};a.propID=r-1,a.prop=t.props[a.propID];let i=Yp(e[0],e[1],t.pixBuffer[_p.COMPOSITE_INDEX_PASS],t.area,"getPixelInformation2");if((i<0||i>16777215)&&(i=0),a.compositeID=i-1,t.captureZValues){const r=4*(e[1]*(t.area[2]-t.area[0]+1)+e[0]);a.zValue=(256*t.zBuffer[r]+t.zBuffer[r+1])/65535,a.displayPosition=n}if(t.pixBuffer[_p.ID_LOW24]&&0===qp(e[0],e[1],t.pixBuffer[_p.ID_LOW24],t.area))return a;const s=Yp(e[0],e[1],t.pixBuffer[_p.ID_LOW24],t.area,"getPixelInformation3"),l=Yp(e[0],e[1],t.pixBuffer[_p.ID_HIGH24],t.area,"getPixelInformation4");return a.attributeID=Jp(s,l),a}const i=[n[0],n[1]],s=[0,0];let l=e.getPixelInformation(n,0,o);if(l&&l.valid)return l;for(let t=1;t<a;++t){for(let n=i[1]>t?i[1]-t:0;n<=i[1]+t;++n){if(s[1]=n,i[0]>=t&&(s[0]=i[0]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[0]=i[0]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(s[0]=n,i[1]>=t&&(s[1]=i[1]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[1]=i[1]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}}return o[0]=n[0],o[1]=n[1],null},e.generateSelection=(n,r,o,a)=>{const i=Math.floor(n),s=Math.floor(r),l=Math.floor(o),c=Math.floor(a),u=new Map,d=[0,0];for(let n=s;n<=c;n++)for(let r=i;r<=l;r++){const o=[r,n],a=e.getPixelInformation(o,0,d);if(a&&a.valid){const e=Xp(a);if(u.has(e)){const n=u.get(e);n.pixelCount++,t.captureZValues&&a.zValue<n.info.zValue&&(n.info=a),-1===n.attributeIDs.indexOf(a.attributeID)&&n.attributeIDs.push(a.attributeID)}else u.set(e,{info:a,pixelCount:1,attributeIDs:[a.attributeID]})}}return Qp(t.fieldAssociation,u,t.captureZValues,t._renderer,t._openGLRenderWindow)},e.getRawPixelBuffer=e=>t.rawPixBuffer[e],e.getPixelBuffer=e=>t.pixBuffer[e],e.attach=(e,n)=>{t._openGLRenderWindow=e,t._renderer=n};const n=e.setArea;e.setArea=(...e)=>!!n(...e)&&(t.area[0]=Math.floor(t.area[0]),t.area[1]=Math.floor(t.area[1]),t.area[2]=Math.floor(t.area[2]),t.area[3]=Math.floor(t.area[3]),!0)}const ef={area:void 0,currentPass:-1,propColorValue:null,props:null,maximumPointId:0,maximumCellId:0,idOffset:1};function tf(e,t,n={}){Object.assign(t,ef,n),Vp.extend(e,t,n),t.propColorValue=[0,0,0],t.props=[],t.area||(t.area=[0,0,0,0]),ln.setGetArray(e,t,["area"],4),ln.setGet(e,t,["_renderer","currentPass","_openGLRenderWindow","maximumPointId","maximumCellId"]),ln.setGetArray(e,t,["propColorValue"],3),ln.moveToProtected(e,t,["renderer","openGLRenderWindow"]),ln.event(e,t,"event"),$p(e,t)}var nf={newInstance:ln.newInstance(tf,"vtkOpenGLHardwareSelector"),extend:tf,...Vl};const{vtkErrorMacro:rf}=cn,{Representation:of}=ds,{ObjectType:af}=$u,{PassTypes:sf}=nf,lf={type:"StartEvent"},cf={type:"EndEvent"};const uf={normalMatrix:null,mcpcMatrix:null,mcwcMatrix:null};const df=qt((function(e,t,n={}){Object.assign(t,uf,n),sp.extend(e,t,n),t.tmpMat3=c(new Float64Array(9)),t.normalMatrix=c(new Float64Array(9)),t.mcpcMatrix=x(new Float64Array(16)),t.mcvcMatrix=x(new Float64Array(16)),t.tmpColor=[],t.glyphBOBuildTime={},Lt(t.glyphBOBuildTime,{mtime:0}),function(e,t){t.classHierarchy.push("vtkOpenGLGlyph3DMapper");const n={...e};e.renderPiece=(n,r)=>{if(e.invokeEvent(lf),t.renderable.getStatic()||t.renderable.update(),t.currentInput=t.renderable.getInputData(1),e.invokeEvent(cf),!t.currentInput)return void rf("No input!");if(!t.currentInput.getPoints||!t.currentInput.getPoints().getNumberOfValues())return;const o=t.context;t._openGLRenderWindow.getWebgl2()?(t.hardwareSupport=!0,t.extension=null):t.extension||(t.extension=t.context.getExtension("ANGLE_instanced_arrays"),t.hardwareSupport=!!t.extension);const a=r.getProperty().getBackfaceCulling(),i=r.getProperty().getFrontfaceCulling();a||i?i?(t._openGLRenderWindow.enableCullFace(),o.cullFace(o.FRONT)):(t._openGLRenderWindow.enableCullFace(),o.cullFace(o.BACK)):t._openGLRenderWindow.disableCullFace(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)},e.multiply4x4WithOffset=(e,t,n,r)=>{const o=t[0],a=t[1],i=t[2],s=t[3],l=t[4],c=t[5],u=t[6],d=t[7],p=t[8],f=t[9],g=t[10],m=t[11],h=t[12],v=t[13],T=t[14],x=t[15];let b=n[r],A=n[r+1],y=n[r+2],C=n[r+3];e[0]=b*o+A*l+y*p+C*h,e[1]=b*a+A*c+y*f+C*v,e[2]=b*i+A*u+y*g+C*T,e[3]=b*s+A*d+y*m+C*x,b=n[r+4],A=n[r+5],y=n[r+6],C=n[r+7],e[4]=b*o+A*l+y*p+C*h,e[5]=b*a+A*c+y*f+C*v,e[6]=b*i+A*u+y*g+C*T,e[7]=b*s+A*d+y*m+C*x,b=n[r+8],A=n[r+9],y=n[r+10],C=n[r+11],e[8]=b*o+A*l+y*p+C*h,e[9]=b*a+A*c+y*f+C*v,e[10]=b*i+A*u+y*g+C*T,e[11]=b*s+A*d+y*m+C*x,b=n[r+12],A=n[r+13],y=n[r+14],C=n[r+15],e[12]=b*o+A*l+y*p+C*h,e[13]=b*a+A*c+y*f+C*v,e[14]=b*i+A*u+y*g+C*T,e[15]=b*s+A*d+y*m+C*x},e.replaceShaderNormal=(e,r,o)=>{if(t.hardwareSupport&&t.lastBoundBO.getReferenceByName("lastLightComplexity")>0){let n=e.Vertex;t.lastBoundBO.getCABO().getNormalOffset()&&(n=gd.substitute(n,"//VTK::Normal::Dec",["attribute vec3 normalMC;","attribute mat3 gNormal;","uniform mat3 normalMatrix;","varying vec3 normalVCVSOutput;"]).result,n=gd.substitute(n,"//VTK::Normal::Impl",["normalVCVSOutput = normalMatrix * gNormal * normalMC;"]).result),e.Vertex=n}n.replaceShaderNormal(e,r,o)},e.replaceShaderClip=(e,r,o)=>{if(t.hardwareSupport){let n=e.Vertex,r=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){const e=t.renderable.getNumberOfClippingPlanes();n=gd.substitute(n,"//VTK::Clip::Dec",["uniform int numClipPlanes;",`uniform vec4 clipPlanes[${e}];`,`varying float clipDistancesVSOutput[${e}];`]).result,n=gd.substitute(n,"//VTK::Clip::Impl",[`for (int planeNum = 0; planeNum < ${e}; planeNum++)`,"    {","    if (planeNum >= numClipPlanes)","        {","        break;","        }","    vec4 gVertex = gMatrix * vertexMC;","    clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], gVertex);","    }"]).result,r=gd.substitute(r,"//VTK::Clip::Dec",["uniform int numClipPlanes;",`varying float clipDistancesVSOutput[${e}];`]).result,r=gd.substitute(r,"//VTK::Clip::Impl",[`for (int planeNum = 0; planeNum < ${e}; planeNum++)`,"    {","    if (planeNum >= numClipPlanes)","        {","        break;","        }","    if (clipDistancesVSOutput[planeNum] < 0.0) discard;","    }"]).result}e.Vertex=n,e.Fragment=r}n.replaceShaderClip(e,r,o)},e.replaceShaderColor=(e,r,o)=>{if(t.hardwareSupport&&t.renderable.getColorArray()){let n=e.Vertex,r=e.Geometry,o=e.Fragment;const a=t.lastBoundBO.getReferenceByName("lastLightComplexity");let i=["uniform float ambient;","uniform float diffuse;","uniform float specular;","uniform float opacityUniform; // the fragment opacity"];a&&(i=i.concat(["uniform vec3 specularColorUniform;","uniform float specularPowerUniform;"]));let s=["vec3 ambientColor;","  vec3 diffuseColor;","  float opacity;"];a&&(s=s.concat(["  vec3 specularColor;","  float specularPower;"])),s=s.concat(["  opacity = opacityUniform;"]),a&&(s=s.concat(["  specularColor = specularColorUniform;","  specularPower = specularPowerUniform;"])),t.drawingEdges||(i=i.concat(["varying vec4 vertexColorVSOutput;"]),n=gd.substitute(n,"//VTK::Color::Dec",["attribute vec4 gColor;","varying vec4 vertexColorVSOutput;"]).result,n=gd.substitute(n,"//VTK::Color::Impl",["vertexColorVSOutput = gColor;"]).result,r=gd.substitute(r,"//VTK::Color::Dec",["in vec4 vertexColorVSOutput[];","out vec4 vertexColorGSOutput;"]).result,r=gd.substitute(r,"//VTK::Color::Impl",["vertexColorGSOutput = vertexColorVSOutput[i];"]).result,s=s.concat(["  diffuseColor = vertexColorVSOutput.rgb;","  ambientColor = vertexColorVSOutput.rgb;","  opacity = opacity*vertexColorVSOutput.a;"])),o=gd.substitute(o,"//VTK::Color::Impl",s).result,o=gd.substitute(o,"//VTK::Color::Dec",i).result,e.Vertex=n,e.Geometry=r,e.Fragment=o}n.replaceShaderColor(e,r,o)},e.replaceShaderPositionVC=(e,r,o)=>{if(t.hardwareSupport){let n=e.Vertex;t.lastBoundBO.getReferenceByName("lastLightComplexity")>0?(n=gd.substitute(n,"//VTK::PositionVC::Impl",["vec4 gVertexMC = gMatrix * vertexMC;","vertexVCVSOutput = MCVCMatrix * gVertexMC;","  gl_Position = MCPCMatrix * gVertexMC;"]).result,n=gd.substitute(n,"//VTK::Camera::Dec",["attribute mat4 gMatrix;","uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result):(n=gd.substitute(n,"//VTK::Camera::Dec",["attribute mat4 gMatrix;","uniform mat4 MCPCMatrix;"]).result,n=gd.substitute(n,"//VTK::PositionVC::Impl",["vec4 gVertexMC = gMatrix * vertexMC;","  gl_Position = MCPCMatrix * gVertexMC;"]).result),e.Vertex=n}n.replaceShaderPositionVC(e,r,o)},e.replaceShaderPicking=(e,r,o)=>{if(t.hardwareSupport){let t=e.Fragment,n=e.Vertex;n=gd.substitute(n,"//VTK::Picking::Dec",["attribute vec3 mapperIndexVS;","varying vec3 mapperIndexVSOutput;"]).result,n=gd.substitute(n,"//VTK::Picking::Impl","  mapperIndexVSOutput = mapperIndexVS;").result,e.Vertex=n,t=gd.substitute(t,"//VTK::Picking::Dec",["varying vec3 mapperIndexVSOutput;","uniform vec3 mapperIndex;","uniform int picking;"]).result,t=gd.substitute(t,"//VTK::Picking::Impl",["  vec4 pickColor = picking == 2 ? vec4(mapperIndexVSOutput,1.0) : vec4(mapperIndex,1.0);","  gl_FragData[0] = picking != 0 ? pickColor : gl_FragData[0];"]).result,e.Fragment=t}else n.replaceShaderPicking(e,r,o)},e.updateGlyphShaderParameters=(n,r,o,a,i,s,l,c)=>{const u=o.getProgram();if(n){const e=t.normalMatrix,n=s,r=9*l,o=t.tmpMat3,a=e[0],i=e[1],c=e[2],d=e[3],p=e[4],f=e[5],g=e[6],m=e[7],h=e[8],v=n[r],T=n[r+1],x=n[r+2],b=n[r+3],A=n[r+4],y=n[r+5],C=n[r+6],S=n[r+7],P=n[r+8];o[0]=v*a+T*d+x*g,o[1]=v*i+T*p+x*m,o[2]=v*c+T*f+x*h,o[3]=b*a+A*d+y*g,o[4]=b*i+A*p+y*m,o[5]=b*c+A*f+y*h,o[6]=C*a+S*d+P*g,o[7]=C*i+S*p+P*m,o[8]=C*c+S*f+P*h,u.setUniformMatrix3x3("normalMatrix",t.tmpMat3)}if(e.multiply4x4WithOffset(t.tmpMat4,t.mcpcMatrix,i,16*l),u.setUniformMatrix("MCPCMatrix",t.tmpMat4),r&&(e.multiply4x4WithOffset(t.tmpMat4,t.mcvcMatrix,i,16*l),u.setUniformMatrix("MCVCMatrix",t.tmpMat4)),a){const e=a.getData();t.tmpColor[0]=e[4*l]/255,t.tmpColor[1]=e[4*l+1]/255,t.tmpColor[2]=e[4*l+2]/255,u.setUniform3fArray("ambientColorUniform",t.tmpColor),u.setUniform3fArray("diffuseColorUniform",t.tmpColor)}c&&u.setUniform3fArray("mapperIndex",c.getPropColorValue())},e.renderPieceDraw=(n,r)=>{const o=r.getProperty().getRepresentation(),a=t.context,i=r.getProperty().getEdgeVisibility()&&o===of.SURFACE,s=t.openGLCamera.getKeyMatrices(n),l=t.openGLActor.getKeyMatrices();p(t.normalMatrix,s.normalMatrix,l.normalMatrix),y(t.mcpcMatrix,s.wcpc,l.mcwc),y(t.mcvcMatrix,s.wcvc,l.mcwc);const c=t.renderable.getMatrixArray(),u=t.renderable.getNormalArray(),d=t.renderable.getColorArray(),f=c.length/16;let g=!1;t._openGLRenderer.getSelector()&&t._openGLRenderer.getSelector().getCurrentPass()===sf.COMPOSITE_INDEX_PASS&&(g=!0);for(let s=t.primTypes.Start;s<t.primTypes.End;s++){const l=t.primitives[s].getCABO();if(l.getElementCount()){t.drawingEdges=i&&(s===t.primTypes.TrisEdges||s===t.primTypes.TriStripsEdges),t.lastBoundBO=t.primitives[s],t.primitives[s].updateShaders(n,r,e);const p=t.primitives[s].getProgram(),m=t.primitives[s].getOpenGLMode(o),h=p.isUniformUsed("normalMatrix"),v=p.isUniformUsed("MCVCMatrix");if(t.hardwareSupport)t.extension?t.extension.drawArraysInstancedANGLE(m,0,l.getElementCount(),f):a.drawArraysInstanced(m,0,l.getElementCount(),f);else for(let n=0;n<f;++n)g&&t._openGLRenderer.getSelector().renderCompositeIndex(n),e.updateGlyphShaderParameters(h,v,t.primitives[s],d,c,u,n,g?t._openGLRenderer.getSelector():null),a.drawArrays(m,0,l.getElementCount())}}},e.setMapperShaderParameters=(e,r,o)=>{if(e.getCABO().getElementCount()&&(t.glyphBOBuildTime.getMTime()>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime()))return e.getProgram().isAttributeUsed("gMatrix")?e.getVAO().addAttributeMatrixWithDivisor(e.getProgram(),t.matrixBuffer,"gMatrix",0,64,t.context.FLOAT,4,!1,1)||rf("Error setting gMatrix in shader VAO."):e.getVAO().removeAttributeArray("gMatrix"),e.getProgram().isAttributeUsed("gNormal")?e.getVAO().addAttributeMatrixWithDivisor(e.getProgram(),t.normalBuffer,"gNormal",0,36,t.context.FLOAT,3,!1,1)||rf("Error setting gNormal in shader VAO."):e.getVAO().removeAttributeArray("gNormal"),e.getProgram().isAttributeUsed("gColor")?e.getVAO().addAttributeArrayWithDivisor(e.getProgram(),t.colorBuffer,"gColor",0,4,t.context.UNSIGNED_BYTE,4,!0,1,!1)||rf("Error setting gColor in shader VAO."):e.getVAO().removeAttributeArray("gColor"),e.getProgram().isAttributeUsed("mapperIndexVS")?e.getVAO().addAttributeArrayWithDivisor(e.getProgram(),t.pickBuffer,"mapperIndexVS",0,4,t.context.UNSIGNED_BYTE,4,!0,1,!1)||rf("Error setting mapperIndexVS in shader VAO."):e.getVAO().removeAttributeArray("mapperIndexVS"),n.setMapperShaderParameters(e,r,o),void e.getAttributeUpdateTime().modified();n.setMapperShaderParameters(e,r,o)},e.getNeedToRebuildBufferObjects=(e,r)=>(t.renderable.buildArrays(),t.VBOBuildTime.getMTime()<t.renderable.getBuildTime().getMTime()||n.getNeedToRebuildBufferObjects(e,r)),e.getNeedToRebuildShaders=(e,r,o)=>!!(n.getNeedToRebuildShaders(e,r,o)||e.getShaderSourceTime().getMTime()<t.renderable.getMTime()||e.getShaderSourceTime().getMTime()<t.currentInput.getMTime()),e.buildBufferObjects=(e,r)=>{const o=t.renderable.getMatrixArray(),a=t.renderable.getInputData(0).getPoints(),{useShiftAndScale:i,coordShift:s,coordScale:l}=ed(a);if(t.hardwareSupport){const e=t.renderable.getNormalArray(),n=t.renderable.getColorArray();if(t.matrixBuffer||(t.matrixBuffer=$u.newInstance(),t.matrixBuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.normalBuffer=$u.newInstance(),t.normalBuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorBuffer=$u.newInstance(),t.colorBuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.pickBuffer=$u.newInstance(),t.pickBuffer.setOpenGLRenderWindow(t._openGLRenderWindow)),i){const e=o.buffer,t=td(s,l);A(t,t);for(let n=0;n<o.byteLength;n+=64){const r=new Float32Array(e,n,16);y(r,t,r)}}if(t.renderable.getBuildTime().getMTime()>t.glyphBOBuildTime.getMTime()){t.matrixBuffer.upload(o,af.ARRAY_BUFFER),t.normalBuffer.upload(e,af.ARRAY_BUFFER),n?t.colorBuffer.upload(n.getData(),af.ARRAY_BUFFER):t.colorBuffer.releaseGraphicsResources();const r=o.length/16,a=new Uint8Array(4*r);for(let e=0;e<r;++e){let t=e+1;const n=4*e;a[n]=t%256,t-=a[n],t/=256,a[n+1]=t%256,t-=a[n+1],t/=256,a[n+2]=t%256,a[n+3]=255}t.pickBuffer.upload(a,af.ARRAY_BUFFER),t.glyphBOBuildTime.modified()}}if(n.buildBufferObjects(e,r),i)for(let e=Td.Start;e<Td.End;e++)t.primitives[e].getCABO().setCoordShiftAndScale(s,l)}}(e,t)}),"vtkOpenGLGlyph3DMapper");Tn("vtkGlyph3DMapper",df);const{vtkErrorMacro:pf}=ln;class ff{constructor(){this.segmentMapping={},this.segments=[null],this.faces=[]}addSegment(e){const t=e[0],n=e[e.length-1];if(t===n||e.length<2)return;const r=this.segmentMapping[t],o=this.segmentMapping[n];if(void 0!==r&&void 0!==o)if(Math.abs(r)===Math.abs(o)){const a=r<o?o:r,i=this.segments[a];if(r>0)for(let t=1;t<e.length-1;t++)i.push(e[t]);else for(let t=1;t<e.length-1;t++)i.unshift(e[e.length-1-t]);this.faces.push(i),this.segments[a]=null,this.segmentMapping[t]=void 0,this.segmentMapping[n]=void 0}else{const t=Math.abs(r),n=Math.abs(o),a=this.segments[t],i=this.segments[n];this.segments[t]=null,this.segments[n]=null,this.segmentMapping[a[0]]=void 0,this.segmentMapping[i[0]]=void 0,this.segmentMapping[a[a.length-1]]=void 0,this.segmentMapping[i[i.length-1]]=void 0,this.addSegment(e),this.addSegment(a),this.addSegment(i)}else if(void 0!==r){if(r>0){const t=this.segments[r];for(let n=1;n<e.length;n++)t.push(e[n]);this.segmentMapping[n]=r}else{const t=this.segments[-r];this.segmentMapping[n]=r;for(let n=1;n<e.length;n++)t.unshift(e[n])}this.segmentMapping[t]=void 0}else if(void 0!==o){if(o>0){const n=this.segments[o];for(let t=1;t<e.length;t++)n.push(e[e.length-1-t]);this.segmentMapping[t]=o}else{const n=this.segments[-o];this.segmentMapping[t]=o;for(let t=1;t<e.length;t++)n.unshift(e[e.length-t-1])}this.segmentMapping[n]=void 0}else{const r=this.segments.length;this.segments.push(e),this.segmentMapping[t]=-r,this.segmentMapping[n]=r}}}const gf={};function mf(e,t,n={}){Object.assign(t,gf,n),ln.obj(e,t),ln.algo(e,t,1,1),function(e,t){t.classHierarchy.push("vtkClosedPolyLineToSurfaceFilter"),e.requestData=(e,t)=>{const n=e[0];if(!n)return void pf("Invalid or missing input");const r=t[0]?.initialize()||wu.newInstance();r.shallowCopy(n);const o=new ff,a=n.getLines().getData();let i=0;for(;i<a.length;){const e=a[i++],t=[];for(let n=0;n<e;n++)t.push(a[i+n]);o.addSegment(t),i+=e}const{faces:s}=o;let l=s.length;for(let e=0;e<s.length;e++)l+=s[e].length;const c=new Uint16Array(l);i=0;for(let e=0;e<s.length;e++){const t=s[e];c[i++]=t.length;for(let e=0;e<t.length;e++)c[i++]=t[e]}r.setPolys(tc.newInstance({values:c,name:"faces"})),t[0]=r}}(e,t)}var hf={newInstance:ln.newInstance(mf,"vtkClosedPolyLineToSurfaceFilter"),extend:mf};const{vtkErrorMacro:vf}=cn;function Tf(e,t){t.classHierarchy.push("vtkCutter");const n={...e};function r(e,n){const 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A(this.matrix,this.matrix),this}identity(){return x(this.matrix),this}apply(e,t=0,n=-1){if(aa(vo,this.matrix))return this;const r=-1===n?e.length:t+3*n;for(let n=t;n<r;n+=3)Y(this.tmp,e[n],e[n+1],e[n+2]),oe(this.tmp,this.tmp,this.matrix),e[n]=this.tmp[0],e[n+1]=this.tmp[1],e[n+2]=this.tmp[2];return this}getMatrix(){return this.matrix}setMatrix(e){return e&&16===e.length&&T(this.matrix,e),this}}var Pf={buildFromDegree:function(){return new Sf(!0)},buildFromRadian:function(){return new Sf(!1)}};const wf=[2,0,1,2,2,3,2,4,5,2,6,7,2,0,2,2,1,3,2,4,6,2,5,7,2,0,4,2,1,5,2,2,6,2,3,7],If=[4,0,1,3,2,4,4,6,7,5,4,8,10,11,9,4,12,13,15,14,4,16,18,19,17,4,20,21,23,22];const Of={xLength:1,yLength:1,zLength:1,pointType:"Float64Array",generate3DTextureCoordinates:!1,generateFaces:!0,generateLines:!1};function Rf(e,t,n={}){Object.assign(t,Of,n),ln.obj(e,t),ln.setGet(e,t,["xLength","yLength","zLength","generate3DTextureCoordinates","generateFaces","generateLines"]),ln.setGetArray(e,t,["center","rotations"],3),ln.setGetArray(e,t,["matrix"],16),t._polys=tc.newInstance({values:Uint16Array.from(If)}),t._lineCells=tc.newInstance({values:Uint16Array.from(wf)}),ln.moveToProtected(e,t,["polys","lineCells"]),ln.algo(e,t,0,1),function(e,t){t.classHierarchy.push("vtkCubeSource"),e.requestData=(e,n)=>{const r=n[0]?.initialize()||wu.newInstance();n[0]=r;const o=ln.newTypedArray(t.pointType,72);r.getPoints().setData(o,3);const a=ln.newTypedArray(t.pointType,72),i=Os.newInstance({name:"Normals",values:a,numberOfComponents:3});r.getPointData().setNormals(i);let s=2;!0===t.generate3DTextureCoordinates&&(s=3);const l=ln.newTypedArray(t.pointType,24*s),c=Os.newInstance({name:"TextureCoordinates",values:l,numberOfComponents:s});r.getPointData().setTCoords(c);const u=[0,0,0],d=[0,0,0],p=[0,0];let f=0;u[0]=-t.xLength/2,d[0]=-1,d[1]=0,d[2]=0;for(let e=0;e<2;e++){u[1]=-t.yLength/2;for(let n=0;n<2;n++){p[1]=u[1]+.5,u[2]=-t.zLength/2;for(let r=0;r<2;r++)p[0]=(u[2]+.5)*(1-2*e),o[3*f]=u[0],o[3*f+1]=u[1],o[3*f+2]=u[2],a[3*f]=d[0],a[3*f+1]=d[1],a[3*f+2]=d[2],2===s?(l[f*s]=p[0],l[f*s+1]=p[1]):(l[f*s]=2*e-1,l[f*s+1]=2*n-1,l[f*s+2]=2*r-1),f++,u[2]+=t.zLength;u[1]+=t.yLength}u[0]+=t.xLength,d[0]+=2}u[1]=-t.yLength/2,d[1]=-1,d[0]=0,d[2]=0;for(let e=0;e<2;e++){u[0]=-t.xLength/2;for(let n=0;n<2;n++){p[0]=(u[0]+.5)*(2*e-1),u[2]=-t.zLength/2;for(let r=0;r<2;r++)p[1]=-1*(u[2]+.5),o[3*f]=u[0],o[3*f+1]=u[1],o[3*f+2]=u[2],a[3*f]=d[0],a[3*f+1]=d[1],a[3*f+2]=d[2],2===s?(l[f*s]=p[0],l[f*s+1]=p[1]):(l[f*s]=2*n-1,l[f*s+1]=2*e-1,l[f*s+2]=2*r-1),f++,u[2]+=t.zLength;u[0]+=t.xLength}u[1]+=t.yLength,d[1]+=2}u[2]=-t.zLength/2,d[2]=-1,d[0]=0,d[1]=0;for(let e=0;e<2;e++){u[1]=-t.yLength/2;for(let n=0;n<2;n++){p[1]=u[1]+.5,u[0]=-t.xLength/2;for(let 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n=s[t].getData(),r=l[t].getData();d[0]=n[3*x],d[1]=n[3*x+1],d[2]=n[3*x+2],f.set(d),e.transformVector(d,d),r[3*x]=d[0],r[3*x+1]=d[1],r[3*x+2]=d[2],Wa.arrayEqual(f,d)||T.includes(t)||T.push(t)}}m&&n.modified(),h&&i.modified(),v&&o.modified(),T.forEach((e=>l[e].modified()))}}(e,t)}Ff=ln.newInstance(kf,"vtkTransform");var Gf={newInstance:Ff,extend:kf};function Uf(e,t,n){return e.length>0?`${e.map((e=>e?.getMTime()??"x")).join("/")}-${t}-${n}`:"0"}function _f(e,t){return`${t.getMTime()}`}const Kf={NEAREST:0,LINEAR:1};var zf={InterpolationType:Kf};const{vtkErrorMacro:Wf}=cn,Hf=e=>e.split("\n").map((e=>e.trim())).filter(Boolean);function jf(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}function Xf(e,t){t.classHierarchy.push("vtkOpenGLImageResliceMapper");const n=new Map;function r(t,r,o){r!==o&&(function(t,r){if(!r)return;const o=(n.get(r)??0)-1;o<=0?(t.unregisterGraphicsResourceUser(r,e),n.delete(r)):n.set(r,o)}(t,r),function(t,r){if(!r)return;const o=n.get(r)??0,a=o+1;n.set(r,a),o<=0&&t.registerGraphicsResourceUser(r,e)}(t,o))}function o(t){[...n.keys()].forEach((n=>t.unregisterGraphicsResourceUser(n,e)))}function a(e,n,r,o,a){const i=e.map((e=>e.join("-"))).join("|");i!==t[o]&&(t[o]=i,t[a]&&t[a].releaseGraphicsResources(),t[a]=function(e,n,r){let o=t.renderable.getLabelOutlineTextureWidth();o<=0&&(o=t.context.getParameter(t.context.MAX_TEXTURE_SIZE));const a=e.length,i=new n(o*a);for(let t=0;t<a;t++){const n=e[t];for(let e=0;e<o;e++)i[t*o+e]=n[e]??n[0]}const s=Kd.newInstance({resizable:!1});return s.setOpenGLRenderWindow(t._openGLRenderWindow),s.resetFormatAndType(),s.setMinificationFilter(Cd.NEAREST),s.setMagnificationFilter(Cd.NEAREST),s.create2DFromRaw({width:o,height:a,numComps:1,dataType:r,data:i}),s}(e,n,r))}e.buildPass=n=>{if(n){t.currentRenderPass=null,t._openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const n=t._openGLRenderer.getRenderable();t._openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera(),t.openGLCamera);const r=t._openGLRenderWindow;t._openGLRenderWindow=t._openGLRenderer.getLastAncestorOfType("vtkOpenGLRenderWindow"),r&&!r.isDeleted()&&r!==t._openGLRenderWindow&&o(r),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow)}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()==yl.PolygonOffset?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t._openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update();const o=t.renderable.getNumberOfInputPorts();t.currentValidInputs=[];for(let e=0;e<o;++e){const n=t.renderable.getInputData(e);n&&!n.isDeleted()&&t.currentValidInputs.push({imageData:n,inputIndex:e})}const a=t.currentValidInputs.length;if(a<=0)return void Wf("No input!");t.labelOutlineProperties=function(e,t){const n=[];for(let r=0;r<t.length;r++){const o=e.getProperty(t[r].inputIndex);o?.getUseLabelOutline()&&n.push({property:o,arrayIndex:r})}return n}(r,t.currentValidInputs);const i=t.currentValidInputs[0].imageData.getPointData().getScalars();t.multiTexturePerVolumeEnabled=a>1,t.numberOfComponents=t.multiTexturePerVolumeEnabled?a:i.getNumberOfComponents(),e.updateResliceGeometry(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r),e.invokeEvent({type:"EndEvent"})},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r);const o=r.getProperties();t.currentValidInputs.forEach((({inputIndex:e},n)=>{const r=o[e],a=t.scalarTextures[n];if(!r||!a)return;r.getInterpolationType()===Kf.NEAREST?(a.setMinificationFilter(Cd.NEAREST),a.setMagnificationFilter(Cd.NEAREST)):(a.setMinificationFilter(Cd.LINEAR),a.setMagnificationFilter(Cd.LINEAR))}));const a=t.currentValidInputs[0],i=o[a.inputIndex],s=i?.getInterpolationType();s===Kf.NEAREST?(t.colorTexture.setMinificationFilter(Cd.NEAREST),t.colorTexture.setMagnificationFilter(Cd.NEAREST),t.pwfTexture.setMinificationFilter(Cd.NEAREST),t.pwfTexture.setMagnificationFilter(Cd.NEAREST)):(t.colorTexture.setMinificationFilter(Cd.LINEAR),t.colorTexture.setMagnificationFilter(Cd.LINEAR),t.pwfTexture.setMinificationFilter(Cd.LINEAR),t.pwfTexture.setMagnificationFilter(Cd.LINEAR)),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context,a=t.labelOutlineProperties.length>0,i=[...t.scalarTextures,t.colorTexture,t.pwfTexture];a&&(i.push(t.labelOutlineThicknessTexture),i.push(t.labelOutlineOpacityTexture)),i.forEach((e=>e.activate())),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),i.forEach((e=>e.deactivate()))},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=r.getProperty(t.currentValidInputs[0].inputIndex),a=t.labelOutlineProperties.length>0;return t.VBOBuildTime.getMTime()<e.getMTime()||t.VBOBuildTime.getMTime()<r.getMTime()||t.VBOBuildTime.getMTime()<t.renderable.getMTime()||t.VBOBuildTime.getMTime()<o?.getMTime()||t.currentValidInputs.some((({imageData:e})=>t.VBOBuildTime.getMTime()<e.getMTime()))||t.VBOBuildTime.getMTime()<t.resliceGeom.getMTime()||t.scalarTextures.length!==t.currentValidInputs.length||!t.scalarTextures.every((e=>!!e?.getHandle()))||!t.colorTexture?.getHandle()||!t.pwfTexture?.getHandle()||a&&(!t.labelOutlineThicknessTexture?.getHandle()||!t.labelOutlineOpacityTexture?.getHandle())},e.buildBufferObjects=(n,o)=>{const a=o.getProperties();t.currentValidInputs.forEach((({imageData:e,inputIndex:n},o)=>{const i=e.getPointData().getScalars(),s=t._openGLRenderWindow.getGraphicsResourceForObject(i),l=_f(0,i),c=!s?.oglObject?.getHandle()||s?.hash!==l,u=a[n],d=u?.getUpdatedExtents()??[],p=!!d.length;if(c&&!p){const n=Kd.newInstance();n.setOpenGLRenderWindow(t._openGLRenderWindow);const r=e.getDimensions();n.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),n.resetFormatAndType(),n.create3DFilterableFromDataArray({width:r[0],height:r[1],depth:r[2],dataArray:i}),t._openGLRenderWindow.setGraphicsResourceForObject(i,n,l),t.scalarTextures[o]=n}else t.scalarTextures[o]=s.oglObject;if(p){u.setUpdatedExtents([]);const n=e.getDimensions();t.scalarTextures[o].create3DFilterableFromDataArray({width:n[0],height:n[1],depth:n[2],dataArray:i,updatedExtents:d})}r(t._openGLRenderWindow,t._scalarTexturesCore[o],i),t._scalarTexturesCore[o]=i}));const i=t.currentValidInputs[0],s=a[i.inputIndex];if(!s)return void Wf("Missing property for first input");const l=s.getIndependentComponents(),c=l?t.numberOfComponents:1,u=l?2*c:1,d=[];for(let e=0;e<c;++e)if(t.multiTexturePerVolumeEnabled){const n=t.currentValidInputs[e],r=n?a[n.inputIndex]:null;d.push(r?.getRGBTransferFunction()||null)}else d.push(s.getRGBTransferFunction(e));const p=Uf(d,l,c),f=s.getRGBTransferFunction(),g=t._openGLRenderWindow.getGraphicsResourceForObject(f);if(!g?.oglObject?.getHandle()||g?.hash!==p){let e=t.renderable.getColorTextureWidth();e<=0&&(e=t.context.getParameter(t.context.MAX_TEXTURE_SIZE));const n=new Uint8ClampedArray(e*u*3),r=Kd.newInstance();if(r.setOpenGLRenderWindow(t._openGLRenderWindow),f){const t=new Float32Array(3*e);for(let r=0;r<c;r++){const o=d[r];if(o){const a=o.getRange();if(o.getTable(a[0],a[1],e,t,1),l)for(let o=0;o<3*e;o++)n[r*e*6+o]=255*t[o],n[r*e*6+o+3*e]=255*t[o];else for(let o=0;o<3*e;o++)n[r*e*3+o]=255*t[o]}}r.resetFormatAndType(),r.create2DFromRaw({width:e,height:u,numComps:3,dataType:hs.UNSIGNED_CHAR,data:n})}else{for(let t=0;t<3*e;++t){const r=255*t/(3*(e-1));for(let o=0;o<u;++o)n[o*e*3+t+0]=r,n[o*e*3+t+1]=r,n[o*e*3+t+2]=r}r.resetFormatAndType(),r.create2DFromRaw({width:e,height:1,numComps:3,dataType:hs.UNSIGNED_CHAR,data:n})}f&&t._openGLRenderWindow.setGraphicsResourceForObject(f,r,p),t.colorTexture=r}else t.colorTexture=g.oglObject;r(t._openGLRenderWindow,t._colorTextureCore,f),t._colorTextureCore=f;const m=[];for(let e=0;e<c;++e)if(t.multiTexturePerVolumeEnabled){const n=t.currentValidInputs[e],r=n?a[n.inputIndex]:null;m.push(r?.getPiecewiseFunction()||null)}else m.push(s.getPiecewiseFunction(e));const h=Uf(m,l,c),v=s.getPiecewiseFunction(),T=t._openGLRenderWindow.getGraphicsResourceForObject(v);if(!T?.oglObject?.getHandle()||T?.hash!==h){let e=t.renderable.getOpacityTextureWidth();e<=0&&(e=t.context.getParameter(t.context.MAX_TEXTURE_SIZE));const n=e*u,r=new Uint8ClampedArray(n),o=Kd.newInstance();if(o.setOpenGLRenderWindow(t._openGLRenderWindow),v){const t=new Float32Array(n),r=new Float32Array(e);for(let n=0;n<c;++n){const o=m[n];if(null===o)t.fill(1);else{const a=o.getRange();if(o.getTable(a[0],a[1],e,r,1),l)for(let o=0;o<e;o++)t[n*e*2+o]=r[o],t[n*e*2+o+e]=r[o];else for(let n=0;n<e;n++)t[n]=r[n]}}o.resetFormatAndType(),o.create2DFromRaw({width:e,height:u,numComps:1,dataType:hs.FLOAT,data:t})}else r.fill(255),o.resetFormatAndType(),o.create2DFromRaw({width:e,height:u,numComps:1,dataType:hs.UNSIGNED_CHAR,data:r});v&&t._openGLRenderWindow.setGraphicsResourceForObject(v,o,h),t.pwfTexture=o}else t.pwfTexture=T.oglObject;r(t._openGLRenderWindow,t._pwfTextureCore,v),t._pwfTextureCore=v,t.labelOutlineProperties.length>0&&(e.updateLabelOutlineThicknessTexture(t.labelOutlineProperties),e.updateLabelOutlineOpacityTexture(t.labelOutlineProperties));const x=`${t.resliceGeom.getMTime()}A${t.renderable.getSlabThickness()}`;if(!t.tris.getCABO().getElementCount()||t.VBOBuildString!==x){const e=Os.newInstance({numberOfComponents:3,values:t.resliceGeom.getPoints().getData()});e.setName("points");const n=Os.newInstance({numberOfComponents:1,values:t.resliceGeom.getPolys().getData()}),r={points:e,cellOffset:0};if(t.renderable.getSlabThickness()>0){const e=t.resliceGeom.getPointData().getNormals();e?r.normals=e:Wf("Slab mode requested without normals")}t.tris.getCABO().createVBO(n,"polys",os.SURFACE,r)}t.VBOBuildString=x,t.VBOBuildTime.modified()},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const a=n.getProgram(),i=t.currentValidInputs[0].imageData;if(n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){t.scalarTextures.forEach(((e,t)=>{a.setUniformi(`volumeTexture[${t}]`,e.getTextureUnit())})),a.isAttributeUsed("vertexWC")&&(n.getVAO().addAttributeArray(a,n.getCABO(),"vertexWC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Wf("Error setting vertexWC in shader VAO.")),a.isAttributeUsed("normalWC")&&(n.getVAO().addAttributeArray(a,n.getCABO(),"normalWC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Wf("Error setting normalWC in shader VAO.")),a.isUniformUsed("slabThickness")&&a.setUniformf("slabThickness",t.renderable.getSlabThickness()),a.isUniformUsed("spacing")&&a.setUniform3fv("spacing",i.getSpacing()),a.isUniformUsed("slabType")&&a.setUniformi("slabType",t.renderable.getSlabType()),a.isUniformUsed("slabTrapezoid")&&a.setUniformi("slabTrapezoid",t.renderable.getSlabTrapezoidIntegration());const e=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null;for(let n=0;n<t.currentValidInputs.length;n++){const r=`WCTCMatrix${n}`;if(a.isUniformUsed(r)){const o=t.currentValidInputs[n].imageData,i=o.getDimensions();T(t.tmpMat4,o.getIndexToWorld()),C(t.tmpMat4,t.tmpMat4,[-.5,-.5,-.5]),S(t.tmpMat4,t.tmpMat4,i),A(t.tmpMat4,t.tmpMat4),e&&y(t.tmpMat4,t.tmpMat4,e),a.setUniformMatrix(r,t.tmpMat4)}}a.isUniformUsed("vboScaling")&&a.setUniform3fv("vboScaling",n.getCABO().getCoordScale()??[1,1,1]),n.getAttributeUpdateTime().modified()}if(t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),n.getProgram().isUniformUsed("coffset")){const t=e.getCoincidentParameters(r,o);n.getProgram().setUniformf("coffset",t.offset),n.getProgram().isUniformUsed("cfactor")&&n.getProgram().setUniformf("cfactor",t.factor)}},e.setCameraShaderParameters=(e,n,r)=>{const o=t._openGLCamera.getKeyMatrices(n),a=t._openGLImageSlice.getKeyMatrices(),i=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,s=e.getProgram();s.isUniformUsed("MCPCMatrix")&&(x(t.tmpMat4),s.setUniformMatrix("MCPCMatrix",jf([o.wcpc,a.mcwc,i],H,t.tmpMat4))),s.isUniformUsed("MCVCMatrix")&&(x(t.tmpMat4),s.setUniformMatrix("MCVCMatrix",jf([o.wcvc,a.mcwc,i],H,t.tmpMat4)))},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=r.getProperty(t.currentValidInputs[0].inputIndex),i=t.multiTexturePerVolumeEnabled?1:a.getOpacity();o.setUniformf("opacity",i);const s=t.numberOfComponents,c=a.getIndependentComponents(),u=t.multiTexturePerVolumeEnabled,p=r.getProperties();if(c)for(let e=0;e<s;++e){const n=u?p[t.currentValidInputs[e].inputIndex]:a;o.setUniformf(`mix${e}`,n.getComponentWeight(0))}for(let e=0;e<s;e++){const n=u?e:0,r=u?0:e,i=t.scalarTextures[n].getVolumeInfo(),s=i.scale[r],l=i.offset[r],d=c?e:0,f=u?p[t.currentValidInputs[e].inputIndex]:a;let g=f.getColorWindow(),m=f.getColorLevel();const h=f.getRGBTransferFunction(u?0:d);if(h&&f.getUseLookupTableScalarRange()){const e=h.getRange();g=e[1]-e[0],m=.5*(e[1]+e[0])}const v=s/g,T=(l-m)/g+.5;o.setUniformf(`cshift${e}`,T),o.setUniformf(`cscale${e}`,v);let x=1,b=0;const A=f.getPiecewiseFunction(u?0:d);if(A){const e=A.getRange(),t=e[1]-e[0];x=s/t,b=(l-.5*(e[0]+e[1]))/t+.5}o.setUniformf(`pwfshift${e}`,b),o.setUniformf(`pwfscale${e}`,x)}const f=t.colorTexture.getTextureUnit();o.setUniformi("colorTexture1",f);const g=t.pwfTexture.getTextureUnit();if(o.setUniformi("pwfTexture1",g),o.setUniform4fv("backgroundColor",t.renderable.getBackgroundColor()),t.labelOutlineProperties.length>0){const e=t.labelOutlineThicknessTexture.getTextureUnit();o.setUniformi("labelOutlineThicknessTexture",e);const n=t.labelOutlineOpacityTexture.getTextureUnit();o.setUniformi("labelOutlineOpacityTexture",n);let r=t.renderable.getLabelOutlineTextureWidth();r<=0&&(r=t.context.getParameter(t.context.MAX_TEXTURE_SIZE)),o.setUniformf("labelOutlineTextureWidth",r),o.setUniformf("numLabelmaps",t.labelOutlineProperties.length);const a=t.renderable.getSlicePlane();if(t._tmpTangent1.fill(0),t._tmpTangent2.fill(0),a){const e=a.getNormal();Wa.perpendiculars(e,t._tmpTangent1,t._tmpTangent2,0)}else t._tmpTangent1[0]=1,t._tmpTangent2[1]=1;for(let e=0;e<t.currentValidInputs.length;e++){const n=t.currentValidInputs[e].imageData;l(t._tmpMat3,...n.getDirection()),d(t._tmpMat3,t._tmpMat3),ae(t._tmpVec3a,t._tmpTangent1,t._tmpMat3),ae(t._tmpVec3b,t._tmpTangent2,t._tmpMat3);const r=`outlineTangent1_${e}`,a=`outlineTangent2_${e}`;o.isUniformUsed(r)&&o.setUniform3fv(r,t._tmpVec3a),o.isUniformUsed(a)&&o.setUniform3fv(a,t._tmpVec3b)}for(let e=0;e<t.currentValidInputs.length;e++){const n=`texelSize${e}`;if(o.isUniformUsed(n)){const r=t.currentValidInputs[e].imageData,a=r.getDimensions(),i=r.getSpacing(),s=Math.min(Math.abs(i[0]),Math.abs(i[1]),Math.abs(i[2]));t._tmpTexelSize[0]=s/(a[0]*Math.abs(i[0])),t._tmpTexelSize[1]=s/(a[1]*Math.abs(i[1])),t._tmpTexelSize[2]=s/(a[2]*Math.abs(i[2])),o.setUniform3fv(n,t._tmpTexelSize)}}}},e.getNeedToRebuildShaders=(e,n,r)=>{const o=r.getProperty(t.currentValidInputs[0].inputIndex).getIndependentComponents(),a=t.labelOutlineProperties.length>0,i=t.renderable.getSlabThickness(),s=t.renderable.getSlabType(),l=t.renderable.getSlabTrapezoidIntegration();let c=!1;(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(c=!0);const u=t.currentValidInputs?.length??0;return!(!c&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&t.lastNumberOfComponents===t.numberOfComponents&&t.lastMultiTexturePerVolumeEnabled===t.multiTexturePerVolumeEnabled&&0!==e.getProgram()?.getHandle()&&t.lastIndependentComponents===o&&t.lastUseLabelOutline===a&&t.lastNumValidInputs===u&&t.lastSlabThickness===i&&t.lastSlabType===s&&t.lastSlabTrapezoidIntegration===l)&&(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastNumberOfComponents=t.numberOfComponents,t.lastMultiTexturePerVolumeEnabled=t.multiTexturePerVolumeEnabled,t.lastIndependentComponents=o,t.lastUseLabelOutline=a,t.lastNumValidInputs=u,t.lastSlabThickness=i,t.lastSlabType=s,t.lastSlabTrapezoidIntegration=l,!0)},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n  Program:   Visualization Toolkit\n  Module:    vtkImageResliceMapperVS.glsl\n\n  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n  All rights reserved.\n  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n     This software is distributed WITHOUT ANY WARRANTY; without even\n     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n     PURPOSE.  See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model coordinates\n// WC - World coordinates\n// VC - View coordinates\n// DC - Display coordinates\n// TC - Texture coordinates\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvoid main()\n{\n  //VTK::PositionVC::Impl\n\n  //VTK::TCoord::Impl\n\n  //VTK::Picking::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n  Program:   Visualization Toolkit\n  Module:    vtkImageResliceMapperFS.glsl\n\n  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n  All rights reserved.\n  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n     This software is distributed WITHOUT ANY WARRANTY; without even\n     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n     PURPOSE.  See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the gpu image mapper fragment shader\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n  // VC position of this fragment. This should not branch/return/discard.\n  //VTK::PositionVC::Impl\n\n  // Place any calls that require uniform flow (e.g. dFdx) here.\n  //VTK::UniformFlow::Impl\n\n  // Set gl_FragDepth here (gl_FragCoord.z by default)\n  //VTK::Depth::Impl\n\n  // Early depth peeling abort:\n  //VTK::DepthPeeling::PreColor\n\n  //VTK::TCoord::Impl\n\n  if (gl_FragData[0].a <= 0.0)\n    {\n    discard;\n    }\n\n  //VTK::DepthPeeling::Impl\n\n  //VTK::Picking::Impl\n\n  // handle coincident offsets\n  //VTK::Coincident::Impl\n\n  //VTK::ZBuffer::Impl\n\n  //VTK::RenderPassFragmentShader::Impl\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderTCoord(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=gd.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=gd.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderTCoord=(e,n,r)=>{let o=e.Vertex;const a=e.Geometry;let i=e.Fragment;const s=t.labelOutlineProperties.length>0,l=t.renderable.getSlabThickness();o=gd.substitute(o,"//VTK::TCoord::Dec",[]).result,o=gd.substitute(o,"//VTK::TCoord::Impl",[]).result;const c=t.numberOfComponents,u=r.getProperty(t.currentValidInputs[0].inputIndex).getIndependentComponents(),d=t.scalarTextures.length;let p=[`uniform highp sampler3D volumeTexture[${d}];`,"uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;"];for(let e=0;e<d;e++)p.push(`uniform mat4 WCTCMatrix${e};`);if(s){p=p.concat(["uniform sampler2D labelOutlineThicknessTexture;","uniform sampler2D labelOutlineOpacityTexture;","uniform float labelOutlineTextureWidth;","uniform float numLabelmaps;"]);for(let e=0;e<d;e++)p.push(`uniform vec3 outlineTangent1_${e};`),p.push(`uniform vec3 outlineTangent2_${e};`),p.push(`uniform vec3 texelSize${e};`)}if(p.push("vec4 rawSampleTexture(vec3 worldPos) {"),t.multiTexturePerVolumeEnabled){p.push("vec4 rawSample;");for(let e=0;e<d;++e)p.push(`vec3 tc${e} = (WCTCMatrix${e} * vec4(worldPos, 1.0)).xyz;`,`rawSample[${e}] = texture(volumeTexture[${e}], tc${e})[0];`);p.push("return rawSample;","}")}else p.push("vec3 tc0 = (WCTCMatrix0 * vec4(worldPos, 1.0)).xyz;","return texture(volumeTexture[0], tc0);","}");if(u){for(let e=1;e<c;e++)p=p.concat([`uniform float cshift${e};`,`uniform float cscale${e};`,`uniform float pwfshift${e};`,`uniform float pwfscale${e};`]);switch(c){case 1:p=p.concat(["uniform float mix0;","#define height0 0.5"]);break;case 2:p=p.concat(["uniform float mix0;","uniform float mix1;","#define height0 0.25","#define height1 0.75"]);break;case 3:p=p.concat(["uniform float mix0;","uniform float mix1;","uniform float mix2;","#define height0 0.17","#define height1 0.5","#define height2 0.83"]);break;case 4:p=p.concat(["uniform float mix0;","uniform float mix1;","uniform float mix2;","uniform float mix3;","#define height0 0.125","#define height1 0.375","#define height2 0.625","#define height3 0.875"]);break;default:Wf("Unsupported number of independent coordinates.")}}l>0&&(p=p.concat(["uniform vec3 spacing;","uniform float slabThickness;","uniform int slabType;","uniform int slabTrapezoid;","uniform vec3 vboScaling;"]),p=p.concat(["vec4 compositeValue(vec4 currVal, vec4 valToComp, int trapezoid)","{","  vec4 retVal = vec4(1.0);","  if (slabType == 0) // min","  {","    retVal = min(currVal, valToComp);","  }","  else if (slabType == 1) // max","  {","    retVal = max(currVal, valToComp);","  }","  else if (slabType == 3) // sum","  {","    retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); ","  }","  else // mean","  {","    retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); ","  }","  return retVal;","}"])),i=gd.substitute(i,"//VTK::TCoord::Dec",p).result;let f=["vec3 fragWorldPos = vertexWCVSOutput.xyz;","vec3 fragTexCoord = (WCTCMatrix0 * vec4(fragWorldPos, 1.0)).xyz;","if (any(greaterThan(fragTexCoord, vec3(1.0))) || any(lessThan(fragTexCoord, vec3(0.0))))","{","  // set the background color and exit","  gl_FragData[0] = backgroundColor;","  return;","}","vec4 tvalue = rawSampleTexture(fragWorldPos);"];if(l>0&&(f=f.concat(["// Get the first and last samples","int numSlices = 1;","float scaling = min(min(spacing.x, spacing.y), spacing.z) * 0.5;","vec3 normalxspacing = scaling * normalWCVSOutput;","float distTraveled = length(normalxspacing);","int trapezoid = 0;","while (distTraveled < slabThickness * 0.5)","{","  distTraveled += length(normalxspacing);","  float fnumSlices = float(numSlices);","  if (distTraveled > slabThickness * 0.5)","  {","    // Before stepping outside the slab, sample at the boundaries","    normalxspacing = normalWCVSOutput * slabThickness * 0.5 / fnumSlices;","    trapezoid = slabTrapezoid;","  }","  vec3 worldPosNeg = vertexWCVSOutput.xyz - fnumSlices * normalxspacing * vboScaling;","  vec3 fragTCoordNeg = (WCTCMatrix0 * vec4(worldPosNeg, 1.0)).xyz;","  if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))","  {","    vec4 newVal = rawSampleTexture(worldPosNeg);","    tvalue = compositeValue(tvalue, newVal, trapezoid);","    numSlices += 1;","  }","  vec3 worldPosPos = vertexWCVSOutput.xyz + fnumSlices * normalxspacing * vboScaling;","  vec3 fragTCoordPos = (WCTCMatrix0 * vec4(worldPosPos, 1.0)).xyz;","  if (!any(greaterThan(fragTCoordPos, vec3(1.0))) && !any(lessThan(fragTCoordPos, vec3(0.0))))","  {","    vec4 newVal = rawSampleTexture(worldPosPos);","    tvalue = compositeValue(tvalue, newVal, trapezoid);","    numSlices += 1;","  }","}","// Finally, if slab type is *mean*, divide the sum by the numSlices","if (slabType == 2)","{","  tvalue = tvalue / float(numSlices);","}"])),u){const e=["r","g","b","a"];for(let t=0;t<c;++t)f=f.concat([`vec3 tcolor${t} = texture2D(colorTexture1, vec2(tvalue.${e[t]} * cscale${t} + cshift${t}, height${t})).rgb;`,`float compWeight${t} = mix${t} * texture2D(pwfTexture1, vec2(tvalue.${e[t]} * pwfscale${t} + pwfshift${t}, height${t})).r;`]);const n=[];if(s)for(let e=0;e<c;e++){const o=r.getProperty(t.currentValidInputs[e].inputIndex);o?.getUseLabelOutline()&&n.push(e)}const o=e=>{if(1===e)return["gl_FragData[0] = vec4(tcolor0.rgb, compWeight0 * opacity);"];const t=Array.from({length:e},((e,t)=>t)),n=t.map((e=>`compWeight${e}`)).join(" + "),r=t.map((e=>`(tcolor${e}.rgb * (compWeight${e} / weightSum))`)).join(" + ");return[`float weightSum = ${n};`,`gl_FragData[0] = vec4(vec3(${r}), opacity);`]};f=n.length>0?f.concat(function(e,t){const n=["r","g","b","a"],r=Array.from({length:t},((e,t)=>t)),o=r.filter((t=>!e.includes(t))),a=e.map((e=>`vec3 labelTexCoord${e} = (WCTCMatrix${e} * vec4(fragWorldPos, 1.0)).xyz;`)).join("\n                "),i=0===e.length?"":`float neighborLabel = ${e.map(((e,t)=>0===t?`(labelInputIdx == ${t}) ? texture(volumeTexture[${e}], neighborTexCoord).r`:` : (labelInputIdx == ${t}) ? texture(volumeTexture[${e}], neighborTexCoord).r`)).join("")} : 0.0;`,s=[...o,...e].map((t=>{const r=e.includes(t),o=e.indexOf(t);return r?`\n        // Process input ${t} as labelmap\n        {\n          float labelValue = tvalue.${n[t]};\n          int segmentIndex = int(labelValue * 255.0);\n\n          if (segmentIndex > 0) {\n            float textureCoordinate = float(segmentIndex - 1) / labelOutlineTextureWidth;\n            float labelmapRow = (float(${o}) + 0.5) / numLabelmaps;\n            float thicknessValue = texture2D(labelOutlineThicknessTexture, vec2(textureCoordinate, labelmapRow)).r;\n            float labelOutlineOpacityValue = texture2D(labelOutlineOpacityTexture, vec2(textureCoordinate, labelmapRow)).r;\n            int actualThickness = int(thicknessValue * 255.0);\n\n            vec3 currentLabelTC = labelTexCoord${t};\n            vec3 currentTexelSize = texelSize${t};\n            vec3 currentTangent1 = outlineTangent1_${t};\n            vec3 currentTangent2 = outlineTangent2_${t};\n\n            bool pixelOnBorder = false;\n            int labelInputIdx = ${o};\n            for (int i = -actualThickness; i <= actualThickness; i++) {\n              for (int j = -actualThickness; j <= actualThickness; j++) {\n                if (i == 0 && j == 0) continue;\n                vec3 neighborTexCoord = currentLabelTC + float(i) * currentTangent1 * currentTexelSize + float(j) * currentTangent2 * currentTexelSize;\n                if (any(greaterThan(neighborTexCoord, vec3(1.0))) || any(lessThan(neighborTexCoord, vec3(0.0)))) {\n                  pixelOnBorder = true;\n                  break;\n                }\n                ${i}\n                if (neighborLabel != labelValue) {\n                  pixelOnBorder = true;\n                  break;\n                }\n              }\n              if (pixelOnBorder) break;\n            }\n\n            if (pixelOnBorder) {\n              convergentColor.rgb = mix(convergentColor.rgb, tcolor${t}.rgb, labelOutlineOpacityValue);\n              convergentColor.a = max(convergentColor.a, labelOutlineOpacityValue);\n            } else if (compWeight${t} > 0.0) {\n              float fillAlpha = compWeight${t} * opacity;\n              convergentColor.rgb = mix(convergentColor.rgb, tcolor${t}.rgb, fillAlpha);\n              convergentColor.a = max(convergentColor.a, fillAlpha);\n            }\n          }\n        }`:`\n        // Process input ${t} as background image\n        {\n          float bgAlpha = compWeight${t} * opacity;\n          convergentColor.rgb = mix(convergentColor.rgb, tcolor${t}.rgb, bgAlpha);\n          convergentColor.a = max(convergentColor.a, bgAlpha);\n        }`})).join("\n        "),l=e.length>0?`labelmaps at input${e.length>1?"s":""} ${e.join(", ")}`:"no labelmaps",c=o.length>0?`background at input${o.length>1?"s":""} ${o.join(", ")}`:"no background";return Hf(`\n      // Multi-texture mode: ${l}, ${c}\n      vec4 convergentColor = vec4(0.0, 0.0, 0.0, 0.0);\n\n      // Compute labelmap texture coordinates\n      ${a}\n\n      // Process each input in order\n      ${s}\n\n      gl_FragData[0] = convergentColor;\n    `)}(n,c)):f.concat(o(c))}else switch(c){case 1:f=s?f.concat([...Hf("\n                // Label outline mode for single component\n                float centerValue = tvalue.r;\n                int segmentIndex = int(centerValue * 255.0);\n\n                // Skip background (segment 0)\n                if (segmentIndex == 0) {\n                  gl_FragData[0] = vec4(0.0, 0.0, 0.0, 0.0);\n                  return;\n                }\n\n                // Get outline parameters for this segment (row 0 for single labelmap)\n                float textureCoordinate = float(segmentIndex - 1) / labelOutlineTextureWidth;\n                float labelmapRow = 0.5 / numLabelmaps;\n                float thicknessValue = texture2D(labelOutlineThicknessTexture, vec2(textureCoordinate, labelmapRow)).r;\n                float outlineOpacity = texture2D(labelOutlineOpacityTexture, vec2(textureCoordinate, labelmapRow)).r;\n                int actualThickness = int(thicknessValue * 255.0);\n\n                // Get color for this segment\n                vec3 tColor = texture2D(colorTexture1, vec2(centerValue * cscale0 + cshift0, 0.5)).rgb;\n                float scalarOpacity = texture2D(pwfTexture1, vec2(centerValue * pwfscale0 + pwfshift0, 0.5)).r;\n                float opacityToUse = scalarOpacity * opacity;\n\n                // Check neighbors for border detection\n                bool pixelOnBorder = false;\n                for (int i = -actualThickness; i <= actualThickness; i++) {\n                  for (int j = -actualThickness; j <= actualThickness; j++) {\n                    if (i == 0 && j == 0) {\n                      continue;\n                    }\n                    // Sample neighbor using tangent vectors in texture space\n                    vec3 neighborTexCoord = fragTexCoord + float(i) * outlineTangent1_0 * texelSize0 + float(j) * outlineTangent2_0 * texelSize0;\n\n                    // Skip if outside texture bounds\n                    if (any(greaterThan(neighborTexCoord, vec3(1.0))) || any(lessThan(neighborTexCoord, vec3(0.0)))) {\n                      pixelOnBorder = true;\n                      break;\n                    }\n\n                    float neighborValue = texture(volumeTexture[0], neighborTexCoord).r;\n                    if (neighborValue != centerValue) {\n                      pixelOnBorder = true;\n                      break;\n                    }\n                  }\n                  if (pixelOnBorder) {\n                    break;\n                  }\n                }\n\n                if (pixelOnBorder) {\n                  gl_FragData[0] = vec4(tColor, outlineOpacity);\n                } else {\n                  gl_FragData[0] = vec4(tColor, opacityToUse);\n                }\n              ")]):f.concat(["// Dependent components","float intensity = tvalue.r;","vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;","float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;","gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);"]);break;case 2:f=f.concat(["float intensity = tvalue.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tvalue.g + pwfshift0);"]);break;case 3:f=f.concat(["vec4 tcolor = cscale0*tvalue + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]);break;default:f=f.concat(["vec4 tcolor = cscale0*tvalue + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"])}i=gd.substitute(i,"//VTK::TCoord::Impl",f).result,e.Vertex=o,e.Fragment=i,e.Geometry=a},e.replaceShaderPositionVC=(n,r,o)=>{let a=n.Vertex;const i=n.Geometry;let s=n.Fragment;const l=t.renderable.getSlabThickness();let c=["attribute vec4 vertexWC;","varying vec4 vertexWCVSOutput;"];c=c.concat([`//${e.getMTime()}${t.resliceGeomUpdateString}`]),l>0&&(c=c.concat(["attribute vec3 normalWC;","varying vec3 normalWCVSOutput;"])),a=gd.substitute(a,"//VTK::PositionVC::Dec",c).result;let u=["gl_Position = MCPCMatrix * vertexWC;","vertexWCVSOutput = vertexWC;"];l>0&&(u=u.concat(["normalWCVSOutput = normalWC;"])),a=gd.substitute(a,"//VTK::PositionVC::Impl",u).result,a=gd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result;let d=["varying vec4 vertexWCVSOutput;"];l>0&&(d=d.concat(["varying vec3 normalWCVSOutput;"])),s=gd.substitute(s,"//VTK::PositionVC::Dec",d).result,n.Vertex=a,n.Geometry=i,n.Fragment=s},e.updateResliceGeometry=()=>{let e="";const n=t.currentValidInputs[0].imageData,r=n?.getBounds();let o=!0,a=2;const s=t.renderable.getSlicePolyData(),c=t.renderable.getSlicePlane();if(s)e=e.concat(`PolyData${s.getMTime()}`);else if(c){e=e.concat(`Plane${c.getMTime()}`);const t=i();n&&(e=e.concat(`Image${n.getMTime()}`),l(t,...n.getDirection()),d(t,t));const r=[...c.getNormal()];ae(r,r,t),[o,a]=function(e){Wa.normalize(e);const t=[0,0,0];for(let r=0;r<3;++r){(n=t)[0]=0,n[1]=0,n[2]=0,t[r]=1;const o=Wa.dot(e,t);if(o<-.999999||o>.999999)return[!0,r]}var n;return[!1,2]}(r)}else{const o=ii.newInstance();o.setNormal(0,0,1);let a=[0,1,0,1,0,1];n&&(a=r),o.setOrigin(a[0],a[2],.5*(a[5]+a[4])),t.renderable.setSlicePlane(o),e=e.concat(`Plane${c?.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`))}if(!t.resliceGeom||t.resliceGeomUpdateString!==e){if(s)t.resliceGeom||(t.resliceGeom=wu.newInstance()),t.resliceGeom.getPoints().setData(s.getPoints().getData(),3),t.resliceGeom.getPolys().setData(s.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(s.getPointData().getNormals());else if(c)if(o){const e=new Float32Array(12),r=n.worldToIndex(c.getOrigin(),[0,0,0]),o=[(a+1)%3,(a+2)%3].sort(),i=n.getSpatialExtent();let s=0;for(let t=0;t<2;++t)for(let n=0;n<2;++n)e[s+a]=r[a],e[s+o[0]]=i[2*o[0]+n],e[s+o[1]]=i[2*o[1]+t],s+=3;t.transform.setMatrix(n.getIndexToWorld()),t.transform.transformPoints(e,e);const l=new Uint16Array(8);l[0]=3,l[1]=0,l[2]=1,l[3]=3,l[4]=3,l[5]=0,l[6]=3,l[7]=2;const u=c.getNormal();Wa.normalize(u);const d=new Float32Array(12);for(let e=0;e<4;++e)d[3*e]=u[0],d[3*e+1]=u[1],d[3*e+2]=u[2];t.resliceGeom||(t.resliceGeom=wu.newInstance()),t.resliceGeom.getPoints().setData(e,3),t.resliceGeom.getPolys().setData(l,1);const p=Os.newInstance({numberOfComponents:3,values:d,name:"Normals"});t.resliceGeom.getPointData().setNormals(p)}else{t.outlineFilter.setInputData(n),t.cutter.setInputConnection(t.outlineFilter.getOutputPort()),t.cutter.setCutFunction(c),t.lineToSurfaceFilter.setInputConnection(t.cutter.getOutputPort()),t.lineToSurfaceFilter.update(),t.resliceGeom||(t.resliceGeom=wu.newInstance());const e=t.lineToSurfaceFilter.getOutputData();t.resliceGeom.getPoints().setData(e.getPoints().getData(),3),t.resliceGeom.getPolys().setData(e.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(e.getPointData().getNormals());const r=c.getNormal(),o=t.resliceGeom.getNumberOfPoints();Wa.normalize(r);const a=new Float32Array(3*o);for(let e=0;e<o;++e)a[3*e]=r[0],a[3*e+1]=r[1],a[3*e+2]=r[2];const i=Os.newInstance({numberOfComponents:3,values:a,name:"Normals"});t.resliceGeom.getPointData().setNormals(i)}else Wf("Something went wrong.","A default slice plane should have been created in the beginning of","updateResliceGeometry.");t.resliceGeomUpdateString=e,t.resliceGeom?.modified()}},e.updateLabelOutlineThicknessTexture=e=>{a(e.map((({property:e})=>e.getLabelOutlineThicknessByReference())),Uint8Array,hs.UNSIGNED_CHAR,"_labelOutlineThicknessHash","labelOutlineThicknessTexture")},e.updateLabelOutlineOpacityTexture=e=>{a(e.map((({property:e})=>{let t=e.getLabelOutlineOpacity();return"number"==typeof t&&(t=[t]),t})),Float32Array,hs.FLOAT,"_labelOutlineOpacityHash","labelOutlineOpacityTexture")},e.setScalarTextures=e=>{t.scalarTextures=[...e],t._externalOpenGLTexture=!0},e.delete=Yt((()=>{t._openGLRenderWindow&&o(t._openGLRenderWindow),t.labelOutlineThicknessTexture&&(t.labelOutlineThicknessTexture.releaseGraphicsResources(),t.labelOutlineThicknessTexture=null),t.labelOutlineOpacityTexture&&(t.labelOutlineOpacityTexture.releaseGraphicsResources(),t.labelOutlineOpacityTexture=null)}),e.delete)}const qf={VBOBuildTime:{},VBOBuildString:null,haveSeenDepthRequest:!1,lastHaveSeenDepthRequest:!1,lastIndependentComponents:!1,lastUseLabelOutline:!1,lastNumValidInputs:0,lastNumberOfComponents:0,lastMultiTexturePerVolumeEnabled:!1,lastSlabThickness:0,lastSlabTrapezoidIntegration:0,lastSlabType:-1,scalarTextures:[],_scalarTexturesCore:[],colorTexture:null,_colorTextureCore:null,pwfTexture:null,_pwfTextureCore:null,labelOutlineProperties:[],labelOutlineThicknessTexture:null,_labelOutlineThicknessHash:null,labelOutlineOpacityTexture:null,_labelOutlineOpacityHash:null,_externalOpenGLTexture:!1,resliceGeom:null,resliceGeomUpdateString:null,tris:null};Tn("vtkImageResliceMapper",qt((function(e,t,n={}){Object.assign(t,qf,n),fn.extend(e,t,n),Hd.implementReplaceShaderCoincidentOffset(e,t,n),Hd.implementBuildShadersWithReplacements(e,t,n),t.tris=Ad.newInstance(),t.scalarTextures=[],t.colorTexture=null,t.pwfTexture=null,t.VBOBuildTime={},Lt(t.VBOBuildTime),t.tmpMat4=x(new Float64Array(16)),t._tmpMat3=i(),t._tmpVec3a=j(),t._tmpVec3b=j(),t._tmpTangent1=[0,0,0],t._tmpTangent2=[0,0,0],t._tmpTexelSize=[0,0,0],t.outlineFilter=Lf.newInstance(),t.outlineFilter.setGenerateFaces(!0),t.outlineFilter.setGenerateLines(!1),t.cubePolyData=wu.newInstance(),t.cutter=Af.newInstance(),t.lineToSurfaceFilter=hf.newInstance(),t.transform=Gf.newInstance(),Ft(e,t,["scalarTextures"]),Xf(e,t)}),"vtkOpenGLImageResliceMapper"));var Yf={SlicingMode:{NONE:-1,I:0,J:1,K:2,X:3,Y:4,Z:5}};const{vtkErrorMacro:Jf}=cn,{SlicingMode:Zf}=Yf;function Qf(e){const t=e.split("\n"),n=[];for(let e=0;e<t.length;++e){const r=t[e].trim();r.length>0&&n.push(r)}return n}const $f={VBOBuildTime:0,VBOBuildString:null,openGLTexture:null,tris:null,imagemat:null,imagematinv:null,colorTexture:null,pwfTexture:null,labelOutlineThicknessTexture:null,labelOutlineOpacityTexture:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0};const eg=qt((function(e,t,n={}){Object.assign(t,$f,n),fn.extend(e,t,n),Hd.implementReplaceShaderCoincidentOffset(e,t,n),Hd.implementBuildShadersWithReplacements(e,t,n),t.tris=Ad.newInstance(),t.imagemat=x(new Float64Array(16)),t.imagematinv=x(new Float64Array(16)),t.projectionToWorld=x(new Float64Array(16)),t.idxToView=x(new Float64Array(16)),t.idxNormalMatrix=c(new Float64Array(9)),t.modelToView=x(new Float64Array(16)),t.projectionToView=x(new Float64Array(16)),Ut(e,t,[]),t.VBOBuildTime={},Lt(t.VBOBuildTime),function(e,t){function n(n){t.openGLTexture.releaseGraphicsResources(n),[t._colorTransferFunc,t._pwFunc,t._labelOutlineThicknessArray,t._labelOutlineOpacity].forEach((t=>n.unregisterGraphicsResourceUser(t,e)))}t.classHierarchy.push("vtkOpenGLImageMapper"),e.buildPass=r=>{if(r){t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const r=t._openGLRenderWindow;t._openGLRenderWindow=t._openGLRenderer.getLastAncestorOfType("vtkOpenGLRenderWindow"),r&&!r.isDeleted()&&r!==t._openGLRenderWindow&&n(r),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow);const o=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(o.getActiveCamera(),t.openGLCamera),t.renderable.isA("vtkImageMapper")&&t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(o.getActiveCamera())}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()==yl.PolygonOffset?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.getShaderTemplate=(e,t,n)=>{e.Vertex=zd,e.Fragment=Wd,e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let a=n.Vertex,i=n.Fragment;a=gd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,a=gd.substitute(a,"//VTK::PositionVC::Impl",["  gl_Position = MCPCMatrix * vertexMC;"]).result,a=gd.substitute(a,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result,a=gd.substitute(a,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result;const s=t.openGLTexture.getComponents(),l=o.getProperty().getIndependentComponents();let c=["varying vec2 tcoordVCVSOutput;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D texture1;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;"];if(o.getProperty().getUseLabelOutline()&&(c=c.concat(["uniform sampler2D labelOutlineTexture1;","uniform sampler2D labelOutlineOpacityTexture1;"])),l){for(let e=1;e<s;e++)c=c.concat([`uniform float cshift${e};`,`uniform float cscale${e};`,`uniform float pwfshift${e};`,`uniform float pwfscale${e};`]);switch(s){case 1:c=c.concat(["uniform float mix0;","#define height0 0.5"]);break;case 2:c=c.concat(["uniform float mix0;","uniform float mix1;","#define height0 0.25","#define height1 0.75"]);break;case 3:c=c.concat(["uniform float mix0;","uniform float mix1;","uniform float mix2;","#define height0 0.17","#define height1 0.5","#define height2 0.83"]);break;case 4:c=c.concat(["uniform float mix0;","uniform float mix1;","uniform float mix2;","uniform float mix3;","#define height0 0.125","#define height1 0.375","#define height2 0.625","#define height3 0.875"]);break;default:Jf("Unsupported number of independent coordinates.")}}if(i=gd.substitute(i,"//VTK::TCoord::Dec",c).result,!0===o.getProperty().getUseLabelOutline()&&(i=gd.substitute(i,"//VTK::LabelOutline::Dec",["uniform float vpWidth;","uniform float vpHeight;","uniform float vpOffsetX;","uniform float vpOffsetY;","uniform mat4 PCWCMatrix;","uniform mat4 vWCtoIDX;","uniform ivec3 imageDimensions;","uniform int sliceAxis;"]).result,i=gd.substitute(i,"//VTK::ImageLabelOutlineOn","#define vtkImageLabelOutlineOn").result,i=gd.substitute(i,"//VTK::LabelOutlineHelperFunction",["#ifdef vtkImageLabelOutlineOn","vec3 fragCoordToIndexSpace(vec4 fragCoord) {","  vec4 pcPos = vec4(","    (fragCoord.x / vpWidth - vpOffsetX - 0.5) * 2.0,","    (fragCoord.y / vpHeight - vpOffsetY - 0.5) * 2.0,","    (fragCoord.z - 0.5) * 2.0,","    1.0);","","  vec4 worldCoord = PCWCMatrix * pcPos;","  vec4 vertex = (worldCoord/worldCoord.w);","","  vec3 index = (vWCtoIDX * vertex).xyz;","","  // half voxel fix for labelmapOutline","  return (index + vec3(0.5)) / vec3(imageDimensions);","}","vec2 getSliceCoords(vec3 coord, int axis) {","  if (axis == 0) return coord.yz;","  if (axis == 1) return coord.xz;","  if (axis == 2) return coord.xy;","}","#endif"]).result),l){const e=["r","g","b","a"];let t=["vec4 tvalue = texture2D(texture1, tcoordVCVSOutput);"];for(let n=0;n<s;n++)t=t.concat([`vec3 tcolor${n} = mix${n} * texture2D(colorTexture1, vec2(tvalue.${e[n]} * cscale${n} + cshift${n}, height${n})).rgb;`,`float compWeight${n} = mix${n} * texture2D(pwfTexture1, vec2(tvalue.${e[n]} * pwfscale${n} + pwfshift${n}, height${n})).r;`]);switch(s){case 1:t=t.concat(["gl_FragData[0] = vec4(tcolor0.rgb, opacity);"]);break;case 2:t=t.concat(["float weightSum = compWeight0 + compWeight1;","gl_FragData[0] = vec4(vec3((tcolor0.rgb * (compWeight0 / weightSum)) + (tcolor1.rgb * (compWeight1 / weightSum))), opacity);"]);break;case 3:t=t.concat(["float weightSum = compWeight0 + compWeight1 + compWeight2;","gl_FragData[0] = vec4(vec3((tcolor0.rgb * (compWeight0 / weightSum)) + (tcolor1.rgb * (compWeight1 / weightSum)) + (tcolor2.rgb * (compWeight2 / weightSum))), opacity);"]);break;case 4:t=t.concat(["float weightSum = compWeight0 + compWeight1 + compWeight2 + compWeight3;","gl_FragData[0] = vec4(vec3((tcolor0.rgb * (compWeight0 / weightSum)) + (tcolor1.rgb * (compWeight1 / weightSum)) + (tcolor2.rgb * (compWeight2 / weightSum)) + (tcolor3.rgb * (compWeight3 / weightSum))), opacity);"]);break;default:Jf("Unsupported number of independent coordinates.")}i=gd.substitute(i,"//VTK::TCoord::Impl",t).result}else switch(s){case 1:i=gd.substitute(i,"//VTK::TCoord::Impl",[...Qf("\n                #ifdef vtkImageLabelOutlineOn\n                  vec3 centerPosIS = fragCoordToIndexSpace(gl_FragCoord);\n                  float centerValue = texture2D(texture1, getSliceCoords(centerPosIS, sliceAxis)).r;\n                  bool pixelOnBorder = false;\n                  vec3 tColor = texture2D(colorTexture1, vec2(centerValue * cscale0 + cshift0, 0.5)).rgb;\n                  float scalarOpacity = texture2D(pwfTexture1, vec2(centerValue * pwfscale0 + pwfshift0, 0.5)).r;\n                  float opacityToUse = scalarOpacity * opacity;\n                  int segmentIndex = int(centerValue * 255.0);\n                  float textureCoordinate = float(segmentIndex - 1) / 1024.0;\n                  float textureValue = texture2D(labelOutlineTexture1, vec2(textureCoordinate, 0.5)).r;\n                  float outlineOpacity = texture2D(labelOutlineOpacityTexture1, vec2(textureCoordinate, 0.5)).r;\n                  int actualThickness = int(textureValue * 255.0);\n\n                  if (segmentIndex == 0){\n                    gl_FragData[0] = vec4(0.0, 0.0, 0.0, 0.0);\n                    return;\n                  }\n\n                  for (int i = -actualThickness; i <= actualThickness; i++) {\n                    for (int j = -actualThickness; j <= actualThickness; j++) {\n                      if (i == 0 && j == 0) {\n                        continue;\n                      }\n                      vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n                        gl_FragCoord.y + float(j),\n                        gl_FragCoord.z, gl_FragCoord.w);\n                      vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n                      float value = texture2D(texture1, getSliceCoords(neighborPosIS, sliceAxis)).r;\n                      if (value != centerValue) {\n                        pixelOnBorder = true;\n                        break;\n                      }\n                    }\n                    if (pixelOnBorder == true) {\n                      break;\n                    }\n                  }\n                  if (pixelOnBorder == true) {\n                    gl_FragData[0] = vec4(tColor, outlineOpacity);\n                  }\n                  else {\n                    gl_FragData[0] = vec4(tColor, opacityToUse);\n                  }\n                #else\n                  float intensity = texture2D(texture1, tcoordVCVSOutput).r;\n                  vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;\n                  float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;\n                  gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);\n                #endif\n                ")]).result;break;case 2:i=gd.substitute(i,"//VTK::TCoord::Impl",["vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","float intensity = tcolor.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tcolor.g + pwfshift0);"]).result;break;case 3:i=gd.substitute(i,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]).result;break;default:i=gd.substitute(i,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"]).result}t.haveSeenDepthRequest&&(i=gd.substitute(i,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,i=gd.substitute(i,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=a,n.Fragment=i,e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,a=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(Tt("OpenGL has a limit of 6 clipping planes"),e=6),o=gd.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=gd.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)","    {","    if (planeNum >= numClipPlanes)","        {","        break;","        }","    clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);","    }"]).result,a=gd.substitute(a,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,a=gd.substitute(a,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)","    {","    if (planeNum >= numClipPlanes)","        {","        break;","        }","    if (clipDistancesVSOutput[planeNum] < 0.0) discard;","    }"]).result}e.Vertex=o,e.Fragment=a},e.getNeedToRebuildShaders=(e,n,r)=>{const o=t.openGLTexture.getComponents(),a=r.getProperty().getIndependentComponents();let i=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(i=!0),!!(i||t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||0===e.getProgram()?.getHandle()||e.getShaderSourceTime().getMTime()<t.renderable.getMTime()||e.getShaderSourceTime().getMTime()<t.currentInput.getMTime()||e.getShaderSourceTime().getMTime()<r.getProperty().getMTime()||t.lastTextureComponents!==o||t.lastIndependentComponents!==a)&&(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=a,!0)},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Jf("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),t.context.FALSE)||Jf("Error setting tcoordMC in shader VAO.")),n.getAttributeUpdateTime().modified());const a=t.openGLTexture.getTextureUnit();n.getProgram().setUniformi("texture1",a);const i=t.openGLTexture.getComponents(),s=o.getProperty().getIndependentComponents();if(s)for(let e=0;e<i;e++)n.getProgram().setUniformf(`mix${e}`,o.getProperty().getComponentWeight(e));const l=t.openGLTexture.getShiftAndScale();for(let e=0;e<i;e++){let t=o.getProperty().getColorWindow(),r=o.getProperty().getColorLevel();const a=s?e:0,i=o.getProperty().getRGBTransferFunction(a);if(i&&o.getProperty().getUseLookupTableScalarRange()){const e=i.getRange();t=e[1]-e[0],r=.5*(e[1]+e[0])}const c=l.scale/t,u=(l.shift-r)/t+.5;n.getProgram().setUniformf(`cshift${e}`,u),n.getProgram().setUniformf(`cscale${e}`,c)}for(let e=0;e<i;e++){let t=1,r=0;const a=s?e:0,i=o.getProperty().getPiecewiseFunction(a);if(i){const e=i.getRange(),n=e[1]-e[0],o=.5*(e[0]+e[1]);t=l.scale/n,r=(l.shift-o)/n+.5}n.getProgram().setUniformf(`pwfshift${e}`,r),n.getProgram().setUniformf(`pwfscale${e}`,t)}if(t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),n.getProgram().isUniformUsed("coffset")){const t=e.getCoincidentParameters(r,o);n.getProgram().setUniformf("coffset",t.offset),n.getProgram().isUniformUsed("cfactor")&&n.getProgram().setUniformf("cfactor",t.factor)}const c=t.colorTexture.getTextureUnit();n.getProgram().setUniformi("colorTexture1",c);const u=t.pwfTexture.getTextureUnit();if(n.getProgram().setUniformi("pwfTexture1",u),o.getProperty().getUseLabelOutline()){const e=t.labelOutlineThicknessTexture.getTextureUnit();n.getProgram().setUniformi("labelOutlineTexture1",e);const r=t.labelOutlineOpacityTexture.getTextureUnit();n.getProgram().setUniformi("labelOutlineOpacityTexture1",r)}if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(Tt("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,a=r?T(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(b(a,a),y(a,a,r),b(a,a)),b(t.imagemat,t.currentInput.getIndexToWorld()),y(t.imagematinv,a,t.imagemat);const i=[];for(let n=0;n<e;n++){const e=[];t.renderable.getClippingPlaneInDataCoords(t.imagematinv,n,e);for(let t=0;t<4;t++)i.push(e[t])}n.getProgram().setUniformi("numClipPlanes",e),n.getProgram().setUniform4fv("clipPlanes",i)}},e.setCameraShaderParameters=(n,r,o)=>{const a=n.getProgram(),i=t.openGLImageSlice.getKeyMatrices(),s=t.currentInput,l=s.getIndexToWorld();y(t.imagemat,i.mcwc,l);const c=t.openGLCamera.getKeyMatrices(r);if(y(t.imagemat,c.wcpc,t.imagemat),n.getCABO().getCoordShiftAndScaleEnabled()){const e=n.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,e)}if(a.setUniformMatrix("MCPCMatrix",t.imagemat),!0===o.getProperty().getUseLabelOutline()){const n=s.getWorldToIndex(),o=s.getDimensions();let i=t.renderable.getClosestIJKAxis().ijkMode;i===Zf.NONE&&(i=Zf.K),a.setUniform3i("imageDimensions",o[0],o[1],o[2]),a.setUniformi("sliceAxis",i),a.setUniformMatrix("vWCtoIDX",n);const l=t.openGLCamera.getKeyMatrices(r);A(t.projectionToWorld,l.wcpc),t.openGLCamera.getKeyMatrices(r),a.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const c=e.getRenderTargetSize();a.setUniformf("vpWidth",c[0]),a.setUniformf("vpHeight",c[1]);const u=e.getRenderTargetOffset();a.setUniformf("vpOffsetX",u[0]/c[0]),a.setUniformf("vpOffsetY",u[1]/c[1])}},e.setPropertyShaderParameters=(e,t,n)=>{const r=e.getProgram(),o=n.getProperty().getOpacity();r.setUniformf("opacity",o)},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),r.getProperty().getUseLabelOutline()&&(t.labelOutlineThicknessTexture.activate(),t.labelOutlineOpacityTexture.activate()),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),r.getProperty().getUseLabelOutline()&&(t.labelOutlineThicknessTexture.deactivate(),t.labelOutlineOpacityTexture.deactivate()),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getCurrentImage(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):Jf("No input!")},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime()<e.getMTime()||t.VBOBuildTime.getMTime()<r.getMTime()||t.VBOBuildTime.getMTime()<t.renderable.getMTime()||t.VBOBuildTime.getMTime()<r.getProperty().getMTime()||t.VBOBuildTime.getMTime()<t.currentInput.getMTime()||!t.openGLTexture?.getHandle()||!t.colorTexture?.getHandle()||r.getProperty().getUseLabelOutline()&&(!t.labelOutlineThicknessTexture?.getHandle()||!t.labelOutlineOpacityTexture?.getHandle())||!t.pwfTexture?.getHandle(),e.buildBufferObjects=(n,r)=>{const o=t.currentInput;if(!o)return;const a=o.getPointData()&&o.getPointData().getScalars();if(!a)return;const i=a.getDataType(),s=a.getNumberOfComponents(),l=r.getProperty(),c=l.getInterpolationType(),u=l.getIndependentComponents(),d=u?s:1,p=u?2*d:1,f=[];for(let e=0;e<d;++e)f.push(l.getRGBTransferFunction(e));const g=Uf(f,u,d),m=l.getRGBTransferFunction(),h=t._openGLRenderWindow.getGraphicsResourceForObject(m);if(h?.oglObject?.getHandle()&&h?.hash===g)t.colorTexture=h.oglObject;else{t.colorTexture=Kd.newInstance({resizable:!0}),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow);let n=t.renderable.getColorTextureWidth();n<=0&&(n=t.context.getParameter(t.context.MAX_TEXTURE_SIZE));const r=new Uint8ClampedArray(n*p*3);if(c===Kf.NEAREST?(t.colorTexture.setMinificationFilter(Cd.NEAREST),t.colorTexture.setMagnificationFilter(Cd.NEAREST)):(t.colorTexture.setMinificationFilter(Cd.LINEAR),t.colorTexture.setMagnificationFilter(Cd.LINEAR)),m){const e=new Float32Array(3*n);for(let t=0;t<d;t++){const o=l.getRGBTransferFunction(t),a=o.getRange();if(o.getTable(a[0],a[1],n,e,1),u)for(let o=0;o<3*n;o++)r[t*n*6+o]=255*e[o],r[t*n*6+o+3*n]=255*e[o];else for(let o=0;o<3*n;o++)r[t*n*6+o]=255*e[o]}t.colorTexture.resetFormatAndType(),t.colorTexture.create2DFromRaw({width:n,height:p,numComps:3,dataType:hs.UNSIGNED_CHAR,data:r})}else{for(let e=0;e<3*n;++e)r[e]=255*e/(3*(n-1)),r[e+1]=255*e/(3*(n-1)),r[e+2]=255*e/(3*(n-1));t.colorTexture.create2DFromRaw({width:n,height:1,numComps:3,dataType:hs.UNSIGNED_CHAR,data:r})}m&&(t._openGLRenderWindow.setGraphicsResourceForObject(m,t.colorTexture,g),m!==t._colorTransferFunc&&(t._openGLRenderWindow.registerGraphicsResourceUser(m,e),t._openGLRenderWindow.unregisterGraphicsResourceUser(t._colorTransferFunc,e)),t._colorTransferFunc=m)}const v=[];for(let e=0;e<d;++e)v.push(l.getPiecewiseFunction(e));const T=Uf(v,u,d),x=l.getPiecewiseFunction(),b=t._openGLRenderWindow.getGraphicsResourceForObject(x);if(b?.oglObject?.getHandle()&&b?.hash===T)t.pwfTexture=b.oglObject;else{let n=t.renderable.getOpacityTextureWidth();n<=0&&(n=t.context.getParameter(t.context.MAX_TEXTURE_SIZE));const r=n*p,o=new Uint8ClampedArray(r);if(t.pwfTexture=Kd.newInstance({resizable:!0}),t.pwfTexture.setOpenGLRenderWindow(t._openGLRenderWindow),c===Kf.NEAREST?(t.pwfTexture.setMinificationFilter(Cd.NEAREST),t.pwfTexture.setMagnificationFilter(Cd.NEAREST)):(t.pwfTexture.setMinificationFilter(Cd.LINEAR),t.pwfTexture.setMagnificationFilter(Cd.LINEAR)),x){const e=new Float32Array(r),o=new Float32Array(n);for(let t=0;t<d;++t){const r=l.getPiecewiseFunction(t);if(null===r)e.fill(1);else{const a=r.getRange();if(r.getTable(a[0],a[1],n,o,1),u)for(let r=0;r<n;r++)e[t*n*2+r]=o[r],e[t*n*2+r+n]=o[r];else for(let r=0;r<n;r++)e[t*n*2+r]=o[r]}}t.pwfTexture.resetFormatAndType(),t.pwfTexture.create2DFromRaw({width:n,height:p,numComps:1,dataType:hs.FLOAT,data:e})}else o.fill(255),t.pwfTexture.create2DFromRaw({width:n,height:1,numComps:1,dataType:hs.UNSIGNED_CHAR,data:o});x&&(t._openGLRenderWindow.setGraphicsResourceForObject(x,t.pwfTexture,T),x!==t._pwFunc&&(t._openGLRenderWindow.registerGraphicsResourceUser(x,e),t._openGLRenderWindow.unregisterGraphicsResourceUser(t._pwFunc,e)),t._pwFunc=x)}r.getProperty().getUseLabelOutline()&&(e.updatelabelOutlineThicknessTexture(r),e.updateLabelOutlineOpacityTexture(r));const{ijkMode:A}=t.renderable.getClosestIJKAxis();let y=t.renderable.getSlice();A!==t.renderable.getSlicingMode()&&(y=t.renderable.getSliceAtPosition(y));const C=t.renderable.isA("vtkImageArrayMapper")?t.renderable.getSubSlice():Math.round(y),S=o.getExtent();let P;A===Zf.I&&(P=C-S[0]),A===Zf.J&&(P=C-S[2]),A!==Zf.K&&A!==Zf.NONE||(P=C-S[4]);const w=`${y}A${o.getMTime()}A${a.getMTime()}B${e.getMTime()}C${t.renderable.getSlicingMode()}D${r.getProperty().getInterpolationType()}`;if(t.VBOBuildString!==w){const e=o.getDimensions();t.openGLTexture||(t.openGLTexture=Kd.newInstance({resizable:!0})),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),c===Kf.NEAREST?(new Set([1,3,4]).has(s)&&i===hs.UNSIGNED_CHAR&&!u?(t.openGLTexture.setGenerateMipmap(!0),t.openGLTexture.setMinificationFilter(Cd.NEAREST)):t.openGLTexture.setMinificationFilter(Cd.NEAREST),t.openGLTexture.setMagnificationFilter(Cd.NEAREST)):(4!==s||i!==hs.UNSIGNED_CHAR||u?t.openGLTexture.setMinificationFilter(Cd.LINEAR):(t.openGLTexture.setGenerateMipmap(!0),t.openGLTexture.setMinificationFilter(Cd.LINEAR_MIPMAP_LINEAR)),t.openGLTexture.setMagnificationFilter(Cd.LINEAR)),t.openGLTexture.setWrapS(yd.CLAMP_TO_EDGE),t.openGLTexture.setWrapT(yd.CLAMP_TO_EDGE);const n=e[0]*e[1]*s,r=new Float32Array(12),l=new Float32Array(8);for(let e=0;e<4;e++)l[2*e]=e%2?1:0,l[2*e+1]=e>1?1:0;const d=[Zf.X,Zf.Y,Zf.Z].includes(t.renderable.getSlicingMode())?y:C,p=o.getSpatialExtent(),f=a.getData();let g=null;if(A===Zf.I){g=new f.constructor(e[2]*e[1]*s);let t=0;for(let n=0;n<e[2];n++)for(let r=0;r<e[1];r++){let o=(P+r*e[0]+n*e[0]*e[1])*s;t=(n*e[1]+r)*s;const a=o+s;for(;o<a;)g[t++]=f[o++]}e[0]=e[1],e[1]=e[2],r[0]=d,r[1]=p[2],r[2]=p[4],r[3]=d,r[4]=p[3],r[5]=p[4],r[6]=d,r[7]=p[2],r[8]=p[5],r[9]=d,r[10]=p[3],r[11]=p[5]}else if(A===Zf.J){g=new f.constructor(e[2]*e[0]*s);let t=0;for(let n=0;n<e[2];n++)for(let r=0;r<e[0];r++){let o=(r+P*e[0]+n*e[0]*e[1])*s;t=(n*e[0]+r)*s;const a=o+s;for(;o<a;)g[t++]=f[o++]}e[1]=e[2],r[0]=p[0],r[1]=d,r[2]=p[4],r[3]=p[1],r[4]=d,r[5]=p[4],r[6]=p[0],r[7]=d,r[8]=p[5],r[9]=p[1],r[10]=d,r[11]=p[5]}else A===Zf.K||A===Zf.NONE?(g=f.subarray(P*n,(P+1)*n),r[0]=p[0],r[1]=p[2],r[2]=d,r[3]=p[1],r[4]=p[2],r[5]=d,r[6]=p[0],r[7]=p[3],r[8]=d,r[9]=p[1],r[10]=p[3],r[11]=d):Jf("Reformat slicing not yet supported.");const m=a.getRanges();t.openGLTexture.resetFormatAndType(),t.openGLTexture.create2DFilterableFromRaw({width:e[0],height:e[1],numComps:s,dataType:a.getDataType(),data:g,preferSizeOverAccuracy:!!t.renderable.getPreferSizeOverAccuracy?.(),ranges:m}),t.openGLTexture.activate(),t.openGLTexture.sendParameters(),t.openGLTexture.deactivate();const h=Os.newInstance({numberOfComponents:3,values:r});h.setName("points");const v=Os.newInstance({numberOfComponents:2,values:l});v.setName("tcoords");const T=new Uint16Array(8);T[0]=3,T[1]=0,T[2]=1,T[3]=3,T[4]=3,T[5]=0,T[6]=3,T[7]=2;const x=Os.newInstance({numberOfComponents:1,values:T});t.tris.getCABO().createVBO(x,"polys",os.SURFACE,{points:h,tcoords:v,cellOffset:0}),t.VBOBuildTime.modified(),t.VBOBuildString=w}},e.updateLabelOutlineOpacityTexture=n=>{let r=n.getProperty().getLabelOutlineOpacity();"number"==typeof r&&(r=t._cachedLabelOutlineOpacityObj?.[0]===r?t._cachedLabelOutlineOpacityObj:[r],t._cachedLabelOutlineOpacityObj=r);const o=t._openGLRenderWindow.getGraphicsResourceForObject(r),a=`${r.join("-")}`;if(o?.oglObject?.getHandle()&&o?.hash===a)t.labelOutlineOpacityTexture=o.oglObject;else{let n=t.renderable.getLabelOutlineTextureWidth();n<=0&&(n=t.context.getParameter(t.context.MAX_TEXTURE_SIZE));const o=1,i=new Float32Array(n*o);for(let e=0;e<n;++e)i[e]=r[e]??r[0];t.labelOutlineOpacityTexture=Kd.newInstance({resizable:!1}),t.labelOutlineOpacityTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.labelOutlineOpacityTexture.resetFormatAndType(),t.labelOutlineOpacityTexture.setMinificationFilter(Cd.NEAREST),t.labelOutlineOpacityTexture.setMagnificationFilter(Cd.NEAREST),t.labelOutlineOpacityTexture.create2DFromRaw({width:n,height:o,numComps:1,dataType:hs.FLOAT,data:i}),r&&(t._openGLRenderWindow.setGraphicsResourceForObject(r,t.labelOutlineOpacityTexture,a),r!==t._labelOutlineOpacity&&(t._openGLRenderWindow.registerGraphicsResourceUser(r,e),t._openGLRenderWindow.unregisterGraphicsResourceUser(t._labelOutlineOpacity,e)),t._labelOutlineOpacity=r)}},e.updatelabelOutlineThicknessTexture=n=>{const r=n.getProperty().getLabelOutlineThicknessByReference(),o=t._openGLRenderWindow.getGraphicsResourceForObject(r),a=`${r.join("-")}`;if(o?.oglObject?.getHandle()&&o?.hash===a)t.labelOutlineThicknessTexture=o.oglObject;else{let n=t.renderable.getLabelOutlineTextureWidth();n<=0&&(n=t.context.getParameter(t.context.MAX_TEXTURE_SIZE));const o=1,i=new Uint8Array(n*o);for(let e=0;e<n;++e){const t=void 0!==r[e]?r[e]:r[0];i[e]=t}t.labelOutlineThicknessTexture=Kd.newInstance({resizable:!1}),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.labelOutlineThicknessTexture.resetFormatAndType(),t.labelOutlineThicknessTexture.setMinificationFilter(Cd.NEAREST),t.labelOutlineThicknessTexture.setMagnificationFilter(Cd.NEAREST),t.labelOutlineThicknessTexture.create2DFromRaw({width:n,height:o,numComps:1,dataType:hs.UNSIGNED_CHAR,data:i}),r&&(t._openGLRenderWindow.setGraphicsResourceForObject(r,t.labelOutlineThicknessTexture,a),r!==t._labelOutlineThicknessArray&&(t._openGLRenderWindow.registerGraphicsResourceUser(r,e),t._openGLRenderWindow.unregisterGraphicsResourceUser(t._labelOutlineThicknessArray,e)),t._labelOutlineThicknessArray=r)}},e.getRenderTargetSize=()=>{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.delete=Yt((()=>{t._openGLRenderWindow&&n(t._openGLRenderWindow)}),e.delete)}(e,t)}),"vtkOpenGLImageMapper");Tn("vtkAbstractImageMapper",eg);const tg=0,ng=1,rg=2,{vtkErrorMacro:og}=ln;const ag={currentRenderPass:null,volumeTexture:null,colorTexture:null,pwfTexture:null,tris:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,lastIndependentComponents:0,imagemat:null,imagematinv:null};const ig=ln.newInstance((function(e,t,n={}){Object.assign(t,ag,n),fn.extend(e,t,n),Hd.implementReplaceShaderCoincidentOffset(e,t,n),ln.algo(e,t,2,0),t.tris=Ad.newInstance(),t.volumeTexture=null,t.colorTexture=null,t.pwfTexture=null,t.imagemat=x(new Float64Array(16)),t.imagematinv=x(new Float64Array(16)),t.VBOBuildTime={},ln.obj(t.VBOBuildTime,{mtime:0}),function(e,t){function n(n){[t._scalars,t._colorTransferFunc,t._pwFunc].forEach((t=>n.unregisterGraphicsResourceUser(t,e)))}t.classHierarchy.push("vtkOpenGLImageCPRMapper"),e.buildPass=r=>{if(r){t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const r=t._openGLRenderWindow;t._openGLRenderWindow=t._openGLRenderer.getLastAncestorOfType("vtkOpenGLRenderWindow"),r&&!r.isDeleted()&&r!==t._openGLRenderWindow&&n(r),t.context=t._openGLRenderWindow.getContext(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera(),t.openGLCamera),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow)}},e.opaquePass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.opaqueZBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()===yl.PolygonOffset?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),e.invokeEvent({type:"EndEvent"}),t.renderable.preRenderCheck()&&(t.currentImageDataInput=t.renderable.getInputData(0),t.currentCenterlineInput=t.renderable.getOrientedCenterline(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r))},e.renderPieceStart=(t,n)=>{e.updateBufferObjects(t,n)},e.renderPieceDraw=(n,r)=>{const o=t.context;t.volumeTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.volumeTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(n,r)=>{e.getNeedToRebuildBufferObjects(n,r)&&e.buildBufferObjects(n,r),r.getProperty().getInterpolationType()===Kf.NEAREST?(t.volumeTexture.setMinificationFilter(Cd.NEAREST),t.volumeTexture.setMagnificationFilter(Cd.NEAREST),t.colorTexture.setMinificationFilter(Cd.NEAREST),t.colorTexture.setMagnificationFilter(Cd.NEAREST),t.pwfTexture.setMinificationFilter(Cd.NEAREST),t.pwfTexture.setMagnificationFilter(Cd.NEAREST)):(t.volumeTexture.setMinificationFilter(Cd.LINEAR),t.volumeTexture.setMagnificationFilter(Cd.LINEAR),t.colorTexture.setMinificationFilter(Cd.LINEAR),t.colorTexture.setMagnificationFilter(Cd.LINEAR),t.pwfTexture.setMinificationFilter(Cd.LINEAR),t.pwfTexture.setMagnificationFilter(Cd.LINEAR))},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o<e.getMTime()||o<t.renderable.getMTime()||o<r.getMTime()||o<t.currentImageDataInput.getMTime()||o<t.currentCenterlineInput.getMTime()||!t.volumeTexture?.getHandle()},e.buildBufferObjects=(n,r)=>{const o=t.currentImageDataInput,a=t.currentCenterlineInput,i=r.getProperty(),s=o?.getPointData()?.getScalars();if(!s)return;const l=t._openGLRenderWindow.getGraphicsResourceForObject(s),c=_f(0,s),u=!l?.oglObject?.getHandle()||l?.hash!==c,d=i.getUpdatedExtents(),p=!!d.length;if(u){t.volumeTexture=Kd.newInstance(),t.volumeTexture.setOpenGLRenderWindow(t._openGLRenderWindow);const n=o.getDimensions();t.volumeTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.volumeTexture.resetFormatAndType(),t.volumeTexture.create3DFilterableFromDataArray({width:n[0],height:n[1],depth:n[2],dataArray:s,preferSizeOverAccuracy:t.renderable.getPreferSizeOverAccuracy()}),t._openGLRenderWindow.setGraphicsResourceForObject(s,t.volumeTexture,c),s!==t._scalars&&(t._openGLRenderWindow.registerGraphicsResourceUser(s,e),t._openGLRenderWindow.unregisterGraphicsResourceUser(t._scalars,e)),t._scalars=s}else t.volumeTexture=l.oglObject;if(p){i.setUpdatedExtents([]);const e=o.getDimensions();t.volumeTexture.create3DFilterableFromDataArray({width:e[0],height:e[1],depth:e[2],dataArray:s,updatedExtents:d})}const f=s.getNumberOfComponents(),g=r.getProperty(),m=g.getIndependentComponents(),h=m?f:1,v=m?2*h:1,T=[];for(let e=0;e<h;++e)T.push(g.getRGBTransferFunction(e));const x=Uf(T,m,h),b=g.getRGBTransferFunction(),A=t._openGLRenderWindow.getGraphicsResourceForObject(b);if(A?.oglObject?.getHandle()&&A?.hash===x)t.colorTexture=A.oglObject;else{let n=t.renderable.getColorTextureWidth();n<=0&&(n=t.context.getParameter(t.context.MAX_TEXTURE_SIZE));const r=new Uint8ClampedArray(n*v*3);if(t.colorTexture=Kd.newInstance(),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),b){const e=new Float32Array(3*n);for(let t=0;t<h;t++){const o=g.getRGBTransferFunction(t),a=o.getRange();if(o.getTable(a[0],a[1],n,e,1),m)for(let o=0;o<3*n;o++)r[t*n*6+o]=255*e[o],r[t*n*6+o+3*n]=255*e[o];else for(let o=0;o<3*n;o++)r[t*n*6+o]=255*e[o]}t.colorTexture.resetFormatAndType(),t.colorTexture.create2DFromRaw({width:n,height:v,numComps:3,dataType:hs.UNSIGNED_CHAR,data:r})}else{for(let e=0;e<3*n;++e)r[e]=255*e/(3*(n-1)),r[e+1]=255*e/(3*(n-1)),r[e+2]=255*e/(3*(n-1));t.colorTexture.resetFormatAndType(),t.colorTexture.create2DFromRaw({width:n,height:1,numComps:3,dataType:hs.UNSIGNED_CHAR,data:r})}b&&(t._openGLRenderWindow.setGraphicsResourceForObject(b,t.colorTexture,x),b!==t._colorTransferFunc&&(t._openGLRenderWindow.registerGraphicsResourceUser(b,e),t._openGLRenderWindow.unregisterGraphicsResourceUser(t._colorTransferFunc,e)),t._colorTransferFunc=b)}const y=[];for(let e=0;e<h;++e)y.push(g.getPiecewiseFunction(e));const C=Uf(y,m,h),S=g.getPiecewiseFunction(),P=t._openGLRenderWindow.getGraphicsResourceForObject(S);if(P?.oglObject?.getHandle()&&P?.hash===C)t.pwfTexture=P.oglObject;else{let n=t.renderable.getOpacityTextureWidth();n<=0&&(n=t.context.getParameter(t.context.MAX_TEXTURE_SIZE));const r=n*v,o=new Uint8ClampedArray(r);if(t.pwfTexture=Kd.newInstance(),t.pwfTexture.setOpenGLRenderWindow(t._openGLRenderWindow),S){const e=new Float32Array(r),o=new Float32Array(n);for(let t=0;t<h;++t){const r=g.getPiecewiseFunction(t);if(null===r)e.fill(1);else{const a=r.getRange();if(r.getTable(a[0],a[1],n,o,1),m)for(let r=0;r<n;r++)e[t*n*2+r]=o[r],e[t*n*2+r+n]=o[r];else for(let r=0;r<n;r++)e[t*n*2+r]=o[r]}}t.pwfTexture.resetFormatAndType(),t.pwfTexture.create2DFromRaw({width:n,height:v,numComps:1,dataType:hs.FLOAT,data:e})}else o.fill(255),t.pwfTexture.resetFormatAndType(),t.pwfTexture.create2DFromRaw({width:n,height:1,numComps:1,dataType:hs.UNSIGNED_CHAR,data:o});S&&(t._openGLRenderWindow.setGraphicsResourceForObject(S,t.pwfTexture,C),S!==t._pwFunc&&(t._openGLRenderWindow.registerGraphicsResourceUser(S,e),t._openGLRenderWindow.unregisterGraphicsResourceUser(t._pwFunc,e)),t._pwFunc=S)}if(t.VBOBuildTime.getMTime()<t.renderable.getMTime()||t.VBOBuildTime.getMTime()<a.getMTime()){const e=a.getNumberOfPoints(),n=e<=1?0:e-1,r=a.getDistancesToFirstPoint(),o=t.renderable.getHeight(),i=4*n,s=new Float32Array(3*i),l=t.renderable.getWidth();for(let e=0,t=0;e<n;++e)s.set([0,o-r[e],0],t),t+=3,s.set([l,o-r[e],0],t),t+=3,s.set([l,o-r[e+1],0],t),t+=3,s.set([0,o-r[e+1],0],t),t+=3;const c=Os.newInstance({numberOfComponents:3,values:s});c.setName("points");const u=new Uint16Array(5*n);for(let e=0,t=0,r=0;e<n;++e)u.set([4,r+3,r+2,r+1,r],t),t+=5,r+=4;const d=Os.newInstance({numberOfComponents:1,values:u}),p=a.getPoints(),f=new Float32Array(3*i),g=new Array(3),m=new Array(3);for(let e=0,t=0;e<n;++e)p.getPoint(e,g),p.getPoint(e+1,m),f.set(g,t),t+=3,f.set(g,t),t+=3,f.set(m,t),t+=3,f.set(m,t),t+=3;const h=Os.newInstance({numberOfComponents:3,values:f,name:"centerlinePosition"}),v=new Float32Array(i);for(let e=0,t=0;e<n;++e)v.set([0,1,3,2],t),t+=4;const T=[h,Os.newInstance({numberOfComponents:1,values:v,name:"quadIndex"})];if(!t.renderable.getUseUniformOrientation()){const e=t.renderable.getOrientedCenterline().getOrientations()??[],r=new Float32Array(4*i),o=new Float32Array(4*i);for(let t=0;t<n;++t){const n=e[t],a=e[t+1];for(let e=0;e<4;++e){const i=4*(e+4*t);r.set(n,i),o.set(a,i)}}const a=Os.newInstance({numberOfComponents:4,values:r,name:"centerlineTopOrientation"}),s=Os.newInstance({numberOfComponents:4,values:o,name:"centerlineBotOrientation"});T.push(a,s)}t.tris.getCABO().createVBO(d,"polys",os.SURFACE,{points:c,customAttributes:T}),t.VBOBuildTime.modified()}},e.getNeedToRebuildShaders=(e,n,r)=>{const o=t.volumeTexture.getComponents(),a=r.getProperty().getIndependentComponents(),i=!!t.renderable.getCenterPoint(),s=t.renderable.getUseUniformOrientation(),l=t.renderable.isProjectionEnabled()&&t.renderable.getProjectionMode();return(0===e.getProgram()||t.lastUseCenterPoint!==i||t.lastUseUniformOrientation!==s||t.lastProjectionMode!==l||t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||t.lastTextureComponents!==o||t.lastIndependentComponents!==a)&&(t.lastUseCenterPoint=i,t.lastUseUniformOrientation=s,t.lastProjectionMode=l,t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=a,!0)},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.replaceShaderValues=(n,r,o)=>{let a=n.Vertex,i=n.Fragment;const s=["vec3 applyQuaternionToVec(vec4 q, vec3 v) {","  float uvx = q.y * v.z - q.z * v.y;","  float uvy = q.z * v.x - q.x * v.z;","  float uvz = q.x * v.y - q.y * v.x;","  float uuvx = q.y * uvz - q.z * uvy;","  float uuvy = q.z * uvx - q.x * uvz;","  float uuvz = q.x * uvy - q.y * uvx;","  float w2 = q.w * 2.0;","  uvx *= w2;","  uvy *= w2;","  uvz *= w2;","  uuvx *= 2.0;","  uuvy *= 2.0;","  uuvz *= 2.0;","  return vec3(v.x + uvx + uuvx, v.y + uvy + uuvy, v.z + uvz + uuvz);","}"];a=gd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,a=gd.substitute(a,"//VTK::PositionVC::Impl",["  gl_Position = MCPCMatrix * vertexMC;"]).result;const l=["attribute vec3 centerlinePosition;","attribute float quadIndex;","uniform float width;","out vec2 quadOffsetVSOutput;","out vec3 centerlinePosVSOutput;"],c=t.renderable.isProjectionEnabled(),u=t.renderable.getUseUniformOrientation();u?(l.push("out vec3 samplingDirVSOutput;","uniform vec4 centerlineOrientation;","uniform vec3 tangentDirection;",...s),c&&l.push("out vec3 projectionDirVSOutput;","uniform vec3 bitangentDirection;")):l.push("out vec4 centerlineTopOrientationVSOutput;","out vec4 centerlineBotOrientationVSOutput;","attribute vec4 centerlineTopOrientation;","attribute vec4 centerlineBotOrientation;"),a=gd.substitute(a,"//VTK::Color::Dec",l).result;const d=["quadOffsetVSOutput = vec2(width * (mod(quadIndex, 2.0) == 0.0 ? -0.5 : 0.5), quadIndex > 1.0 ? 0.0 : 1.0);","centerlinePosVSOutput = centerlinePosition;"];u?(d.push("samplingDirVSOutput = applyQuaternionToVec(centerlineOrientation, tangentDirection);"),c&&d.push("projectionDirVSOutput = applyQuaternionToVec(centerlineOrientation, bitangentDirection);")):d.push("centerlineTopOrientationVSOutput = centerlineTopOrientation;","centerlineBotOrientationVSOutput = centerlineBotOrientation;"),a=gd.substitute(a,"//VTK::Color::Impl",d).result;const p=t.volumeTexture.getComponents(),f=o.getProperty().getIndependentComponents();let g=["uniform mat4 MCTCMatrix; // Model coordinates to texture coordinates","in vec2 quadOffsetVSOutput;","in vec3 centerlinePosVSOutput;","uniform highp sampler3D volumeTexture;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;"];c&&g.push("uniform vec3 volumeSizeMC;","uniform int projectionSlabNumberOfSamples;","uniform float projectionConstantOffset;","uniform float projectionStepLength;"),u?(g.push("in vec3 samplingDirVSOutput;"),c&&g.push("in vec3 projectionDirVSOutput;")):(g.push("uniform vec3 tangentDirection;","in vec4 centerlineTopOrientationVSOutput;","in vec4 centerlineBotOrientationVSOutput;",...s),c&&g.push("uniform vec3 bitangentDirection;"));const m=t.renderable.getCenterPoint();if(m&&g.push("uniform vec3 globalCenterPoint;"),f){for(let e=1;e<p;e++)g=g.concat([`uniform float cshift${e};`,`uniform float cscale${e};`,`uniform float pwfshift${e};`,`uniform float pwfscale${e};`]);switch(p){case 1:g=g.concat(["uniform float mix0;","#define height0 0.5"]);break;case 2:g=g.concat(["uniform float mix0;","uniform float mix1;","#define height0 0.25","#define height1 0.75"]);break;case 3:g=g.concat(["uniform float mix0;","uniform float mix1;","uniform float mix2;","#define height0 0.17","#define height1 0.5","#define height2 0.83"]);break;case 4:g=g.concat(["uniform float mix0;","uniform float mix1;","uniform float mix2;","uniform float mix3;","#define height0 0.125","#define height1 0.375","#define height2 0.625","#define height3 0.875"]);break;default:og("Unsupported number of independent coordinates.")}}i=gd.substitute(i,"//VTK::TCoord::Dec",g).result;let h=[];if(u?(h.push("vec3 samplingDirection = samplingDirVSOutput;"),c&&h.push("vec3 projectionDirection = projectionDirVSOutput;")):(h.push("vec4 q0 = centerlineBotOrientationVSOutput;","vec4 q1 = centerlineTopOrientationVSOutput;","float qCosAngle = dot(q0, q1);","vec4 interpolatedOrientation;","if (qCosAngle > 0.999 || qCosAngle < -0.999) {","  // Use LERP instead of SLERP when the two quaternions are close or opposite","  interpolatedOrientation = normalize(mix(q0, q1, quadOffsetVSOutput.y));","} else {","  float omega = acos(qCosAngle);","  interpolatedOrientation = normalize(sin((1.0 - quadOffsetVSOutput.y) * omega) * q0 + sin(quadOffsetVSOutput.y * omega) * q1);","}","vec3 samplingDirection = applyQuaternionToVec(interpolatedOrientation, tangentDirection);"),c&&h.push("vec3 projectionDirection = applyQuaternionToVec(interpolatedOrientation, bitangentDirection);")),m?h.push("float baseOffset = dot(samplingDirection, globalCenterPoint - centerlinePosVSOutput);","float horizontalOffset = quadOffsetVSOutput.x + baseOffset;"):h.push("float horizontalOffset = quadOffsetVSOutput.x;"),h.push("vec3 volumePosMC = centerlinePosVSOutput + horizontalOffset * samplingDirection;","vec3 volumePosTC = (MCTCMatrix * vec4(volumePosMC, 1.0)).xyz;","if (any(lessThan(volumePosTC, vec3(0.0))) || any(greaterThan(volumePosTC, vec3(1.0))))","{","  // set the background color and exit","  gl_FragData[0] = backgroundColor;","  return;","}"),c){const e=t.renderable.getProjectionMode();switch(e===ng?h.push("const vec4 initialProjectionTextureValue = vec4(1.0);"):h.push("const vec4 initialProjectionTextureValue = vec4(0.0);"),h.push("vec3 projectionScaledDirection = projectionDirection / volumeSizeMC;","vec3 projectionStep = projectionStepLength * projectionScaledDirection;","vec3 projectionStartPosition = volumePosTC + projectionConstantOffset * projectionScaledDirection;","vec4 tvalue = initialProjectionTextureValue;","for (int projectionSampleIdx = 0; projectionSampleIdx < projectionSlabNumberOfSamples; ++projectionSampleIdx) {","  vec3 projectionSamplePosition = projectionStartPosition + float(projectionSampleIdx) * projectionStep;","  vec4 sampledTextureValue = texture(volumeTexture, projectionSamplePosition);"),e){case tg:h.push("  tvalue = max(tvalue, sampledTextureValue);");break;case ng:h.push("  tvalue = min(tvalue, sampledTextureValue);");break;default:h.push("  tvalue = tvalue + sampledTextureValue;")}h.push("}"),e===rg&&h.push("tvalue = tvalue / float(projectionSlabNumberOfSamples);")}else h.push("vec4 tvalue = texture(volumeTexture, volumePosTC);");if(f){const e=["r","g","b","a"];for(let t=0;t<p;++t)h=h.concat([`vec3 tcolor${t} = mix${t} * texture2D(colorTexture1, vec2(tvalue.${e[t]} * cscale${t} + cshift${t}, height${t})).rgb;`,`float compWeight${t} = mix${t} * texture2D(pwfTexture1, vec2(tvalue.${e[t]} * pwfscale${t} + pwfshift${t}, height${t})).r;`]);switch(p){case 1:h=h.concat(["gl_FragData[0] = vec4(tcolor0.rgb, compWeight0 * opacity);"]);break;case 2:h=h.concat(["float weightSum = compWeight0 + compWeight1;","gl_FragData[0] = vec4(vec3((tcolor0.rgb * (compWeight0 / weightSum)) + (tcolor1.rgb * (compWeight1 / weightSum))), opacity);"]);break;case 3:h=h.concat(["float weightSum = compWeight0 + compWeight1 + compWeight2;","gl_FragData[0] = vec4(vec3((tcolor0.rgb * (compWeight0 / weightSum)) + (tcolor1.rgb * (compWeight1 / weightSum)) + (tcolor2.rgb * (compWeight2 / weightSum))), opacity);"]);break;case 4:h=h.concat(["float weightSum = compWeight0 + compWeight1 + compWeight2 + compWeight3;","gl_FragData[0] = vec4(vec3((tcolor0.rgb * (compWeight0 / weightSum)) + (tcolor1.rgb * (compWeight1 / weightSum)) + (tcolor2.rgb * (compWeight2 / weightSum)) + (tcolor3.rgb * (compWeight3 / weightSum))), opacity);"]);break;default:og("Unsupported number of independent coordinates.")}}else switch(p){case 1:h=h.concat(["// Dependent components","float intensity = tvalue.r;","vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;","float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;","gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);"]);break;case 2:h=h.concat(["float intensity = tvalue.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tvalue.g + pwfshift0);"]);break;case 3:h=h.concat(["vec4 tcolor = cscale0*tvalue + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]);break;default:h=h.concat(["vec4 tcolor = cscale0*tvalue + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,","  texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"])}i=gd.substitute(i,"//VTK::TCoord::Impl",h).result,t.haveSeenDepthRequest&&(i=gd.substitute(i,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,i=gd.substitute(i,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=a,n.Fragment=i,e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,a=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(ln.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6),o=gd.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=gd.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)","    {","    if (planeNum >= numClipPlanes)","        {","        break;","        }","    clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);","    }"]).result,a=gd.substitute(a,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,a=gd.substitute(a,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)","    {","    if (planeNum >= numClipPlanes)","        {","        break;","        }","    if (clipDistancesVSOutput[planeNum] < 0.0) discard;","    }"]).result}e.Vertex=o,e.Fragment=a},e.getShaderTemplate=(e,t,n)=>{e.Vertex=zd,e.Fragment=Wd,e.Geometry=""},e.setMapperShaderParameters=(n,r,o)=>{const a=n.getProgram(),i=n.getCABO();i.getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(a.isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(a,i,"vertexMC",i.getVertexOffset(),i.getStride(),t.context.FLOAT,3,t.context.FALSE)||og("Error setting vertexMC in shader VAO.")),n.getCABO().getCustomData().forEach((e=>{e&&a.isAttributeUsed(e.name)&&!n.getVAO().addAttributeArray(a,i,e.name,e.offset,i.getStride(),t.context.FLOAT,e.components,t.context.FALSE)&&og(`Error setting ${e.name} in shader VAO.`)})),n.getAttributeUpdateTime().modified());const s=t.volumeTexture.getTextureUnit();if(a.setUniformi("volumeTexture",s),a.setUniformf("width",t.renderable.getWidth()),n.getProgram().setUniform4fv("backgroundColor",t.renderable.getBackgroundColor()),a.isUniformUsed("tangentDirection")){const e=t.renderable.getTangentDirection();n.getProgram().setUniform3fArray("tangentDirection",e)}if(a.isUniformUsed("bitangentDirection")){const e=t.renderable.getBitangentDirection();n.getProgram().setUniform3fArray("bitangentDirection",e)}if(a.isUniformUsed("centerlineOrientation")){const e=t.renderable.getUniformOrientation();n.getProgram().setUniform4fv("centerlineOrientation",e)}if(a.isUniformUsed("globalCenterPoint")){const e=t.renderable.getCenterPoint();a.setUniform3fArray("globalCenterPoint",e)}if(t.renderable.isProjectionEnabled()){const e=t.currentImageDataInput,n=e.getSpacing(),r=e.getDimensions(),o=t.renderable.getProjectionSlabThickness(),i=t.renderable.getProjectionSlabNumberOfSamples(),s=ce([],n,r);a.setUniform3fArray("volumeSizeMC",s),a.setUniformi("projectionSlabNumberOfSamples",i);const l=-.5*o;a.setUniformf("projectionConstantOffset",l);const c=o/(i-1);a.setUniformf("projectionStepLength",c)}const l=t.currentImageDataInput,c=l.getWorldToIndex(),u=M(new Float32Array(16),ee([],l.getDimensions())),d=z(u,u,c);if(a.setUniformMatrix("MCTCMatrix",d),t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(ln.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6);const n=i.getCoordShiftAndScaleEnabled()?i.getInverseShiftAndScaleMatrix():null,r=n?T(t.imagematinv,o.getMatrix()):o.getMatrix();n&&(b(r,r),y(r,r,n),b(r,r)),b(t.imagemat,t.currentImageDataInput.getIndexToWorld()),y(t.imagematinv,r,t.imagemat);const s=[];for(let n=0;n<e;n++){const e=[];t.renderable.getClippingPlaneInDataCoords(t.imagematinv,n,e);for(let t=0;t<4;t++)s.push(e[t])}a.setUniformi("numClipPlanes",e),a.setUniform4fv("clipPlanes",s)}if(a.isUniformUsed("coffset")){const t=e.getCoincidentParameters(r,o);a.setUniformf("coffset",t.offset),a.isUniformUsed("cfactor")&&a.setUniformf("cfactor",t.factor)}},e.setCameraShaderParameters=(e,n,r)=>{const o=t.openGLImageSlice.getKeyMatrices().mcwc,a=t.openGLCamera.getKeyMatrices(n).wcpc;if(y(t.imagemat,a,o),e.getCABO().getCoordShiftAndScaleEnabled()){const n=e.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,n)}e.getProgram().setUniformMatrix("MCPCMatrix",t.imagemat)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=r.getProperty(),i=a.getOpacity();o.setUniformf("opacity",i);const s=t.volumeTexture.getComponents(),l=a.getIndependentComponents();if(l)for(let e=0;e<s;++e)o.setUniformf(`mix${e}`,a.getComponentWeight(e));const c=t.volumeTexture.getVolumeInfo();for(let e=0;e<s;e++){let t=a.getColorWindow(),n=a.getColorLevel();const r=l?e:0,i=a.getRGBTransferFunction(r);if(i&&a.getUseLookupTableScalarRange()){const e=i.getRange();t=e[1]-e[0],n=.5*(e[1]+e[0])}const s=c.scale[e]/t,u=(c.offset[e]-n)/t+.5;o.setUniformf(`cshift${e}`,u),o.setUniformf(`cscale${e}`,s)}const u=t.colorTexture.getTextureUnit();o.setUniformi("colorTexture1",u);for(let e=0;e<s;e++){let t=1,n=0;const r=l?e:0,i=a.getPiecewiseFunction(r);if(i){const r=i.getRange(),o=r[1]-r[0],a=.5*(r[0]+r[1]);t=c.scale[e]/o,n=(c.offset[e]-a)/o+.5}o.setUniformf(`pwfshift${e}`,n),o.setUniformf(`pwfscale${e}`,t)}const d=t.pwfTexture.getTextureUnit();o.setUniformi("pwfTexture1",d)},e.updateShaders=(n,r,o)=>{if(e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.delete=ln.chain((()=>{t._openGLRenderWindow&&n(t._openGLRenderWindow)}),e.delete)}(e,t)}),"vtkOpenGLImageCPRMapper");Tn("vtkImageCPRMapper",ig);const sg={context:null,keyMatrixTime:null,keyMatrices:null};Tn("vtkImageSlice",qt((function(e,t,n={}){Object.assign(t,sg,n),fn.extend(e,t,n),t.keyMatrixTime={},Lt(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:x(new Float64Array(16))},Ut(e,t,["context"]),function(e,t){t.classHierarchy.push("vtkOpenGLImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t._openGLRenderWindow=e.getLastAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseZBufferPass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseOpaqueZBufferPass=t=>e.traverseOpaquePass(t),e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t._openGLRenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.zBufferPass=(t,n)=>e.opaquePass(t,n),e.opaqueZBufferPass=(t,n)=>e.opaquePass(t,n),e.opaquePass=(e,n)=>{e&&t.context.depthMask(!0)},e.translucentPass=(e,n)=>{t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(T(t.keyMatrices.mcwc,t.renderable.getMatrix()),b(t.keyMatrices.mcwc,t.keyMatrices.mcwc),t.keyMatrixTime.modified()),t.keyMatrices)}(e,t)}),"vtkOpenGLImageSlice"));const lg={};Tn("vtkVolume",qt((function(e,t,n={}){Object.assign(t,lg,n),fn.extend(e,t,n),t.keyMatrixTime={},Lt(t.keyMatrixTime,{mtime:0}),t.normalMatrix=new Float64Array(9),t.MCWCMatrix=new Float64Array(16),Ut(e,t,["context"]),function(e,t){t.classHierarchy.push("vtkOpenGLVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t._openGLRenderWindow=e.getLastAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementVolumeCount()}},e.traverseVolumePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0].traverse(n),e.apply(n,!1))},e.volumePass=e=>{t.renderable&&t.renderable.getVisibility()&&t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(t.renderable.computeMatrix(),T(t.MCWCMatrix,t.renderable.getMatrix()),b(t.MCWCMatrix,t.MCWCMatrix),t.renderable.getIsIdentity()?c(t.normalMatrix):(s(t.normalMatrix,t.MCWCMatrix),d(t.normalMatrix,t.normalMatrix),u(t.normalMatrix,t.normalMatrix)),t.keyMatrixTime.modified()),{mcwc:t.MCWCMatrix,normalMatrix:t.normalMatrix})}(e,t)}),"vtkOpenGLVolume"));const cg={NEAREST:0,LINEAR:1,FAST_LINEAR:2},ug={FRACTIONAL:0,PROPORTIONAL:1},dg={DEFAULT:0,ADDITIVE:1,COLORIZE:2,CUSTOM:3};var pg={InterpolationType:cg,OpacityMode:ug,ColorMixPreset:dg,FilterMode:{OFF:0,NORMALIZED:1,RAW:2}};const fg={COMPOSITE_BLEND:0,MAXIMUM_INTENSITY_BLEND:1,MINIMUM_INTENSITY_BLEND:2,AVERAGE_INTENSITY_BLEND:3,ADDITIVE_INTENSITY_BLEND:4,RADON_TRANSFORM_BLEND:5,LABELMAP_EDGE_PROJECTION_BLEND:6};var gg={BlendMode:fg};const{vtkWarningMacro:mg,vtkErrorMacro:hg}=cn,vg={idxToView:x(new Float64Array(16)),vecISToVCMatrix:c(new Float64Array(9)),modelToView:x(new Float64Array(16)),projectionToView:x(new Float64Array(16)),projectionToWorld:x(new Float64Array(16))};function Tg(e,t){function n(e){return e.getUseLabelOutline()||t.renderable.getBlendMode()===fg.LABELMAP_EDGE_PROJECTION_BLEND}t.classHierarchy.push("vtkOpenGLVolumeMapper");const r=new Map;function o(t,n,o){n!==o&&(function(t,n){if(!n)return;const o=(r.get(n)??0)-1;o<=0?(t.unregisterGraphicsResourceUser(n,e),r.delete(n)):r.set(n,o)}(t,n),function(t,n){if(!n)return;const o=r.get(n)??0,a=o+1;r.set(n,a),o<=0&&t.registerGraphicsResourceUser(n,e)}(t,o))}function a(t){[...r.keys()].forEach((n=>t.unregisterGraphicsResourceUser(n,e)))}e.buildPass=()=>{t.zBufferTexture=null},e.zBufferPass=(e,n)=>{if(e){const e=n.getZBufferTexture();e!==t.zBufferTexture&&(t.zBufferTexture=e)}},e.opaqueZBufferPass=(t,n)=>e.zBufferPass(t,n),e.volumePass=(n,r)=>{if(n){const n=t._openGLRenderWindow;t._openGLRenderWindow=e.getLastAncestorOfType("vtkOpenGLRenderWindow"),n&&!n.isDeleted()&&n!==t._openGLRenderWindow&&a(n),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.jitterTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLVolume=e.getFirstAncestorOfType("vtkOpenGLVolume");const r=t.openGLVolume.getRenderable();t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const o=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(o.getActiveCamera(),t.openGLCamera),e.renderPiece(o,r)}},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n  Program:   Visualization Toolkit\n  Module:    vtkVolumeVS.glsl\n\n  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n  All rights reserved.\n  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n     This software is distributed WITHOUT ANY WARRANTY; without even\n     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n     PURPOSE.  See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\n\nvarying vec3 vertexVCVSOutput;\nuniform mat4 PCVCMatrix;\n\nuniform float dcxmin;\nuniform float dcxmax;\nuniform float dcymin;\nuniform float dcymax;\n\nvoid main()\n{\n  // dcsmall is the device coords reduced to the\n  // x y area covered by the volume\n  vec4 dcsmall = vec4(\n    dcxmin + 0.5 * (vertexDC.x + 1.0) * (dcxmax - dcxmin),\n    dcymin + 0.5 * (vertexDC.y + 1.0) * (dcymax - dcymin),\n    vertexDC.z,\n    vertexDC.w);\n  vec4 vcpos = PCVCMatrix * dcsmall;\n  vertexVCVSOutput = vcpos.xyz/vcpos.w;\n  gl_Position = dcsmall;\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n  Program:   Visualization Toolkit\n  Module:    vtkVolumeFS.glsl\n\n  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n  All rights reserved.\n  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n     This software is distributed WITHOUT ANY WARRANTY; without even\n     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n     PURPOSE.  See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the volume mappers fragment shader\n\nconst float infinity = 3.402823466e38;\n\n// the output of this shader\n//VTK::Output::Dec\n\nin vec3 vertexVCVSOutput;\n\n// From Sources\\Rendering\\Core\\VolumeProperty\\Constants.js\n#define COMPOSITE_BLEND 0\n#define MAXIMUM_INTENSITY_BLEND 1\n#define MINIMUM_INTENSITY_BLEND 2\n#define AVERAGE_INTENSITY_BLEND 3\n#define ADDITIVE_INTENSITY_BLEND 4\n#define RADON_TRANSFORM_BLEND 5\n#define LABELMAP_EDGE_PROJECTION_BLEND 6\n\n#define vtkNumberOfLights //VTK::NumberOfLights\n#define vtkMaxLaoKernelSize //VTK::MaxLaoKernelSize\n#define vtkNumberOfComponents //VTK::NumberOfComponents\n#define vtkBlendMode //VTK::BlendMode\n#define vtkMaximumNumberOfSamples //VTK::MaximumNumberOfSamples\n\n//VTK::EnabledColorFunctions\n\n//VTK::EnabledLightings\n\n//VTK::EnabledMultiTexturePerVolume\n\n//VTK::EnabledGradientOpacity\n\n//VTK::EnabledIndependentComponents\n\n//VTK::vtkProportionalComponents\n\n//VTK::vtkForceNearestComponents\n\nuniform int twoSidedLighting;\n\n#if vtkMaxLaoKernelSize > 0\n  vec2 kernelSample[vtkMaxLaoKernelSize];\n#endif\n\n// Textures\n#ifdef EnabledMultiTexturePerVolume\n  #define vtkNumberOfVolumeTextures vtkNumberOfComponents\n#else\n  #define vtkNumberOfVolumeTextures 1\n#endif\nuniform highp sampler3D volumeTexture[vtkNumberOfVolumeTextures];\nuniform sampler2D colorTexture;\nuniform sampler2D opacityTexture;\nuniform sampler2D jtexture;\nuniform sampler2D labelOutlineThicknessTexture;\n\nstruct Volume {\n  // ---- Volume geometry settings ----\n\n  vec3 originVC;          // in VC\n  vec3 spacing;           // in VC per IC\n  vec3 inverseSpacing;    // 1/spacing\n  ivec3 dimensions;       // in IC\n  vec3 inverseDimensions; // 1/vec3(dimensions)\n  mat3 vecISToVCMatrix;   // convert from IS to VC without translation\n  mat3 vecVCToISMatrix;   // convert from VC to IS without translation\n  mat4 PCWCMatrix;\n  mat4 worldToIndex;\n  float diagonalLength; // in VC, this is: length(size)\n\n  // ---- Texture settings ----\n\n  // Texture shift and scale\n  vec4 colorTextureScale;\n  vec4 colorTextureShift;\n  vec4 opacityTextureScale;\n  vec4 opacityTextureShift;\n\n  // The heights defined below are the locations for the up to four components\n  // of the transfer functions. The transfer functions have a height of (2 *\n  // numberOfComponents) pixels so the values are computed to hit the middle of\n  // the two rows for that component\n  vec4 transferFunctionsSampleHeight;\n\n  // ---- Mode specific settings ----\n\n  // Independent component default preset settings per component\n  vec4 independentComponentMix;\n\n  // Additive / average blending mode settings\n  vec4 ipScalarRangeMin;\n  vec4 ipScalarRangeMax;\n\n  // ---- Rendering settings ----\n\n  // Lighting\n  float ambient;\n  float diffuse;\n  float specular;\n  float specularPower;\n  int computeNormalFromOpacity;\n\n  // Gradient opacity\n  vec4 gradientOpacityScale;\n  vec4 gradientOpacityShift;\n  vec4 gradientOpacityMin;\n  vec4 gradientOpacityMax;\n\n  // Volume shadow\n  float volumetricScatteringBlending;\n  float globalIlluminationReach;\n  float anisotropy;\n  float anisotropySquared;\n\n  // LAO\n  int kernelSize;\n  int kernelRadius;\n\n  // Label outline\n  float outlineOpacity;\n};\nuniform Volume volume;\n\nstruct Light {\n  vec3 color;\n  vec3 positionVC;\n  vec3 directionVC; // normalized\n  vec3 halfAngleVC;\n  vec3 attenuation;\n  float exponent;\n  float coneAngle;\n  int isPositional;\n};\n#if vtkNumberOfLights > 0\n  uniform Light lights[vtkNumberOfLights];\n#endif\n\nuniform float vpWidth;\nuniform float vpHeight;\nuniform float vpOffsetX;\nuniform float vpOffsetY;\n\n// Bitmasks for label outline\nconst int MAX_SEGMENT_INDEX = 256; // Define as per expected maximum\n#define MAX_SEGMENTS 256\n#define UINT_SIZE 32\n// We add UINT_SIZE - 1, as we want the ceil of the division instead of the\n// floor\n#define BITMASK_SIZE ((MAX_SEGMENTS + UINT_SIZE - 1) / UINT_SIZE)\nuint labelOutlineBitmasks[BITMASK_SIZE];\n\n// Set the corresponding bit in the bitmask\nvoid setLabelOutlineBit(int segmentIndex) {\n  int arrayIndex = segmentIndex / UINT_SIZE;\n  int bitIndex = segmentIndex % UINT_SIZE;\n  labelOutlineBitmasks[arrayIndex] |= 1u << bitIndex;\n}\n\n// Check if a bit is set in the bitmask\nbool isLabelOutlineBitSet(int segmentIndex) {\n  int arrayIndex = segmentIndex / UINT_SIZE;\n  int bitIndex = segmentIndex % UINT_SIZE;\n  return ((labelOutlineBitmasks[arrayIndex] & (1u << bitIndex)) != 0u);\n}\n\n// if you want to see the raw tiled\n// data in webgl1 uncomment the following line\n// #define debugtile\n\n// camera values\nuniform float camThick;\nuniform float camNear;\nuniform float camFar;\nuniform int cameraParallel;\n\n//VTK::ClipPlane::Dec\n\n// A random number between 0 and 1 that only depends on the fragment\n// It uses the jtexture, so this random seed repeats by blocks of 32 fragments\n// in screen space\nfloat fragmentSeed;\n\n// sample texture is global\nuniform float sampleDistance;\nuniform float volumeShadowSampleDistance;\n\n// declaration for intermixed geometry\n//VTK::ZBuffer::Dec\n\n//=======================================================================\n// global and custom variables (a temporary section before photorealistics\n// rendering module is complete)\nvec3 rayDirVC;\n\n#define INV4PI 0.0796\n#define EPSILON 0.001\n#define PI 3.1415\n#define PI2 9.8696\n\nvec4 rawSampleTexture(vec3 pos) {\n  #ifdef EnabledMultiTexturePerVolume\n    vec4 rawSample;\n    rawSample[0] = texture(volumeTexture[0], pos)[0];\n  #if vtkNumberOfComponents > 1\n    rawSample[1] = texture(volumeTexture[1], pos)[0];\n  #endif\n  #if vtkNumberOfComponents > 2\n    rawSample[2] = texture(volumeTexture[2], pos)[0];\n  #endif\n  #if vtkNumberOfComponents > 3\n    rawSample[3] = texture(volumeTexture[3], pos)[0];\n  #endif\n    return rawSample;\n  #else\n    return texture(volumeTexture[0], pos);\n  #endif\n}\n\nvec4 rawFetchTexture(ivec3 pos) {\n  #ifdef EnabledMultiTexturePerVolume\n    vec4 rawSample;\n    #if vtkNumberOfComponents > 0\n      rawSample[0] = texelFetch(volumeTexture[0], pos, 0)[0];\n    #endif\n    #if vtkNumberOfComponents > 1\n      rawSample[1] = texelFetch(volumeTexture[1], pos, 0)[0];\n    #endif\n    #if vtkNumberOfComponents > 2\n      rawSample[2] = texelFetch(volumeTexture[2], pos, 0)[0];\n    #endif\n    #if vtkNumberOfComponents > 3\n      rawSample[3] = texelFetch(volumeTexture[3], pos, 0)[0];\n    #endif\n    return rawSample;\n  #else\n    return texelFetch(volumeTexture[0], pos, 0);\n  #endif\n}\n\nvec4 getTextureValue(vec3 pos) {\n  vec4 tmp = rawSampleTexture(pos);\n\n  // Force nearest\n  #if defined(vtkComponent0ForceNearest) || \\\n      defined(vtkComponent1ForceNearest) || \\\n      defined(vtkComponent2ForceNearest) || \\\n      defined(vtkComponent3ForceNearest)\n    vec3 nearestPos = (floor(pos * vec3(volume.dimensions)) + 0.5) *\n                      volume.inverseDimensions;\n    vec4 nearestValue = rawSampleTexture(nearestPos);\n    #ifdef vtkComponent0ForceNearest\n      tmp[0] = nearestValue[0];\n    #endif\n    #ifdef vtkComponent1ForceNearest\n      tmp[1] = nearestValue[1];\n    #endif\n    #ifdef vtkComponent2ForceNearest\n      tmp[2] = nearestValue[2];\n    #endif\n    #ifdef vtkComponent3ForceNearest\n      tmp[3] = nearestValue[3];\n    #endif\n  #endif\n\n  // Set alpha when using dependent components\n  #ifndef EnabledIndependentComponents\n    #if vtkNumberOfComponents == 1\n      tmp.a = tmp.r;\n    #endif\n    #if vtkNumberOfComponents == 2\n      tmp.a = tmp.g;\n    #endif\n    #if vtkNumberOfComponents == 3\n      tmp.a = length(tmp.rgb);\n    #endif\n  #endif\n\n  return tmp;\n}\n\n// `height` is usually `volume.transferFunctionsSampleHeight[component]`\n// when using independent component and `0.5` otherwise. Don't move the if\n// statement in these function, as the callers usually already knows if it is\n// using independent component or not\nfloat getOpacityFromTexture(float scalar, int component, float height) {\n  float scaledScalar = scalar * volume.opacityTextureScale[component] +\n                       volume.opacityTextureShift[component];\n  return texture2D(opacityTexture, vec2(scaledScalar, height)).r;\n}\nvec3 getColorFromTexture(float scalar, int component, float height) {\n  float scaledScalar = scalar * volume.colorTextureScale[component] +\n                       volume.colorTextureShift[component];\n  return texture2D(colorTexture, vec2(scaledScalar, height)).rgb;\n}\n\n//=======================================================================\n// transformation between VC and IS space\n\n// convert vector position from idx to vc\nvec3 posIStoVC(vec3 posIS) {\n  return volume.vecISToVCMatrix * posIS + volume.originVC;\n}\n\n// convert vector position from vc to idx\nvec3 posVCtoIS(vec3 posVC) {\n  return volume.vecVCToISMatrix * (posVC - volume.originVC);\n}\n\n// Rotate vector to view coordinate\nvec3 vecISToVC(vec3 dirIS) {\n  return volume.vecISToVCMatrix * dirIS;\n}\n\n// Rotate vector to idx coordinate\nvec3 vecVCToIS(vec3 dirVC) {\n  return volume.vecVCToISMatrix * dirVC;\n}\n\n//=======================================================================\n// Given a normal compute the gradient opacity factors\nfloat computeGradientOpacityFactor(float normalMag, int component) {\n  float goscale = volume.gradientOpacityScale[component];\n  float goshift = volume.gradientOpacityShift[component];\n  float gomin = volume.gradientOpacityMin[component];\n  float gomax = volume.gradientOpacityMax[component];\n  return clamp(normalMag * goscale + goshift, gomin, gomax);\n}\n\n#ifdef vtkClippingPlanesOn\n  bool isPointClipped(vec3 posVC) {\n    for (int i = 0; i < clip_numPlanes; ++i) {\n      if (dot(vec3(vClipPlaneOrigins[i] - posVC), vClipPlaneNormals[i]) > 0.0) {\n        return true;\n      }\n    }\n    return false;\n  }\n#endif\n\n//=======================================================================\n// compute the normal and gradient magnitude for a position, uses forward\n// difference\n\n// The output normal is in VC\nvec4 computeDensityNormal(vec3 opacityUCoords[2], float opacityTextureHeight,\n                          float gradientOpacity, int component) {\n  // Pass the scalars through the opacity functions\n  vec4 opacityG;\n  opacityG.x += getOpacityFromTexture(opacityUCoords[0].x, component,\n                                      opacityTextureHeight);\n  opacityG.y += getOpacityFromTexture(opacityUCoords[0].y, component,\n                                      opacityTextureHeight);\n  opacityG.z += getOpacityFromTexture(opacityUCoords[0].z, component,\n                                      opacityTextureHeight);\n  opacityG.x -= getOpacityFromTexture(opacityUCoords[1].x, component,\n                                      opacityTextureHeight);\n  opacityG.y -= getOpacityFromTexture(opacityUCoords[1].y, component,\n                                      opacityTextureHeight);\n  opacityG.z -= getOpacityFromTexture(opacityUCoords[1].z, component,\n                                      opacityTextureHeight);\n\n  // Divide by spacing and convert to VC\n  opacityG.xyz *= gradientOpacity * volume.inverseSpacing;\n  opacityG.w = length(opacityG.xyz);\n  if (opacityG.w == 0.0) {\n    return vec4(0.0);\n  }\n\n  // Normalize\n  opacityG.xyz = normalize(vecISToVC(opacityG.xyz));\n\n  return opacityG;\n}\n\n// The output normal is in VC\nvec4 computeNormalForDensity(vec3 posIS, out vec3 scalarInterp[2],\n                             const int opacityComponent) {\n  vec3 offsetedPosIS;\n  for (int axis = 0; axis < 3; ++axis) {\n    // Positive direction\n    offsetedPosIS = posIS;\n    offsetedPosIS[axis] += volume.inverseDimensions[axis];\n    scalarInterp[0][axis] =\n        getTextureValue(offsetedPosIS)[opacityComponent];\n    #ifdef vtkClippingPlanesOn\n      if (isPointClipped(posIStoVC(offsetedPosIS))) {\n        scalarInterp[0][axis] = 0.0;\n      }\n    #endif\n\n    // Negative direction\n    offsetedPosIS = posIS;\n    offsetedPosIS[axis] -= volume.inverseDimensions[axis];\n    scalarInterp[1][axis] =\n        getTextureValue(offsetedPosIS)[opacityComponent];\n    #ifdef vtkClippingPlanesOn\n      if (isPointClipped(posIStoVC(offsetedPosIS))) {\n        scalarInterp[1][axis] = 0.0;\n      }\n    #endif\n  }\n\n  vec4 result;\n  result.xyz = (scalarInterp[0] - scalarInterp[1]) * volume.inverseSpacing;\n  result.w = length(result.xyz);\n  if (result.w == 0.0) {\n    return vec4(0.0);\n  }\n  result.xyz = normalize(vecISToVC(result.xyz));\n  return result;\n}\n\nvec4 fragCoordToPCPos(vec4 fragCoord) {\n  return vec4((fragCoord.x / vpWidth - vpOffsetX - 0.5) * 2.0,\n              (fragCoord.y / vpHeight - vpOffsetY - 0.5) * 2.0,\n              (fragCoord.z - 0.5) * 2.0, 1.0);\n}\n\nvec4 pcPosToWorldCoord(vec4 pcPos) {\n  return volume.PCWCMatrix * pcPos;\n}\n\nvec3 fragCoordToIndexSpace(vec4 fragCoord) {\n  vec4 pcPos = fragCoordToPCPos(fragCoord);\n  vec4 worldCoord = pcPosToWorldCoord(pcPos);\n  vec4 vertex = (worldCoord / worldCoord.w);\n\n  vec3 index = (volume.worldToIndex * vertex).xyz;\n\n  // half voxel fix for labelmapOutline\n  return (index + vec3(0.5)) * volume.inverseDimensions;\n}\n\nvec3 fragCoordToWorld(vec4 fragCoord) {\n  vec4 pcPos = fragCoordToPCPos(fragCoord);\n  vec4 worldCoord = pcPosToWorldCoord(pcPos);\n  return worldCoord.xyz;\n}\n\n//=======================================================================\n// Compute the normals and gradient magnitudes for a position for independent\n// components The output normals are in VC\nmat4 computeMat4Normal(vec3 posIS, vec4 tValue) {\n  vec3 xvec = vec3(volume.inverseDimensions.x, 0.0, 0.0);\n  vec3 yvec = vec3(0.0, volume.inverseDimensions.y, 0.0);\n  vec3 zvec = vec3(0.0, 0.0, volume.inverseDimensions.z);\n\n  vec4 distX = getTextureValue(posIS + xvec) - getTextureValue(posIS - xvec);\n  vec4 distY = getTextureValue(posIS + yvec) - getTextureValue(posIS - yvec);\n  vec4 distZ = getTextureValue(posIS + zvec) - getTextureValue(posIS - zvec);\n\n  // divide by spacing\n  distX *= 0.5 * volume.inverseSpacing.x;\n  distY *= 0.5 * volume.inverseSpacing.y;\n  distZ *= 0.5 * volume.inverseSpacing.z;\n\n  mat4 result;\n\n  // optionally compute the 1st component\n  #if vtkNumberOfComponents > 0 && !defined(vtkComponent0Proportional)\n    {\n      const int component = 0;\n      vec3 normal = vec3(distX[component], distY[component], distZ[component]);\n      float normalLength = length(normal);\n      if (normalLength > 0.0) {\n        normal = normalize(vecISToVC(normal));\n      }\n      result[component] = vec4(normal, normalLength);\n    }\n  #endif\n\n  // optionally compute the 2nd component\n  #if vtkNumberOfComponents > 1 && !defined(vtkComponent1Proportional)\n    {\n      const int component = 1;\n      vec3 normal = vec3(distX[component], distY[component], distZ[component]);\n      float normalLength = length(normal);\n      if (normalLength > 0.0) {\n        normal = normalize(vecISToVC(normal));\n      }\n      result[component] = vec4(normal, normalLength);\n    }\n  #endif\n\n  // optionally compute the 3rd component\n  #if vtkNumberOfComponents > 2 && !defined(vtkComponent2Proportional)\n    {\n      const int component = 2;\n      vec3 normal = vec3(distX[component], distY[component], distZ[component]);\n      float normalLength = length(normal);\n      if (normalLength > 0.0) {\n        normal = normalize(vecISToVC(normal));\n      }\n      result[component] = vec4(normal, normalLength);\n    }\n  #endif\n\n  // optionally compute the 4th component\n  #if vtkNumberOfComponents > 3 && !defined(vtkComponent3Proportional)\n    {\n      const int component = 3;\n      vec3 normal = vec3(distX[component], distY[component], distZ[component]);\n      float normalLength = length(normal);\n      if (normalLength > 0.0) {\n        normal = normalize(vecISToVC(normal));\n      }\n      result[component] = vec4(normal, normalLength);\n    }\n  #endif\n\n  return result;\n}\n\n//=======================================================================\n// global shadow - secondary ray\n\n// henyey greenstein phase function\nfloat phaseFunction(float cos_angle) {\n  // divide by 2.0 instead of 4pi to increase intensity\n  float anisotropy = volume.anisotropy;\n  if (abs(anisotropy) <= EPSILON) {\n    // isotropic scatter returns 0.5 instead of 1/4pi to increase intensity\n    return 0.5;\n  }\n  float anisotropy2 = volume.anisotropySquared;\n  return ((1.0 - anisotropy2) /\n          pow(1.0 + anisotropy2 - 2.0 * anisotropy * cos_angle, 1.5)) /\n         2.0;\n}\n\n// Compute the two intersection distances of the ray with the volume in VC\n// The entry point is `rayOriginVC + distanceMin * rayDirVC` and the exit point\n// is `rayOriginVC + distanceMax * rayDirVC` If distanceMin < distanceMax, the\n// volume is not intersected The ray origin is inside the box when distanceMin <\n// 0.0 < distanceMax\nvec2 rayIntersectVolumeDistances(vec3 rayOriginVC, vec3 rayDirVC) {\n  // Compute origin and direction in IS\n  vec3 rayOriginIS = posVCtoIS(rayOriginVC);\n  vec3 rayDirIS = vecVCToIS(rayDirVC);\n  // Don't check for infinity as the min/max combination afterward will always\n  // find an intersection before infinity\n  vec3 invDir = 1.0 / rayDirIS;\n\n  // We have: bound = origin + t * dir\n  // So: t = (1/dir) * (bound - origin)\n  vec3 distancesTo0 = invDir * (vec3(0.0) - rayOriginIS);\n  vec3 distancesTo1 = invDir * (vec3(1.0) - rayOriginIS);\n  // Min and max distances to plane intersection per plane\n  vec3 dMinPerAxis = min(distancesTo0, distancesTo1);\n  vec3 dMaxPerAxis = max(distancesTo0, distancesTo1);\n  // Overall first and last intersection\n  float distanceMin = max(dMinPerAxis.x, max(dMinPerAxis.y, dMinPerAxis.z));\n  float distanceMax = min(dMaxPerAxis.x, min(dMaxPerAxis.y, dMaxPerAxis.z));\n  return vec2(distanceMin, distanceMax);\n}\n\n//=======================================================================\n// local ambient occlusion\n#if vtkMaxLaoKernelSize > 0\n\n  // Return a random point on the unit sphere\n  vec3 sampleDirectionUniform(int rayIndex) {\n    // Each ray of each fragment should be different, two sources of randomness\n    // are used. Only depends on ray index\n    vec2 rayRandomness = kernelSample[rayIndex];\n    // Only depends on fragment\n    float fragmentRandomness = fragmentSeed;\n    // Merge both source of randomness in a single uniform random variable using\n    // the formula (x+y < 1 ? x+y : x+y-1). The simpler formula (x+y)/2 doesn't\n    // result in a uniform distribution\n    vec2 mergedRandom = rayRandomness + vec2(fragmentRandomness);\n    mergedRandom -= vec2(greaterThanEqual(mergedRandom, vec2(1.0)));\n\n    // Insipred by:\n    // https://karthikkaranth.me/blog/generating-random-points-in-a-sphere/#better-choice-of-spherical-coordinates\n    float u = mergedRandom[0];\n    float v = mergedRandom[1];\n    float theta = u * 2.0 * PI;\n    float phi = acos(2.0 * v - 1.0);\n    float sinTheta = sin(theta);\n    float cosTheta = cos(theta);\n    float sinPhi = sin(phi);\n    float cosPhi = cos(phi);\n    return vec3(sinPhi * cosTheta, sinPhi * sinTheta, cosPhi);\n  }\n\n  float computeLAO(vec3 posVC, vec4 normalVC, float originalOpacity) {\n    // apply LAO only at selected locations, otherwise return full brightness\n    if (normalVC.w <= 0.0 || originalOpacity <= 0.05) {\n      return 1.0;\n    }\n\n    #ifdef EnabledGradientOpacity\n      float gradientOpacityFactor = computeGradientOpacityFactor(normalVC.w, 0);\n    #endif\n\n    float visibilitySum = 0.0;\n    float weightSum = 0.0;\n    for (int i = 0; i < volume.kernelSize; i++) {\n      // Only sample on an hemisphere around the normalVC.xyz axis, so\n      // normalDotRay should be negative\n      vec3 rayDirectionVC = sampleDirectionUniform(i);\n      float normalDotRay = dot(normalVC.xyz, rayDirectionVC);\n      if (normalDotRay > 0.0) {\n        // Flip rayDirectionVC when it is in the wrong hemisphere\n        rayDirectionVC = -rayDirectionVC;\n        normalDotRay = -normalDotRay;\n      }\n\n      vec3 currPosIS = posVCtoIS(posVC);\n      float visibility = 1.0;\n      vec3 randomDirStepIS = vecVCToIS(rayDirectionVC * sampleDistance);\n      for (int j = 0; j < volume.kernelRadius; j++) {\n        currPosIS += randomDirStepIS;\n        // If out of the volume, we are done\n        if (any(lessThan(currPosIS, vec3(0.0))) ||\n            any(greaterThan(currPosIS, vec3(1.0)))) {\n          break;\n        }\n        float opacity = getOpacityFromTexture(getTextureValue(currPosIS).r, 0, 0.5);\n        #ifdef EnabledGradientOpacity\n          opacity *= gradientOpacityFactor;\n        #endif\n        visibility *= 1.0 - opacity;\n        // If visibility is less than EPSILON, consider it to be 0\n        if (visibility < EPSILON) {\n          visibility = 0.0;\n          break;\n        }\n      }\n      float rayWeight = -normalDotRay;\n      visibilitySum += visibility * rayWeight;\n      weightSum += rayWeight;\n    }\n\n    // If no sample, LAO factor is one\n    if (weightSum == 0.0) {\n      return 1.0;\n    }\n\n    // LAO factor is the average visibility:\n    // - visibility low => ambient low\n    // - visibility high => ambient high\n    float lao = visibilitySum / weightSum;\n\n    // Reduce variance by clamping\n    return clamp(lao, 0.3, 1.0);\n  }\n#endif\n\n//=======================================================================\n// Volume shadows\n#if vtkNumberOfLights > 0\n\n  // Non-memoised version\n  float computeVolumeShadowWithoutCache(vec3 posVC, vec3 lightDirNormVC) {\n    // modify sample distance with a random number between 1.5 and 3.0\n    float rayStepLength =\n        volumeShadowSampleDistance * mix(1.5, 3.0, fragmentSeed);\n\n    // in case the first sample near surface has a very tiled light ray, we need\n    // to offset start position\n    vec3 initialPosVC = posVC + rayStepLength * lightDirNormVC;\n\n    #ifdef vtkClippingPlanesOn\n      float clippingPlanesMaxDistance = infinity;\n      for (int i = 0; i < clip_numPlanes; ++i) {\n        // Find distance of intersection with the plane\n        // Points are clipped when:\n        // dot(planeOrigin - (rayOrigin + distance * rayDirection), planeNormal) > 0\n        // This is equivalent to:\n        // dot(planeOrigin - rayOrigin, planeNormal) - distance * dot(rayDirection,\n        // planeNormal) > 0.0\n        // We precompute the dot products, so we clip ray points when:\n        // dotOrigin - distance * dotDirection > 0.0\n        float dotOrigin =\n            dot(vClipPlaneOrigins[i] - initialPosVC, vClipPlaneNormals[i]);\n        if (dotOrigin > 0.0) {\n          // The initialPosVC is clipped by this plane\n          return 1.0;\n        }\n        float dotDirection = dot(lightDirNormVC, vClipPlaneNormals[i]);\n        if (dotDirection < 0.0) {\n          // We only hit the plane if dotDirection is negative, as (distance is\n          // positive)\n          float intersectionDistance =\n              dotOrigin / dotDirection; // negative divided by negative => positive\n          clippingPlanesMaxDistance =\n              min(clippingPlanesMaxDistance, intersectionDistance);\n        }\n      }\n    #endif\n\n    vec2 intersectionDistances =\n        rayIntersectVolumeDistances(initialPosVC, lightDirNormVC);\n\n    if (intersectionDistances[1] <= intersectionDistances[0] ||\n        intersectionDistances[1] <= 0.0) {\n      // Volume not hit or behind the ray\n      return 1.0;\n    }\n\n    // When globalIlluminationReach is 0, no sample at all\n    // When globalIlluminationReach is 1, the ray will go through the whole\n    // volume\n    float maxTravelDistance = mix(0.0, volume.diagonalLength,\n                                  volume.globalIlluminationReach);\n    float startDistance = max(intersectionDistances[0], 0.0);\n    float endDistance = min(intersectionDistances[1], startDistance + maxTravelDistance);\n    #ifdef vtkClippingPlanesOn\n      endDistance = min(endDistance, clippingPlanesMaxDistance);\n    #endif\n    if (endDistance - startDistance < 0.0) {\n      return 1.0;\n    }\n\n    // These two variables are used to compute posIS, without having to call\n    // VCtoIS at each step\n    vec3 initialPosIS = posVCtoIS(initialPosVC);\n    // The light dir is scaled and rotated, but not translated, as it is a\n    // vector (w = 0)\n    vec3 scaledLightDirIS = vecVCToIS(lightDirNormVC);\n\n    float shadow = 1.0;\n    for (float currentDistance = startDistance; currentDistance <= endDistance;\n          currentDistance += rayStepLength) {\n      vec3 posIS = initialPosIS + currentDistance * scaledLightDirIS;\n      vec4 scalar = getTextureValue(posIS);\n      float opacity = getOpacityFromTexture(scalar.r, 0, 0.5);\n      #if defined(EnabledGradientOpacity) && !defined(EnabledIndependentComponents)\n        vec3 scalarInterp[2];\n        vec4 normal = computeNormalForDensity(posIS, scalarInterp, 3);\n        float opacityFactor = computeGradientOpacityFactor(normal.w, 0);\n        opacity *= opacityFactor;\n      #endif\n      shadow *= 1.0 - opacity;\n\n      // Early termination if shadow coeff is near 0.0\n      if (shadow < EPSILON) {\n        return 0.0;\n      }\n    }\n    return shadow;\n  }\n\n  // Some cache for volume shadows\n  struct {\n    vec3 posVC;\n    float shadow;\n  } cachedShadows[vtkNumberOfLights];\n\n  // Memoised version\n  float computeVolumeShadow(vec3 posVC, vec3 lightDirNormVC, int lightIdx) {\n    if (posVC == cachedShadows[lightIdx].posVC) {\n      return cachedShadows[lightIdx].shadow;\n    }\n    float shadow = computeVolumeShadowWithoutCache(posVC, lightDirNormVC);\n    cachedShadows[lightIdx].posVC = posVC;\n    cachedShadows[lightIdx].shadow = shadow;\n    return shadow;\n  }\n\n#endif\n\n//=======================================================================\n// surface light contribution\n#if vtkNumberOfLights > 0\n  vec3 applyLighting(vec3 tColor, vec4 normalVC) {\n    vec3 diffuse = vec3(0.0, 0.0, 0.0);\n    vec3 specular = vec3(0.0, 0.0, 0.0);\n    for (int lightIdx = 0; lightIdx < vtkNumberOfLights; lightIdx++) {\n      float df = dot(normalVC.xyz, lights[lightIdx].directionVC);\n      if (df > 0.0) {\n        diffuse += df * lights[lightIdx].color;\n        float sf = dot(normalVC.xyz, -lights[lightIdx].halfAngleVC);\n        if (sf > 0.0) {\n          specular += pow(sf, volume.specularPower) * lights[lightIdx].color;\n        }\n      }\n    }\n    return tColor * (diffuse * volume.diffuse + volume.ambient) +\n          specular * volume.specular;\n  }\n\n  vec3 applySurfaceShadowLighting(vec3 tColor, float alpha, vec3 posVC,\n                                  vec4 normalVC) {\n    // everything in VC\n    vec3 diffuse = vec3(0.0);\n    vec3 specular = vec3(0.0);\n    for (int ligthIdx = 0; ligthIdx < vtkNumberOfLights; ligthIdx++) {\n      vec3 vertLightDirection;\n      float attenuation;\n      if (lights[ligthIdx].isPositional == 1) {\n        vertLightDirection = posVC - lights[ligthIdx].positionVC;\n        float lightDistance = length(vertLightDirection);\n        // Normalize with precomputed length\n        vertLightDirection = vertLightDirection / lightDistance;\n        // Base attenuation\n        vec3 attenuationPolynom = lights[ligthIdx].attenuation;\n        attenuation =\n            1.0 / (attenuationPolynom[0] +\n                  lightDistance * (attenuationPolynom[1] +\n                                    lightDistance * attenuationPolynom[2]));\n        // Cone attenuation\n        float coneDot = dot(vertLightDirection, lights[ligthIdx].directionVC);\n        // Per OpenGL standard cone angle is 90 or less for a spot light\n        if (lights[ligthIdx].coneAngle <= 90.0) {\n          if (coneDot >= cos(radians(lights[ligthIdx].coneAngle))) {\n            // Inside the cone\n            attenuation *= pow(coneDot, lights[ligthIdx].exponent);\n          } else {\n            // Outside the cone\n            attenuation = 0.0;\n          }\n        }\n      } else {\n        vertLightDirection = lights[ligthIdx].directionVC;\n        attenuation = 1.0;\n      }\n\n      float ndotL = dot(normalVC.xyz, vertLightDirection);\n      if (ndotL < 0.0 && twoSidedLighting == 1) {\n        ndotL = -ndotL;\n      }\n      if (ndotL > 0.0) {\n        // Diffuse\n        diffuse += ndotL * attenuation * lights[ligthIdx].color;\n        // Specular\n        float vdotR =\n            dot(-rayDirVC, normalize(vertLightDirection - 2.0 * ndotL * normalVC.xyz));\n        if (vdotR > 0.0) {\n          specular += pow(vdotR, volume.specularPower) * attenuation *\n                      lights[ligthIdx].color;\n        }\n      }\n    }\n    #if vtkMaxLaoKernelSize > 0\n      float laoFactor = computeLAO(posVC, normalVC, alpha);\n    #else\n      const float laoFactor = 1.0;\n    #endif\n    return tColor * (diffuse * volume.diffuse +\n                    volume.ambient * laoFactor) +\n          specular * volume.specular;\n  }\n\n  vec3 applyVolumeShadowLighting(vec3 tColor, vec3 posVC) {\n    // Here we have no effect of cones and no attenuation\n    vec3 diffuse = vec3(0.0);\n    for (int lightIdx = 0; lightIdx < vtkNumberOfLights; lightIdx++) {\n      vec3 lightDirVC = lights[lightIdx].isPositional == 1\n                            ? normalize(lights[lightIdx].positionVC - posVC)\n                            : -lights[lightIdx].directionVC;\n      float shadowCoeff = computeVolumeShadow(posVC, lightDirVC, lightIdx);\n      float phaseAttenuation = phaseFunction(dot(rayDirVC, lightDirVC));\n      diffuse += phaseAttenuation * shadowCoeff * lights[lightIdx].color;\n    }\n    return tColor * (diffuse * volume.diffuse + volume.ambient);\n  }\n#endif\n\n// LAO of surface shadows and volume shadows only work with dependent components\nvec3 applyAllLightning(vec3 tColor, float alpha, vec3 posVC,\n                       vec4 surfaceNormalVC) {\n  #if vtkNumberOfLights > 0\n    // 0 <= volCoeff < EPSILON => only surface shadows\n    // EPSILON <= volCoeff < 1 - EPSILON => mix of surface and volume shadows\n    // 1 - EPSILON <= volCoeff => only volume shadows\n    float volCoeff = volume.volumetricScatteringBlending *\n                    (1.0 - alpha / 2.0) *\n                    (1.0 - atan(surfaceNormalVC.w) * INV4PI);\n\n    // Compute surface lighting if needed\n    vec3 surfaceShadedColor = tColor;\n    #ifdef EnableSurfaceLighting\n      if (volCoeff < 1.0 - EPSILON) {\n        surfaceShadedColor =\n            applySurfaceShadowLighting(tColor, alpha, posVC, surfaceNormalVC);\n      }\n    #endif\n\n    // Compute volume lighting if needed\n    vec3 volumeShadedColor = tColor;\n    #ifdef EnableVolumeLighting\n      if (volCoeff >= EPSILON) {\n        volumeShadedColor = applyVolumeShadowLighting(tColor, posVC);\n      }\n    #endif\n\n    // Return the right mix\n    if (volCoeff < EPSILON) {\n      // Surface shadows\n      return surfaceShadedColor;\n    }\n    if (volCoeff >= 1.0 - EPSILON) {\n      // Volume shadows\n      return volumeShadedColor;\n    }\n    // Mix of surface and volume shadows\n    return mix(surfaceShadedColor, volumeShadedColor, volCoeff);\n  #endif\n  return tColor;\n}\n\nvec4 getColorForLabelOutline() {\n  vec3 centerPosIS =\n      fragCoordToIndexSpace(gl_FragCoord); // pos in texture space\n  vec4 centerValue = getTextureValue(centerPosIS);\n  bool pixelOnBorder = false;\n  vec4 tColor = vec4(getColorFromTexture(centerValue.r, 0, 0.5),\n                     getOpacityFromTexture(centerValue.r, 0, 0.5));\n\n  int segmentIndex = int(centerValue.r * 255.0);\n\n  // Use texture sampling for outlineThickness\n  float textureCoordinate = float(segmentIndex - 1) / 1024.0;\n  float textureValue =\n      texture2D(labelOutlineThicknessTexture, vec2(textureCoordinate, 0.5)).r;\n  int actualThickness = int(textureValue * 255.0);\n\n  // If it is the background (segment index 0), we should quickly bail out.\n  // Previously, this was determined by tColor.a, which was incorrect as it\n  // prevented the outline from appearing when the fill is 0.\n  if (segmentIndex == 0) {\n    return vec4(0, 0, 0, 0);\n  }\n\n  // Only perform outline check on fragments rendering voxels that aren't\n  // invisible. Saves a bunch of needless checks on the background.\n  // TODO define epsilon when building shader?\n  for (int i = -actualThickness; i <= actualThickness; i++) {\n    for (int j = -actualThickness; j <= actualThickness; j++) {\n      if (i == 0 && j == 0) {\n        continue;\n      }\n\n      vec4 neighborPixelCoord =\n          vec4(gl_FragCoord.x + float(i), gl_FragCoord.y + float(j),\n               gl_FragCoord.z, gl_FragCoord.w);\n\n      vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n      vec4 value = getTextureValue(neighborPosIS);\n\n      // If any of my neighbours are not the same value as I\n      // am, this means I am on the border of the segment.\n      // We can break the loops\n      if (any(notEqual(value, centerValue))) {\n        pixelOnBorder = true;\n        break;\n      }\n    }\n\n    if (pixelOnBorder == true) {\n      break;\n    }\n  }\n\n  // If I am on the border, I am displayed at full opacity\n  if (pixelOnBorder == true) {\n    tColor.a = volume.outlineOpacity;\n  }\n\n  return tColor;\n}\n\nvec4 getColorForAdditivePreset(vec4 tValue, vec3 posVC, vec3 posIS) {\n  // compute normals\n  mat4 normalMat = computeMat4Normal(posIS, tValue);\n  vec4 normalLights[2];\n  normalLights[0] = normalMat[0];\n  normalLights[1] = normalMat[1];\n  #if vtkNumberOfLights > 0\n    if (volume.computeNormalFromOpacity == 1) {\n      for (int component = 0; component < 2; ++component) {\n        vec3 scalarInterp[2];\n        float height = volume.transferFunctionsSampleHeight[component];\n        computeNormalForDensity(posIS, scalarInterp, component);\n        normalLights[component] =\n            computeDensityNormal(scalarInterp, height, 1.0, component);\n      }\n    }\n  #endif\n\n  // compute opacities\n  float opacities[2];\n  opacities[0] = getOpacityFromTexture(\n      tValue[0], 0, volume.transferFunctionsSampleHeight[0]);\n  opacities[1] = getOpacityFromTexture(\n      tValue[1], 1, volume.transferFunctionsSampleHeight[1]);\n  #ifdef EnabledGradientOpacity\n    for (int component = 0; component < 2; ++component) {\n      opacities[component] *=\n          computeGradientOpacityFactor(normalMat[component].a, component);\n    }\n  #endif\n  float opacitySum = opacities[0] + opacities[1];\n  if (opacitySum <= 0.0) {\n    return vec4(0.0);\n  }\n\n  // mix the colors and opacities\n  vec3 colors[2];\n  for (int component = 0; component < 2; ++component) {\n    float sampleHeight = volume.transferFunctionsSampleHeight[component];\n    vec3 color = getColorFromTexture(tValue[component], component, sampleHeight);\n    color = applyAllLightning(color, opacities[component], posVC,\n                              normalLights[component]);\n    colors[component] = color;\n  }\n  vec3 mixedColor =\n      (opacities[0] * colors[0] + opacities[1] * colors[1]) / opacitySum;\n  return vec4(mixedColor, min(1.0, opacitySum));\n}\n\nvec4 getColorForColorizePreset(vec4 tValue, vec3 posVC, vec3 posIS) {\n  // compute normals\n  mat4 normalMat = computeMat4Normal(posIS, tValue);\n  vec4 normalLight = normalMat[0];\n  #if vtkNumberOfLights > 0\n    if (volume.computeNormalFromOpacity == 1) {\n      vec3 scalarInterp[2];\n      float height = volume.transferFunctionsSampleHeight[0];\n      computeNormalForDensity(posIS, scalarInterp, 0);\n      normalLight = computeDensityNormal(scalarInterp, height, 1.0, 0);\n    }\n  #endif\n\n  // compute opacities\n  float opacity = getOpacityFromTexture(\n      tValue[0], 0, volume.transferFunctionsSampleHeight[0]);\n  #ifdef EnabledGradientOpacity\n    opacity *= computeGradientOpacityFactor(normalMat[0].a, 0);\n  #endif\n\n  // colorizing component\n  vec3 colorizingColor = getColorFromTexture(\n      tValue[0], 1, volume.transferFunctionsSampleHeight[1]);\n  float colorizingOpacity = getOpacityFromTexture(\n      tValue[1], 1, volume.transferFunctionsSampleHeight[1]);\n\n  // mix the colors and opacities\n  vec3 color =\n      getColorFromTexture(tValue[0], 0,\n                          volume.transferFunctionsSampleHeight[0]) *\n      mix(vec3(1.0), colorizingColor, colorizingOpacity);\n  color = applyAllLightning(color, opacity, posVC, normalLight);\n  return vec4(color, opacity);\n}\n\nvec4 getColorForDefaultIndependentPreset(vec4 tValue, vec3 posIS) {\n\n  // compute the normal vectors as needed\n  #if defined(EnabledGradientOpacity) || vtkNumberOfLights > 0\n    mat4 normalMat = computeMat4Normal(posIS, tValue);\n  #endif\n\n  // process color and opacity for each component\n  // initial value of alpha is determined by wether the first component is\n  // proportional or not\n  #if defined(vtkComponent0Proportional)\n    // when it is proportional, it starts at 1 (neutral for multiplications)\n    float alpha = 1.0;\n  #else\n    // when it is not proportional, it starts at 0 (neutral for additions)\n    float alpha = 0.0;\n  #endif\n\n  vec3 mixedColor = vec3(0.0);\n  #if vtkNumberOfComponents > 0\n    {\n      const int component = 0;\n      vec3 color = getColorFromTexture(\n          tValue[component], component,\n          volume.transferFunctionsSampleHeight[component]);\n      float opacity = getOpacityFromTexture(\n          tValue[component], component,\n          volume.transferFunctionsSampleHeight[component]);\n      #if !defined(vtkComponent0Proportional)\n        float alphaContribution = volume.independentComponentMix[component] * opacity;\n        #ifdef EnabledGradientOpacity\n          alphaContribution *= computeGradientOpacityFactor(normalMat[component].a, component);\n        #endif\n        alpha += alphaContribution;\n        #if vtkNumberOfLights > 0\n          color = applyLighting(color, normalMat[component]);\n        #endif\n      #else\n        color *= opacity;\n        alpha *= mix(opacity, 1.0,\n                    (1.0 - volume.independentComponentMix[component]));\n      #endif\n      mixedColor += volume.independentComponentMix[component] * color;\n    }\n  #endif\n  #if vtkNumberOfComponents > 1\n    {\n      const int component = 1;\n      vec3 color = getColorFromTexture(\n          tValue[component], component,\n          volume.transferFunctionsSampleHeight[component]);\n      float opacity = getOpacityFromTexture(\n          tValue[component], component,\n          volume.transferFunctionsSampleHeight[component]);\n      #if !defined(vtkComponent1Proportional)\n        float alphaContribution = volume.independentComponentMix[component] * opacity;\n        #ifdef EnabledGradientOpacity\n          alphaContribution *= computeGradientOpacityFactor(normalMat[component].a, component);\n        #endif\n        alpha += alphaContribution;\n        #if vtkNumberOfLights > 0\n          color = applyLighting(color, normalMat[component]);\n        #endif\n      #else\n        color *= opacity;\n        alpha *= mix(opacity, 1.0,\n                    (1.0 - volume.independentComponentMix[component]));\n      #endif\n      mixedColor += volume.independentComponentMix[component] * color;\n    }\n  #endif\n  #if vtkNumberOfComponents > 2\n    {\n      const int component = 2;\n      vec3 color = getColorFromTexture(\n          tValue[component], component,\n          volume.transferFunctionsSampleHeight[component]);\n      float opacity = getOpacityFromTexture(\n          tValue[component], component,\n          volume.transferFunctionsSampleHeight[component]);\n      #if !defined(vtkComponent2Proportional)\n        float alphaContribution = volume.independentComponentMix[component] * opacity;\n        #ifdef EnabledGradientOpacity\n          alphaContribution *= computeGradientOpacityFactor(normalMat[component].a, component);\n        #endif\n        alpha += alphaContribution;\n        #if vtkNumberOfLights > 0\n          color = applyLighting(color, normalMat[component]);\n        #endif\n      #else\n        color *= opacity;\n        alpha *= mix(opacity, 1.0,\n                    (1.0 - volume.independentComponentMix[component]));\n      #endif\n      mixedColor += volume.independentComponentMix[component] * color;\n    }\n  #endif\n  #if vtkNumberOfComponents > 3\n    {\n      const int component = 3;\n      vec3 color = getColorFromTexture(\n          tValue[component], component,\n          volume.transferFunctionsSampleHeight[component]);\n      float opacity = getOpacityFromTexture(\n          tValue[component], component,\n          volume.transferFunctionsSampleHeight[component]);\n      #if !defined(vtkComponent3Proportional)\n        float alphaContribution = volume.independentComponentMix[component] * opacity;\n        #ifdef EnabledGradientOpacity\n          alphaContribution *= computeGradientOpacityFactor(normalMat[component].a, component);\n        #endif\n        alpha += alphaContribution;\n        #if vtkNumberOfLights > 0\n          color = applyLighting(color, normalMat[component]);\n        #endif\n      #else\n        color *= opacity;\n        alpha *= mix(opacity, 1.0,\n                    (1.0 - volume.independentComponentMix[component]));\n      #endif\n      mixedColor += volume.independentComponentMix[component] * color;\n    }\n  #endif\n\n  return vec4(mixedColor, alpha);\n}\n\nvec4 getColorForDependentComponents(vec4 tValue, vec3 posVC, vec3 posIS) {\n  #if defined(EnabledGradientOpacity) || vtkNumberOfLights > 0\n    // use component 3 of the opacity texture as getTextureValue() sets alpha to\n    // the opacity value\n    vec3 scalarInterp[2];\n    vec4 normal0 = computeNormalForDensity(posIS, scalarInterp, 3);\n    float gradientOpacity = computeGradientOpacityFactor(normal0.a, 0);\n  #endif\n\n  // get color and opacity\n  #if vtkNumberOfComponents == 1\n    vec3 tColor = getColorFromTexture(tValue.r, 0, 0.5);\n    float alpha = getOpacityFromTexture(tValue.r, 0, 0.5);\n  #endif\n  #if vtkNumberOfComponents == 2\n    vec3 tColor = vec3(tValue.r * volume.colorTextureScale[0] +\n                  volume.colorTextureShift[0]);\n    float alpha = getOpacityFromTexture(tValue.a, 1, 0.5);\n  #endif\n  #if vtkNumberOfComponents == 3\n      vec3 tColor = tValue.rgb * volume.colorTextureScale.rgb +\n              volume.colorTextureShift.rgb;\n      float alpha = getOpacityFromTexture(tValue.a, 0, 0.5);\n  #endif\n  #if vtkNumberOfComponents == 4\n      vec3 tColor = tValue.rgb * volume.colorTextureScale.rgb +\n              volume.colorTextureShift.rgb;\n      float alpha = getOpacityFromTexture(tValue.a, 3, 0.5);\n  #endif\n\n  // Apply gradient opacity\n  #if defined(EnabledGradientOpacity)\n    alpha *= gradientOpacity;\n  #endif\n\n  #if vtkNumberOfComponents == 1\n    if (alpha < EPSILON) {\n      return vec4(0.0);\n    }\n  #endif\n\n  // lighting\n  #if vtkNumberOfLights > 0\n    vec4 normalLight;\n    if (volume.computeNormalFromOpacity == 1) {\n      if (normal0[3] != 0.0) {\n        normalLight =\n            computeDensityNormal(scalarInterp, 0.5, gradientOpacity, 0);\n        if (normalLight[3] == 0.0) {\n          normalLight = normal0;\n        }\n      }\n    } else {\n      normalLight = normal0;\n    }\n    tColor = applyAllLightning(tColor, alpha, posVC, normalLight);\n  #endif\n\n  return vec4(tColor, alpha);\n}\n\nvec4 getColorForValue(vec4 tValue, vec3 posVC, vec3 posIS) {\n  #ifdef EnableColorForValueFunctionId0\n    return getColorForDependentComponents(tValue, posVC, posIS);\n  #endif\n\n  #ifdef EnableColorForValueFunctionId1\n    return getColorForAdditivePreset(tValue, posVC, posIS);\n  #endif\n\n  #ifdef EnableColorForValueFunctionId2\n    return getColorForColorizePreset(tValue, posVC, posIS);\n  #endif\n\n  #ifdef EnableColorForValueFunctionId3\n    /*\n      * Mix the color information from all the independent components to get a\n      * single rgba output. See other shader functions like\n      * `getColorForAdditivePreset` to learn how to create a custom color mix.\n      * The custom color mix should return a value, but if it doesn't, it will\n      * fallback on the default shading\n      */\n    //VTK::CustomColorMix\n  #endif\n\n  #if defined(EnableColorForValueFunctionId4) || defined(EnableColorForValueFunctionId3)\n    return getColorForDefaultIndependentPreset(tValue, posIS);\n  #endif\n\n  #ifdef EnableColorForValueFunctionId5\n    return getColorForLabelOutline();\n  #endif\n}\n\nbool valueWithinScalarRange(vec4 val) {\n  #if vtkNumberOfComponents > 1 && !defined(EnabledIndependentComponents)\n    return false;\n  #endif\n  vec4 rangeMin = volume.ipScalarRangeMin;\n  vec4 rangeMax = volume.ipScalarRangeMax;\n  for (int component = 0; component < vtkNumberOfComponents; ++component) {\n    if (val[component] < rangeMin[component] ||\n        rangeMax[component] < val[component]) {\n      return false;\n    }\n  }\n  return true;\n}\n\n#if vtkBlendMode == LABELMAP_EDGE_PROJECTION_BLEND\n  bool checkOnEdgeForNeighbor(int xFragmentOffset, int yFragmentOffset,\n                              int segmentIndex, vec3 stepIS) {\n    vec3 volumeDimensions = vec3(volume.dimensions);\n    vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(xFragmentOffset),\n                                  gl_FragCoord.y + float(yFragmentOffset),\n                                  gl_FragCoord.z, gl_FragCoord.w);\n    vec3 originalNeighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n\n    vec3 neighborPosIS = originalNeighborPosIS;\n    for (int k = 0; k < vtkMaximumNumberOfSamples / 2; ++k) {\n      ivec3 texCoord = ivec3(neighborPosIS * volumeDimensions);\n      vec4 texValue = rawFetchTexture(texCoord);\n      if (int(texValue.g) == segmentIndex) {\n        // not on edge\n        return false;\n      }\n      neighborPosIS += stepIS;\n    }\n\n    neighborPosIS = originalNeighborPosIS;\n    for (int k = 0; k < vtkMaximumNumberOfSamples / 2; ++k) {\n      ivec3 texCoord = ivec3(neighborPosIS * volumeDimensions);\n      vec4 texValue = rawFetchTexture(texCoord);\n      if (int(texValue.g) == segmentIndex) {\n        // not on edge\n        return false;\n      }\n      neighborPosIS -= stepIS;\n    }\n\n    // onedge\n    float sampleHeight = volume.transferFunctionsSampleHeight[1];\n    vec3 tColorSegment =\n        getColorFromTexture(float(segmentIndex), 1, sampleHeight);\n    float pwfValueSegment =\n        getOpacityFromTexture(float(segmentIndex), 1, sampleHeight);\n    gl_FragData[0] = vec4(tColorSegment, pwfValueSegment);\n    return true;\n  }\n#endif\n\nvec4 getColorAtPos(vec3 posVC) {\n  vec3 posIS = posVCtoIS(posVC);\n  vec4 texValue = getTextureValue(posIS);\n  return getColorForValue(texValue, posVC, posIS);\n}\n\n//=======================================================================\n// Apply the specified blend mode operation along the ray's path.\n//\nvoid applyBlend(vec3 rayOriginVC, vec3 rayDirVC, float minDistance,\n                float maxDistance) {\n  // start slightly inside and apply some jitter\n  vec3 stepVC = rayDirVC * sampleDistance;\n  float raySteps = (maxDistance - minDistance) / sampleDistance;\n\n  // Avoid 0.0 jitter\n  float jitter = 0.01 + 0.99 * fragmentSeed;\n\n  #if vtkBlendMode == COMPOSITE_BLEND\n    // now map through opacity and color\n    vec3 firstPosVC = rayOriginVC + minDistance * rayDirVC;\n    vec4 firstColor = getColorAtPos(firstPosVC);\n\n    // handle very thin volumes\n    if (raySteps <= 1.0) {\n      firstColor.a = 1.0 - pow(1.0 - firstColor.a, raySteps);\n      gl_FragData[0] = firstColor;\n      return;\n    }\n\n    // first color only counts for `jitter` factor of the step\n    firstColor.a = 1.0 - pow(1.0 - firstColor.a, jitter);\n    vec4 color = vec4(firstColor.rgb * firstColor.a, firstColor.a);\n    vec3 posVC = firstPosVC + jitter * stepVC;\n    float stepsTraveled = jitter;\n\n    for (int i = 0; i < vtkMaximumNumberOfSamples; ++i) {\n      // If we have reached the last step, break\n      if (stepsTraveled + 1.0 >= raySteps) {\n        break;\n      }\n      vec4 tColor = getColorAtPos(posVC);\n\n      color = color + vec4(tColor.rgb * tColor.a, tColor.a) * (1.0 - color.a);\n      stepsTraveled++;\n      posVC += stepVC;\n      if (color.a > 0.99) {\n        color.a = 1.0;\n        break;\n      }\n    }\n\n    if (color.a < 0.99 && (raySteps - stepsTraveled) > 0.0) {\n      vec3 endPosVC = rayOriginVC + maxDistance * rayDirVC;\n      vec4 tColor = getColorAtPos(endPosVC);\n      tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps - stepsTraveled);\n\n      float mix = (1.0 - color.a);\n      color = color + vec4(tColor.rgb * tColor.a, tColor.a) * mix;\n    }\n\n    gl_FragData[0] = vec4(color.rgb / color.a, color.a);\n  #endif\n\n  #if vtkBlendMode == MAXIMUM_INTENSITY_BLEND ||                                 \\\n      vtkBlendMode == MINIMUM_INTENSITY_BLEND\n    // Find maximum/minimum intensity along the ray.\n\n    // Define the operation we will use (min or max)\n    #if vtkBlendMode == MAXIMUM_INTENSITY_BLEND\n      #define OP max\n    #else\n      #define OP min\n    #endif\n\n    vec3 posVC = rayOriginVC + minDistance * rayDirVC;\n    float stepsTraveled = 0.0;\n\n    // Find a value to initialize the selected variables\n    vec4 selectedValue;\n    vec3 selectedPosVC;\n    vec3 selectedPosIS;\n    {\n      vec3 posIS = posVCtoIS(posVC);\n      selectedValue = getTextureValue(posIS);\n      selectedPosVC = posVC;\n      selectedPosIS = posIS;\n    }\n\n    // If the clipping range is shorter than the sample distance\n    // we can skip the sampling loop along the ray.\n    if (raySteps <= 1.0) {\n      gl_FragData[0] = getColorForValue(selectedValue, selectedPosVC, selectedPosIS);\n      return;\n    }\n\n    posVC += jitter * stepVC;\n    stepsTraveled += jitter;\n\n    // Sample along the ray until vtkMaximumNumberOfSamples,\n    // ending slightly inside the total distance\n    for (int i = 0; i < vtkMaximumNumberOfSamples; ++i) {\n      // If we have reached the last step, break\n      if (stepsTraveled + 1.0 >= raySteps) {\n        break;\n      }\n\n      // Get selected values\n      vec3 posIS = posVCtoIS(posVC);\n      vec4 previousSelectedValue = selectedValue;\n      vec4 currentValue = getTextureValue(posIS);\n      selectedValue = OP(selectedValue, currentValue);\n      if (previousSelectedValue != selectedValue) {\n        selectedPosVC = posVC;\n        selectedPosIS = posIS;\n      }\n\n      // Otherwise, continue along the ray\n      stepsTraveled++;\n      posVC += stepVC;\n    }\n\n    // Perform the last step along the ray using the\n    // residual distance\n    posVC = rayOriginVC + maxDistance * rayDirVC;\n    {\n      vec3 posIS = posVCtoIS(posVC);\n      vec4 previousSelectedValue = selectedValue;\n      vec4 currentValue = getTextureValue(posIS);\n      selectedValue = OP(selectedValue, currentValue);\n      if (previousSelectedValue != selectedValue) {\n        selectedPosVC = posVC;\n        selectedPosIS = posIS;\n      }\n    }\n\n    gl_FragData[0] = getColorForValue(selectedValue, selectedPosVC, selectedPosIS);\n  #endif\n\n  #if vtkBlendMode == ADDITIVE_INTENSITY_BLEND ||                                \\\n      vtkBlendMode == AVERAGE_INTENSITY_BLEND\n    vec4 sum = vec4(0.);\n    #if vtkBlendMode == AVERAGE_INTENSITY_BLEND\n      float totalWeight = 0.0;\n    #endif\n    vec3 posVC = rayOriginVC + minDistance * rayDirVC;\n    float stepsTraveled = 0.0;\n\n    vec3 posIS = posVCtoIS(posVC);\n    vec4 value = getTextureValue(posIS);\n\n    if (raySteps <= 1.0) {\n      gl_FragData[0] = getColorForValue(value * raySteps, posVC, posIS);\n      return;\n    }\n\n    if (valueWithinScalarRange(value)) {\n      sum += value * jitter;\n      #if vtkBlendMode == AVERAGE_INTENSITY_BLEND\n        totalWeight += jitter;\n      #endif\n    }\n    posVC += jitter * stepVC;\n    stepsTraveled += jitter;\n\n    // Sample along the ray until vtkMaximumNumberOfSamples,\n    // ending slightly inside the total distance\n    for (int i = 0; i < vtkMaximumNumberOfSamples; ++i) {\n      // If we have reached the last step, break\n      if (stepsTraveled + 1.0 >= raySteps) {\n        break;\n      }\n\n      posIS = posVCtoIS(posVC);\n      value = getTextureValue(posIS);\n      // One can control the scalar range by setting the AverageIPScalarRange to\n      // disregard scalar values, not in the range of interest, from the average\n      // computation. Notes:\n      // - We are comparing all values in the texture to see if any of them\n      //   are outside of the scalar range. In the future we might want to allow\n      //   scalar ranges for each component.\n      if (valueWithinScalarRange(value)) {\n        sum += value;\n        #if vtkBlendMode == AVERAGE_INTENSITY_BLEND\n          totalWeight++;\n        #endif\n      }\n\n      stepsTraveled++;\n      posVC += stepVC;\n    }\n\n    // Perform the last step along the ray using the\n    // residual distance\n    posVC = rayOriginVC + maxDistance * rayDirVC;\n    posIS = posVCtoIS(posVC);\n    value = getTextureValue(posIS);\n    if (valueWithinScalarRange(value)) {\n      sum += value;\n      #if vtkBlendMode == AVERAGE_INTENSITY_BLEND\n        totalWeight += raySteps - stepsTraveled;\n      #endif\n    }\n\n    #if vtkBlendMode == AVERAGE_INTENSITY_BLEND\n      sum /= vec4(totalWeight, totalWeight, totalWeight, 1.0);\n    #endif\n\n    gl_FragData[0] = getColorForValue(sum, posVC, posIS);\n  #endif\n\n  #if vtkBlendMode == RADON_TRANSFORM_BLEND\n    float normalizedRayIntensity = 1.0;\n    vec3 posVC = rayOriginVC + minDistance * rayDirVC;\n    float stepsTraveled = 0.0;\n\n    // handle very thin volumes\n    if (raySteps <= 1.0) {\n      vec3 posIS = posVCtoIS(posVC);\n      vec4 tValue = getTextureValue(posIS);\n      normalizedRayIntensity -= raySteps * sampleDistance *\n                                getOpacityFromTexture(tValue.r, 0, 0.5);\n      gl_FragData[0] =\n          vec4(getColorFromTexture(normalizedRayIntensity, 0, 0.5), 1.0);\n      return;\n    }\n\n    posVC += jitter * stepVC;\n    stepsTraveled += jitter;\n\n    for (int i = 0; i < vtkMaximumNumberOfSamples; ++i) {\n      if (stepsTraveled + 1.0 >= raySteps) {\n        break;\n      }\n\n      vec3 posIS = posVCtoIS(posVC);\n      vec4 value = getTextureValue(posIS);\n      // Convert scalar value to normalizedRayIntensity coefficient and\n      // accumulate normalizedRayIntensity\n      normalizedRayIntensity -=\n          sampleDistance * getOpacityFromTexture(value.r, 0, 0.5);\n\n      posVC += stepVC;\n      stepsTraveled++;\n    }\n\n    // map normalizedRayIntensity to color\n    gl_FragData[0] =\n        vec4(getColorFromTexture(normalizedRayIntensity, 0, 0.5), 1.0);\n  #endif\n\n  #if vtkBlendMode == LABELMAP_EDGE_PROJECTION_BLEND\n    // Only works with a single volume\n    vec3 posVC = rayOriginVC + minDistance * rayDirVC;\n    float stepsTraveled = 0.0;\n    vec3 posIS = posVCtoIS(posVC);\n    vec4 tValue = getTextureValue(posIS);\n    if (raySteps <= 1.0) {\n      gl_FragData[0] = getColorForValue(tValue, posVC, posIS);\n      return;\n    }\n\n    vec3 stepIS = vecVCToIS(stepVC);\n    vec4 value = tValue;\n    posIS += jitter * stepIS;\n    stepsTraveled += jitter;\n    vec3 maxPosIS = posIS; // Store the position of the max value\n    int segmentIndex = int(value.g);\n    bool originalPosHasSeenNonZero = false;\n\n    if (segmentIndex != 0) {\n      // Tried using the segment index in an boolean array but reading\n      // from the array by dynamic indexing was horrondously slow\n      // so use bit masking instead and assign 1 to the bit corresponding to the\n      // segment index and later check if the bit is set via bit operations\n      setLabelOutlineBit(segmentIndex);\n    }\n\n    // Sample along the ray until vtkMaximumNumberOfSamples,\n    // ending slightly inside the total distance\n    for (int i = 0; i < vtkMaximumNumberOfSamples; ++i) {\n      // If we have reached the last step, break\n      if (stepsTraveled + 1.0 >= raySteps) {\n        break;\n      }\n\n      // compute the scalar\n      tValue = getTextureValue(posIS);\n      segmentIndex = int(tValue.g);\n\n      if (segmentIndex != 0) {\n        originalPosHasSeenNonZero = true;\n        setLabelOutlineBit(segmentIndex);\n      }\n\n      if (tValue.r > value.r) {\n        value = tValue;   // Update the max value\n        maxPosIS = posIS; // Update the position where max occurred\n      }\n\n      // Otherwise, continue along the ray\n      stepsTraveled++;\n      posIS += stepIS;\n    }\n\n    // Perform the last step along the ray using the\n    // residual distance\n    posIS = posVCtoIS(rayOriginVC + maxDistance * rayDirVC);\n    tValue = getTextureValue(posIS);\n\n    if (tValue.r > value.r) {\n      value = tValue;   // Update the max value\n      maxPosIS = posIS; // Update the position where max occurred\n    }\n\n    // If we have not seen any non-zero segments, we can return early\n    // and grab color from the actual center value first component (image)\n    if (!originalPosHasSeenNonZero) {\n      vec3 maxPosVC = posIStoVC(maxPosIS);\n      gl_FragData[0] = getColorForValue(value, maxPosVC, maxPosIS);\n      return;\n    }\n\n    vec3 neighborRayStepsIS = stepIS;\n    float neighborRaySteps = raySteps;\n    bool shouldLookInAllNeighbors = false;\n\n    vec3 volumeSpacings = volume.spacing;\n    float minVoxelSpacing =\n        min(volumeSpacings[0], min(volumeSpacings[1], volumeSpacings[2]));\n    vec4 base =\n        vec4(gl_FragCoord.x, gl_FragCoord.y, gl_FragCoord.z, gl_FragCoord.w);\n\n    vec4 baseXPlus = vec4(gl_FragCoord.x + 1.0, gl_FragCoord.y, gl_FragCoord.z,\n                          gl_FragCoord.w);\n    vec4 baseYPlus = vec4(gl_FragCoord.x, gl_FragCoord.y + 1.0, gl_FragCoord.z,\n                          gl_FragCoord.w);\n\n    vec3 baseWorld = fragCoordToWorld(base);\n    vec3 baseXPlusWorld = fragCoordToWorld(baseXPlus);\n    vec3 baseYPlusWorld = fragCoordToWorld(baseYPlus);\n\n    float XPlusDiff = length(baseXPlusWorld - baseWorld);\n    float YPlusDiff = length(baseYPlusWorld - baseWorld);\n\n    float minFragSpacingWorld = min(XPlusDiff, YPlusDiff);\n\n    for (int s = 1; s < MAX_SEGMENT_INDEX; s++) {\n      // bail out quickly if the segment index has not\n      // been seen by the center segment\n      if (!isLabelOutlineBitSet(s)) {\n        continue;\n      }\n\n      // Use texture sampling for outlineThickness so that we can have\n      // per segment thickness\n      float textureCoordinate = float(s - 1) / 1024.0;\n      float textureValue =\n          texture2D(labelOutlineThicknessTexture, vec2(textureCoordinate, 0.5)).r;\n\n      int actualThickness = int(textureValue * 255.0);\n\n      // check the extreme points in the neighborhood since there is a better\n      // chance of finding the edge there, so that we can bail out\n      // faster if we find the edge\n      bool onEdge = checkOnEdgeForNeighbor(-actualThickness, -actualThickness, s,\n                                          stepIS) ||\n                    checkOnEdgeForNeighbor(actualThickness, actualThickness, s,\n                                          stepIS) ||\n                    checkOnEdgeForNeighbor(actualThickness, -actualThickness, s,\n                                          stepIS) ||\n                    checkOnEdgeForNeighbor(-actualThickness, +actualThickness, s,\n                                          stepIS);\n\n      if (onEdge) {\n        return;\n      }\n\n      // since the next step is computationally expensive, we need to perform\n      // some optimizations to avoid it if possible. One of the optimizations\n      // is to check the whether the minimum of the voxel spacing is greater than\n      // the 2 * the thickness of the outline segment. If that is the case\n      // then we can safely skip the next step since we can be sure that the\n      // the previous 4 checks on the extreme points would caught the entirety\n      // of the all the fragments inside. i.e., this happens when we zoom out,\n      if (minVoxelSpacing >\n          (2.0 * float(actualThickness) - 1.0) * minFragSpacingWorld) {\n        continue;\n      }\n\n      // Loop through the rest, skipping the processed extremes and the center\n      for (int i = -actualThickness; i <= actualThickness; i++) {\n        for (int j = -actualThickness; j <= actualThickness; j++) {\n          if (i == 0 && j == 0)\n            continue; // Skip the center\n          if (abs(i) == actualThickness && abs(j) == actualThickness)\n            continue; // Skip corners\n          if (checkOnEdgeForNeighbor(i, j, s, stepIS)) {\n            return;\n          }\n        }\n      }\n    }\n\n    float sampleHeight = volume.transferFunctionsSampleHeight[0];\n    vec3 tColor0 = getColorFromTexture(value.r, 0, sampleHeight);\n    float pwfValue0 = getOpacityFromTexture(value.r, 0, sampleHeight);\n    gl_FragData[0] = vec4(tColor0, pwfValue0);\n  #endif\n}\n\n//=======================================================================\n// given a\n// - ray direction (rayDir)\n// - starting point (vertexVCVSOutput)\n// - bounding planes of the volume\n// - optionally depth buffer values\n// - far clipping plane\n// compute the start/end distances of the ray we need to cast\nvec2 computeRayDistances(vec3 rayOriginVC, vec3 rayDirVC) {\n  vec2 dists = rayIntersectVolumeDistances(rayOriginVC, rayDirVC);\n\n  //VTK::ClipPlane::Impl\n\n  // do not go behind front clipping plane\n  dists.x = max(0.0, dists.x);\n\n  // do not go PAST far clipping plane\n  float farDist = -camThick / rayDirVC.z;\n  dists.y = min(farDist, dists.y);\n\n  // Do not go past the zbuffer value if set\n  // This is used for intermixing opaque geometry\n  //VTK::ZBuffer::Impl\n\n  return dists;\n}\n\nfloat getFragmentSeed() {\n  // This first noise has a diagonal pattern\n  float firstNoise =\n      fract(sin(dot(gl_FragCoord.xy, vec2(12.9898, 78.233))) * 43758.5453);\n  // This second noise is made out of blocks of CPU generated noise\n  float secondNoise = texture2D(jtexture, gl_FragCoord.xy / 32.0).r;\n  // Combine the two sources of noise in a way that the distribution is uniform\n  // in [0,1[\n  float noiseSum = firstNoise + secondNoise;\n  return noiseSum < 1.0 ? noiseSum : noiseSum - 1.0;\n}\n\nvoid main() {\n  fragmentSeed = getFragmentSeed();\n\n  if (cameraParallel == 1) {\n    // Camera is parallel, so the rayDir is just the direction of the camera.\n    rayDirVC = vec3(0.0, 0.0, -1.0);\n  } else {\n    // camera is at 0,0,0 so rayDir for perspective is just the vc coord\n    rayDirVC = normalize(vertexVCVSOutput);\n  }\n\n  vec3 rayOriginVC = vertexVCVSOutput;\n  vec2 rayStartEndDistancesVC = computeRayDistances(rayOriginVC, rayDirVC);\n  if (rayStartEndDistancesVC[1] <= rayStartEndDistancesVC[0] ||\n      rayStartEndDistancesVC[1] <= 0.0) {\n    // Volume not hit or behind the ray\n    discard;\n  }\n\n  // Perform the blending operation along the ray\n  applyBlend(rayOriginVC, rayDirVC, rayStartEndDistancesVC[0], rayStartEndDistancesVC[1]);\n}\n",e.Geometry=""},e.replaceShaderValues=(e,n,r)=>{let o=e.Fragment;o=gd.substitute(o,"//VTK::EnabledColorFunctions",`#define EnableColorForValueFunctionId${t.previousState.colorForValueFunctionId}`).result;const a=[];t.previousState.surfaceLightingEnabled&&a.push("Surface"),t.previousState.volumeLightingEnabled&&a.push("Volume"),o=gd.substitute(o,"//VTK::EnabledLightings",a.map((e=>`#define Enable${e}Lighting`))).result,t.previousState.multiTexturePerVolumeEnabled&&(o=gd.substitute(o,"//VTK::EnabledMultiTexturePerVolume","#define EnabledMultiTexturePerVolume").result),t.previousState.useIndependentComponents&&(o=gd.substitute(o,"//VTK::EnabledIndependentComponents","#define EnabledIndependentComponents").result),t.previousState.gradientOpacityEnabled&&(o=gd.substitute(o,"//VTK::EnabledGradientOpacity","#define EnabledGradientOpacity").result),o=gd.substitute(o,"//VTK::vtkProportionalComponents",t.previousState.proportionalComponents.map((e=>`#define vtkComponent${e}Proportional`)).join("\n")).result,o=gd.substitute(o,"//VTK::vtkForceNearestComponents",t.previousState.forceNearestComponents.map((e=>`#define vtkComponent${e}ForceNearest`)).join("\n")).result,t.previousState.hasZBufferTexture&&(o=gd.substitute(o,"//VTK::ZBuffer::Dec",["uniform sampler2D zBufferTexture;","uniform float vpZWidth;","uniform float vpZHeight;"]).result,o=gd.substitute(o,"//VTK::ZBuffer::Impl",["vec4 depthVec = texture2D(zBufferTexture, vec2(gl_FragCoord.x / vpZWidth, gl_FragCoord.y/vpZHeight));","float zdepth = (depthVec.r*256.0 + depthVec.g)/257.0;","zdepth = zdepth * 2.0 - 1.0;","if (cameraParallel == 0) {","zdepth = -2.0 * camFar * camNear / (zdepth*(camFar-camNear)-(camFar+camNear)) - camNear;}","else {","zdepth = (zdepth + 1.0) * 0.5 * (camFar - camNear);}\n","zdepth = -zdepth/rayDirVC.z;","dists.y = min(zdepth,dists.y);"]).result),o=gd.substitute(o,"//VTK::BlendMode",`${t.previousState.blendMode}`).result,o=gd.substitute(o,"//VTK::NumberOfLights",`${t.previousState.numberOfLights}`).result,o=gd.substitute(o,"//VTK::MaxLaoKernelSize",`${t.previousState.maxLaoKernelSize}`).result,o=gd.substitute(o,"//VTK::NumberOfComponents",`${t.previousState.numberOfComponents}`).result,o=gd.substitute(o,"//VTK::MaximumNumberOfSamples",`${t.previousState.maximumNumberOfSamples}`).result,e.Fragment=o;const i=t.previousState.numberOfClippingPlanes;i>0&&(o=gd.substitute(o,"//VTK::ClipPlane::Dec",["uniform vec3 vClipPlaneNormals[6];","uniform float vClipPlaneDistances[6];","uniform vec3 vClipPlaneOrigins[6];","uniform int clip_numPlanes;","//VTK::ClipPlane::Dec","#define vtkClippingPlanesOn"],!1).result,o=gd.substitute(o,"//VTK::ClipPlane::Impl",[`for(int i = 0; i < ${i}; i++) {`,"  float rayDirRatio = dot(rayDirVC, vClipPlaneNormals[i]);","  float equationResult = dot(vertexVCVSOutput, vClipPlaneNormals[i]) + vClipPlaneDistances[i];","  if (rayDirRatio == 0.0)","  {","    if (equationResult < 0.0) dists.x = dists.y;","    continue;","  }","  float result = -1.0 * equationResult / rayDirRatio;","  if (rayDirRatio < 0.0) dists.y = min(dists.y, result);","  else dists.x = max(dists.x, result);","}","//VTK::ClipPlane::Impl"],!1).result),e.Fragment=o},e.getNeedToRebuildShaders=(r,o,a)=>{const i=!!t.zBufferTexture,s=t.currentValidInputs.length,l=t.numberOfLights,c=t.numberOfComponents,u=t.useIndependentComponents,d=a.getProperties(),p=t.currentValidInputs[0],f=d[p.inputIndex],g=s>1,m=p.imageData.getBounds(),h=ji.getDiagonalLength(m),v=Math.ceil(h/e.getCurrentSampleDistance(o));v>t.renderable.getMaximumSamplesPerRay()&&mg(`The number of steps required ${v} is larger than the specified maximum number of steps ${t.renderable.getMaximumSamplesPerRay()}.\nPlease either change the volumeMapper sampleDistance or its maximum number of samples.`);const T=u?c:1;let x=!1;for(let e=0;e<T;++e)if(f.getUseGradientOpacity(e)){x=!0;break}let b=0;const A=f.getLAOKernelSize();A>b&&f.getLocalAmbientOcclusion()&&f.getAmbient()>0&&(b=A);const y=t.renderable.getClippingPlanes().length,C=t.renderable.getViewSpecificProperties().OpenGL?.ShaderReplacements,S=t.currentRenderPass?.getShaderReplacement(),P=t.renderable.getBlendMode(),w=(()=>{if(P!==fg.LABELMAP_EDGE_PROJECTION_BLEND&&n(f))return 5;if(u)switch(f.getColorMixPreset()){case dg.ADDITIVE:return 1;case dg.COLORIZE:return 2;case dg.CUSTOM:return 3;default:return 4}return 0})(),I=f.getVolumetricScatteringBlending()<1,O=f.getVolumetricScatteringBlending()>0;let R=!1;for(let e=0;e<c;++e)if(f.getForceNearestInterpolation(e)){R=!0;break}const M=[],D=[];for(let e=0;e<c;e++)f.getOpacityMode(e)===ug.PROPORTIONAL&&M.push(e),f.getForceNearestInterpolation(e)&&D.push(e);const E={numberOfComponents:c,useIndependentComponents:u,proportionalComponents:M,forceNearestComponents:D,blendMode:P,numberOfLights:l,numberOfValidInputs:s,maximumNumberOfSamples:v,hasZBufferTexture:i,maxLaoKernelSize:b,numberOfClippingPlanes:y,mapperShaderReplacements:C,renderPassShaderReplacements:S,colorForValueFunctionId:w,surfaceLightingEnabled:I,volumeLightingEnabled:O,forceNearestInterpolationEnabled:R,multiTexturePerVolumeEnabled:g,gradientOpacityEnabled:x};return(0===r.getProgram()?.getHandle()||!t.previousState||!xe(t.previousState,E))&&(t.previousState=E,!0)},e.updateShaders=(n,r,o)=>{if(e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o),e.getClippingPlaneShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const a=n.getProgram();n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(a.isAttributeUsed("vertexDC")&&(n.getVAO().addAttributeArray(a,n.getCABO(),"vertexDC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||hg("Error setting vertexDC in shader VAO.")),n.getAttributeUpdateTime().modified());const i=e.getCurrentSampleDistance(r);a.setUniformf("sampleDistance",i);const s=i*t.renderable.getVolumeShadowSamplingDistFactor();a.setUniformf("volumeShadowSampleDistance",s),t.scalarTextures.forEach(((e,t)=>{a.setUniformi(`volumeTexture[${t}]`,e.getTextureUnit())}));const l=o.getProperties()[t.currentValidInputs[0].inputIndex].getIpScalarRange(),c=new Float32Array(4),u=new Float32Array(4),d=(e,t,n)=>{t?.dataComputedScale?.length&&(c[e]=l[0]*t.dataComputedScale[n]+t.dataComputedOffset[n],u[e]=l[1]*t.dataComputedScale[n]+t.dataComputedOffset[n],c[e]=(c[e]-t.offset[n])/t.scale[n],u[e]=(u[e]-t.offset[n])/t.scale[n])};if(t.previousState.multiTexturePerVolumeEnabled)t.scalarTextures.forEach(((e,t)=>{const n=e.getVolumeInfo();d(t,n,0)}));else{const e=t.scalarTextures[0].getVolumeInfo();for(let t=0;t<4;++t)d(t,e,t)}const p="volume";if(a.setUniform4f(`${p}.ipScalarRangeMin`,c[0],c[1],c[2],c[3]),a.setUniform4f(`${p}.ipScalarRangeMax`,u[0],u[1],u[2],u[3]),null!==t.zBufferTexture){a.setUniformi("zBufferTexture",t.zBufferTexture.getTextureUnit());const e=t._useSmallViewport?[t._smallViewportWidth,t._smallViewportHeight]:t._openGLRenderWindow.getFramebufferSize();a.setUniformf("vpZWidth",e[0]),a.setUniformf("vpZHeight",e[1])}},e.setCameraShaderParameters=(r,o,a)=>{const{idxToView:i,vecISToVCMatrix:s,modelToView:l,projectionToView:c,projectionToWorld:u}=vg,f=t.openGLCamera.getKeyMatrices(o),g=t.openGLVolume.getKeyMatrices();y(l,f.wcvc,g.mcwc);const m=r.getProgram(),h=t.openGLCamera.getRenderable(),v=h.getParallelProjection(),T=h.getClippingRange();m.setUniformf("camThick",T[1]-T[0]),m.setUniformf("camNear",T[0]),m.setUniformf("camFar",T[1]),m.setUniformi("cameraParallel",v);const x=t.currentValidInputs[0],b=x.imageData.getBounds(),C=ji.getCorners(b,[]).map((e=>{if(oe(e,e,l),!v){$(e,e,-T[0]/(e[2]*X(e)))}return oe(e,e,f.vcpc),e})),S=ji.addPoints([...ji.INIT_BOUNDS],C);m.setUniformf("dcxmin",S[0]),m.setUniformf("dcxmax",S[1]),m.setUniformf("dcymin",S[2]),m.setUniformf("dcymax",S[3]);const P=e.getRenderTargetSize();m.setUniformf("vpWidth",P[0]),m.setUniformf("vpHeight",P[1]);const w=e.getRenderTargetOffset();m.setUniformf("vpOffsetX",w[0]/P[0]),m.setUniformf("vpOffsetY",w[1]/P[1]),A(c,f.vcpc),m.setUniformMatrix("PCVCMatrix",c),m.setUniformi("twoSidedLighting",o.getTwoSidedLighting());const I=new Array(2*t.previousState.maxLaoKernelSize);for(let e=0;e<t.previousState.maxLaoKernelSize;e++)I[2*e]=Math.random(),I[2*e+1]=Math.random();if(m.setUniform2fv("kernelSample",I),t.numberOfLights>0){let e=0;o.getLights().forEach((t=>{if(t.getSwitch()>0){const n=`lights[${e}]`,r=$([],t.getColor(),t.getIntensity());m.setUniform3fv(`${n}.color`,r);const o=t.getTransformedPosition();oe(o,o,l),m.setUniform3fv(`${n}.positionVC`,o);const a=[...t.getDirection()];ae(a,a,f.normalMatrix),te(a,a),m.setUniform3fv(`${n}.directionVC`,a);const i=[-.5*a[0],-.5*a[1],-.5*(a[2]-1)];m.setUniform3fv(`${n}.halfAngleVC`,i);const s=t.getAttenuationValues();m.setUniform3fv(`${n}.attenuation`,s);const c=t.getExponent();m.setUniformf(`${n}.exponent`,c);const u=t.getConeAngle();m.setUniformf(`${n}.coneAngle`,u);const d=t.getPositional();m.setUniformi(`${n}.isPositional`,d),e++}}))}const O="volume",R=a.getProperties()[x.inputIndex],M=x.imageData,D=M.getSpatialExtent(),E=M.getSpacing(),V=M.getDimensions(),L=M.getIndexToWorld(),B=M.getWorldToIndex(),F=M.getDirectionByReference();y(i,l,L),m.setUniform3fv(`${O}.spacing`,E);const N=ee([],E);m.setUniform3fv(`${O}.inverseSpacing`,N),m.setUniform3iv(`${O}.dimensions`,V),m.setUniform3fv(`${O}.inverseDimensions`,ee([],V)),m.setUniformMatrix(`${O}.worldToIndex`,B),s.fill(0);const k=Q(new Float64Array(3),V,E);s[0]=k[0],s[4]=k[1],s[8]=k[2],p(s,F,s),p(s,g.normalMatrix,s),p(s,f.normalMatrix,s),m.setUniformMatrix3x3(`${O}.vecISToVCMatrix`,s),m.setUniformMatrix3x3(`${O}.vecVCToISMatrix`,d(new Float32Array(9),s));const G=q(D[0],D[2],D[4]),U=oe(new Float64Array(3),G,i);m.setUniform3fv(`${O}.originVC`,U);const _=X(k);if(m.setUniformf(`${O}.diagonalLength`,_),n(R)){const e=h.getDistance();h.setClippingRange(e,e+.1);A(u,t.openGLCamera.getKeyMatrices(o).wcpc),h.setClippingRange(T[0],T[1]),t.openGLCamera.getKeyMatrices(o),m.setUniformMatrix(`${O}.PCWCMatrix`,u)}if(R.getVolumetricScatteringBlending()>0&&(m.setUniformf(`${O}.globalIlluminationReach`,R.getGlobalIlluminationReach()),m.setUniformf(`${O}.volumetricScatteringBlending`,R.getVolumetricScatteringBlending()),m.setUniformf(`${O}.anisotropy`,R.getAnisotropy()),m.setUniformf(`${O}.anisotropySquared`,R.getAnisotropy()**2)),R.getLocalAmbientOcclusion()&&R.getAmbient()>0){const e=R.getLAOKernelSize();m.setUniformi(`${O}.kernelSize`,e);const t=R.getLAOKernelRadius();m.setUniformi(`${O}.kernelRadius`,t)}else m.setUniformi(`${O}.kernelSize`,0)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram();o.setUniformi("jtexture",t.jitterTexture.getTextureUnit());const a=r.getProperties();o.setUniformi("labelOutlineThicknessTexture",t.labelOutlineThicknessTexture.getTextureUnit()),o.setUniformi("opacityTexture",t.opacityTexture.getTextureUnit()),o.setUniformi("colorTexture",t.colorTexture.getTextureUnit());const i="volume",s=a[t.currentValidInputs[0].inputIndex],l=t.previousState.numberOfComponents,c=t.previousState.useIndependentComponents;if(c){const e=new Float32Array(4);for(let t=0;t<l;t++)e[t]=s.getComponentWeight(t);o.setUniform4fv(`${i}.independentComponentMix`,e);const t=new Float32Array(4),n=1/l;for(let e=0;e<l;++e)t[e]=(e+.5)*n;o.setUniform4fv(`${i}.transferFunctionsSampleHeight`,t)}const u=t.colorForValueFunctionId;o.setUniformi(`${i}.colorForValueFunctionId`,u);const d=s.getComputeNormalFromOpacity();o.setUniformi(`${i}.computeNormalFromOpacity`,d);const p=new Float32Array(4),f=new Float32Array(4),g=new Float32Array(4),m=new Float32Array(4);for(let e=0;e<l;e++){const n=t.previousState.multiTexturePerVolumeEnabled,r=n?e:0,o=n?0:e,a=t.scalarTextures[r].getVolumeInfo(),i=c?e:0,l=a.scale[o],u=s.getRGBTransferFunction(i).getRange();p[e]=l/(u[1]-u[0]),f[e]=(a.offset[o]-u[0])/(u[1]-u[0]);const d=s.getScalarOpacity(i).getRange();g[e]=l/(d[1]-d[0]),m[e]=(a.offset[o]-d[0])/(d[1]-d[0])}if(o.setUniform4fv(`${i}.colorTextureScale`,p),o.setUniform4fv(`${i}.colorTextureShift`,f),o.setUniform4fv(`${i}.opacityTextureScale`,g),o.setUniform4fv(`${i}.opacityTextureShift`,m),t.previousState.gradientOpacityEnabled){const e=new Array(4),n=new Array(4),r=new Array(4),a=new Array(4);if(c)for(let o=0;o<l;++o){const i=t.previousState.multiTexturePerVolumeEnabled,l=i?o:0,c=i?0:o,u=t.scalarTextures[l].getVolumeInfo().scale[c];if(s.getUseGradientOpacity(o)){const t=[s.getGradientOpacityMinimumOpacity(o),s.getGradientOpacityMaximumOpacity(o)],i=[s.getGradientOpacityMinimumValue(o),s.getGradientOpacityMaximumValue(o)];r[o]=t[0],a[o]=t[1],e[o]=u*(t[1]-t[0])/(i[1]-i[0]),n[o]=-i[0]*(t[1]-t[0])/(i[1]-i[0])+t[0]}else r[o]=1,a[o]=1,e[o]=0,n[o]=1}else{const o=l-1,i=t.previousState.multiTexturePerVolumeEnabled,c=i?o:0,u=i?0:o,d=t.scalarTextures[c].getVolumeInfo().scale[u],p=[s.getGradientOpacityMinimumOpacity(0),s.getGradientOpacityMaximumOpacity(0)],f=[s.getGradientOpacityMinimumValue(0),s.getGradientOpacityMaximumValue(0)];r[0]=p[0],a[0]=p[1],e[0]=d*(p[1]-p[0])/(f[1]-f[0]),n[0]=-f[0]*(p[1]-p[0])/(f[1]-f[0])+p[0]}o.setUniform4f(`${i}.gradientOpacityScale`,e),o.setUniform4f(`${i}.gradientOpacityShift`,n),o.setUniform4f(`${i}.gradientOpacityMin`,r),o.setUniform4f(`${i}.gradientOpacityMax`,a)}const h=s.getLabelOutlineOpacity();if(o.setUniformf(`${i}.outlineOpacity`,h),t.numberOfLights>0){o.setUniformf(`${i}.ambient`,s.getAmbient()),o.setUniformf(`${i}.diffuse`,s.getDiffuse()),o.setUniformf(`${i}.specular`,s.getSpecular());const e=s.getSpecularPower();o.setUniformf(`${i}.specularPower`,0===e?1:e)}},e.getClippingPlaneShaderParameters=(e,n,r)=>{if(t.renderable.getClippingPlanes().length>0){const r=t.openGLCamera.getKeyMatrices(n),o=[],a=[],i=[],s=t.renderable.getClippingPlanes(),l=s.length;for(let e=0;e<l;++e){const t=s[e].getNormal(),n=s[e].getOrigin();ae(t,t,r.normalMatrix),oe(n,n,r.wcvc);const l=-1*ne(n,t);o.push(t[0]),o.push(t[1]),o.push(t[2]),a.push(l),i.push(n[0]),i.push(n[1]),i.push(n[2])}const c=e.getProgram();c.setUniform3fv("vClipPlaneNormals",o),c.setUniformfv("vClipPlaneDistances",a),c.setUniform3fv("vClipPlaneOrigins",i),c.setUniformi("clip_numPlanes",l)}},e.delete=Yt((()=>{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),(()=>{t._openGLRenderWindow&&a(t._openGLRenderWindow)}),e.delete),e.getRenderTargetSize=()=>{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getCurrentSampleDistance=e=>{const n=e.getVTKWindow().getInteractor(),r=t.renderable.getSampleDistance();if(n.isAnimating()){return r*t.renderable.getInteractionSampleDistanceFactor()}return r},e.renderPieceStart=(n,r)=>{const o=n.getVTKWindow().getInteractor();if(t._lastScale||(t._lastScale=t.renderable.getInitialInteractionScale()),t._useSmallViewport=!1,o.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._animationRateSubscription||(t._animationRateSubscription=o.onAnimationFrameRateUpdate((()=>{if(t.renderable.getAutoAdjustSampleDistances()){const e=o.getRecentAnimationFrameRate(),n=o.getDesiredUpdateRate()/e;(n>1.15||n<.85)&&(t._lastScale*=n),t._lastScale>400&&(t._lastScale=400),t._lastScale<1.5&&(t._lastScale=1.5)}else t._lastScale=t.renderable.getImageSampleDistance()*t.renderable.getImageSampleDistance()}))),t._useSmallViewport){const e=t._openGLRenderWindow.getFramebufferSize(),n=1/Math.sqrt(t._lastScale);if(t._smallViewportWidth=Math.ceil(n*e[0]),t._smallViewportHeight=Math.ceil(n*e[1]),t._smallViewportHeight>e[1]&&(t._smallViewportHeight=e[1]),t._smallViewportWidth>e[0]&&(t._smallViewportWidth=e[0]),t.framebuffer.saveCurrentBindingsAndBuffers(),null===t.framebuffer.getGLFramebuffer())t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer();else{const n=t.framebuffer.getSize();n&&n[0]===e[0]&&n[1]===e[1]||(t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer())}t.framebuffer.bind();const r=t.context;r.clearColor(0,0,0,0),r.colorMask(!0,!0,!0,!0),r.clear(r.COLOR_BUFFER_BIT),r.viewport(0,0,t._smallViewportWidth,t._smallViewportHeight),t.fvp=[t._smallViewportWidth/e[0],t._smallViewportHeight/e[1]]}t.context.disable(t.context.DEPTH_TEST),e.updateBufferObjects(n,r);const a=r.getProperties();t.currentValidInputs.forEach((({inputIndex:e})=>{const n=a[e].getInterpolationType(),r=t.scalarTextures[e];n===cg.NEAREST?(r.setMinificationFilter(Cd.NEAREST),r.setMagnificationFilter(Cd.NEAREST)):(r.setMinificationFilter(Cd.LINEAR),r.setMagnificationFilter(Cd.LINEAR))})),null!==t.zBufferTexture&&t.zBufferTexture.activate()},e.renderPieceDraw=(n,r)=>{const o=t.context,a=[...t.scalarTextures,t.colorTexture,t.opacityTexture,t.labelOutlineThicknessTexture,t.jitterTexture];a.forEach((e=>e.activate())),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),a.forEach((e=>e.deactivate()))},e.renderPieceFinish=(e,n)=>{if(null!==t.zBufferTexture&&t.zBufferTexture.deactivate(),t._useSmallViewport){if(t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader){t.copyShader=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","uniform vec2 tfactor;","varying vec2 tcoord;","void main() { tcoord = vec2(vertexDC.x*0.5 + 0.5, vertexDC.y*0.5 + 0.5) * tfactor; gl_Position = vertexDC; }"].join("\n"),["//VTK::System::Dec","//VTK::Output::Dec","uniform sampler2D texture1;","varying vec2 tcoord;","void main() { gl_FragData[0] = texture2D(texture1,tcoord); }"].join("\n"),"");const e=t.copyShader;t.copyVAO=vd.newInstance(),t.copyVAO.setOpenGLRenderWindow(t._openGLRenderWindow),t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(e,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||hg("Error setting vertexDC in copy shader VAO.")}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.copyShader);const e=t._openGLRenderWindow.getFramebufferSize();t.context.viewport(0,0,e[0],e[1]);const n=t.framebuffer.getColorTexture();n.activate(),t.copyShader.setUniformi("texture",n.getTextureUnit()),t.copyShader.setUniform2f("tfactor",t.fvp[0],t.fvp[1]);const r=t.context;r.blendFuncSeparate(r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),n.deactivate(),r.blendFuncSeparate(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update();const o=t.renderable.getNumberOfInputPorts();t.currentValidInputs=[];for(let e=0;e<o;++e){const n=t.renderable.getInputData(e);n&&!n.isDeleted()&&t.currentValidInputs.push({imageData:n,inputIndex:e})}let a=0;if(t.currentValidInputs.length>0){const e=r.getProperties(),o=t.currentValidInputs[0],i=o.imageData.getPointData().getScalars(),s=e[o.inputIndex];s.getShade()&&t.renderable.getBlendMode()===fg.COMPOSITE_BLEND&&n.getLights().forEach((e=>{e.getSwitch()>0&&a++}));const l=t.currentValidInputs.length,c=l>1;t.numberOfComponents=c?l:i.getNumberOfComponents(),t.useIndependentComponents=function(e,t){const n=e.getIndependentComponents(),r=e.getColorMixPreset();return n&&t>=2||!!r}(s,t.numberOfComponents)}a!==t.numberOfLights&&(t.numberOfLights=a,e.modified()),e.invokeEvent({type:"EndEvent"}),0!==t.currentValidInputs.length&&(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r))},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime()<e.getMTime()||t.VBOBuildTime.getMTime()<r.getMTime()||t.VBOBuildTime.getMTime()<r.getProperty(t.currentValidInputs[0].inputIndex)?.getMTime()||t.VBOBuildTime.getMTime()<t.renderable.getMTime()||t.currentValidInputs.some((({imageData:e})=>t.VBOBuildTime.getMTime()<e.getMTime()))||t.scalarTextures.length!==t.currentValidInputs.length||!t.scalarTextures.every((e=>!!e?.getHandle()))||!t.colorTexture?.getHandle()||!t.opacityTexture?.getHandle()||!t.labelOutlineThicknessTexture?.getHandle()||!t.jitterTexture?.getHandle(),e.buildBufferObjects=(n,r)=>{if(!t.jitterTexture.getHandle()){const e=new Float32Array(1024);for(let t=0;t<1024;++t)e[t]=Math.random();t.jitterTexture.setMinificationFilter(Cd.NEAREST),t.jitterTexture.setMagnificationFilter(Cd.NEAREST),t.jitterTexture.create2DFromRaw({width:32,height:32,numComps:1,dataType:hs.FLOAT,data:e})}const a=r.getProperties(),i=t.currentValidInputs[0],s=a[i.inputIndex],l=t.numberOfComponents,c=t.useIndependentComponents,u=c?l:1,d=[];for(let e=0;e<u;++e)d.push(s.getScalarOpacity(e));const p=Uf(d,c,u),f=s.getScalarOpacity(),g=t._openGLRenderWindow.getGraphicsResourceForObject(f);if(!g?.oglObject?.getHandle()||g.hash!==p){const r=Kd.newInstance();r.setOpenGLRenderWindow(t._openGLRenderWindow);let o=t.renderable.getOpacityTextureWidth();o<=0&&(o=t.context.getParameter(t.context.MAX_TEXTURE_SIZE));const a=2*o*u,i=new Float32Array(a),l=new Float32Array(o);for(let t=0;t<u;++t){const r=s.getScalarOpacity(t),a=e.getCurrentSampleDistance(n)/s.getScalarOpacityUnitDistance(t),c=r.getRange();r.getTable(c[0],c[1],o,l,1);for(let e=0;e<o;++e)i[t*o*2+e]=1-(1-l[e])**a,i[t*o*2+e+o]=i[t*o*2+e]}if(r.resetFormatAndType(),r.setMinificationFilter(Cd.LINEAR),r.setMagnificationFilter(Cd.LINEAR),t._openGLRenderWindow.getWebgl2()||t.context.getExtension("OES_texture_float")&&t.context.getExtension("OES_texture_float_linear"))r.create2DFromRaw({width:o,height:2*u,numComps:1,dataType:hs.FLOAT,data:i});else{const e=new Uint8ClampedArray(a);for(let t=0;t<a;++t)e[t]=255*i[t];r.create2DFromRaw({width:o,height:2*u,numComps:1,dataType:hs.UNSIGNED_CHAR,data:e})}f&&t._openGLRenderWindow.setGraphicsResourceForObject(f,r,p),t.opacityTexture=r}else t.opacityTexture=g.oglObject;o(t._openGLRenderWindow,t._opacityTextureCore,f),t._opacityTextureCore=f;const m=[];for(let e=0;e<u;++e)m.push(s.getRGBTransferFunction(e));const h=Uf(m,c,u),v=s.getRGBTransferFunction(),T=t._openGLRenderWindow.getGraphicsResourceForObject(v);if(!T?.oglObject?.getHandle()||T?.hash!==h){const e=Kd.newInstance();e.setOpenGLRenderWindow(t._openGLRenderWindow);let n=t.renderable.getColorTextureWidth();n<=0&&(n=t.context.getParameter(t.context.MAX_TEXTURE_SIZE));const r=new Uint8ClampedArray(2*n*u*3),o=new Float32Array(3*n);for(let e=0;e<u;++e){const t=s.getRGBTransferFunction(e),a=t.getRange();t.getTable(a[0],a[1],n,o,1);for(let t=0;t<3*n;++t)r[e*n*6+t]=255*o[t],r[e*n*6+t+3*n]=255*o[t]}e.resetFormatAndType(),e.setMinificationFilter(Cd.LINEAR),e.setMagnificationFilter(Cd.LINEAR),e.create2DFromRaw({width:n,height:2*u,numComps:3,dataType:hs.UNSIGNED_CHAR,data:r}),t._openGLRenderWindow.setGraphicsResourceForObject(v,e,h),t.colorTexture=e}else t.colorTexture=T.oglObject;o(t._openGLRenderWindow,t._colorTextureCore,v),t._colorTextureCore=v,t.currentValidInputs.forEach((({imageData:e,inputIndex:n},r)=>{const i=a[n],s=e.getPointData().getScalars(),l=t._openGLRenderWindow.getGraphicsResourceForObject(s),c=_f(0,s),u=!l?.oglObject?.getHandle()||l?.hash!==c,d=i.getUpdatedExtents(),p=!!d.length;if(u&&!p){const n=Kd.newInstance();n.setOpenGLRenderWindow(t._openGLRenderWindow);const o=e.getDimensions();n.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),n.resetFormatAndType(),n.create3DFilterableFromDataArray({width:o[0],height:o[1],depth:o[2],dataArray:s,preferSizeOverAccuracy:i.getPreferSizeOverAccuracy()}),t._openGLRenderWindow.setGraphicsResourceForObject(s,n,c),t.scalarTextures[r]=n}else t.scalarTextures[r]=l.oglObject;if(p){i.setUpdatedExtents([]);const n=e.getDimensions();t.scalarTextures[r].create3DFilterableFromDataArray({width:n[0],height:n[1],depth:n[2],dataArray:s,updatedExtents:d})}o(t._openGLRenderWindow,t._scalarTexturesCore[r],s),t._scalarTexturesCore[r]=s}));const x=s.getLabelOutlineThickness(),b=t._openGLRenderWindow.getGraphicsResourceForObject(x),A=x.join("-");if(!b?.oglObject?.getHandle()||b?.hash!==A){const e=Kd.newInstance();e.setOpenGLRenderWindow(t._openGLRenderWindow);let n=t.renderable.getLabelOutlineTextureWidth();n<=0&&(n=t.context.getParameter(t.context.MAX_TEXTURE_SIZE));const r=1,o=new Uint8Array(n*r);for(let e=0;e<n;++e){const t=void 0!==x[e]?x[e]:x[0];o[e]=t}e.resetFormatAndType(),e.setMinificationFilter(Cd.NEAREST),e.setMagnificationFilter(Cd.NEAREST),e.create2DFromRaw({width:n,height:r,numComps:1,dataType:hs.UNSIGNED_CHAR,data:o}),x&&t._openGLRenderWindow.setGraphicsResourceForObject(x,e,A),t.labelOutlineThicknessTexture=e}else t.labelOutlineThicknessTexture=b.oglObject;if(o(t._openGLRenderWindow,t._labelOutlineThicknessTextureCore,x),t._labelOutlineThicknessTextureCore=x,!t.tris.getCABO().getElementCount()){const e=new Float32Array(12);for(let t=0;t<4;t++)e[3*t]=t%2*2-1,e[3*t+1]=t>1?1:-1,e[3*t+2]=-1;const n=new Uint16Array(8);n[0]=3,n[1]=0,n[2]=1,n[3]=3,n[4]=3,n[5]=0,n[6]=3,n[7]=2;const r=Os.newInstance({numberOfComponents:3,values:e});r.setName("points");const o=Os.newInstance({numberOfComponents:1,values:n});t.tris.getCABO().createVBO(o,"polys",os.SURFACE,{points:r,cellOffset:0})}t.VBOBuildTime.modified()}}const xg={context:null,VBOBuildTime:null,scalarTextures:[],_scalarTexturesCore:[],opacityTexture:null,_opacityTextureCore:null,colorTexture:null,_colorTextureCore:null,labelOutlineThicknessTexture:null,_labelOutlineThicknessTextureCore:null,jitterTexture:null,tris:null,framebuffer:null,copyShader:null,copyVAO:null,lastXYF:1,targetXYF:1,zBufferTexture:null,lastZBufferTexture:null,fullViewportTime:1,idxToView:null,vecISToVCMatrix:null,modelToView:null,projectionToView:null,avgWindowArea:0,avgFrameTime:0};Tn("vtkVolumeMapper",qt((function(e,t,n={}){Object.assign(t,xg,n),fn.extend(e,t,n),Hd.implementBuildShadersWithReplacements(e,t,n),t.VBOBuildTime={},Lt(t.VBOBuildTime,{mtime:0}),t.tris=Ad.newInstance(),t.jitterTexture=Kd.newInstance(),t.jitterTexture.setWrapS(yd.REPEAT),t.jitterTexture.setWrapT(yd.REPEAT),t.framebuffer=Fp.newInstance(),Ut(e,t,["context"]),Tg(e,t)}),"vtkOpenGLVolumeMapper"));const{vtkDebugMacro:bg}=cn;const Ag={};Tn("vtkPixelSpaceCallbackMapper",qt((function(e,t,n={}){Object.assign(t,Ag,n),fn.extend(e,t,n),function(e,t){t.classHierarchy.push("vtkOpenGLPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getLastAncestorOfType("vtkOpenGLRenderWindow");const o=t._openGLRenderer.getAspectRatio(),a=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,i=t._openGLRenderer.getTiledSizeAndOrigin();let s=null;if(t.renderable.getUseZValues()){const e=r.getZBufferTexture(),n=Math.floor(e.getWidth()),o=Math.floor(e.getHeight()),a=t._openGLRenderWindow.getContext();e.bind();const i=r.getFramebuffer();i?i.saveCurrentBindingsAndBuffers():bg("No framebuffer to save/restore");const l=a.createFramebuffer();a.bindFramebuffer(a.FRAMEBUFFER,l),a.framebufferTexture2D(a.FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,e.getHandle(),0),a.checkFramebufferStatus(a.FRAMEBUFFER)===a.FRAMEBUFFER_COMPLETE&&(s=new Uint8Array(n*o*4),a.viewport(0,0,n,o),a.readPixels(0,0,n,o,a.RGBA,a.UNSIGNED_BYTE,s)),i&&i.restorePreviousBindingsAndBuffers(),a.deleteFramebuffer(l)}t.renderable.invokeCallback(t.renderable.getInputData(),a,o,i,s)},e.queryPass=(e,n)=>{e&&t.renderable.getUseZValues()&&n.requestDepth()}}(e,t)}),"vtkOpenGLPixelSpaceCallbackMapper"));var yg="//VTK::System::Dec\n\n/*=========================================================================\n\n  Program:   Visualization Toolkit\n  Module:    vtktextureObjectVS.glsl\n\n  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n  All rights reserved.\n  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n     This software is distributed WITHOUT ANY WARRANTY; without even\n     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n     PURPOSE.  See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\nattribute vec2 tcoordDC;\nvarying vec2 tcoordVC;\n\nvoid main()\n{\n  tcoordVC = tcoordDC;\n  gl_Position = vertexDC;\n}\n";const{Representation:Cg}=ds;function Sg(e,[t,n],r,o){const a=e.getContext(),i=Kd.newInstance({autoParameters:!1,wrapS:o,wrapT:o,minificationFilter:r,magnificationFilter:r,generateMipmap:!1,openGLDataType:a.FLOAT,baseLevel:0,maxLevel:0});return i.setOpenGLRenderWindow(e),i.setInternalFormat(a.RGBA32F),i.create2DFromRaw({width:t,height:n,numComps:4,dataType:"Float32Array",data:null}),i.activate(),i.sendParameters(),i.deactivate(),i}function Pg(e,t){return Sg(e,t,Kd.Filter.NEAREST,Kd.Wrap.CLAMP_TO_EDGE)}function wg(e,t){var n,r;(t.classHierarchy.push("vtkLICPingPongBufferManager"),t._openGLRenderWindow)?(t.quad=function(e){const t=Ad.newInstance();t.setOpenGLRenderWindow(e);const n=new Float32Array(12);for(let e=0;e<4;e++)n[3*e]=e%2*2-1,n[3*e+1]=e>1?1:-1,n[3*e+2]=0;const r=new Float32Array([0,0,1,0,0,1,1,1]),o=new Uint16Array(8);o[0]=3,o[1]=0,o[2]=1,o[3]=3,o[4]=3,o[5]=0,o[6]=3,o[7]=2;const a=Os.newInstance({numberOfComponents:3,values:n});a.setName("points");const i=Os.newInstance({numberOfComponents:1,values:o}),s=Os.newInstance({numberOfComponents:2,values:r});return t.getCABO().createVBO(i,"polys",Cg.SURFACE,{points:a,cellOffset:0,tcoords:s}),t}(t._openGLRenderWindow),t.context=t._openGLRenderWindow.getContext(),t.licTexture0=Pg(t._openGLRenderWindow,t.size),t.seedTexture0=Pg(t._openGLRenderWindow,t.size),t.licTexture1=Pg(t._openGLRenderWindow,t.size),t.seedTexture1=Pg(t._openGLRenderWindow,t.size),t.eeTexture=t.doEEPass?(n=t._openGLRenderWindow,r=t.size,Sg(n,r,Kd.Filter.NEAREST,Kd.Wrap.CLAMP_TO_EDGE)):null,t.imageVectorTexture=t.doVTPass?function(e,t){return Sg(e,t,Kd.Filter.LINEAR,Kd.Wrap.CLAMP_TO_EDGE)}(t._openGLRenderWindow,t.size):null,t.pingTextures[0]=t.licTexture0,t.pingTextures[1]=t.seedTexture0,t.pongTextures[0]=t.licTexture1,t.pongTextures[1]=t.seedTexture1,t.textures[0]=t.pingTextures,t.textures[1]=t.pongTextures,e.swap=()=>{t.readIndex=1-t.readIndex},e.renderQuad=(e,n)=>{const r=t.quad,o=t.context;let a=t.quadVAO;a||(a=vd.newInstance(),a.setOpenGLRenderWindow(t._openGLRenderWindow),t.quadVAO=a),t.previousProgramHash!==n.getMd5Hash()&&(a.shaderProgramChanged(),r.getCABO().bind(),a.addAttributeArray(n,r.getCABO(),"vertexDC",r.getCABO().getVertexOffset(),r.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE),a.addAttributeArray(n,r.getCABO(),"tcoordDC",r.getCABO().getTCoordOffset(),r.getCABO().getStride(),t.context.FLOAT,2,t.context.FALSE),t.previousProgramHash=n.getMd5Hash()),o.drawArrays(o.TRIANGLES,0,r.getCABO().getElementCount()),a.release()},e.getLastLICBuffer=()=>0===t.readIndex?t.licTexture0:t.licTexture1,e.getLastSeedBuffer=()=>0===t.readIndex?t.seedTexture0:t.seedTexture1,e.getLICBuffer=()=>1-t.readIndex==0?t.licTexture0:t.licTexture1,e.getSeedBuffer=()=>1-t.readIndex==0?t.seedTexture0:t.seedTexture1,e.getLICTextureUnit=()=>{const e=t.textures[t.readIndex][0];return e.activate(),e.getTextureUnit()},e.getSeedTextureUnit=()=>{const e=t.textures[t.readIndex][1];return e.activate(),e.getTextureUnit()},e.getNoiseTextureUnit=(e=0)=>0===e?(t.noiseTexture.activate(),t.noiseTexture.getTextureUnit()):(t.eeTexture.activate(),t.eeTexture.getTextureUnit()),e.getVectorTextureUnit=()=>(t.vectorTexture.activate(),t.vectorTexture.getTextureUnit()),e.getImageVectorTextureUnit=()=>t.imageVectorTexture?(t.imageVectorTexture.activate(),t.imageVectorTexture.getTextureUnit()):e.getVectorTextureUnit(),e.getMaskVectorTextureUnit=()=>t.maskVectorTexture?(t.maskVectorTexture.activate(),t.maskVectorTexture.getTextureUnit()):e.getImageVectorTextureUnit(),e.clearBuffers=(e=!1)=>{const n=t.framebuffer,r=t.context;n.removeColorBuffer(0),n.removeColorBuffer(1),n.removeColorBuffer(2),n.removeColorBuffer(3),n.setColorBuffer(t.licTexture0,0),n.setColorBuffer(t.seedTexture0,1),n.setColorBuffer(t.licTexture1,2),n.setColorBuffer(t.seedTexture1,3);const o=[r.COLOR_ATTACHMENT0,r.COLOR_ATTACHMENT1,r.COLOR_ATTACHMENT2,r.COLOR_ATTACHMENT3];e&&(n.removeColorBuffer(4),n.setColorBuffer(t.eeTexture,4),o.push(r.COLOR_ATTACHMENT4)),r.drawBuffers(o),r.clearColor(0,1,0,0),r.disable(r.SCISSOR_TEST),r.disable(r.BLEND),r.clear(r.COLOR_BUFFER_BIT),n.removeColorBuffer(0),n.removeColorBuffer(1),n.removeColorBuffer(2),n.removeColorBuffer(3),e&&n.removeColorBuffer(4),r.drawBuffers([r.NONE])},e.clearBuffer=e=>{const n=t.framebuffer,r=t.context;n.removeColorBuffer(0),n.setColorBuffer(e,0),r.drawBuffers([r.COLOR_ATTACHMENT0]),r.clearColor(0,1,0,0),r.disable(r.SCISSOR_TEST),r.disable(r.BLEND),r.clear(r.COLOR_BUFFER_BIT),n.removeColorBuffer(e,0),r.drawBuffers([r.NONE])},e.activateVectorTextures=()=>{t.imageVectorTexture?t.imageVectorTexture.activate():t.vectorTexture.activate(),t.maskVectorTexture&&t.maskVectorTexture.activate()},e.deactivateVectorTextures=()=>{t.imageVectorTexture?t.imageVectorTexture.deactivate():t.vectorTexture.deactivate(),t.maskVectorTexture&&t.maskVectorTexture.deactivate()},e.activateNoiseTexture=(e=0)=>{switch(e){case 0:t.noiseTexture.activate();break;case 1:t.eeTexture.activate();break;default:console.error("Wrong LIC pass number")}},e.deactivateNoiseTexture=(e=0)=>{switch(e){case 0:t.noiseTexture.deactivate();break;case 1:t.eeTexture.deactivate();break;default:console.error("Wrong LIC pass number")}},e.attachLICBuffers=()=>{const e=t.textures[t.readIndex],n=t.textures[1-t.readIndex],r=t.framebuffer,o=t.context;e[0].activate(),e[1].activate(),r.removeColorBuffer(0),r.removeColorBuffer(1),r.setColorBuffer(n[0],0),r.setColorBuffer(n[1],1),o.drawBuffers([o.COLOR_ATTACHMENT0,o.COLOR_ATTACHMENT1])},e.detachLICBuffers=()=>{const e=t.textures[t.readIndex],n=t.context,r=t.framebuffer;e[0].deactivate(),e[1].deactivate(),r.removeColorBuffer(0),r.removeColorBuffer(1),n.drawBuffers([n.NONE])},e.attachImageVectorBuffer=()=>{const e=t.framebuffer,n=t.context;t.vectorTexture.activate(),e.removeColorBuffer(0),e.setColorBuffer(t.imageVectorTexture,0),n.drawBuffers([n.COLOR_ATTACHMENT0])},e.detachImageVectorBuffer=()=>{const e=t.context,n=t.framebuffer;t.vectorTexture.deactivate(),n.removeColorBuffer(0),e.drawBuffers([e.NONE])},e.attachEEBuffer=()=>{t.textures[t.readIndex][0].activate(),t.framebuffer.removeColorBuffer(0),t.framebuffer.setColorBuffer(t.eeTexture,0);const e=t.context;e.drawBuffers([e.COLOR_ATTACHMENT0])},e.detachEEBuffer=()=>{const e=t.context;t.framebuffer.removeColorBuffer(0),e.drawBuffers([e.NONE]);t.textures[t.readIndex][0].deactivate()},e.detachBuffers=()=>{const e=t.context,n=t.framebuffer;n.removeColorBuffer(0),n.removeColorBuffer(1),e.drawBuffers([e.NONE]);const r=t.textures[t.readIndex],o=t.textures[1-t.readIndex];r[0]&&r[0].deactivate(),r[1]&&r[1].deactivate(),o[0]&&o[0].deactivate(),o[1]&&o[1].deactivate(),t.eeTexture&&t.eeTexture.deactivate(),t.noiseTexture&&t.noiseTexture.deactivate()},e.getWriteIndex=()=>1-t.readIndex,e.detachBuffers()):console.error("Pass renderwindow to ping pong manager")}const Ig={vectorTexture:null,maskVectorTexture:null,noiseTexture:null,doEEPass:!1,doVTPass:!1,readIndex:0,quad:null,lastProgramHash:null,framebuffer:null,size:null,pingTextures:[],pongTextures:[],textures:[]};function Og(e,t,n={}){Object.assign(t,Ig,n),ln.obj(e,t),ln.get(e,t,["readIndex"]),ln.setGet(e,t,["doEEPass","doVTPass","_openGLRenderWindow","vectorTexture","maskVectorTexture","noiseTexture","framebuffer","size"]),ln.moveToProtected(e,t,["openGLRenderWindow"]),wg(e,t)}var Rg={newInstance:ln.newInstance(Og,"vtkLICPingPongBufferManager"),extend:Og};const Mg=0,Dg=1,Eg=2,Vg=3,Lg=1;const Bg={shadersNeedBuild:!0,stepSize:1,numberOfSteps:10,enhancedLIC:!0,enhanceContrast:!1,lowContrastEnhancementFactor:0,highContrastEnhancementFactor:0,antiAlias:0,componentIds:[0,1],normalizeVectors:!0,maskThreshold:0,transformVectors:!0,bufs:null,isComposite:!0};function Fg(e,t,n={}){Object.assign(t,Bg,n),ln.obj(e,t),ln.setGet(e,t,["context","_openGLRenderWindow","nuberOfSteps","stepSize","normalizeVectors","maskThreshold","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","antiAlias","componentIds","isComposite"]),ln.moveToProtected(e,t,["openGLRenderWindow"]),function(e,t){function n(e,t){e.setUniformi("texLIC",t.getLICTextureUnit()),e.setUniformi("texSeedPts",t.getSeedTextureUnit())}function r(e,t,n){e.attachLICBuffers(),e.renderQuad(t,n),e.detachLICBuffers(),e.swap()}t.classHierarchy.push("vtkLineIntegralConvolution2D"),e.buildAShader=e=>t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(yg,e,""),e.dumpTextureValues=(e,[n,r],o=t.context,a=t._openGLRenderWindow,i=4)=>{const s=Fp.newInstance(),l=o;let c=null;return s.setOpenGLRenderWindow(a),s.saveCurrentBindingsAndBuffers(),s.create(n,r),s.populateFramebuffer(),s.setColorBuffer(e),c=new Float32Array(n*r*i),l.readPixels(0,0,n,r,4===i?l.RGBA:l.RGB,l.FLOAT,c),s.restorePreviousBindingsAndBuffers(),c},e.getTextureMinMax=(n,r,o=t.context,a=t._openGLRenderWindow)=>{const i=e.dumpTextureValues(n,r,o,a,4);let s=Number.MAX_VALUE,l=Number.MIN_VALUE;for(let e=0;e<i.length;e+=4)if(0===i[e+1]){const t=i[e];t<s&&(s=t),t>l&&(l=t)}return{min:s,max:l}},e.getComponentSelectionProgram=e=>{const t="xyzw";return`.${t[e[0]]}${t[e[1]]}`},e.buildShaders=()=>{t.LIC0ShaderProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n//  Program:   Visualization Toolkit\n//  Module:    vtkLineIntegralConvolution2D_LIC0.glsl\n//\n//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n//  All rights reserved.\n//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n//     This software is distributed WITHOUT ANY WARRANTY; without even\n//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n//     PURPOSE.  See the above copyright notice for more information.\n//\n//=========================================================================\n\n/**\nThis shader initializes the convolution for the LIC computation.\n*/\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texMaskVectors;\nuniform sampler2D texNoise;\nuniform sampler2D texLIC;\n\nuniform int   uStepNo;         // in step 0 initialize lic and seeds, else just seeds\nuniform int   uPassNo;         // in pass 1 hpf of pass 0 is convolved.\nuniform float uMaskThreshold;  // if |V| < uMaskThreshold render transparent\nuniform vec2  uNoiseBoundsPt1; // tc of upper right pt of noise texture\n\nin vec2 tcoordVC;\n\n// convert from vector coordinate space to noise coordinate space.\n// the noise texture is tiled across the *whole* domain\nvec2 VectorTCToNoiseTC(vec2 vectc)\n{\n  return vectc/uNoiseBoundsPt1;\n}\n\n// get the texture coordidnate to lookup noise value. this\n// depends on the pass number.\nvec2 getNoiseTC(vec2 vectc)\n{\n  // in pass 1 : convert from vector tc to noise tc\n  // in pass 2 : use vector tc\n  if (uPassNo == 0)\n    {\n    return VectorTCToNoiseTC(vectc);\n    }\n  else\n    {\n    return vectc;\n    }\n}\n\n// look up noise value at the given location. The location\n// is supplied in vector texture coordinates, hence the\n// need to convert to noise texture coordinates.\nfloat getNoise(vec2 vectc)\n{\n  return texture2D(texNoise, getNoiseTC(vectc)).r;\n}\n\nvoid main(void)\n{\n  vec2 vectc = tcoordVC.st;\n\n  // lic => (convolution, mask, 0, step count)\n  if (uStepNo == 0)\n    {\n    float maskCriteria = length(texture2D(texMaskVectors, vectc).xyz);\n    float maskFlag;\n    if (maskCriteria <= uMaskThreshold)\n      {\n      maskFlag = 1.0;\n      }\n    else\n      {\n      maskFlag = 0.0;\n      }\n    float noise = getNoise(vectc);\n    LICOutput = vec4(noise, maskFlag, 0.0, 1.0);\n    }\n  else\n    {\n    LICOutput = texture2D(texLIC, vectc);\n    }\n\n  // initial seed\n  SeedOutput = vec4(vectc, 0.0, 1.0);\n}\n");const n=gd.substitute("//VTK::System::Dec\n\n//=========================================================================\n//\n//  Program:   Visualization Toolkit\n//  Module:    vtkLineIntegralConvolution2D_VT.glsl\n//\n//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n//  All rights reserved.\n//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n//     This software is distributed WITHOUT ANY WARRANTY; without even\n//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n//     PURPOSE.  See the above copyright notice for more information.\n//\n//=========================================================================\n\n// move vector field to normalized image space\n// pre-processing for vtkLineIntegralConvolution2D\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Fragment shader used by the gaussian blur filter render pass.\n\nuniform sampler2D texVectors; // input texture\nuniform vec2      uTexSize;   // size of texture\n\nin vec2 tcoordVC;\n\nvoid main(void)\n{\n  //VTK::LICComponentSelection::Impl\n  V = V/uTexSize;\n  gl_FragData[0] = vec4(V, 0.0, 1.0);\n}\n","//VTK::LICComponentSelection::Impl",`vec2 V = texture2D(texVectors, tcoordVC.st)${e.getComponentSelectionProgram(t.componentIds)};`).result;t.VTProgram=e.buildAShader(n);const r=gd.substitute("//VTK::System::Dec\n\n//=========================================================================\n//\n//  Program:   Visualization Toolkit\n//  Module:    vtkLineIntegralConvolution2D_fs1.glsl\n//\n//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n//  All rights reserved.\n//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n//     This software is distributed WITHOUT ANY WARRANTY; without even\n//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n//     PURPOSE.  See the above copyright notice for more information.\n//\n//=========================================================================\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D  texVectors;\nuniform sampler2D  texNoise;\nuniform sampler2D  texLIC;\nuniform sampler2D  texSeedPts;\n\nuniform int   uPassNo;          // in pass 1 hpf of pass 0 is convolved.\nuniform float uStepSize;        // step size in parametric space\n\nuniform vec2  uNoiseBoundsPt1;  // tc of upper right pt of noise texture\n\nin vec2 tcoordVC;\n\n//VTK::LICVectorLookup::Impl\n\n// We need to do this manually since CLAMP_TO_BORDER and and borderColor\n// are very poorly supported in webgl\nvec2 clampToBorder(vec2 uv){\n  if(uv.x < 0.0 || uv.x > 1.0 || uv.y < 0.0 || uv.y > 1.0)\n  {\n    return vec2(0.0, 0.0);\n  }\n  return getVector(uv);\n}\n\n// convert from vector coordinate space to noise coordinate space.\n// the noise texture is tiled across the whole domain\nvec2 VectorTCToNoiseTC(vec2 vectc)\n{\n  return vectc/uNoiseBoundsPt1;\n}\n\n// get the texture coordidnate to lookup noise value.\n// in pass 1 repeatedly tile the noise texture across\n// the computational domain.\nvec2 getNoiseTC(vec2 tc)\n{\n  if (uPassNo == 0)\n    {\n    return VectorTCToNoiseTC(tc);\n    }\n  else\n    {\n    return tc;\n    }\n}\n\n// look up noise value at the given location. The location\n// is supplied in vector texture coordinates, hence the need\n// to convert to either noise or lic texture coordinates in\n// pass 1 and 2 respectively.\nfloat getNoise(vec2 vectc)\n{\n  return texture2D(texNoise, getNoiseTC(vectc)).r;\n}\n\n// fourth-order Runge-Kutta streamline integration\n// no bounds checks are made, therefore it's essential\n// to have the entire texture initialized to 0\n// and set clamp to border and have border color 0\n// an integer is set if the step was taken, keeping\n// an accurate step count is necessary to prevent\n// boundary artifacts. Don't count the step if\n// all vector lookups are identically 0. This is\n// a proxy for \"stepped outside valid domain\"\nvec2 rk4(vec2 pt0, float dt, out bool count)\n{\n  count=true;\n  float dtHalf = dt * 0.5;\n  vec2 pt1;\n\n  vec2 v0 = clampToBorder(pt0);\n  pt1 = pt0 + v0 * dtHalf;\n\n  vec2 v1 = clampToBorder(pt1);\n  pt1 = pt0 + v1 * dtHalf;\n\n  vec2 v2 = clampToBorder(pt1);\n  pt1 = pt0 + v2 * dt;\n\n  vec2 v3 = clampToBorder(pt1);\n  vec2 vSum = v0 + v1 + v1 + v2 + v2 + v3;\n\n  if (vSum == vec2(0.0, 0.0))\n    {\n      count = false;\n    }\n\n  pt1 = pt0 + (vSum) * (dt * (1.0/6.0));\n\n return pt1;\n}\n\nvoid main(void)\n{\n  vec2 lictc = tcoordVC.st;\n  vec4 lic = texture2D(texLIC, lictc);\n  vec2 pt0 = texture2D(texSeedPts, lictc).st;\n\n  bool count;\n  vec2 pt1 = rk4(pt0, uStepSize, count);\n\n  if (count)\n    {\n    // accumulate lic step\n    // (lic, mask, 0, step count)\n    float noise = getNoise(pt1);\n    LICOutput = vec4(lic.r + noise, lic.g, 0.0, lic.a + 1.0);\n    SeedOutput = vec4(pt1, 0.0, 1.0);\n    }\n  else\n    {\n    // keep existing values\n    LICOutput = lic;\n    SeedOutput = vec4(pt0, 0.0, 1.0);\n    }\n}\n","//VTK::LICVectorLookup::Impl",function(e=!0){return e?"\n    vec2 getVector( vec2 vectc )\n\n      {\n\n      vec2 V = texture2D( texVectors, vectc ).xy;\n\n      // normalize if |V| not 0\n\n      float lenV = length( V );\n\n      if ( lenV > 1.0e-8 )\n\n        {\n\n        return V/lenV;\n\n        }\n\n      else\n\n        {\n\n        return vec2( 0.0, 0.0 );\n\n        }\n\n      }\n\n    ":"\n    vec2 getVector( vec2 vectc )\n\n      {\n\n      return texture2D( texVectors, vectc ).xy;\n\n      }\n\n    "}(t.normalizeVectors),!0).result;t.LICIShaderProgram=e.buildAShader(r),t.LICNShaderProgram=e.buildAShader(" //VTK::System::Dec\n\n//=========================================================================\n//\n//  Program:   Visualization Toolkit\n//  Module:    vtkLineIntegralConvolution2D_LICN.glsl\n//\n//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n//  All rights reserved.\n//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n//     This software is distributed WITHOUT ANY WARRANTY; without even\n//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n//     PURPOSE.  See the above copyright notice for more information.\n//\n//=========================================================================\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\n/**\nThis shader finalizes the convolution for the LIC computation\napplying the normalization. eg. if box kernel is used the this\nis the number of steps taken.\n*/\n\nuniform sampler2D texLIC;\n\nin vec2 tcoordVC;\n\nvoid main(void)\n{\n  vec4 conv = texture2D(texLIC, tcoordVC.st);\n  conv.r = conv.r/conv.a;\n  // lic => (convolution, mask, 0, 1)\n  LICOutput = vec4(conv.rg , 0.0, 1.0);\n  SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n"),t.CEProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n//  Program:   Visualization Toolkit\n//  Module:    vtkLineIntegralConvolution2D_CE.glsl\n//\n//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n//  All rights reserved.\n//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n//     This software is distributed WITHOUT ANY WARRANTY; without even\n//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n//     PURPOSE.  See the above copyright notice for more information.\n//\n//=========================================================================\n\n// gray scale contrast enhance stage implemented via histogram stretching\n// if the min and max are tweaked it can generate out-of-range values\n// these will be clamped in 0 to 1\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\n\nuniform sampler2D texLIC;  // most recent lic pass\nuniform float uMin;        // min gray scale color value\nuniform float uMaxMinDiff; // max-min\n\nin vec2 tcoordVC;\n\nvoid main( void )\n{\n  vec4 lic = texture2D(texLIC, tcoordVC.st);\n  if (lic.g!=0.0)\n    {\n    LICOutput = lic;\n    }\n  else\n    {\n    float CElic = clamp((lic.r - uMin)/uMaxMinDiff, 0.0, 1.0);\n    LICOutput = vec4(CElic, lic.gb, 1.0);\n    }\n    SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n"),t.EEProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n//  Program:   Visualization Toolkit\n//  Module:    vtkLineIntegralConvolution2D_fs2.glsl\n//\n//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n//  All rights reserved.\n//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n//     This software is distributed WITHOUT ANY WARRANTY; without even\n//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n//     PURPOSE.  See the above copyright notice for more information.\n//\n//=========================================================================\n\n// high-pass filter stage employed by vtkLineIntegralConvolution2D\n// between LIC pass 1 and LIC pass 2. filtered LIC pass 1, becomes\n// noise for pass2.\n\n// the output of this shader\nlayout(location = 0) out vec4 EEOutput;\n\nuniform sampler2D texLIC; // most recent lic pass\nuniform float     uDx;    // fragment size\nuniform float     uDy;    // fragment size\n\nin vec2 tcoordVC;\n\n// kernel for simple laplace edge enhancement.\n// p=Laplace(p)+p\nfloat K[9] = float[9](\n  -1.0, -1.0, -1.0,\n  -1.0,  9.0, -1.0,\n  -1.0, -1.0, -1.0\n  );\n\n// determine if the fragment was masked\nbool Masked(float val) { return val != 0.0; }\n\nvoid main(void)\n{\n  // tex coord neighbor offsets\n  vec2 fragDx[9] = vec2[9](\n    vec2(-uDx, uDy), vec2(0.0, uDy), vec2(uDx, uDy),\n    vec2(-uDx, 0.0), vec2(0.0, 0.0), vec2(uDx, 0.0),\n    vec2(-uDx,-uDy), vec2(0.0,-uDy), vec2(uDx,-uDy)\n    );\n\n  vec2 lictc = tcoordVC.st;\n\n  // compute the convolution but don't use convovled values if\n  // any masked fragments on the stencil. Fragments outside\n  // the valid domain are masked during initialization, and\n  // texture wrap parameters are clamp to border with border\n  // color that contains masked flag\n  float conv = 0.0;\n  bool dontUse = false;\n  for (int i=0; i<9; ++i)\n    {\n    vec2 tc = lictc + fragDx[i];\n    vec4 lic = texture2D(texLIC, tc);\n    dontUse = dontUse || Masked(lic.g);\n    conv = conv + K[i] * lic.r;\n    }\n\n  if (dontUse)\n    {\n    EEOutput = vec4(texture2D(texLIC, lictc).rg, 0.0, 1.0);\n    }\n  else\n    {\n    conv = clamp(conv, 0.0, 1.0);\n    EEOutput = vec4(conv,texture2D(texLIC, lictc).g, 0.0, 1.0);\n    }\n\n}\n"),t.AAHProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n//  Program:   Visualization Toolkit\n//  Module:    vtkLineIntegralConvolution2D_AAH.glsl\n//\n//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n//  All rights reserved.\n//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n//     This software is distributed WITHOUT ANY WARRANTY; without even\n//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n//     PURPOSE.  See the above copyright notice for more information.\n//\n//=========================================================================\n\n// Anti-alias stage in vtkLineIntegralConvolution2D\n// horizontal pass of a Gaussian convolution\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texLIC; // input texture\nuniform float     uDx;    // fragment size\n\nin vec2 tcoordVC;\n\n// factored 3x3 Gaussian kernel\n// K^T*K = G\nfloat K[3] = float[3](0.141421356, 0.707106781, 0.141421356);\n\n// determine if the fragment was masked\nbool Masked(float val){ return val != 0.0; }\n\nvoid main(void)\n{\n// neighbor offsets\nvec2 fragDx[3] = vec2[3](vec2(-uDx,0.0), vec2(0.0,0.0), vec2(uDx,0.0));\n\n  vec2 lictc = tcoordVC.st;\n  vec4 lic[3];\n  bool dontUse = false;\n  float conv = 0.0;\n  for (int i=0; i<3; ++i)\n    {\n    vec2 tc = lictc + fragDx[i];\n    lic[i] = texture2D(texLIC, tc);\n    dontUse = dontUse || Masked(lic[i].g);\n    conv = conv + K[i] * lic[i].r;\n    }\n  // output is (conv, mask, skip, 1)\n  if (dontUse)\n    {\n    LICOutput = vec4(lic[1].rg, 1.0, 1.0);\n    }\n  else\n    {\n    LICOutput = vec4(conv, lic[1].gb, 1.0);\n    }\n  SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n"),t.AAVProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n//  Program:   Visualization Toolkit\n//  Module:    vtkLineIntegralConvolution2D_AAV.glsl\n//\n//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n//  All rights reserved.\n//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n//     This software is distributed WITHOUT ANY WARRANTY; without even\n//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n//     PURPOSE.  See the above copyright notice for more information.\n//\n//=========================================================================\n\n// Anti-alias stage in vtkLineIntegralConvolution2D\n// vertical pass of a Gaussian convolution\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texLIC; // input texture\nuniform float     uDy;    // fragment size\n\nin vec2 tcoordVC;\n\n\n// factored 3x3 Gaussian kernel\n// K^T*K = G\nfloat K[3] = float[3](0.141421356, 0.707106781, 0.141421356);\n\n// determine if the fragment was masked\nbool Masked(float val){ return val != 0.0; }\n\nvoid main(void)\n{\n// neighbor offsets\nvec2 fragDy[3] = vec2[3](vec2(0.0,-uDy), vec2(0.0,0.0), vec2(0.0,uDy));\n\n\n  vec2 lictc = tcoordVC.st;\n  vec4 lic[3];\n  bool dontUse = false;\n  float conv = 0.0;\n  for (int i=0; i<3; ++i)\n    {\n    vec2 tc = lictc + fragDy[i];\n    lic[i] = texture2D(texLIC, tc);\n    dontUse = dontUse || Masked(lic[i].g);\n    conv = conv + K[i] * lic[i].r;\n    }\n  // output is (conv, mask, skip, 1)\n  if (dontUse)\n    {\n    LICOutput = vec4(lic[1].rg, 1.0, 1.0);\n    }\n  else\n    {\n    LICOutput = vec4(conv, lic[1].gb, 1.0);\n    }\n  SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n")},e.executeLIC=(o,a,i,s,l,c)=>{if(t._openGLRenderWindow=l,t.context=l.getContext(),Object.assign(t,c),o[0]<=0||o[1]<=0)return null;const u=[1/o[0],1/o[1]];let d=t.stepSize*Math.sqrt(u[0]*u[0]+u[1]*u[1]);d<=0&&(d=1e-10);const p=t.context;let f=t.framebuffer;const g=f?.getSize();f&&g&&o[0]===g&&o[1]===g||(f=Fp.newInstance(),f.setOpenGLRenderWindow(t._openGLRenderWindow),f.saveCurrentBindingsAndBuffers(),f.create(...o),f.populateFramebuffer(),f.restorePreviousBindingsAndBuffers(),t.framebuffer=f),f.saveCurrentBindingsAndBuffers(),f.bind(),p.viewport(0,0,...o),p.scissor(0,0,...o),t.shadersNeedBuild&&(e.buildShaders(),t.shadersNeedBuild=!1),t.bufs?(t.bufs.setVectorTexture(a),t.bufs.setMaskVectorTexture(i),t.bufs.setNoiseTexture(s)):t.bufs=Rg.newInstance({openGLRenderWindow:l,doEEPass:t.enhancedLIC,doVTPass:t.transformVectors,vectorTexture:a,maskVectorTexture:i,noiseTexture:s,framebuffer:f,size:o});const m=[(s.getWidth()+1)/o[0],(s.getHeight()+1)/o[1]],h=1/o[0],v=1/o[1],T=t._openGLRenderWindow.getShaderCache();if(t.transformVectors){const e=t.VTProgram;T.readyShaderProgram(e),t.bufs.attachImageVectorBuffer(),e.setUniform2f("uTexSize",...o),e.setUniformi("texVectors",t.bufs.getVectorTextureUnit()),p.clearColor(0,0,0,0),p.clear(p.COLOR_BUFFER_BIT),t.bufs.renderQuad(o,e),t.bufs.detachImageVectorBuffer()}t.bufs.clearBuffers(t.enhancedLIC),t.bufs.activateVectorTextures(),t.bufs.activateNoiseTexture(0);const{LIC0ShaderProgram:x}=t;T.readyShaderProgram(x),x.setUniformi("uStepNo",0),x.setUniformi("uPassNo",0),x.setUniformf("uMaskThreshold",t.maskThreshold),x.setUniform2f("uNoiseBoundsPt1",...m),x.setUniformi("texMaskVectors",t.bufs.getMaskVectorTextureUnit()),x.setUniformi("texLIC",t.bufs.getLICTextureUnit()),x.setUniformi("texNoise",t.bufs.getNoiseTextureUnit(0)),r(t.bufs,o,x);const{LICIShaderProgram:b}=t;T.readyShaderProgram(b),b.setUniformi("uPassNo",0),b.setUniformf("uStepSize",-d),b.setUniform2f("uNoiseBoundsPt1",...m),b.setUniformi("texVectors",t.bufs.getImageVectorTextureUnit()),b.setUniformi("texNoise",t.bufs.getNoiseTextureUnit(0));for(let e=0;e<t.numberOfSteps;++e)n(b,t.bufs),r(t.bufs,o,b);T.readyShaderProgram(x),x.setUniformi("uStepNo",1),n(x,t.bufs),r(t.bufs,o,x),T.readyShaderProgram(b),b.setUniformf("uStepSize",d);for(let e=0;e<t.numberOfSteps;++e)n(b,t.bufs),r(t.bufs,o,b);t.bufs.deactivateNoiseTexture(0),t.bufs.deactivateVectorTextures();const{LICNShaderProgram:A}=t;if(T.readyShaderProgram(A),A.setUniformi("texLIC",t.bufs.getLICTextureUnit()),r(t.bufs,o,A),t.enhancedLIC){t.enhanceContrast!==Dg&&t.enhanceContrast!==Vg||e.contrastEnhance(!1,o),t.bufs.attachEEBuffer();const{EEProgram:a}=t;T.readyShaderProgram(a),a.setUniformi("texLIC",t.bufs.getLICTextureUnit()),a.setUniformf("uDx",h),a.setUniformf("uDy",v),t.bufs.renderQuad(o,a),t.bufs.detachEEBuffer(),t.bufs.detachBuffers(),t.bufs.clearBuffers(!1),t.bufs.activateVectorTextures(),t.bufs.activateNoiseTexture(1),T.readyShaderProgram(x),x.setUniformi("uStepNo",0),x.setUniformi("uPassNo",1),n(x,t.bufs),x.setUniformi("texNoise",t.bufs.getNoiseTextureUnit(1)),r(t.bufs,o,x),T.readyShaderProgram(b),b.setUniformi("uPassNo",1),b.setUniformf("uStepSize",-d),b.setUniformi("texNoise",t.bufs.getNoiseTextureUnit(1));const i=t.numberOfSteps/2;for(let e=0;e<i;++e)n(b,t.bufs),r(t.bufs,o,b);T.readyShaderProgram(x),x.setUniformi("uStepNo",1),n(x,t.bufs),r(t.bufs,o,x),T.readyShaderProgram(b),b.setUniformf("uStepSize",d);for(let e=0;e<i;++e)n(b,t.bufs),r(t.bufs,o,b);t.bufs.deactivateNoiseTexture(1),t.bufs.deactivateVectorTextures(),T.readyShaderProgram(A),A.setUniformi("texLIC",t.bufs.getLICTextureUnit()),A.setUniformi("texSeedPts",t.bufs.getSeedTextureUnit()),r(t.bufs,o,A)}if(t.antiAlias){const e=t.AAHProgram;T.readyShaderProgram(e),e.setUniformi("texLIC",t.bufs.getLICTextureUnit()),e.setUniformf("uDx",h);const a=t.AAVProgram;T.readyShaderProgram(a),a.setUniformi("texLIC",t.bufs.getLICTextureUnit()),a.setUniformf("uDy",v);for(let i=0;i<t.antiAlias;++i)T.readyShaderProgram(e),n(e,t.bufs),r(t.bufs,o,e),T.readyShaderProgram(a),n(a,t.bufs),r(t.bufs,o,a)}return t.enhanceContrast!==Dg&&t.enhanceContrast!==Vg||e.contrastEnhance(!0,o),t.bufs.detachBuffers(),f.restorePreviousBindingsAndBuffers(),t.bufs.getLastLICBuffer()},e.contrastEnhance=(n,o)=>{const a=t._openGLRenderWindow.getShaderCache();let{min:i,max:s}=e.getTextureMinMax(t.bufs.getLastLICBuffer(),o,t.context,t._openGLRenderWindow);(s<=i||s>1||i<0)&&(console.error("Invalid color range: ",i,s),i=0,s=1);let l=s-i;n&&(i+=l*t.lowLICContrastEnhancementFactor,s-=l*t.highLICContrastEnhancementFactor,l=s-i);const{CEProgram:c}=t;a.readyShaderProgram(c),c.setUniformi("texLIC",t.bufs.getLICTextureUnit()),c.setUniformf("uMin",i),c.setUniformf("uMaxMinDiff",l),r(t.bufs,o,c)}}(e,t)}var Ng={newInstance:ln.newInstance(Fg,"vtkLineIntegralConvolution2D"),extend:Fg};const kg={enableLIC:!1,nuberOfSteps:40,stepSize:.25,transformVectors:!0,normalizeVectors:!0,maskOnSurface:!1,maskThreshold:0,maskColor:[0,0,0],maskIntensity:0,enhancedLIC:!0,enhanceContrast:Mg,lowLICContrastEnhancementFactor:0,highLICContrastEnhancementFactor:0,lowColorContrastEnhancementFactor:0,highColorContrastEnhancementFactor:0,antiAlias:0,colorMode:0,LICIntensity:1,mapModeBias:0,noiseTextureSize:200,noiseTextureType:Lg,noiseGrainSize:8,noiseImpulseProbability:.1,noiseImpulseBackgroundValue:0,noiseGeneratorSeed:0,minNoiseValue:0,maxNoiseValue:1,numberOfNoiseLevels:2,shadersNeedBuilding:!0,reallocateTextures:!0,rebuildNoiseTexture:!1,viewPortScale:1};function Gg(e,t,n={}){Object.assign(t,kg,n),ln.obj(e,t),ln.setGet(e,t,["enableLIC","numberOfSteps","stepSize","normalizeVectors","transformVectors","maskOnSurface","maskThreshold","maskColor","maskIntensity","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","lowColorContrastEnhancementFactor","highColorContrastEnhancementFactor","antiAlias","colorMode","LICIntensity","mapModeBias","noiseTextureSize","noiseTextureType","noiseGrainSize","minNoiseValue","maxNoiseValue","numberOfNoiseLevels","noiseImpulseProbability","noiseImpulseBackgroundValue","noiseGeneratorSeed","viewPortScale","rebuildNoiseTexture"]),function(e,t){t.classHierarchy.push("vtkSurfaceLICInterface")}(0,t)}var Ug={newInstance:ln.newInstance(Gg,"vtkSurfaceLICInterface"),extend:Gg};const{Representation:_g}=ds;function Kg(e,t){t.classHierarchy.push("vtkOpenGLSurfaceLICInterface"),e.renderQuad=(e,n)=>{const r=t.licQuad,o=t.context;let a=t.licQuadVAO;a||(a=vd.newInstance(),a.setOpenGLRenderWindow(t._openGLRenderWindow),t.licQuadVAO=a),t.previousProgramHash!==n.getMd5Hash()&&(a.shaderProgramChanged(),r.getCABO().bind(),a.addAttributeArray(n,r.getCABO(),"vertexDC",r.getCABO().getVertexOffset(),r.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE),a.addAttributeArray(n,r.getCABO(),"tcoordDC",r.getCABO().getTCoordOffset(),r.getCABO().getStride(),t.context.FLOAT,2,t.context.FALSE),t.previousProgramHash=n.getMd5Hash()),o.drawArrays(o.TRIANGLES,0,r.getCABO().getElementCount()),a.release()},e.generateNoiseTexture=e=>{if(!t.noiseTexture||t.licInterface.getRebuildNoiseTexture()){t.licInterface.setRebuildNoiseTexture(!1),t.noiseTexture&&t.noiseTexture.releaseGraphicsResources(),ho(t.noiseGeneratorSeed,{global:!0});let n=[];const{noiseTextureType:r,noiseGrainSize:o,numberOfNoiseLevels:a,noiseImpulseProbability:i,noiseImpulseBackgroundValue:s,minNoiseValue:l,maxNoiseValue:c}=t.licInterface.get("noiseTextureType","noiseGrainSize","numberOfNoiseLevels","noiseImpulseProbability","noiseImpulseBackgroundValue","minNoiseValue","maxNoiseValue");if(r===Lg)n=function(e,t,n,r,o,a){const i=Math.max(0,Math.min(1,n)),s=Float32Array.from({length:e*e},(()=>{let e=0;if(1===i||Math.random()>1-i)for(let t=0;t<2048;++t)e+=Math.random();return e}));let l=0,c=2049;s.forEach((e=>{c=1===i?e<c?e:c:e<c&&e>0?e:c,l=e>l?e:l}));let u=l-c;0===u&&(c=0,u=0===l?1:l);const d=t-1,p=0!==d?1/d:0,f=a-o;return s.map((e=>{const n=e<c?e:(e-c)/u,i=Math.floor(n*t);return e>=c?1===t?a:o+(i>d?d:i)*p*f:r}))}(Math.floor(e/o),a,i,s,l,c);else n=function([e,t],n,r,o){const a=o-r;return Float32Array.from({length:e*t},(()=>{let e=Math.random();return e=Math.floor(e*n)/n,e=e*a+r,e>1?1:e<0?0:e}))}([Math.ceil(e/o),Math.ceil(e/o)],a,l,c);const u=1/o,d=Float32Array.from({length:e*e*4},((t,r)=>{const a=r/4;if(r%4==0){const t=Math.floor(a%e*u),r=Math.floor(a/e*u);return n[r*(e/o)+t]}return r%4==1||r%4==3?1:0})),p=Kd.newInstance({wrapS:Kd.Wrap.REPEAT,wrapT:Kd.Wrap.REPEAT,minificationFilter:Kd.Filter.NEAREST,magnificationFilter:Kd.Filter.NEAREST,generateMipMap:!1,openGLDataType:t.context.FLOAT,baseLevel:0,maxLevel:0,autoParameters:!1});p.setOpenGLRenderWindow(t._openGLRenderWindow),p.create2DFromRaw({width:e,height:e,numComps:4,dataType:"Float32Array",data:d}),p.activate(),p.sendParameters(),p.deactivate(),t.noiseTexture=p}},e.buildAShader=e=>t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(yg,e,""),e.allocateTextures=()=>{const n=Kd.Filter.NEAREST,r=Kd.Filter.LINEAR,o=t._openGLRenderWindow;t.geometryImage||(t.geometryImage=e.allocateTexture(o,n)),t.vectorImage||(t.vectorImage=e.allocateTexture(o,r)),t.maskVectorImage||(t.maskVectorImage=e.allocateTexture(o,r)),t.LICImage||(t.LICImage=e.allocateTexture(o,n)),t.RGBColorImage||(t.RGBColorImage=e.allocateTexture(o,n)),t.HSLColorImage||(t.HSLColorImage=e.allocateTexture(o,n)),t.depthTexture||(t.depthTexture=e.allocateDepthTexture(o))},e.allocateTexture=(e,n)=>{const r=t.context,o=Kd.newInstance({wrapS:Kd.Wrap.CLAMP_TO_EDGE,wrapT:Kd.Wrap.CLAMP_TO_EDGE,minificationFilter:n,magnificationFilter:n,generateMipmap:!1,openGLDataType:r.FLOAT,baseLevel:0,maxLevel:0,autoParameters:!1});return o.setOpenGLRenderWindow(e),o.setInternalFormat(r.RGBA32F),o.create2DFromRaw({width:t.size[0],height:t.size[1],numComps:4,dataType:"Float32Array",data:null}),o.activate(),o.sendParameters(),o.deactivate(),o},e.allocateDepthTexture=e=>{const n=t.context,r=Kd.newInstance({generateMipmap:!1,openGLDataType:n.FLOAT,autoParameters:!1});return r.setOpenGLRenderWindow(e),r.createDepthFromRaw({width:t.size[0],height:t.size[1],dataType:"Float32Array",data:null}),r.activate(),r.sendParameters(),r.deactivate(),r},e.createFBO=()=>{if(!t.framebuffer){t.licHelper=null;const e=Fp.newInstance();e.setOpenGLRenderWindow(t._openGLRenderWindow),e.saveCurrentBindingsAndBuffers(),e.create(...t.size),e.populateFramebuffer(),t.framebuffer=e,e.restorePreviousBindingsAndBuffers()}},e.completedGeometry=()=>{const e=t.context,n=t.framebuffer;n.removeColorBuffer(0),n.removeColorBuffer(1),n.removeColorBuffer(2),n.removeDepthBuffer(),e.drawBuffers([e.NONE]),n.restorePreviousBindingsAndBuffers()},e.buildAllShaders=()=>{t.shadersNeedBuilding&&(t.licColorPass=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n//  Program:   Visualization Toolkit\n//  Module:    vtkSurfaceLICMapper_fs2.glsl\n//\n//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n//  All rights reserved.\n//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n//     This software is distributed WITHOUT ANY WARRANTY; without even\n//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n//     PURPOSE.  See the above copyright notice for more information.\n//\n//=========================================================================\n\n// This shader combines surface geometry, LIC, and  scalar colors.\n\n// the output of this shader\nlayout(location = 0) out vec4 RGBOutput;\nlayout(location = 1) out vec4 HSLOutput;\n\nuniform sampler2D texVectors;       // vectors, depth\nuniform sampler2D texGeomColors;    // scalar colors + lighting\nuniform sampler2D texLIC;           // image lic\nuniform int       uScalarColorMode; // select between blend, and map shader\nuniform float     uLICIntensity;    // blend shader: blending factor for lic'd colors\nuniform float     uMapBias;         // map shader: adjust the brightness of the result\nuniform float     uMaskIntensity;   // blending factor for mask color\nuniform vec3      uMaskColor;       // color for the masked out fragments\n\nin vec2 tcoordVC;\n\n/**\nConvert from RGB color space into HSL colorspace.\n*/\nvec3 RGBToHSL(vec3 RGB)\n{\n  vec3 HSL = vec3(0.0, 0.0, 0.0);\n\n  float RGBMin = min(min(RGB.r, RGB.g), RGB.b);\n  float RGBMax = max(max(RGB.r, RGB.g), RGB.b);\n  float RGBMaxMinDiff = RGBMax - RGBMin;\n\n  HSL.z = (RGBMax + RGBMin) / 2.0;\n\n  if (RGBMaxMinDiff == 0.0)\n    {\n    // Gray scale\n    HSL.x = 0.0;\n    HSL.y = 0.0;\n    }\n  else\n    {\n    // Color\n    if (HSL.z < 0.5)\n      HSL.y = RGBMaxMinDiff / (RGBMax + RGBMin);\n    else\n      HSL.y = RGBMaxMinDiff / (2.0 - RGBMax - RGBMin);\n\n    float dR\n      = (((RGBMax - RGB.r) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;\n    float dG\n      = (((RGBMax - RGB.g) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;\n    float dB\n      = (((RGBMax - RGB.b) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;\n\n    if (RGB.r == RGBMax)\n      HSL.x = dB - dG;\n    else\n    if (RGB.g == RGBMax)\n      HSL.x = (1.0 / 3.0) + dR - dB;\n    else\n    if (RGB.b == RGBMax)\n      HSL.x = (2.0 / 3.0) + dG - dR;\n\n    if (HSL.x < 0.0)\n      HSL.x += 1.0;\n\n    if (HSL.x > 1.0)\n      HSL.x -= 1.0;\n    }\n\n  return HSL;\n}\n\n/**\nHelper for HSL to RGB conversion.\n*/\nfloat Util(float v1, float v2, float vH)\n{\n  if (vH < 0.0)\n    vH += 1.0;\n\n  if (vH > 1.0)\n     vH -= 1.0;\n\n  if ((6.0 * vH) < 1.0)\n    return (v1 + (v2 - v1) * 6.0 * vH);\n\n  if ((2.0 * vH) < 1.0)\n    return (v2);\n\n  if ((3.0 * vH) < 2.0)\n    return (v1 + (v2 - v1) * ((2.0 / 3.0) - vH) * 6.0);\n\n  return v1;\n}\n\n/**\nConvert from HSL space into RGB space.\n*/\nvec3 HSLToRGB(vec3 HSL)\n{\n  vec3 RGB;\n  if (HSL.y == 0.0)\n    {\n    // Gray\n    RGB.r = HSL.z;\n    RGB.g = HSL.z;\n    RGB.b = HSL.z;\n    }\n  else\n    {\n    // Chromatic\n    float v2;\n    if (HSL.z < 0.5)\n      v2 = HSL.z * (1.0 + HSL.y);\n    else\n      v2 = (HSL.z + HSL.y) - (HSL.y * HSL.z);\n\n    float v1 = 2.0 * HSL.z - v2;\n\n    RGB.r = Util(v1, v2, HSL.x + (1.0 / 3.0));\n    RGB.g = Util(v1, v2, HSL.x);\n    RGB.b = Util(v1, v2, HSL.x - (1.0 / 3.0));\n    }\n\n  return RGB.rgb;\n}\n\nvoid main()\n{\n  vec4 lic = texture2D(texLIC, tcoordVC.st);\n  vec4 geomColor = texture2D(texGeomColors, tcoordVC.st);\n\n  // depth is used to determine which fragment belong to us\n  // and we can change\n  float depth = texture2D(texVectors, tcoordVC.st).a;\n\n  vec3 fragColorRGB;\n  float valid;\n  if (depth > 1.0e-3)\n    {\n    // we own it\n    // shade LIC'ed geometry, or apply mask\n    if (lic.g!=0.0)\n      {\n      // it's masked\n      // apply fragment mask\n      fragColorRGB = uMaskIntensity * uMaskColor + (1.0 - uMaskIntensity) * geomColor.rgb;\n      valid = 0.0;\n      }\n    else\n      {\n      if (uScalarColorMode==0)\n        {\n        // blend with scalars\n        fragColorRGB = lic.rrr * uLICIntensity + geomColor.rgb * (1.0 - uLICIntensity);\n        }\n      else\n        {\n        // multiply with scalars\n        fragColorRGB = geomColor.rgb * clamp((uMapBias + lic.r), 0.0, 1.0);\n        }\n      if (lic.b != 0.0)\n        {\n        // didn't have the required guard pixels\n        // don't consider it in min max estimation\n        // for histpgram stretching\n        valid = 0.0;\n        }\n      else\n        {\n        // ok to use in min/max estimates for histogram\n        // stretching\n        valid = 1.0;\n        }\n      }\n    }\n  else\n    {\n    // we don't own it\n    // pass through scalars\n    fragColorRGB = geomColor.rgb;\n    valid = 0.0;\n    }\n\n  // if no further stages this texture is\n  // copied to the screen\n  RGBOutput = vec4(fragColorRGB, geomColor.a);\n\n  // if further stages, move to hsl space for contrast\n  // enhancement. encoding validity saves moving a texture to the cpu\n  vec3 fragColorHSL = RGBToHSL(fragColorRGB);\n  HSLOutput = vec4(fragColorHSL, valid);\n}\n"),t.licCopyPass=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n//  Program:   Visualization Toolkit\n//  Module:    vtkSurfaceLICMapper_DCpy.glsl\n//\n//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n//  All rights reserved.\n//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n//     This software is distributed WITHOUT ANY WARRANTY; without even\n//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n//     PURPOSE.  See the above copyright notice for more information.\n//\n//=========================================================================\n\n// This shader copies fragments and depths to the output buffer\n\n// the output of this shader\n//VTK::Output::Dec\n\nuniform sampler2D texDepth;     // z values from vertex shader\nuniform sampler2D texRGBColors; // final rgb LIC colors\n\nin vec2 tcoordVC;\n\nvoid main()\n{\n  gl_FragDepth = texture2D(texDepth, tcoordVC).x;\n  gl_FragData[0] = texture2D(texRGBColors, tcoordVC);\n\n  // since we render a screen aligned quad\n  // we're going to be writing fragments\n  // not touched by the original geometry\n  // it's critical not to modify those\n  // fragments.\n  if (gl_FragDepth == 1.0)\n    {\n    discard;\n    }\n}\n"),t.enhanceContrastPass=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n//  Program:   Visualization Toolkit\n//  Module:    vtkSurfaceLICMapper_CE.glsl\n//\n//  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n//  All rights reserved.\n//  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n//     This software is distributed WITHOUT ANY WARRANTY; without even\n//     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n//     PURPOSE.  See the above copyright notice for more information.\n//\n//=========================================================================\n\n// color contrast enhance stage implemented via histogram stretching\n// on lightness channel. if the min and max are tweaked it can generate\n// out-of-range values these will be clamped in 0 to 1\n\n// the output of this shader\n//VTK::Output::Dec\n\nuniform sampler2D texGeomColors; // scalars + lighting\nuniform sampler2D texLIC;        // image lic, mask\nuniform sampler2D texHSLColors;  // hsla colors\n\nuniform float     uLMin;         // min lightness over all fragments\nuniform float     uLMaxMinDiff;  // max - min lightness over all fragments\n\nin vec2 tcoordVC;\n\nvec3 HSLToRGB(vec3 HSL)\n{\n  vec3 RGB;\n  float v;\n  float h = HSL.x;\n  float sl = HSL.y;\n  float l = HSL.z;\n\n  v = (l <= 0.5) ? (l * (1.0 + sl)) : (l + sl - l * sl);\n  if (v <= 0.0) {\n    RGB = vec3(0.0,0.0,0.0);\n  } else {\n    float m;\n    int sextant;\n    float fract, vsf, mid1, mid2;\n\n    m = l + l - v;\n    h *= 6.0;\n    sextant = int(h);\n    fract = h - float(sextant);\n\n    vsf = (v - m) * fract;\n    mid1 = m + vsf;\n    mid2 = v - vsf;\n    switch (sextant) {\n      case 0: RGB.r = v; RGB.g = mid1; RGB.b = m; break;\n      case 1: RGB.r = mid2; RGB.g = v; RGB.b = m; break;\n      case 2: RGB.r = m; RGB.g = v; RGB.b = mid1; break;\n      case 3: RGB.r = m; RGB.g = mid2; RGB.b = v; break;\n      case 4: RGB.r = mid1; RGB.g = m; RGB.b = v; break;\n      case 5: RGB.r = v; RGB.g = m; RGB.b = mid2; break;\n    }\n  }\n  return RGB;\n}\n\nvoid main()\n{\n  // lookup hsl color , mask\n  vec4 fragColor = texture2D(texHSLColors, tcoordVC.st);\n\n  // don't modify masked fragments (masked => lic.g==1)\n  vec4 lic = texture2D(texLIC, tcoordVC.st);\n  if (lic.g==0.0)\n    {\n    // normalize lightness channel\n    fragColor.z = clamp((fragColor.z - uLMin)/uLMaxMinDiff, 0.0, 1.0);\n    }\n\n  // back into rgb space\n  fragColor.rgb = HSLToRGB(fragColor.xyz);\n\n  // add alpha\n  vec4 geomColor = texture2D(texGeomColors, tcoordVC.st);\n  fragColor.a = geomColor.a;\n\n  gl_FragData[0] = fragColor;\n}\n"),t.shadersNeedBuilding=!1)},e.initializeResources=()=>{e.createFBO(),e.generateNoiseTexture(t.licInterface.getNoiseTextureSize()),e.allocateTextures(),e.buildAllShaders(),t.licQuad||(t.licQuad=function(e){const t=Ad.newInstance();t.setOpenGLRenderWindow(e);const n=new Float32Array(12);for(let e=0;e<4;e++)n[3*e]=e%2*2-1,n[3*e+1]=e>1?1:-1,n[3*e+2]=0;const r=new Float32Array([0,0,1,0,0,1,1,1]),o=new Uint16Array(8);o[0]=3,o[1]=0,o[2]=1,o[3]=3,o[4]=3,o[5]=0,o[6]=3,o[7]=2;const a=Os.newInstance({numberOfComponents:3,values:n});a.setName("points");const i=Os.newInstance({numberOfComponents:1,values:o}),s=Os.newInstance({numberOfComponents:2,values:r});return t.getCABO().createVBO(i,"polys",_g.SURFACE,{points:a,cellOffset:0,tcoords:s}),t}(t._openGLRenderWindow)),t.licHelper||(t.licHelper=Ng.newInstance())},e.prepareForGeometry=()=>{const e=t.framebuffer;e.saveCurrentBindingsAndBuffers(),e.bind(),t.geometryImage.activate(),t.vectorImage.activate(),t.maskVectorImage.activate(),e.removeColorBuffer(0),e.removeColorBuffer(2),e.removeColorBuffer(3),e.setColorBuffer(t.geometryImage,0),e.setColorBuffer(t.vectorImage,2),e.setColorBuffer(t.maskVectorImage,3),e.setDepthBuffer(t.depthTexture);const n=t.context;n.drawBuffers([n.COLOR_ATTACHMENT0,n.NONE,n.COLOR_ATTACHMENT2,n.COLOR_ATTACHMENT3]),n.viewport(0,0,...t.size),n.scissor(0,0,...t.size),n.disable(n.BLEND),n.disable(n.DEPTH_TEST),n.disable(n.SCISSOR_TEST),n.clearColor(0,0,0,0),n.clear(n.DEPTH_BUFFER_BIT|n.COLOR_BUFFER_BIT)},e.copyToScreen=n=>{t.RGBColorImage.activate(),t.depthTexture.activate(),t.licCopyPass||e.initializeResources();const r=t.licCopyPass;t._openGLRenderWindow.getShaderCache().readyShaderProgram(r);const o=t.context;o.viewport(0,0,...n),o.scissor(0,0,...n),o.disable(o.BLEND),o.enable(o.DEPTH_TEST),o.disable(o.SCISSOR_TEST),r.setUniformi("texDepth",t.depthTexture.getTextureUnit()),r.setUniformi("texRGBColors",t.RGBColorImage.getTextureUnit()),e.renderQuad(n,r),t.RGBColorImage.deactivate(),t.depthTexture.deactivate()},e.combineColorsAndLIC=()=>{const n=t.context,r=t.framebuffer;r.saveCurrentBindingsAndBuffers(),r.bind(),r.create(...t.size),r.removeColorBuffer(0),r.removeColorBuffer(1),r.setColorBuffer(t.RGBColorImage,0),r.setColorBuffer(t.HSLColorImage,1),n.drawBuffers([n.COLOR_ATTACHMENT0,n.COLOR_ATTACHMENT1]),n.disable(n.DEPTH_TEST),n.clearColor(0,0,0,0),n.clear(n.COLOR_BUFFER_BIT),t.vectorImage.activate(),t.geometryImage.activate(),t.LICImage.activate(),t.licColorPass||e.initializeResources();const o=t.licColorPass;t._openGLRenderWindow.getShaderCache().readyShaderProgram(o),o.setUniformi("texVectors",t.vectorImage.getTextureUnit()),o.setUniformi("texGeomColors",t.geometryImage.getTextureUnit());const{colorMode:a,LICIntensity:i,mapModeBias:s,maskIntensity:l,maskColor:c,enhanceContrast:u,lowColorContrastEnhancementFactor:d,highColorContrastEnhancementFactor:p}=t.licInterface.get("colorMode","LICIntensity","mapModeBias","maskIntensity","maskColor","enhanceContrast","lowColorContrastEnhancementFactor","highColorContrastEnhancementFactor");if(o.setUniformi("texLIC",t.LICImage.getTextureUnit()),o.setUniformi("uScalarColorMode",a),o.setUniformf("uLICIntensity",i),o.setUniformf("uMapBias",s),o.setUniformf("uMaskIntensity",l),o.setUniform3f("uMaskColor",...c),e.renderQuad(t.size,o),t.vectorImage.deactivate(),t.geometryImage.deactivate(),t.LICImage.deactivate(),r.removeColorBuffer(0),r.removeColorBuffer(1),n.drawBuffers([n.NONE]),u===Eg||u===Vg){let o=0,a=1,i=a-o;o+=i*d,a-=i*p,i=a-o,r.setColorBuffer(t.RGBColorImage),n.drawBuffers([n.COLOR_ATTACHMENT0]),t.geometryImage.activate(),t.HSLColorImage.activate(),t.LICImage.activate(),t.enhanceContrastPass||e.initializeResources();const{enhanceContrastPass:s}=t;t._openGLRenderWindow.getShaderCache().readyShaderProgram(s),s.setUniformi("texGeomColors",t.geometryImage.getTextureUnit()),s.setUniformi("texHSLColors",t.HSLColorImage.getTextureUnit()),s.setUniformi("texLIC",t.LICImage.getTextureUnit()),s.setUniformf("uLMin",o),s.setUniformf("uLMaxMinDiff",i),e.renderQuad(t.size,s),t.geometryImage.deactivate(),t.HSLColorImage.deactivate(),t.LICImage.deactivate(),r.removeColorBuffer(0),n.drawBuffers([n.NONE])}r.restorePreviousBindingsAndBuffers()},e.applyLIC=()=>{const e=t.licInterface.get("stepSize","numberOfSteps","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","antiAlias","normalizeVectors","maskThreshold","transformVectors"),n=t.licHelper.executeLIC(t.size,t.vectorImage,t.maskVectorImage,t.noiseTexture,t._openGLRenderWindow,e);if(!n)return console.error("Failed to compute image LIC"),void(t.LICImage=null);t.LICImage=n},e.setSize=n=>{Array.isArray(n)&&2===n.length&&(t.size&&t.size[0]===n[0]&&t.size[1]===n[1]||(t.size=n,e.releaseGraphicsResources()))},e.releaseGraphicsResources=()=>{t.geometryImage&&(t.geometryImage.releaseGraphicsResources(),t.geometryImage=null),t.vectorImage&&(t.vectorImage.releaseGraphicsResources(),t.vectorImage=null),t.maskVectorImage&&(t.maskVectorImage.releaseGraphicsResources(),t.maskVectorImage=null),t.LICImage&&(t.LICImage.releaseGraphicsResources(),t.LICImage=null),t.RGBColorImage&&(t.RGBColorImage.releaseGraphicsResources(),t.RGBColorImage=null),t.HSLColorImage&&(t.HSLColorImage.releaseGraphicsResources(),t.HSLColorImage=null),t.depthTexture&&(t.depthTexture.releaseGraphicsResources(),t.depthTexture=null),t.framebuffer&&(t.framebuffer.releaseGraphicsResources(),t.framebuffer=null)}}const zg={context:null,shadersNeedBuilding:!0,reallocateTextures:!0,size:null,licInterface:null};function Wg(e,t,n={}){Object.assign(t,zg,n),Ug.extend(e,t,n),ln.obj(e,t),ln.setGet(e,t,["context","_openGLRenderWindow","reallocateTextures","licInterface","size"]),ln.moveToProtected(e,t,["openGLRenderWindow"]),Kg(e,t)}var Hg={newInstance:ln.newInstance(Wg,"vtkSurfaceLICInterface"),extend:Wg};const{vtkErrorMacro:jg}=cn;const Xg={canDrawLIC:!1,rebuildLICShaders:!1,rebuildLICBuffers:!1,openGLLicInterface:null};const qg=qt((function(e,t,n={}){Object.assign(t,Xg,n),sp.extend(e,t,n),function(e,t){t.classHierarchy.push("vtkOpenGLSurfaceLICMapper");const n={...e};e.getNeedToRebuildShaders=(e,r,o)=>t.rebuildLICShaders||n.getNeedToRebuildShaders(e,r,o),e.replaceShaderValues=(e,r,o)=>{const a=t.lastBoundBO.getReferenceByName("lastLightComplexity");let i=e.Vertex,s=e.Fragment;const l=t.renderable.getInputArrayToProcess(0);if(l&&t.canDrawLIC){s=gd.substitute(s,"//VTK::Output::Dec",["//VTK::Output::Dec","layout(location = 2) out vec4 vectorTexture;","layout(location = 3) out vec4 maskVectorTexture;"]).result;const n=`${l.getName()}MC`;0===a&&t.lastBoundBO.set({lastLightComplexity:1},!0),i=gd.substitute(i,"//VTK::TCoord::Dec",[`attribute vec3 ${n};`,"out vec3 licOutput;","//VTK::TCoord::Dec"]).result,i=gd.substitute(i,"//VTK::TCoord::Impl",[`licOutput = ${n};`,"//VTK::TCoord::Impl"]).result,s=gd.substitute(s,"//VTK::TCoord::Dec",["uniform int uMaskOnSurface;","uniform mat3 normalMatrix;","in vec3 licOutput;","//VTK::TCoord::Dec"]).result,s=gd.substitute(s,"//VTK::TCoord::Impl",["// projected vectors","  vec3 tcoordLIC = normalMatrix * licOutput;","  vec3 normN = normalize(normalVCVSOutput);","  float k = dot(tcoordLIC, normN);","  vec3 projected = (tcoordLIC - k*normN);","  vectorTexture = vec4(projected.x, projected.y, 0.0 , 1.0);","// vectors for fragment masking","  if (uMaskOnSurface == 0)","    {","    maskVectorTexture = vec4(licOutput, 1.0);","    }","  else","    {","    maskVectorTexture = vec4(projected.x, projected.y, 0.0 , 1.0);","    }","//VTK::TCoord::Impl"],!1).result,e.Vertex=i}t.rebuildLICShaders=!1,e.Fragment=s,n.replaceShaderValues(e,r,o),a>0&&t.lastBoundBO.set({lastLightComplexity:a},!0)},e.setMapperShaderParameters=(e,r,o)=>{n.setMapperShaderParameters(e,r,o),t.canDrawLIC&&e.getProgram().setUniformi("uMaskOnSurface",t.maskOnSurface)},e.getNeedToRebuildBufferObjects=(e,r)=>t.rebuildLICBuffers||n.getNeedToRebuildBufferObjects(e,r),e.buildBufferObjects=(e,r)=>{if(t.canDrawLIC){const e=t.renderable.getInputArrayToProcess(0);e&&e.getNumberOfComponents()>1&&t.renderable.setCustomShaderAttributes([e.getName()])}t.rebuildLICBuffers=!1,n.buildBufferObjects(e,r)},e.pushState=e=>{t.stateCache={[e.BLEND]:e.isEnabled(e.BLEND),[e.DEPTH_TEST]:e.isEnabled(e.DEPTH_TEST),[e.SCISSOR_TEST]:e.isEnabled(e.SCISSOR_TEST),[e.CULL_FACE]:e.isEnabled(e.CULL_FACE)}},e.popState=e=>{const n=n=>t.stateCache[n]?e.enable(n):e.disable(n);n(e.BLEND),n(e.DEPTH_TEST),n(e.SCISSOR_TEST),n(e.CULL_FACE)},e.renderPiece=(r,o)=>{let a=!0;t._openGLRenderWindow.getWebgl2()||(jg("SurfaceLICMapper Requires WebGL 2"),a=!1),t.context.getExtension("EXT_color_buffer_float")&&t.context.getExtension("OES_texture_float_linear")||(jg("SurfaceLICMapper requires the EXT_color_buffer_float and OES_texture_float_linear WebGL2 extensions."),a=!1),t.currentInput=t.renderable.getInputData(),t.currentInput||(jg("No input"),a=!1);let i=t.renderable.getLicInterface();i||(i=Ug.newInstance(),t.renderable.setLicInterface(i)),t.openGLLicInterface||(t.openGLLicInterface=Hg.newInstance()),i!==t.openGLLicInterface.getLicInterface()&&t.openGLLicInterface.setLicInterface(i);const s=t.renderable.getInputArrayToProcess(0);if(i.getEnableLIC()&&(!s||s.getNumberOfComponents()<2)&&(jg("No vector input array"),a=!1),i.getEnableLIC()||(a=!1),t.canDrawLIC!==a&&(t.rebuildLICShaders=!0,t.rebuildLICBuffers=!0),t.canDrawLIC=a,!a||!i.getEnableLIC())return void n.renderPiece(r,o);const l=t.context,c=o.getProperty().getBackfaceCulling(),u=o.getProperty().getFrontfaceCulling();c||u?u?(t._openGLRenderWindow.enableCullFace(),l.cullFace(l.FRONT)):(t._openGLRenderWindow.enableCullFace(),l.cullFace(l.BACK)):t._openGLRenderWindow.disableCullFace();const d=t._openGLRenderWindow.getSize(),p=d.map((e=>Math.round(e*i.getViewPortScale())));t.openGLLicInterface.setSize(p),t.openGLLicInterface.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLLicInterface.setContext(t.context),e.pushState(t.context),t.openGLLicInterface.initializeResources(),t.openGLLicInterface.prepareForGeometry(),e.popState(t.context),n.renderPieceStart(r,o),n.renderPieceDraw(r,o),n.renderPieceFinish(r,o),e.pushState(t.context),t.VBOBuildTime.modified(),t.openGLLicInterface.completedGeometry(),t.context.disable(t.context.CULL_FACE),t.openGLLicInterface.applyLIC(),t.openGLLicInterface.combineColorsAndLIC(),t.openGLLicInterface.copyToScreen(d),e.popState(t.context)}}(e,t),Ut(e,t,["openGLLicInterface"])}),"vtkOpenGLSurfaceLICMapper");Tn("vtkSurfaceLICMapper",qg);const{vtkErrorMacro:Yg}=cn;const Jg={};const Zg=qt((function(e,t,n={}){Object.assign(t,Jg,n),sp.extend(e,t,n),function(e,t){t.classHierarchy.push("vtkOpenGLSphereMapper");const n={...e};e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n  Program:   Visualization Toolkit\n  Module:    vtkSphereMapperVS.glsl\n\n  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n  All rights reserved.\n  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n     This software is distributed WITHOUT ANY WARRANTY; without even\n     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n     PURPOSE.  See the above copyright notice for more information.\n\n=========================================================================*/\n// this shader implements imposters in OpenGL for Spheres\n\nattribute vec4 vertexMC;\nattribute vec2 offsetMC;\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n//VTK::Picking::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\nuniform mat3 normalMatrix; // transform model coordinate directions to view coordinates\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvarying vec4 vertexVCVSOutput;\nvarying float radiusVCVSOutput;\nvarying vec3 centerVCVSOutput;\n\nuniform int cameraParallel;\nuniform float scaleFactor;\n\nvoid main()\n{\n  //VTK::Picking::Impl\n\n  //VTK::Color::Impl\n\n  //VTK::Normal::Impl\n\n  //VTK::TCoord::Impl\n\n  //VTK::Clip::Impl\n\n  // compute the projected vertex position\n  vec2 scaledOffsetMC = scaleFactor * offsetMC;\n  vertexVCVSOutput = MCVCMatrix * vertexMC;\n  centerVCVSOutput = vertexVCVSOutput.xyz;\n  radiusVCVSOutput = length(scaledOffsetMC)*0.5;\n\n  // make the triangle face the camera\n  if (cameraParallel == 0)\n    {\n    vec3 dir = normalize(-vertexVCVSOutput.xyz);\n    vec3 base2 = normalize(cross(dir,vec3(1.0,0.0,0.0)));\n    vec3 base1 = cross(base2,dir);\n    vertexVCVSOutput.xyz = vertexVCVSOutput.xyz + scaledOffsetMC.x*base1 + scaledOffsetMC.y*base2;\n    }\n  else\n    {\n    // add in the offset\n    vertexVCVSOutput.xy = vertexVCVSOutput.xy + scaledOffsetMC;\n    }\n\n  gl_Position = VCPCMatrix * vertexVCVSOutput;\n}\n",e.Fragment=Wd,e.Geometry=""},e.replaceShaderValues=(e,r,o)=>{let a=e.Vertex,i=e.Fragment;a=gd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 VCPCMatrix;\n","uniform mat4 MCVCMatrix;"]).result,i=gd.substitute(i,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,i=gd.substitute(i,"//VTK::PositionVC::Impl",["vec4 vertexVC = vertexVCVSOutput;\n"]).result,i=gd.substitute(i,"//VTK::Normal::Dec",["uniform float invertedDepth;\n","uniform int cameraParallel;\n","varying float radiusVCVSOutput;\n","varying vec3 centerVCVSOutput;\n","uniform mat4 VCPCMatrix;\n"]).result;let s="";t.context.getExtension("EXT_frag_depth")&&(s="gl_FragDepthEXT = (pos.z / pos.w + 1.0) / 2.0;\n"),t._openGLRenderWindow.getWebgl2()&&(s="gl_FragDepth = (pos.z / pos.w + 1.0) / 2.0;\n"),i=gd.substitute(i,"//VTK::Depth::Impl",["  vec3 EyePos;\n","  vec3 EyeDir;\n","  if (cameraParallel != 0) {\n","    EyePos = vec3(vertexVC.x, vertexVC.y, vertexVC.z + 3.0*radiusVCVSOutput);\n","    EyeDir = vec3(0.0,0.0,-1.0); }\n","  else {\n","    EyeDir = vertexVC.xyz;\n","    EyePos = vec3(0.0,0.0,0.0);\n","    float lengthED = length(EyeDir);\n","    EyeDir = normalize(EyeDir);\n","    if (lengthED > radiusVCVSOutput*3.0) {\n","      EyePos = vertexVC.xyz - EyeDir*3.0*radiusVCVSOutput; }\n","    }\n","  EyePos = EyePos - centerVCVSOutput;\n","  EyePos = EyePos/radiusVCVSOutput;\n","  float b = 2.0*dot(EyePos,EyeDir);\n","  float c = dot(EyePos,EyePos) - 1.0;\n","  float d = b*b - 4.0*c;\n","  vec3 normalVCVSOutput = vec3(0.0,0.0,1.0);\n","  if (d < 0.0) { discard; }\n","  else {\n","    float t = (-b - invertedDepth*sqrt(d))*0.5;\n","    normalVCVSOutput = invertedDepth*normalize(EyePos + t*EyeDir);\n","    vertexVC.xyz = normalVCVSOutput*radiusVCVSOutput + centerVCVSOutput;\n","    }\n","  vec4 pos = VCPCMatrix * vertexVC;\n",s]).result,i=gd.substitute(i,"//VTK::Normal::Impl","").result,t.haveSeenDepthRequest&&(i=gd.substitute(i,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float computedZ = (pos.z / pos.w + 1.0) / 2.0;","float iz = floor(computedZ * 65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),e.Vertex=a,e.Fragment=i,n.replaceShaderValues(e,r,o)},e.setMapperShaderParameters=(e,r,o)=>{if(e.getCABO().getElementCount()&&(t.VBOBuildTime>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime())&&e.getProgram().isAttributeUsed("offsetMC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"offsetMC",12,e.getCABO().getStride(),t.context.FLOAT,2,!1)||Yg("Error setting 'offsetMC' in shader VAO.")),e.getProgram().isUniformUsed("invertedDepth")&&e.getProgram().setUniformf("invertedDepth",t.invert?-1:1),e.getProgram().isUniformUsed("scaleFactor")){const n=t.currentInput.getPointData();null!=t.renderable.getScaleArray()&&n.hasArray(t.renderable.getScaleArray())?e.getProgram().setUniformf("scaleFactor",t.renderable.getScaleFactor()):e.getProgram().setUniformf("scaleFactor",1)}n.setMapperShaderParameters(e,r,o)},e.setCameraShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=n.getActiveCamera(),i=t.openGLCamera.getKeyMatrices(n);o.isUniformUsed("VCPCMatrix")&&o.setUniformMatrix("VCPCMatrix",i.vcpc);const s=new Float64Array(16);if(o.isUniformUsed("MCVCMatrix"))if(r.getIsIdentity())T(s,i.wcvc),e.getCABO().getCoordShiftAndScaleEnabled()&&y(s,s,e.getCABO().getInverseShiftAndScaleMatrix()),o.setUniformMatrix("MCVCMatrix",s);else{const n=t.openGLActor.getKeyMatrices();y(s,i.wcvc,n.mcwc),e.getCABO().getCoordShiftAndScaleEnabled()&&y(s,s,e.getCABO().getInverseShiftAndScaleMatrix()),o.setUniformMatrix("MCVCMatrix",s)}o.isUniformUsed("cameraParallel")&&e.getProgram().setUniformi("cameraParallel",a.getParallelProjection())},e.getOpenGLMode=(e,n)=>t.context.TRIANGLES,e.buildBufferObjects=(e,n)=>{const r=t.currentInput;if(null===r)return;t.renderable.mapScalars(r,1);const o=t.renderable.getColorMapColors(),a=t.primitives[t.primTypes.Tris].getCABO(),i=r.getPointData(),s=r.getPoints(),l=s.getNumberOfPoints(),c=s.getData();let u=null;null!=t.renderable.getScaleArray()&&i.hasArray(t.renderable.getScaleArray())&&(u=i.getArray(t.renderable.getScaleArray()).getData());let d=null,p=0,f=null;o?(p=o.getNumberOfComponents(),a.setColorOffset(0),a.setColorBOStride(4),d=o.getData(),f=new Uint8Array(3*l*4),a.getColorBO()||a.setColorBO($u.newInstance()),a.getColorBO().setOpenGLRenderWindow(t._openGLRenderWindow)):a.getColorBO()&&a.setColorBO(null),a.setColorComponents(p);const g=new Float32Array(5*l*3);a.setStride(20);const m=Math.cos(Io(30));let h=0,v=0;const{useShiftAndScale:T,coordShift:x,coordScale:b}=ed(s);T&&a.setCoordShiftAndScale(x,b);let A=0,y=0;for(let e=0;e<l;++e){let n=t.renderable.getRadius();u&&(n=u[e]),h=3*e;const r=(c[h++]-x[0])*b[0],o=(c[h++]-x[1])*b[1],a=(c[h++]-x[2])*b[2];g[A++]=r,g[A++]=o,g[A++]=a,g[A++]=-2*n*m,g[A++]=-n,d&&(v=e*p,f[y++]=d[v],f[y++]=d[v+1],f[y++]=d[v+2],f[y++]=d[v+3]),g[A++]=r,g[A++]=o,g[A++]=a,g[A++]=2*n*m,g[A++]=-n,d&&(f[y++]=d[v],f[y++]=d[v+1],f[y++]=d[v+2],f[y++]=d[v+3]),g[A++]=r,g[A++]=o,g[A++]=a,g[A++]=0,g[A++]=2*n,d&&(f[y++]=d[v],f[y++]=d[v+1],f[y++]=d[v+2],f[y++]=d[v+3])}a.setElementCount(A/5),a.upload(g,qu.ARRAY_BUFFER),o&&a.getColorBO().upload(f,qu.ARRAY_BUFFER),t.VBOBuildTime.modified()}}(e,t)}),"vtkOpenGLSphereMapper");Tn("vtkSphereMapper",Zg);const{vtkErrorMacro:Qg}=cn;const $g={};const em=qt((function(e,t,n={}){Object.assign(t,$g,n),sp.extend(e,t,n),function(e,t){t.classHierarchy.push("vtkOpenGLStickMapper");const n={...e};e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n  Program:   Visualization Toolkit\n  Module:    vtkStickMapperVS.glsl\n\n  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n  All rights reserved.\n  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n     This software is distributed WITHOUT ANY WARRANTY; without even\n     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n     PURPOSE.  See the above copyright notice for more information.\n\n=========================================================================*/\n// this shader implements imposters in OpenGL for Sticks\n\nattribute vec4 vertexMC;\nattribute vec3 orientMC;\nattribute vec4 offsetMC;\nattribute float radiusMC;\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n//VTK::Picking::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\nuniform mat3 normalMatrix; // transform model coordinate directions to view coordinates\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvarying vec4 vertexVCVSOutput;\nvarying float radiusVCVSOutput;\nvarying float lengthVCVSOutput;\nvarying vec3 centerVCVSOutput;\nvarying vec3 orientVCVSOutput;\n\nuniform int cameraParallel;\n\nvoid main()\n{\n  //VTK::Picking::Impl\n\n  //VTK::Color::Impl\n\n  //VTK::Normal::Impl\n\n  //VTK::TCoord::Impl\n\n  //VTK::Clip::Impl\n\n  vertexVCVSOutput = MCVCMatrix * vertexMC;\n  centerVCVSOutput = vertexVCVSOutput.xyz;\n  radiusVCVSOutput = radiusMC;\n  lengthVCVSOutput = length(orientMC);\n  orientVCVSOutput = normalMatrix * normalize(orientMC);\n\n  // make sure it is pointing out of the screen\n  if (orientVCVSOutput.z < 0.0)\n    {\n    orientVCVSOutput = -orientVCVSOutput;\n    }\n\n  // make the basis\n  vec3 xbase;\n  vec3 ybase;\n  vec3 dir = vec3(0.0,0.0,1.0);\n  if (cameraParallel == 0)\n    {\n    dir = normalize(-vertexVCVSOutput.xyz);\n    }\n  if (abs(dot(dir,orientVCVSOutput)) == 1.0)\n    {\n    xbase = normalize(cross(vec3(0.0,1.0,0.0),orientVCVSOutput));\n    ybase = cross(xbase,orientVCVSOutput);\n    }\n  else\n    {\n    xbase = normalize(cross(orientVCVSOutput,dir));\n    ybase = cross(orientVCVSOutput,xbase);\n    }\n\n  vec3 offsets = offsetMC.xyz*2.0-1.0;\n  vertexVCVSOutput.xyz = vertexVCVSOutput.xyz +\n    radiusVCVSOutput*offsets.x*xbase +\n    radiusVCVSOutput*offsets.y*ybase +\n    0.5*lengthVCVSOutput*offsets.z*orientVCVSOutput;\n\n  gl_Position = VCPCMatrix * vertexVCVSOutput;\n}\n",e.Fragment=Wd,e.Geometry=""},e.replaceShaderValues=(e,r,o)=>{let a=e.Vertex,i=e.Fragment;a=gd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 VCPCMatrix;\n","uniform mat4 MCVCMatrix;"]).result,i=gd.substitute(i,"//VTK::PositionVC::Dec","varying vec4 vertexVCVSOutput;").result,i=gd.substitute(i,"//VTK::PositionVC::Impl","  vec4 vertexVC = vertexVCVSOutput;\n").result,i=gd.substitute(i,"//VTK::Normal::Dec",["uniform int cameraParallel;\n","varying float radiusVCVSOutput;\n","varying vec3 orientVCVSOutput;\n","varying float lengthVCVSOutput;\n","varying vec3 centerVCVSOutput;\n","uniform mat4 VCPCMatrix;\n"]).result;let s="";t.context.getExtension("EXT_frag_depth")&&(s="  gl_FragDepthEXT = (pos.z / pos.w + 1.0) / 2.0;\n"),t._openGLRenderWindow.getWebgl2()&&(s="gl_FragDepth = (pos.z / pos.w + 1.0) / 2.0;\n"),i=gd.substitute(i,"//VTK::Depth::Impl",["  vec3 EyePos;\n","  vec3 EyeDir;\n","  if (cameraParallel != 0) {\n","    EyePos = vec3(vertexVC.x, vertexVC.y, vertexVC.z + 3.0*radiusVCVSOutput);\n","    EyeDir = vec3(0.0,0.0,-1.0); }\n","  else {\n","    EyeDir = vertexVC.xyz;\n","    EyePos = vec3(0.0,0.0,0.0);\n","    float lengthED = length(EyeDir);\n","    EyeDir = normalize(EyeDir);\n","    if (lengthED > radiusVCVSOutput*3.0) {\n","      EyePos = vertexVC.xyz - EyeDir*3.0*radiusVCVSOutput; }\n","    }\n","  EyePos = EyePos - centerVCVSOutput;\n","  vec3 base1;\n","  if (abs(orientVCVSOutput.z) < 0.99) {\n","    base1 = normalize(cross(orientVCVSOutput,vec3(0.0,0.0,1.0))); }\n","  else {\n","    base1 = normalize(cross(orientVCVSOutput,vec3(0.0,1.0,0.0))); }\n","  vec3 base2 = cross(orientVCVSOutput,base1);\n","  EyePos = vec3(dot(EyePos,base1),dot(EyePos,base2),dot(EyePos,orientVCVSOutput));\n","  EyeDir = vec3(dot(EyeDir,base1),dot(EyeDir,base2),dot(EyeDir,orientVCVSOutput));\n","  EyePos = EyePos/radiusVCVSOutput;\n","  float a = EyeDir.x*EyeDir.x + EyeDir.y*EyeDir.y;\n","  float b = 2.0*(EyePos.x*EyeDir.x + EyePos.y*EyeDir.y);\n","  float c = EyePos.x*EyePos.x + EyePos.y*EyePos.y - 1.0;\n","  float d = b*b - 4.0*a*c;\n","  vec3 normalVCVSOutput = vec3(0.0,0.0,1.0);\n","  if (d < 0.0) { discard; }\n","  else {\n","    float t =  (-b - sqrt(d))/(2.0*a);\n","    float tz = EyePos.z + t*EyeDir.z;\n","    vec3 iPoint = EyePos + t*EyeDir;\n","    if (abs(iPoint.z)*radiusVCVSOutput > lengthVCVSOutput*0.5) {\n","      float t2 = (-b + sqrt(d))/(2.0*a);\n","      float tz2 = EyePos.z + t2*EyeDir.z;\n","      if (tz2*radiusVCVSOutput > lengthVCVSOutput*0.5 || tz*radiusVCVSOutput < -0.5*lengthVCVSOutput) { discard; }\n","      else {\n","        normalVCVSOutput = orientVCVSOutput;\n","        float t3 = (lengthVCVSOutput*0.5/radiusVCVSOutput - EyePos.z)/EyeDir.z;\n","        iPoint = EyePos + t3*EyeDir;\n","        vertexVC.xyz = radiusVCVSOutput*(iPoint.x*base1 + iPoint.y*base2 + iPoint.z*orientVCVSOutput) + centerVCVSOutput;\n","        }\n","      }\n","    else {\n","      normalVCVSOutput = iPoint.x*base1 + iPoint.y*base2;\n","      vertexVC.xyz = radiusVCVSOutput*(normalVCVSOutput + iPoint.z*orientVCVSOutput) + centerVCVSOutput;\n","      }\n","    }\n","  vec4 pos = VCPCMatrix * vertexVC;\n",s]).result,i=gd.substitute(i,"//VTK::Normal::Impl","").result,t.haveSeenDepthRequest&&(i=gd.substitute(i,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float computedZ = (pos.z / pos.w + 1.0) / 2.0;","float iz = floor(computedZ * 65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); 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a=rh("GET",t,n);a.onreadystatechange=t=>{1===a.readyState&&1==++nh&&e?.invokeBusy&&e.invokeBusy(!0),4===a.readyState&&(0==--nh&&e?.invokeBusy&&e.invokeBusy(!1),200===a.status||0===a.status?n.compression?r(Xm(Wm(new Uint8Array(a.response)))):r(a.responseText):o({xhr:a,e:t}))},a.responseType=n.compression?"arraybuffer":"text",a.send()}))},fetchBinary:function(e,t={}){return t&&t.compression&&"gz"!==t.compression&&(eh("Supported algorithms are: [gz]"),eh(`Unkown compression algorithm: ${t.compression}`)),new Promise(((n,r)=>{const o=rh("GET",e,t);o.onreadystatechange=e=>{4===o.readyState&&(200===o.status||0===o.status?t.compression?n(Wm(new Uint8Array(o.response)).buffer):n(o.response):r({xhr:o,e:e}))},o.responseType="arraybuffer",o.send()}))},fetchImage:function(e,t,n={}){return new Promise(((e,r)=>{const o=new Image;n.crossOrigin&&(o.crossOrigin=n.crossOrigin),o.onload=()=>e(o),o.onerror=r,o.src=t}))}};cm("http",(e=>oh));const{vtkDebugMacro:ah}=ln;const ih={position:[0,0,1],focalPoint:[0,0,0],viewUp:[0,1,0],directionOfProjection:[0,0,-1],parallelProjection:!1,useHorizontalViewAngle:!1,viewAngle:30,parallelScale:1,clippingRange:[.01,1000.01],windowCenter:[0,0],viewPlaneNormal:[0,0,1],useOffAxisProjection:!1,screenBottomLeft:[-.5,-.5,-.5],screenBottomRight:[.5,-.5,-.5],screenTopRight:[.5,.5,-.5],freezeFocalPoint:!1,projectionMatrix:null,viewMatrix:null,modelTransformMatrix:null,cameraLightTransform:v(),physicalTranslation:[0,0,0],physicalScale:1,physicalViewUp:[0,1,0],physicalViewNorth:[0,0,-1]};function sh(e,t,n={}){Object.assign(t,ih,n),ln.obj(e,t),ln.get(e,t,["distance"]),ln.setGet(e,t,["parallelProjection","useHorizontalViewAngle","viewAngle","parallelScale","useOffAxisProjection","freezeFocalPoint","physicalScale"]),ln.getArray(e,t,["directionOfProjection","viewPlaneNormal","position","focalPoint"]),ln.setGetArray(e,t,["clippingRange","windowCenter"],2),ln.setGetArray(e,t,["viewUp","screenBottomLeft","screenBottomRight","screenTopRight","physicalTranslation","physicalViewUp","physicalViewNorth"],3),function(e,t){t.classHierarchy.push("vtkCamera");const n=new Float64Array(3),r=new Float64Array([0,0,-1]),o=new Float64Array([0,1,0]),a=x(new Float64Array(16)),i=x(new Float64Array(16)),s=new Float64Array(3),l=new Float64Array(3),c=new Float64Array(3),u=x(new Float64Array(16)),d=x(new Float64Array(16)),p=new Float64Array(3),f=new Float64Array(3);function 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uh(e,t,n={}){Object.assign(t,ch,n),ln.obj(e,t),ln.setGet(e,t,["intensity","switch","positional","exponent","coneAngle","coneFalloff","transformMatrix","lightType","shadowAttenuation","attenuationValues"]),ln.setGetArray(e,t,["color","position","focalPoint","attenuationValues"],3),function(e,t){t.classHierarchy.push("vtkLight");const n=new Float64Array(3);e.getTransformedPosition=()=>(t.transformMatrix?oe(n,t.position,t.transformMatrix):Y(n,t.position[0],t.position[1],t.position[2]),n),e.getTransformedFocalPoint=()=>(t.transformMatrix?oe(n,t.focalPoint,t.transformMatrix):Y(n,t.focalPoint[0],t.focalPoint[1],t.focalPoint[2]),n),e.getDirection=()=>(t.directionMTime<t.mtime&&(le(t.direction,t.focalPoint,t.position),Xo(t.direction),t.directionMTime=t.mtime),t.direction),e.setDirection=e=>{const n=new Float64Array(3);le(n,t.position,e),t.focalPoint=n},e.setDirectionAngle=(t,n)=>{const r=Io(t),o=Io(n);e.setPosition(Math.cos(r)*Math.sin(o),Math.sin(r),Math.cos(r)*Math.cos(o)),e.setFocalPoint(0,0,0),e.setPositional(0)},e.setLightTypeToHeadLight=()=>{e.setLightType("HeadLight")},e.setLightTypeToCameraLight=()=>{e.setLightType("CameraLight")},e.setLightTypeToSceneLight=()=>{e.setTransformMatrix(null),e.setLightType("SceneLight")},e.lightTypeIsHeadLight=()=>"HeadLight"===t.lightType,e.lightTypeIsSceneLight=()=>"SceneLight"===t.lightType,e.lightTypeIsCameraLight=()=>"CameraLight"===t.lightType}(e,t)}var dh={newInstance:ln.newInstance(uh,"vtkLight"),extend:uh,LIGHT_TYPES:["HeadLight","CameraLight","SceneLight"]};const{vtkErrorMacro:ph}=ln;function fh(e,t){function n(e,t=[]){t.push(e);const r=e.getNestedProps();if(r&&r.length)for(let e=0;e<r.length;e++)n(r[e],t);return t}var r;t.classHierarchy.push("vtkViewport"),e.getViewProps=()=>t.props,e.hasViewProp=e=>t.props.includes(e),e.addViewProp=n=>{n&&!e.hasViewProp(n)&&t.props.push(n)},e.removeViewProp=e=>{const n=t.props.filter((t=>t!==e));t.props.length!==n.length&&(t.props=n)},e.removeAllViewProps=()=>{t.props=[]},e.getViewPropsWithNestedProps=()=>{let e=[];t.actors2D=[];for(let r=0;r<t.props.length;r++){const o=t.props[r].getActors2D();o&&(!Array.isArray(o)||o.length>0)?t.actors2D=t.actors2D.concat(o):n(t.props[r],e)}return t.actors2D.sort(((e,t)=>e.getLayerNumber()-t.getLayerNumber())),e=e.concat(t.actors2D),e},e.addActor2D=e.addViewProp,e.removeActor2D=t=>{e.removeViewProp(t)},e.getActors2D=()=>(t.actors2D=[],t.props.forEach((e=>{t.actors2D=t.actors2D.concat(e.getActors2D())})),t.actors2D),e.displayToView=()=>ph("call displayToView on your view instead"),e.viewToDisplay=()=>ph("callviewtodisplay on your view instead"),e.getSize=()=>ph("call getSize on your View instead"),e.normalizedDisplayToProjection=(t,n,r)=>{const o=e.normalizedDisplayToNormalizedViewport(t,n,r);return e.normalizedViewportToProjection(o[0],o[1],o[2])},e.normalizedDisplayToNormalizedViewport=(e,n,r)=>{const o=[t.viewport[2]-t.viewport[0],t.viewport[3]-t.viewport[1]];return[(e-t.viewport[0])/o[0],(n-t.viewport[1])/o[1],r]},e.normalizedViewportToProjection=(e,t,n)=>[2*e-1,2*t-1,2*n-1],e.projectionToNormalizedDisplay=(t,n,r)=>{const o=e.projectionToNormalizedViewport(t,n,r);return e.normalizedViewportToNormalizedDisplay(o[0],o[1],o[2])},e.normalizedViewportToNormalizedDisplay=(e,n,r)=>{const o=[t.viewport[2]-t.viewport[0],t.viewport[3]-t.viewport[1]];return[e*o[0]+t.viewport[0],n*o[1]+t.viewport[1],r]},e.projectionToNormalizedViewport=(e,t,n)=>[.5*(e+1),.5*(t+1),.5*(n+1)],e.PickPropFrom=(r="PickPropFrom",()=>ph(`vtkViewport::${r} - NOT IMPLEMENTED`))}const gh={background:[0,0,0],background2:[.2,.2,.2],gradientBackground:!1,viewport:[0,0,1,1],aspect:[1,1],pixelAspect:[1,1],props:[],actors2D:[]};function mh(e,t,n={}){Object.assign(t,gh,n),ln.obj(e,t),ln.event(e,t,"event"),ln.setGetArray(e,t,["viewport"],4),ln.setGetArray(e,t,["background","background2"],3),fh(e,t)}var hh={newInstance:ln.newInstance(mh,"vtkViewport"),extend:mh};const{vtkDebugMacro:vh,vtkErrorMacro:Th,vtkWarningMacro:xh}=cn;function bh(e){return()=>Th(`vtkRenderer::${e} - NOT IMPLEMENTED`)}const Ah={pickedProp:null,activeCamera:null,allBounds:[],ambient:[1,1,1],allocatedRenderTime:100,timeFactor:1,automaticLightCreation:!0,twoSidedLighting:!0,lastRenderTimeInSeconds:-1,renderWindow:null,lights:[],actors:[],volumes:[],lightFollowCamera:!0,numberOfPropsRendered:0,propArray:null,pathArray:null,layer:0,preserveColorBuffer:!1,preserveDepthBuffer:!1,computeVisiblePropBounds:Ua(),interactive:!0,nearClippingPlaneTolerance:0,clippingRangeExpansion:.05,erase:!0,draw:!0,useShadows:!1,useDepthPeeling:!1,occlusionRatio:0,maximumNumberOfPeels:4,selector:null,delegate:null,texturedBackground:!1,backgroundTexture:null,environmentTexture:null,environmentTextureDiffuseStrength:1,environmentTextureSpecularStrength:1,useEnvironmentTextureAsBackground:!1,pass:0};function yh(e,t,n={}){for(Object.assign(t,Ah,n),hh.extend(e,t,n),t.background||(t.background=[0,0,0,1]);t.background.length<3;)t.background.push(0);3===t.background.length&&t.background.push(1),Ft(e,t,["_renderWindow","allocatedRenderTime","timeFactor","lastRenderTimeInSeconds","numberOfPropsRendered","lastRenderingUsedDepthPeeling","selector"]),Ut(e,t,["twoSidedLighting","lightFollowCamera","automaticLightCreation","erase","draw","nearClippingPlaneTolerance","clippingRangeExpansion","backingStore","interactive","layer","preserveColorBuffer","preserveDepthBuffer","useDepthPeeling","occlusionRatio","maximumNumberOfPeels","delegate","backgroundTexture","texturedBackground","environmentTexture","environmentTextureDiffuseStrength","environmentTextureSpecularStrength","useEnvironmentTextureAsBackground","useShadows","pass"]),_t(e,t,["actors","volumes","lights"]),zt(e,t,["background"],4,1),Wt(0,t,["renderWindow"]),function(e,t){t.classHierarchy.push("vtkRenderer");const 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a=e.normalizedDisplayToProjection(t,n,r);return a=e.projectionToView(a[0],a[1],a[2],o),e.viewToWorld(a[0],a[1],a[2])},e.worldToNormalizedDisplay=(t,n,r,o)=>{let a=e.worldToView(t,n,r);return a=e.viewToProjection(a[0],a[1],a[2],o),e.projectionToNormalizedDisplay(a[0],a[1],a[2])},e.viewToWorld=(e,n,r)=>{if(null===t.activeCamera)return Th("ViewToWorld: no active camera, cannot compute view to world, returning 0,0,0"),[0,0,0];const o=t.activeCamera.getViewMatrix();A(o,o),b(o,o);const a=new Float64Array([e,n,r]);return oe(a,a,o),a},e.projectionToView=(e,n,r,o)=>{if(null===t.activeCamera)return Th("ProjectionToView: no active camera, cannot compute projection to view, returning 0,0,0"),[0,0,0];const a=t.activeCamera.getProjectionMatrix(o,-1,1);A(a,a),b(a,a);const i=new Float64Array([e,n,r]);return oe(i,i,a),i},e.worldToView=(e,n,r)=>{if(null===t.activeCamera)return Th("WorldToView: no active camera, cannot compute view to world, returning 0,0,0"),[0,0,0];const 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e=n.getBounds();e&&Ra(e)&&(r=!1,e[0]<t.allBounds[0]&&(t.allBounds[0]=e[0]),e[1]>t.allBounds[1]&&(t.allBounds[1]=e[1]),e[2]<t.allBounds[2]&&(t.allBounds[2]=e[2]),e[3]>t.allBounds[3]&&(t.allBounds[3]=e[3]),e[4]<t.allBounds[4]&&(t.allBounds[4]=e[4]),e[5]>t.allBounds[5]&&(t.allBounds[5]=e[5]))}}return r&&(Oa(t.allBounds),vh("Can't compute bounds, no 3D props are visible")),t.allBounds},e.resetCamera=(n=null)=>{const r=n||e.computeVisiblePropBounds(),a=[0,0,0];if(!Ra(r))return vh("Cannot reset camera!"),!1;let i=null;if(!e.getActiveCamera())return Th("Trying to reset non-existent camera"),!1;i=t.activeCamera.getViewPlaneNormal(),t.activeCamera.setViewAngle(30),a[0]=(r[0]+r[1])/2,a[1]=(r[2]+r[3])/2,a[2]=(r[4]+r[5])/2;let s=r[1]-r[0],l=r[3]-r[2],c=r[5]-r[4];s*=s,l*=l,c*=c;let u=s+l+c;u=0===u?1:u,u=.5*Math.sqrt(u);const d=Io(t.activeCamera.getViewAngle()),p=u,f=u/Math.sin(.5*d),g=t.activeCamera.getViewUp();return Math.abs(Wo(g,i))>.999&&(xh("Resetting view-up since view plane normal is 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Sh[e]&&Sh[e](t)}const Ih={defaultViewAPI:"WebGL",renderers:[],views:[],interactor:null,neverRendered:!0,numberOfLayers:1,childRenderWindows:[]};function Oh(e,t,n={}){Object.assign(t,Ih,n),ln.obj(e,t),ln.setGet(e,t,["interactor","numberOfLayers","_views","defaultViewAPI"]),ln.get(e,t,["neverRendered"]),ln.getArray(e,t,["renderers","childRenderWindows"]),ln.moveToProtected(e,t,["views"]),ln.event(e,t,"completion"),function(e,t){t.classHierarchy.push("vtkRenderWindow"),e.addRenderer=n=>{e.hasRenderer(n)||(n.setRenderWindow(e),t.renderers.push(n),e.modified())},e.removeRenderer=n=>{t.renderers=t.renderers.filter((e=>e!==n)),e.modified()},e.hasRenderer=e=>-1!==t.renderers.indexOf(e),e.newAPISpecificView=(e,n={})=>wh(e||t.defaultViewAPI,n),e.addView=n=>{e.hasView(n)||(n.setRenderable(e),t._views.push(n),e.modified())},e.removeView=n=>{t._views=t._views.filter((e=>e!==n)),e.modified()},e.hasView=e=>-1!==t._views.indexOf(e),e.preRender=()=>{t.renderers.forEach((e=>{e.isActiveCameraCreated()||e.resetCamera()}))},e.render=()=>{e.preRender(),t.interactor?t.interactor.render():t._views.forEach((e=>e.traverseAllPasses()))},e.getStatistics=()=>{const e={propCount:0,invisiblePropCount:0,gpuMemoryMB:0};return t._views.forEach((t=>{t.getGraphicsMemoryInfo&&(e.gpuMemoryMB+=t.getGraphicsMemoryInfo()/1e6)})),t.renderers.forEach((n=>{const r=n.getViewProps(),o=t._views[0].getViewNodeFor(n);r.forEach((t=>{if(t.getVisibility()){e.propCount+=1;const n=t.getMapper&&t.getMapper();if(n&&n.getPrimitiveCount){const t=o.getViewNodeFor(n);if(t){t.getAllocatedGPUMemoryInBytes&&(e.gpuMemoryMB+=t.getAllocatedGPUMemoryInBytes()/1e6);const r=n.getPrimitiveCount();Object.keys(r).forEach((t=>{e[t]||(e[t]=0),e[t]+=r[t]}))}}}else e.invisiblePropCount+=1}))})),e.str=Object.keys(e).map((t=>`${t}: ${e[t]}`)).join("\n"),e},e.captureImages=(n="image/png",r={})=>(ln.setImmediate(e.render),t._views.map((e=>e.captureNextImage?e.captureNextImage(n,r):void 0)).filter((e=>!!e))),e.addRenderWindow=n=>!t.childRenderWindows.includes(n)&&(t.childRenderWindows.push(n),e.modified(),!0),e.removeRenderWindow=n=>{const r=t.childRenderWindows.findIndex((e=>e===n));return!(r<0||(t.childRenderWindows.splice(r,1),e.modified(),0))}}(e,t)}var Rh={newInstance:ln.newInstance(Oh,"vtkRenderWindow"),extend:Oh,registerViewConstructor:Ph,listViewAPIs:function(){return Object.keys(Sh)},newAPISpecificView:wh};const Mh={Unknown:0,LeftController:1,RightController:2},Dh={Unknown:0,Trigger:1,TrackPad:2,Grip:3,Thumbstick:4,A:5,B:6,ApplicationMenu:7};var Eh={Device:Mh,Input:Dh,Axis:{Unknown:0,TouchpadX:1,TouchpadY:2,ThumbstickX:3,ThumbstickY:4},MouseButton:{LeftButton:1,MiddleButton:2,RightButton:3}};const{Device:Vh,Input:Lh}=Eh,{vtkWarningMacro:Bh,vtkErrorMacro:Fh,normalizeWheel:Nh,vtkOnceErrorMacro:kh}=ln,Gh={ctrlKey:!1,altKey:!1,shiftKey:!1},Uh={"xr-standard":[Lh.Trigger,Lh.Grip,Lh.TrackPad,Lh.Thumbstick,Lh.A,Lh.B]},_h=["StartAnimation","Animation","EndAnimation","PointerEnter","PointerLeave","MouseEnter","MouseLeave","StartMouseMove","MouseMove","EndMouseMove","LeftButtonPress","LeftButtonRelease","MiddleButtonPress","MiddleButtonRelease","RightButtonPress","RightButtonRelease","KeyPress","KeyDown","KeyUp","StartMouseWheel","MouseWheel","EndMouseWheel","StartPinch","Pinch","EndPinch","StartPan","Pan","EndPan","StartRotate","Rotate","EndRotate","Button3D","Move3D","StartPointerLock","EndPointerLock","StartInteraction","Interaction","EndInteraction","AnimationFrameRateUpdate"];function Kh(e){e.cancelable&&e.preventDefault()}function zh(e){const t=Object.create(null);return e.forEach((({pointerId:e,position:n})=>{t[e]=n})),t}const Wh={renderWindow:null,interactorStyle:null,picker:null,pickingManager:null,initialized:!1,enabled:!1,enableRender:!0,currentRenderer:null,lightFollowCamera:!0,desiredUpdateRate:30,stillUpdateRate:2,container:null,recognizeGestures:!0,currentGesture:"Start",animationRequest:null,lastFrameTime:.1,recentAnimationFrameRate:10,wheelTimeoutID:0,moveTimeoutID:0,lastGamepadValues:{},preventDefaultOnPointerDown:!1,preventDefaultOnPointerUp:!1,mouseScrollDebounceByPass:!1};function Hh(e,t,n={}){Object.assign(t,Wh,n),ln.obj(e,t),t._animationExtendedEnd=0,ln.event(e,t,"RenderEvent"),_h.forEach((n=>ln.event(e,t,n))),ln.get(e,t,["initialized","interactorStyle","lastFrameTime","recentAnimationFrameRate","_view"]),ln.setGet(e,t,["container","lightFollowCamera","enabled","enableRender","recognizeGestures","desiredUpdateRate","stillUpdateRate","picker","preventDefaultOnPointerDown","preventDefaultOnPointerUp","mouseScrollDebounceByPass"]),ln.moveToProtected(e,t,["view"]),function(e,t){t.classHierarchy.push("vtkRenderWindowInteractor");const n={...e},r=new Set,o=new Map;let a=1,i=0;function s(n,r){t._forcedRenderer||(t.currentRenderer=e.findPokedRenderer(n,r))}e.start=()=>{(t.initialized||(e.initialize(),t.initialized))&&e.startEventLoop()},e.setRenderWindow=e=>{Fh("you want to call setView(view) instead of setRenderWindow on a vtk.js 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p=()=>{if(null===t.container)return;const{container:n}=t;n.addEventListener("contextmenu",Kh),n.addEventListener("wheel",e.handleWheel),n.addEventListener("DOMMouseScroll",e.handleWheel),n.addEventListener("pointerenter",e.handlePointerEnter),n.addEventListener("pointerleave",e.handlePointerLeave),n.addEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.addEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.addEventListener("pointerup",e.handlePointerUp),n.addEventListener("pointercancel",e.handlePointerCancel),n.addEventListener("keypress",e.handleKeyPress),n.addEventListener("keydown",e.handleKeyDown),document.addEventListener("keyup",e.handleKeyUp),document.addEventListener("pointerlockchange",e.handlePointerLockChange),n.tabIndex=0,n.style.touchAction="none",n.style.userSelect="none",n.style.webkitTapHighlightColor="rgba(0,0,0,0)"};e.bindEvents=e=>{null!==e&&n.setContainer(e)&&p()};const f=()=>{clearTimeout(t.moveTimeoutID),clearTimeout(t.wheelTimeoutID),t.moveTimeoutID=0,t.wheelTimeoutID=0,a=1;const{container:n}=t;n&&(n.removeEventListener("contextmenu",Kh),n.removeEventListener("wheel",e.handleWheel),n.removeEventListener("DOMMouseScroll",e.handleWheel),n.removeEventListener("pointerenter",e.handlePointerEnter),n.removeEventListener("pointerleave",e.handlePointerLeave),n.removeEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.removeEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.removeEventListener("pointerup",e.handlePointerUp),n.removeEventListener("pointercancel",e.handlePointerCancel),n.removeEventListener("keypress",e.handleKeyPress),n.removeEventListener("keydown",e.handleKeyDown)),document.removeEventListener("keyup",e.handleKeyUp),document.removeEventListener("pointerlockchange",e.handlePointerLockChange),o.clear(),i=0};function g(t,n,r){n&~r&1&&e.leftButtonReleaseEvent(t),n&~r&4&&e.middleButtonReleaseEvent(t),n&~r&2&&e.rightButtonReleaseEvent(t),~n&r&1&&e.leftButtonPressEvent(t),~n&r&4&&e.middleButtonPressEvent(t),~n&r&2&&e.rightButtonPressEvent(t)}function m(){t._view&&t.enabled&&t.enableRender&&(t.inRender=!0,t._view.traverseAllPasses(),t.inRender=!1),e.invokeRenderEvent()}e.unbindEvents=()=>{f(),n.setContainer(null)},e.handleKeyPress=t=>{const n=u(t);e.keyPressEvent(n)},e.handleKeyDown=t=>{const n=u(t);e.keyDownEvent(n)},e.handleKeyUp=t=>{const n=u(t);e.keyUpEvent(n)},e.handlePointerEnter=t=>{const n={...c(t),position:l(t),deviceType:d(t)};e.pointerEnterEvent(n),"mouse"===n.deviceType&&e.mouseEnterEvent(n)},e.handlePointerLeave=t=>{const n={...c(t),position:l(t),deviceType:d(t)};e.pointerLeaveEvent(n),"mouse"===n.deviceType&&e.mouseLeaveEvent(n)},e.handlePointerDown=n=>{if(!(n.button>2||e.isPointerLocked()))switch(t.preventDefaultOnPointerDown&&Kh(n),n.target.hasPointerCapture(n.pointerId)&&n.target.releasePointerCapture(n.pointerId),t.container.setPointerCapture(n.pointerId),o.has(n.pointerId)&&Bh("[RenderWindowInteractor] duplicate pointerId detected"),o.set(n.pointerId,{pointerId:n.pointerId,position:l(n)}),n.pointerType){case"pen":case"touch":e.handleTouchStart(n);break;default:e.handleMouseDown(n),i=n.buttons}},e.handlePointerUp=n=>{if(o.has(n.pointerId))switch(t.preventDefaultOnPointerUp&&Kh(n),o.delete(n.pointerId),t.container.releasePointerCapture(n.pointerId),n.pointerType){case"pen":case"touch":e.handleTouchEnd(n);break;default:{const 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o=Date.now()+n;t._animationExtendedEnd=Math.max(t._animationExtendedEnd,o),t.animationRequest||0!==r.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())},e.isAnimating=()=>t.xrAnimation||null!==t.animationRequest,e.cancelAnimation=(n,o=!1)=>{if(r.has(n))r.delete(n),t.animationRequest&&0===r.size&&Date.now()>t._animationExtendedEnd&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null,e.endAnimationEvent(),e.render());else if(!o){const e=n&&n.getClassName?n.getClassName():n;Bh(`${e} did not request an animation`)}},e.switchToXRAnimation=()=>{t.animationRequest&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null),t.xrAnimation=!0},e.returnFromXRAnimation=()=>{t.xrAnimation=!1,0!==r.size&&(t.recentAnimationFrameRate=10,t.animationRequest=requestAnimationFrame(e.handleAnimation))},e.updateXRGamepads=(n,r,o)=>{n.inputSources.forEach((n=>{const 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t.lastGamepadValues[s.index][l].buttons||(t.lastGamepadValues[s.index][l].buttons[r]=!1),t.lastGamepadValues[s.index][l].buttons[r]!==s.buttons[r].pressed&&null!=a&&(e.button3DEvent({gamepad:s,position:a.transform.position,orientation:a.transform.orientation,targetPosition:i.transform.position,targetOrientation:i.transform.orientation,pressed:s.buttons[r].pressed,device:"left"===n.handedness?Vh.LeftController:Vh.RightController,input:Uh[s.mapping]&&Uh[s.mapping][r]?Uh[s.mapping][r]:Lh.Trigger}),t.lastGamepadValues[s.index][l].buttons[r]=s.buttons[r].pressed),t.lastGamepadValues[s.index][l].buttons[r]&&null!=a&&e.move3DEvent({gamepad:s,position:a.transform.position,orientation:a.transform.orientation,targetPosition:i.transform.position,targetOrientation:i.transform.orientation,device:"left"===n.handedness?Vh.LeftController:Vh.RightController})}}))},e.handleMouseMove=n=>{const r={...c(n),position:l(n),deviceType:d(n)};0===t.moveTimeoutID?e.startMouseMoveEvent(r):(e.mouseMoveEvent(r),clearTimeout(t.moveTimeoutID)),t.moveTimeoutID=setTimeout((()=>{e.endMouseMoveEvent(),t.moveTimeoutID=0}),200)},e.handleAnimation=()=>{const n=Date.now();t._animationFrameCount++,n-t._animationStartTime>1e3&&t._animationFrameCount>1&&(t.recentAnimationFrameRate=1e3*(t._animationFrameCount-1)/(n-t._animationStartTime),t.lastFrameTime=1/t.recentAnimationFrameRate,e.animationFrameRateUpdateEvent(),t._animationStartTime=n,t._animationFrameCount=1),e.animationEvent(),m(),r.size>0||Date.now()<t._animationExtendedEnd?t.animationRequest=requestAnimationFrame(e.handleAnimation):(cancelAnimationFrame(t.animationRequest),t.animationRequest=null,e.endAnimationEvent(),e.render())},e.handleWheel=n=>{Kh(n);const r={...Nh(n),...c(n),position:l(n),deviceType:d(n)};0===t.wheelTimeoutID&&(a=Math.abs(r.spinY)>=.3?Math.abs(r.spinY):1),r.spinY/=a,0===t.wheelTimeoutID?(e.startMouseWheelEvent(r),e.mouseWheelEvent(r)):(e.mouseWheelEvent(r),clearTimeout(t.wheelTimeoutID)),t.mouseScrollDebounceByPass?(e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0):t.wheelTimeoutID=setTimeout((()=>{e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0}),200)},e.handleMouseUp=t=>{const n={...c(t),position:l(t),deviceType:d(t)};switch(t.button){case 0:e.leftButtonReleaseEvent(n);break;case 1:e.middleButtonReleaseEvent(n);break;case 2:e.rightButtonReleaseEvent(n);break;default:Fh(`Unknown mouse button released: ${t.button}`)}},e.handleTouchStart=n=>{const r=[...o.values()];if(t.recognizeGestures&&r.length>1){const t=zh(o);if(2===r.length){const t={...c(Gh),position:r[0].position,deviceType:d(n)};e.leftButtonReleaseEvent(t)}e.recognizeGesture("TouchStart",t)}else if(1===r.length){const t={...c(Gh),position:l(n),deviceType:d(n)};e.leftButtonPressEvent(t)}},e.handleTouchMove=n=>{const r=[...o.values()];if(t.recognizeGestures&&r.length>1){const t=zh(o);e.recognizeGesture("TouchMove",t)}else if(1===r.length){const t={...c(Gh),position:r[0].position,deviceType:d(n)};e.mouseMoveEvent(t)}},e.handleTouchEnd=n=>{const r=[...o.values()];if(t.recognizeGestures)if(0===r.length){const t={...c(Gh),position:l(n),deviceType:d(n)};e.leftButtonReleaseEvent(t)}else if(1===r.length){const t=zh(o);e.recognizeGesture("TouchEnd",t);const a={...c(Gh),position:r[0].position,deviceType:d(n)};e.leftButtonPressEvent(a)}else{const t=zh(o);e.recognizeGesture("TouchMove",t)}else if(1===r.length){const t={...c(Gh),position:r[0].position,deviceType:d(n)};e.leftButtonReleaseEvent(t)}},e.setView=n=>{t._view!==n&&(t._view=n,t._view.getRenderable().setInteractor(e),e.modified())},e.getFirstRenderer=()=>t._view?.getRenderable()?.getRenderersByReference()?.[0],e.findPokedRenderer=(e=0,n=0)=>{if(!t._view)return null;const r=t._view?.getRenderable()?.getRenderers();if(!r||0===r.length)return null;r.sort(((e,t)=>e.getLayer()-t.getLayer()));let o=null,a=null,i=null,s=r.length;for(;s--;){const l=r[s];if(t._view.isInViewport(e,n,l)&&l.getInteractive()){i=l;break}null===o&&l.getInteractive()&&(o=l),null===a&&t._view.isInViewport(e,n,l)&&(a=l)}return null===i&&(i=o),null===i&&(i=a),null==i&&(i=r[0]),i},e.render=()=>{e.isAnimating()||t.inRender||m()},_h.forEach((n=>{const r=n.charAt(0).toLowerCase()+n.slice(1);e[`${r}Event`]=r=>{if(!t.enabled)return;if(!e.getCurrentRenderer())return void kh("\n          Can not forward events without a current renderer on the interactor.\n        ");const o={type:n,pokedRenderer:t.currentRenderer,firstRenderer:e.getFirstRenderer(),...r};e[`invoke${n}`](o)}})),e.recognizeGesture=(n,r)=>{if(Object.keys(r).length>2)return;if(t.startingEventPositions||(t.startingEventPositions={}),"TouchStart"===n)return Object.keys(r).forEach((e=>{t.startingEventPositions[e]=r[e]})),void(t.currentGesture="Start");if("TouchEnd"===n)return"Pinch"===t.currentGesture&&(e.render(),e.endPinchEvent()),"Rotate"===t.currentGesture&&(e.render(),e.endRotateEvent()),"Pan"===t.currentGesture&&(e.render(),e.endPanEvent()),t.currentGesture="Start",void(t.startingEventPositions={});let o=0;const a=[],i=[];Object.keys(r).forEach((e=>{a[o]=r[e],i[o]=t.startingEventPositions[e],o++}));const s=Math.sqrt((i[0].x-i[1].x)*(i[0].x-i[1].x)+(i[0].y-i[1].y)*(i[0].y-i[1].y)),l=Math.sqrt((a[0].x-a[1].x)*(a[0].x-a[1].x)+(a[0].y-a[1].y)*(a[0].y-a[1].y));let c=Oo(Math.atan2(i[1].y-i[0].y,i[1].x-i[0].x)),u=Oo(Math.atan2(a[1].y-a[0].y,a[1].x-a[0].x)),d=u-c;u=u+180>=360?u-180:u+180,c=c+180>=360?c-180:c+180,Math.abs(u-c)<Math.abs(d)&&(d=u-c);const p=[];if(p[0]=(a[0].x-i[0].x+a[1].x-i[1].x)/2,p[1]=(a[0].y-i[0].y+a[1].y-i[1].y)/2,"TouchMove"===n)if("Start"===t.currentGesture){let n=.01*Math.sqrt(t.container.clientWidth*t.container.clientWidth+t.container.clientHeight*t.container.clientHeight);n<15&&(n=15);const o=Math.abs(l-s),a=3.1415926*l*Math.abs(d)/360,i=Math.sqrt(p[0]*p[0]+p[1]*p[1]);if(o>n&&o>a&&o>i){t.currentGesture="Pinch";const n={scale:1,touches:r};e.startPinchEvent(n)}else if(a>n&&a>i){t.currentGesture="Rotate";const n={rotation:0,touches:r};e.startRotateEvent(n)}else if(i>n){t.currentGesture="Pan";const n={translation:[0,0],touches:r};e.startPanEvent(n)}}else{if("Rotate"===t.currentGesture){const t={rotation:d,touches:r};e.rotateEvent(t)}if("Pinch"===t.currentGesture){const t={scale:l/s,touches:r};e.pinchEvent(t)}if("Pan"===t.currentGesture){const t={translation:p,touches:r};e.panEvent(t)}}},e.handleVisibilityChange=()=>{t._animationStartTime=Date.now(),t._animationFrameCount=0},e.setCurrentRenderer=e=>{t._forcedRenderer=!!e,t.currentRenderer=e},e.setContainer=e=>{f();const t=n.setContainer(e??null);return t&&p(),t},e.delete=()=>{for(;r.size;)e.cancelAnimation(r.values().next().value);void 0!==document.hidden&&document.removeEventListener("visibilitychange",e.handleVisibilityChange),t.container&&e.setContainer(null),n.delete()},void 0!==document.hidden&&document.addEventListener("visibilitychange",e.handleVisibilityChange,!1)}(e,t)}var jh={newInstance:ln.newInstance(Hh,"vtkRenderWindowInteractor"),extend:Hh,handledEvents:_h,...Eh};const{vtkErrorMacro:Xh,VOID:qh}=ln;const Yh={computeWorldToDisplay:function(e,t,n,r){return e.getRenderWindow().getViews()[0].worldToDisplay(t,n,r,e)},computeDisplayToWorld:function(e,t,n,r){return e.getRenderWindow().getViews()[0].displayToWorld(t,n,r,e)}};const Jh={enabled:!0,priority:0,processEvents:!0,subscribedEvents:[]};function Zh(e,t,n={}){Object.assign(t,Jh,n),ln.obj(e,t),ln.event(e,t,"InteractionEvent"),ln.event(e,t,"StartInteractionEvent"),ln.event(e,t,"EndInteractionEvent"),ln.get(e,t,["_interactor","enabled"]),ln.setGet(e,t,["priority","processEvents"]),ln.moveToProtected(e,t,["interactor"]),function(e,t){t.classHierarchy.push("vtkInteractorObserver");const n={...e};function r(){for(;t.subscribedEvents.length;)t.subscribedEvents.pop().unsubscribe()}function o(){jh.handledEvents.forEach((n=>{e[`handle${n}`]&&t.subscribedEvents.push(t._interactor[`on${n}`]((r=>t.processEvents?e[`handle${n}`](r):qh),t.priority))}))}e.setInteractor=n=>{n!==t._interactor&&(r(),t._interactor=n,n&&t.enabled&&o(),e.modified())},e.setEnabled=n=>{n!==t.enabled&&(r(),n&&(t._interactor?o():Xh("\n          The interactor must be set before subscribing to events\n        ")),t.enabled=n,e.modified())},e.computeDisplayToWorld=(e,n,r,o)=>e?t._interactor.getView().displayToWorld(n,r,o,e):null,e.computeWorldToDisplay=(e,n,r,o)=>e?t._interactor.getView().worldToDisplay(n,r,o,e):null,e.setPriority=e=>{n.setPriority(e)&&t._interactor&&(r(),o())}}(e,t)}var Qh={newInstance:ln.newInstance(Zh,"vtkInteractorObserver"),extend:Zh,...Yh};var $h={States:{IS_START:0,IS_NONE:0,IS_ROTATE:1,IS_PAN:2,IS_SPIN:3,IS_DOLLY:4,IS_CAMERA_POSE:11,IS_WINDOW_LEVEL:1024,IS_SLICE:1025}};const{States:ev}=$h,tv={Rotate:ev.IS_ROTATE,Pan:ev.IS_PAN,Spin:ev.IS_SPIN,Dolly:ev.IS_DOLLY,CameraPose:ev.IS_CAMERA_POSE,WindowLevel:ev.IS_WINDOW_LEVEL,Slice:ev.IS_SLICE};const nv={state:ev.IS_NONE,handleObservers:1,autoAdjustCameraClippingRange:1};function rv(e,t,n={}){Object.assign(t,nv,n),Qh.extend(e,t,n),ln.setGet(e,t,["focusedRenderer"]),function(e,t){t.classHierarchy.push("vtkInteractorStyle"),Object.keys(tv).forEach((n=>{ln.event(e,t,`Start${n}Event`),e[`start${n}`]=()=>{t.state===ev.IS_NONE&&(t.state=tv[n],t._interactor.requestAnimation(e),e.invokeStartInteractionEvent({type:"StartInteractionEvent"}),e[`invokeStart${n}Event`]({type:`Start${n}Event`}))},ln.event(e,t,`End${n}Event`),e[`end${n}`]=()=>{t.state===tv[n]&&(t.state=ev.IS_NONE,t._interactor.cancelAnimation(e),e.invokeEndInteractionEvent({type:"EndInteractionEvent"}),e[`invokeEnd${n}Event`]({type:`End${n}Event`}),t._interactor.render())}})),t.getRenderer=e=>t.focusedRenderer||e.pokedRenderer,e.handleKeyPress=e=>{const n=t._interactor;let r=null;switch(e.key){case"r":case"R":t.getRenderer(e).resetCamera(),n.render();break;case"w":case"W":r=t.getRenderer(e).getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToWireframe&&t.setRepresentationToWireframe()})),n.render();break;case"s":case"S":r=t.getRenderer(e).getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToSurface&&t.setRepresentationToSurface()})),n.render();break;case"v":case"V":r=t.getRenderer(e).getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToPoints&&t.setRepresentationToPoints()})),n.render()}}}(e,t)}var ov={newInstance:ln.newInstance(rv,"vtkInteractorStyle"),extend:rv,...$h};const{States:av}=$h;const iv={motionFactor:10,zoomFactor:10};function sv(e,t,n={}){Object.assign(t,iv,n),ov.extend(e,t,n),ln.setGet(e,t,["motionFactor","zoomFactor"]),function(e,t){t.classHierarchy.push("vtkInteractorStyleTrackballCamera"),e.handleMouseMove=n=>{const r=n.position,o=t.getRenderer(n);switch(t.state){case av.IS_ROTATE:e.handleMouseRotate(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case av.IS_PAN:e.handleMousePan(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case av.IS_DOLLY:e.handleMouseDolly(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case av.IS_SPIN:e.handleMouseSpin(o,r),e.invokeInteractionEvent({type:"InteractionEvent"})}t.previousPosition=r},e.handleButton3D=n=>{!n||!n.pressed||n.device!==Mh.RightController||n.input!==Dh.Trigger&&n.input!==Dh.TrackPad?!n||n.pressed||n.device!==Mh.RightController||n.input!==Dh.Trigger&&n.input!==Dh.TrackPad||t.state!==av.IS_CAMERA_POSE||e.endCameraPose():e.startCameraPose()},e.handleMove3D=n=>{t.state===av.IS_CAMERA_POSE&&e.updateCameraPose(n)},e.updateCameraPose=e=>{const n=t.getRenderer(e).getActiveCamera(),r=n.getPhysicalTranslation(),o=.025*n.getPhysicalScale(),a=n.physicalOrientationToWorldDirection([e.orientation.x,e.orientation.y,e.orientation.z,e.orientation.w]);n.setPhysicalTranslation(r[0]+a[0]*o,r[1]+a[1]*o,r[2]+a[2]*o)},e.handleLeftButtonPress=n=>{const r=n.position;t.previousPosition=r,n.shiftKey?n.controlKey||n.altKey?e.startDolly():e.startPan():n.controlKey||n.altKey?e.startSpin():e.startRotate()},e.handleLeftButtonRelease=()=>{switch(t.state){case av.IS_DOLLY:e.endDolly();break;case av.IS_PAN:e.endPan();break;case av.IS_SPIN:e.endSpin();break;case av.IS_ROTATE:e.endRotate()}},e.handleStartMouseWheel=()=>{e.startDolly()},e.handleEndMouseWheel=()=>{e.endDolly()},e.handleStartPinch=n=>{t.previousScale=n.scale,e.startDolly()},e.handleEndPinch=()=>{e.endDolly()},e.handleStartRotate=n=>{t.previousRotation=n.rotation,e.startRotate()},e.handleEndRotate=()=>{e.endRotate()},e.handleStartPan=n=>{t.previousTranslation=n.translation,e.startPan()},e.handleEndPan=()=>{e.endPan()},e.handlePinch=n=>{e.dollyByFactor(t.getRenderer(n),n.scale/t.previousScale),t.previousScale=n.scale},e.handlePan=n=>{const r=t.getRenderer(n).getActiveCamera();let o=r.getFocalPoint();o=e.computeWorldToDisplay(t.getRenderer(n),o[0],o[1],o[2]);const a=o[2],i=n.translation,s=t.previousTranslation,l=e.computeDisplayToWorld(t.getRenderer(n),o[0]+i[0]-s[0],o[1]+i[1]-s[1],a),c=e.computeDisplayToWorld(t.getRenderer(n),o[0],o[1],a),u=[];u[0]=c[0]-l[0],u[1]=c[1]-l[1],u[2]=c[2]-l[2],o=r.getFocalPoint();const d=r.getPosition();r.setFocalPoint(u[0]+o[0],u[1]+o[1],u[2]+o[2]),r.setPosition(u[0]+d[0],u[1]+d[1],u[2]+d[2]),t._interactor.getLightFollowCamera()&&t.getRenderer(n).updateLightsGeometryToFollowCamera(),r.orthogonalizeViewUp(),t.previousTranslation=n.translation},e.handleRotate=e=>{const n=t.getRenderer(e).getActiveCamera();n.roll(e.rotation-t.previousRotation),n.orthogonalizeViewUp(),t.previousRotation=e.rotation},e.handleMouseRotate=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=n.x-t.previousPosition.x,a=n.y-t.previousPosition.y,i=r.getView().getViewportSize(e);let s=-.1,l=-.1;i[0]&&i[1]&&(s=-20/i[1],l=-20/i[0]);const c=o*l*t.motionFactor,u=a*s*t.motionFactor,d=e.getActiveCamera();Number.isNaN(c)||Number.isNaN(u)||(d.azimuth(c),d.elevation(u),d.orthogonalizeViewUp()),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange(),r.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()},e.handleMouseSpin=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=e.getActiveCamera(),a=r.getView().getViewportCenter(e),i=Oo(Math.atan2(t.previousPosition.y-a[1],t.previousPosition.x-a[0])),s=Oo(Math.atan2(n.y-a[1],n.x-a[0]))-i;Number.isNaN(s)||(o.roll(s),o.orthogonalizeViewUp())},e.handleMousePan=(n,r)=>{if(!t.previousPosition)return;const o=n.getActiveCamera();let a=o.getFocalPoint();a=e.computeWorldToDisplay(n,a[0],a[1],a[2]);const i=a[2],s=e.computeDisplayToWorld(n,r.x,r.y,i),l=e.computeDisplayToWorld(n,t.previousPosition.x,t.previousPosition.y,i),c=[];c[0]=l[0]-s[0],c[1]=l[1]-s[1],c[2]=l[2]-s[2],a=o.getFocalPoint();const u=o.getPosition();o.setFocalPoint(c[0]+a[0],c[1]+a[1],c[2]+a[2]),o.setPosition(c[0]+u[0],c[1]+u[1],c[2]+u[2]),t._interactor.getLightFollowCamera()&&n.updateLightsGeometryToFollowCamera()},e.handleMouseDolly=(n,r)=>{if(!t.previousPosition)return;const o=r.y-t.previousPosition.y,a=t._interactor.getView().getViewportCenter(n),i=t.motionFactor*o/a[1];e.dollyByFactor(n,1.1**i)},e.handleMouseWheel=n=>{const r=1-n.spinY/t.zoomFactor;e.dollyByFactor(t.getRenderer(n),r)},e.dollyByFactor=(e,n)=>{if(Number.isNaN(n))return;const r=e.getActiveCamera();r.getParallelProjection()?r.setParallelScale(r.getParallelScale()/n):(r.dolly(n),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange()),t._interactor.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()}}(e,t)}var lv={newInstance:ln.newInstance(sv,"vtkInteractorStyleTrackballCamera"),extend:sv};function cv(e){return e}function uv(e){return null===e||"null"===e?null:"true"===e||"false"!==e&&(void 0!==e&&"undefined"!==e?"["===e[0]&&"]"===e[e.length-1]?e.substring(1,e.length-1).split(",").map((e=>uv(e.trim()))):""===e||Number.isNaN(Number(e))?e:Number(e):void 0)}var dv={toNativeType:uv,extractURLParameters:function(e=!0,t=window.location.search){const n={},r=e?uv:cv;return new URLSearchParams(t).forEach(((e,t)=>{t&&(n[t]=!e||r(e))})),n}};const pv={delegates:[],currentOperation:null,preDelegateOperations:[],postDelegateOperations:[],currentParent:null};function fv(e,t,n={}){Object.assign(t,pv,n),ln.obj(e,t),ln.get(e,t,["currentOperation"]),ln.setGet(e,t,["delegates","_currentParent","preDelegateOperations","postDelegateOperations"]),ln.moveToProtected(e,t,["currentParent"]),function(e,t){t.classHierarchy.push("vtkRenderPass"),e.getOperation=()=>t.currentOperation,e.setCurrentOperation=e=>{t.currentOperation=e,t.currentTraverseOperation=`traverse${ln.capitalize(t.currentOperation)}`},e.getTraverseOperation=()=>t.currentTraverseOperation,e.traverse=(n,r=null)=>{t.deleted||(t._currentParent=r,t.preDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})),t.delegates.forEach((t=>{t.traverse(n,e)})),t.postDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})))}}(e,t)}var gv={newInstance:ln.newInstance(fv,"vtkRenderPass"),extend:fv};const{Representation:mv}=ds,{vtkErrorMacro:hv}=ln;function vv(e){const t=gd.substitute(e.Fragment,"//VTK::RenderPassFragmentShader::Impl","\n      float weight = gl_FragData[0].a * 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n=e.getSize(),r=e.getContext();t.framebuffer=Fp.newInstance(),t.framebuffer.setOpenGLRenderWindow(e),t.framebuffer.create(...n),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind(),t.translucentRGBATexture=Kd.newInstance(),t.translucentRGBATexture.setInternalFormat(r.RGBA16F),t.translucentRGBATexture.setFormat(r.RGBA),t.translucentRGBATexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRGBATexture.setOpenGLRenderWindow(e),t.translucentRGBATexture.create2DFromRaw({width:n[0],height:n[1],numComps:4,dataType:"Float32Array",data:null}),t.translucentRTexture=Kd.newInstance(),t.translucentRTexture.setInternalFormat(r.R16F),t.translucentRTexture.setFormat(r.RED),t.translucentRTexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRTexture.setOpenGLRenderWindow(e),t.translucentRTexture.create2DFromRaw({width:n[0],height:n[1],numComps:1,dataType:"Float32Array",data:null}),t.translucentZTexture=Kd.newInstance(),t.translucentZTexture.setOpenGLRenderWindow(e),t.translucentZTexture.createDepthFromRaw({width:n[0],height:n[1],dataType:"Float32Array",data:null}),t.framebuffer.setColorBuffer(t.translucentRGBATexture,0),t.framebuffer.setColorBuffer(t.translucentRTexture,1),t.framebuffer.setDepthBuffer(t.translucentZTexture)},e.createCopyShader=e=>{t.copyShader=e.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","attribute vec2 tcoordTC;","varying vec2 tcoord;","void main() { tcoord = tcoordTC; gl_Position = vertexDC; }"].join("\n"),"//VTK::System::Dec\n\nin vec2 tcoord;\n\nuniform sampler2D translucentRTexture;\nuniform sampler2D translucentRGBATexture;\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n  vec4 t1Color = texture(translucentRGBATexture, tcoord);\n  float t2Color = texture(translucentRTexture, tcoord).r;\n  gl_FragData[0] = vec4(t1Color.rgb/max(t2Color,0.01), 1.0 - t1Color.a);\n}\n","")},e.createVBO=n=>{const r=n.getContext();t.tris.setOpenGLRenderWindow(n),e.createVertexBuffer();const o=t.copyShader;t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),r.FLOAT,3,r.FALSE)||hv("Error setting vertexDC in copy shader VAO."),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"tcoordTC",t.tris.getCABO().getTCoordOffset(),t.tris.getCABO().getStride(),r.FLOAT,2,r.FALSE)||hv("Error setting vertexDC in copy shader VAO.")},e.traverse=(n,r,o)=>{if(t.deleted)return;const a=n.getSize(),i=n.getContext();if(t._supported=!1,r.getSelector()||!i||!n.getWebgl2()||!i.getExtension("EXT_color_buffer_half_float")&&!i.getExtension("EXT_color_buffer_float"))return e.setCurrentOperation("translucentPass"),void r.traverse(e);if(t._supported=!0,null===t.framebuffer)e.createFramebuffer(n);else{const 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s=r.getTiledSizeAndOrigin();i.scissor(s.lowerLeftU,s.lowerLeftV,s.usize,s.vsize),i.viewport(s.lowerLeftU,s.lowerLeftV,s.usize,s.vsize)},e.getShaderReplacement=()=>t._supported?vv:null,e.releaseGraphicsResources=n=>{t.framebuffer&&(t.framebuffer.releaseGraphicsResources(n),t.framebuffer=null),t.translucentRGBATexture&&(t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRGBATexture=null),t.translucentRTexture&&(t.translucentRTexture.releaseGraphicsResources(n),t.translucentRTexture=null),t.translucentZTexture&&(t.translucentZTexture.releaseGraphicsResources(n),t.translucentZTexture=null),t.copyVAO&&(t.copyVAO.releaseGraphicsResources(n),t.copyVAO=null),t.copyShader&&(t.copyShader.releaseGraphicsResources(n),t.copyShader=null),t.tris&&(t.tris.releaseGraphicsResources(n),t.tris=null),e.modified()}}(e,t)}var bv={newInstance:ln.newInstance(xv,"vtkOpenGLOrderIndependentTranslucentPass"),extend:xv};const Av={opaqueActorCount:0,translucentActorCount:0,volumeCount:0,overlayActorCount:0,framebuffer:null,depthRequested:!1};function yv(e,t,n={}){Object.assign(t,Av,n),gv.extend(e,t,n),ln.get(e,t,["framebuffer","opaqueActorCount","translucentActorCount","volumeCount"]),function(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=(n,r=null)=>{if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getRenderable().getNumberOfLayers(),a=n.getRenderable().getRenderersByReference();for(let r=0;r<o;r++)for(let o=0;o<a.length;o++){const i=a[o],s=n.getViewNodeFor(i);if(i.getDraw()&&i.getLayer()===r){if(t.opaqueActorCount=0,t.translucentActorCount=0,t.volumeCount=0,t.overlayActorCount=0,e.setCurrentOperation("queryPass"),s.traverse(e),(t.opaqueActorCount>0||t.translucentActorCount>0)&&t.volumeCount>0||t.depthRequested){const 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sT={type:null,hash:null,code:null,outputNames:null,outputTypes:null};function lT(e,t,n={}){Object.assign(t,sT,n),t.outputNames=[],t.outputTypes=[],t.outputInterpolations=[],t.builtinOutputNames=[],t.builtinOutputTypes=[],t.builtinInputNames=[],t.builtinInputTypes=[],ln.obj(e,t),ln.setGet(e,t,["type","hash","code"]),ln.getArray(e,t,["outputTypes","outputNames","outputInterpolations"]),function(e,t){t.classHierarchy.push("vtkWebGPUShaderDescription"),e.hasOutput=e=>t.outputNames.includes(e),e.addOutput=(e,n,r=void 0)=>{t.outputTypes.push(e),t.outputNames.push(n),t.outputInterpolations.push(r)},e.addBuiltinOutput=(e,n)=>{t.builtinOutputTypes.push(e),t.builtinOutputNames.push(n)},e.addBuiltinInput=(e,n)=>{t.builtinInputTypes.push(e),t.builtinInputNames.push(n)},e.replaceShaderCode=(e,n)=>{const r=[];let o=[];if(n&&r.push(n.getShaderCode()),e||t.builtinInputNames.length){const n=[];if(n.push(`struct ${t.type}Input\n{`),e){const 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 //VTK::RenderEncoder::Impl\n  return output;\n}\n",t.vertexShaderTemplate=t.vertexShaderTemplate||"\n//VTK::Renderer::Dec\n\n//VTK::Color::Dec\n\n//VTK::Normal::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Select::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@vertex\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n  var output : vertexOutput;\n\n  // var vertex: vec4<f32> = vertexBC;\n\n  //VTK::Color::Impl\n\n  //VTK::Normal::Impl\n\n  //VTK::TCoord::Impl\n\n  //VTK::Select::Impl\n\n  //VTK::Position::Impl\n\n  return output;\n}\n",t.shaderReplacements=new Map,ln.get(e,t,["pipeline","vertexInput"]),ln.setGet(e,t,["additionalBindables","device","fragmentShaderTemplate","interpolate","numberOfInstances","numberOfVertices","pipelineHash","shaderReplacements","SSBO","textureViews","topology","UBO","vertexShaderTemplate","WebGPURenderer"]),function(e,t){t.classHierarchy.push("vtkWebGPUSimpleMapper"),e.generateShaderDescriptions=(n,r,o)=>{const 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o=r.getCode();o=eT.substitute(o,"//VTK::Position::Impl",["    output.Position = rendererUBO.SCPCMatrix*vertexBC;"]).result,r.setCode(o)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderTCoord=(e,t,n)=>{t.getShaderDescription("vertex").addOutput("vec2<f32>","tcoordVS")},t.shaderReplacements.set("replaceShaderTCoord",e.replaceShaderTCoord),e.addTextureView=e=>{t.textureViews.includes(e)||t.textureViews.push(e)},e.prepareToDraw=n=>{t.renderEncoder=n,e.updateInput(),e.updateBuffers(),e.updateBindings(),e.updatePipeline()},e.updateInput=()=>{},e.updateBuffers=()=>{},e.updateBindings=()=>{t.bindGroup.setBindables(e.getBindables())},e.computePipelineHash=()=>{},e.getPipelineSettings=()=>null,e.registerDrawCallback=n=>{n.registerDrawCallback(t.pipeline,e.draw)},e.prepareAndDraw=n=>{e.prepareToDraw(n),n.setPipeline(t.pipeline),e.draw(n)},e.draw=e=>{const n=e.getBoundPipeline();e.activateBindGroup(t.bindGroup),t.WebGPURenderer&&t.WebGPURenderer.bindUBO(e),n.bindVertexInput(e,t.vertexInput);const r=t.vertexInput.getIndexBuffer();r?e.drawIndexed(r.getIndexCount(),t.numberOfInstances,0,0,0):e.draw(t.numberOfVertices,t.numberOfInstances,0,0)},e.getBindables=()=>{const e=[...t.additionalBindables];t.UBO&&e.push(t.UBO),t.SSBO&&e.push(t.SSBO);for(let n=0;n<t.textureViews.length;n++){e.push(t.textureViews[n]);const r=t.textureViews[n].getSampler();r&&e.push(r)}return e},e.updatePipeline=()=>{e.computePipelineHash(),t.pipeline=t.device.getPipeline(t.pipelineHash),t.pipeline||(t.pipeline=iT.newInstance(),t.pipeline.setDevice(t.device),t.WebGPURenderer&&t.pipeline.addBindGroupLayout(t.WebGPURenderer.getBindGroup()),t.pipeline.addBindGroupLayout(t.bindGroup),e.generateShaderDescriptions(t.pipelineHash,t.pipeline,t.vertexInput),t.pipeline.setExtraPipelineSettings(e.getPipelineSettings()),t.pipeline.setTopology(t.topology),t.pipeline.setRenderEncoder(t.renderEncoder),t.pipeline.setVertexState(t.vertexInput.getVertexInputInformation()),t.device.createPipeline(t.pipelineHash,t.pipeline))}}(e,t)}var TT={newInstance:ln.newInstance(vT,"vtkWebGPUSimpleMapper"),extend:vT};const xT={};function bT(e,t,n={}){Object.assign(t,xT,n),TT.extend(e,t,n),function(e,t){t.classHierarchy.push("vtkWebGPUFullScreenQuad"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4<f32>","@builtin(position) 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0,loadOp:"load",storeOp:"store"}],depthStencilAttachment:{view:void 0,depthLoadOp:"clear",depthClearValue:0,depthStoreOp:"store"}},t.replaceShaderCodeFunction=e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4<f32>","outColor");let n=t.getCode();n=eT.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = computedColor;"]).result,t.setCode(n)},t.pipelineSettings={primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater-equal",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcFactor:"one",dstFactor:"one-minus-src-alpha"}}}]}},t.colorTextureViews=[],Ft(e,t,["boundPipeline","colorTextureViews"]),Ut(e,t,["depthTextureView","description","handle","label","pipelineHash","pipelineSettings","replaceShaderCodeFunction"]),function(e,t){t.classHierarchy.push("vtkWebGPURenderEncoder"),e.begin=e=>{t.drawCallbacks=[],t.handle=e.beginRenderPass(t.description),t.label&&t.handle.pushDebugGroup(t.label)},e.end=()=>{for(let n=0;n<t.drawCallbacks.length;n++){const r=t.drawCallbacks[n],o=r.pipeline;e.setPipeline(o);for(let t=0;t<r.callbacks.length;t++)r.callbacks[t](e)}t.label&&t.handle.popDebugGroup(),t.handle.end(),t.boundPipeline=null},e.setPipeline=e=>{if(t.boundPipeline===e)return;t.handle.setPipeline(e.getHandle());const n=e.getPipelineDescription();if(t.colorTextureViews.length!==n.fragment.targets.length)console.log(`mismatched attachment counts on pipeline ${n.fragment.targets.length} while encoder has ${t.colorTextureViews.length}`),console.trace();else for(let e=0;e<t.colorTextureViews.length;e++){const r=t.colorTextureViews[e].getTexture()?.getFormat();r&&r!==n.fragment.targets[e].format&&(console.log(`mismatched attachments for attachment ${e} on pipeline ${n.fragment.targets[e].format} while encoder has ${r}`),console.trace())}if(!t.depthTextureView!=!("depthStencil"in n))console.log("mismatched depth attachments"),console.trace();else if(t.depthTextureView){const e=t.depthTextureView.getTexture()?.getFormat();e&&e!==n.depthStencil.format&&(console.log(`mismatched depth attachments on pipeline ${n.depthStencil.format} while encoder has ${e}`),console.trace())}t.boundPipeline=e},e.replaceShaderCode=e=>{t.replaceShaderCodeFunction(e)},e.setColorTextureView=(e,n)=>{t.colorTextureViews[e]!==n&&(t.colorTextureViews[e]=n)},e.activateBindGroup=e=>{const n=t.boundPipeline.getDevice(),r=t.boundPipeline.getBindGroupLayoutCount(e.getLabel());t.handle.setBindGroup(r,e.getBindGroup(n));const o=n.getBindGroupLayoutDescription(e.getBindGroupLayout(n)),a=n.getBindGroupLayoutDescription(t.boundPipeline.getBindGroupLayout(r));o!==a&&(console.log(`renderEncoder ${t.pipelineHash} mismatched bind group layouts bind group has\n${o}\n versus pipeline\n${a}\n`),console.trace())},e.attachTextureViews=()=>{for(let e=0;e<t.colorTextureViews.length;e++)t.description.colorAttachments[e]?t.description.colorAttachments[e].view=t.colorTextureViews[e].getHandle():t.description.colorAttachments[e]={view:t.colorTextureViews[e].getHandle()};t.depthTextureView&&(t.description.depthStencilAttachment.view=t.depthTextureView.getHandle())},e.registerDrawCallback=(e,n)=>{for(let r=0;r<t.drawCallbacks.length;r++)if(t.drawCallbacks[r].pipeline===e)return void t.drawCallbacks[r].callbacks.push(n);t.drawCallbacks.push({pipeline:e,callbacks:[n]})};for(let n=0;n<yT.length;n++)e[yT[n]]=(...e)=>t.handle[yT[n]](...e)}(e,t)}var PT={newInstance:qt(ST,"vtkWebGPURenderEncoder"),extend:ST};const wT={device:null,handle:null,label:null,options:null};function IT(e,t,n={}){Object.assign(t,wT,n),ln.obj(e,t),t.options={},t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,sampler:{}},t.bindGroupTime={},ln.obj(t.bindGroupTime,{mtime:0}),ln.get(e,t,["bindGroupTime","handle","options"]),ln.setGet(e,t,["bindGroupLayoutEntry","device","label"]),function(e,t){t.classHierarchy.push("vtkWebGPUSampler"),e.create=(e,n={})=>{t.device=e,t.options.addressModeU=n.addressModeU?n.addressModeU:"clamp-to-edge",t.options.addressModeV=n.addressModeV?n.addressModeV:"clamp-to-edge",t.options.addressModeW=n.addressModeW?n.addressModeW:"clamp-to-edge",t.options.magFilter=n.magFilter?n.magFilter:"nearest",t.options.minFilter=n.minFilter?n.minFilter:"nearest",t.options.mipmapFilter=n.mipmapFilter?n.mipmapFilter:"nearest",t.options.label=t.label,t.handle=t.device.getHandle().createSampler(t.options),t.bindGroupTime.modified()},e.getShaderCode=(e,n)=>`@binding(${e}) @group(${n}) var ${t.label}: sampler;`,e.getBindGroupEntry=()=>({resource:t.handle})}(e,t)}var OT={newInstance:ln.newInstance(IT),extend:IT};const RT={texture:null,handle:null,sampler:null,label:null};function MT(e,t,n={}){Object.assign(t,RT,n),ln.obj(e,t),t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,texture:{sampleType:"float",viewDimension:"2d"}},t.bindGroupTime={},ln.obj(t.bindGroupTime,{mtime:0}),ln.get(e,t,["bindGroupTime","texture"]),ln.setGet(e,t,["bindGroupLayoutEntry","label","sampler"]),function(e,t){t.classHierarchy.push("vtkWebGPUTextureView"),e.create=(e,n)=>{t.texture=e,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=dT.getDetailsFromTextureFormat(t.texture.getFormat());t.bindGroupLayoutEntry.texture.sampleType=r.sampleType},e.createFromTextureHandle=(e,n)=>{t.texture=null,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e,t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=dT.getDetailsFromTextureFormat(n.format);t.bindGroupLayoutEntry.texture.sampleType=r.sampleType,t.bindGroupTime.modified()},e.getBindGroupEntry=()=>({resource:e.getHandle()}),e.getShaderCode=(e,n)=>{let r="f32";"sint"===t.bindGroupLayoutEntry.texture.sampleType?r="i32":"uint"===t.bindGroupLayoutEntry.texture.sampleType&&(r="u32");let o=`@binding(${e}) @group(${n}) var ${t.label}: texture_${t.options.dimension}<${r}>;`;return"depth"===t.bindGroupLayoutEntry.texture.sampleType&&(o=`@binding(${e}) @group(${n}) var ${t.label}: texture_depth_${t.options.dimension};`),o},e.addSampler=(n,r)=>{const o=OT.newInstance({label:`${t.label}Sampler`});o.create(n,r),e.setSampler(o)},e.getBindGroupTime=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.bindGroupTime),e.getHandle=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.handle)}(e,t)}var DT={newInstance:ln.newInstance(MT),extend:MT};const ET={device:null,handle:null,buffer:null,ready:!1,label:null};function VT(e,t,n={}){Object.assign(t,ET,n),ln.obj(e,t),ln.get(e,t,["handle","ready","width","height","depth","format","usage"]),ln.setGet(e,t,["device","label"]),function(e,t){t.classHierarchy.push("vtkWebGPUTexture"),e.create=(e,n)=>{t.device=e,t.width=n.width,t.height=n.height,t.depth=n.depth?n.depth:1;const r=1===t.depth?"2d":"3d";t.format=n.format?n.format:"rgba8unorm",t.mipLevel=n.mipLevel?n.mipLevel:0,t.usage=n.usage?n.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label,dimension:r,mipLevelCount:t.mipLevel+1})},e.assignFromHandle=(e,n,r)=>{t.device=e,t.handle=n,t.width=r.width,t.height=r.height,t.depth=r.depth?r.depth:1,t.format=r.format?r.format:"rgba8unorm",t.usage=r.usage?r.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST},e.writeImageData=n=>{let r=[];const o=r=>{t.device.getHandle().queue.copyExternalImageToTexture({source:r,flipY:n.flip},{texture:t.handle,premultipliedAlpha:!0,mipLevel:0,origin:{x:0,y:0,z:0}},[r.width,r.height,t.depth]),3!==e.getDimensionality()&&t.mipLevel>0&&Ru.generateMipmaps(t.device.getHandle(),t.handle,t.mipLevel+1),t.ready=!0};if(n.canvas)return void o(n.canvas);if(n.imageBitmap)return n.width=n.imageBitmap.width,n.height=n.imageBitmap.height,n.depth=1,n.format="rgba8unorm",n.flip=!0,void o(n.imageBitmap);if(n.jsImageData)return n.width=n.jsImageData.width,n.height=n.jsImageData.height,n.depth=1,n.format="rgba8unorm",n.flip=!0,void o(n.jsImageData);if(n.image)return n.width=n.image.width,n.height=n.image.height,n.depth=1,n.format="rgba8unorm",n.flip=!0,void o(n.image);const a=dT.getDetailsFromTextureFormat(t.format);let i=t.width*a.stride;n.nativeArray&&(r=n.nativeArray);const s=3===e.getDimensionality(),l=((e,t,n)=>{const r=2===a.elementSize&&"float"===a.sampleType,o=e.BYTES_PER_ELEMENT,i=e.length/(t*n)*o;if(!r&&i%256==0)return[e,i];const s=i/o,l=a.elementSize,c=256*Math.floor((s*l+255)/256),u=c/l,d=ln.newTypedArray(r?"Uint16Array":e.constructor.name,u*t*n),p=t*n;if(r)for(let t=0;t<p;t++){const n=t*s,r=t*u;for(let t=0;t<s;t++)d[r+t]=Id.toHalf(e[n+t])}else if(u===s)d.set(e);else for(let t=0;t<p;t++)d.set(e.subarray(t*s,(t+1)*s),t*u);return[d,c]})(r,t.height,s?t.depth:1);i=l[1];const c=l[0];t.device.getHandle().queue.writeTexture({texture:t.handle,mipLevel:0,origin:{x:0,y:0,z:0}},c,{offset:0,bytesPerRow:i,rowsPerImage:t.height},{width:t.width,height:t.height,depthOrArrayLayers:s?t.depth:1}),!s&&t.mipLevel>0&&Ru.generateMipmaps(t.device.getHandle(),t.handle,t.mipLevel+1),t.ready=!0},e.getScale=()=>{const e=dT.getDetailsFromTextureFormat(t.format);return 2===e.elementSize&&"float"===e.sampleType?1:255},e.getNumberOfComponents=()=>dT.getDetailsFromTextureFormat(t.format).numComponents,e.getDimensionality=()=>{let e=0;return t.width>1&&e++,t.height>1&&e++,t.depth>1&&e++,e},e.resizeToMatch=e=>{e.getWidth()===t.width&&e.getHeight()===t.height&&e.getDepth()===t.depth||(t.width=e.getWidth(),t.height=e.getHeight(),t.depth=e.getDepth(),t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.resize=(e,n,r=1)=>{e===t.width&&n===t.height&&r===t.depth||(t.width=e,t.height=n,t.depth=r,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.createView=(n,r={})=>{r.dimension||(r.dimension=1===t.depth?"2d":"3d");const o=DT.newInstance({label:n});return o.create(e,r),o}}(e,t)}var LT={newInstance:ln.newInstance(VT),extend:VT};const BT={renderEncoder:null,colorTexture:null,depthTexture:null};function FT(e,t,n={}){Object.assign(t,BT,n),gv.extend(e,t,n),ln.get(e,t,["colorTexture","depthTexture"]),function(e,t){t.classHierarchy.push("vtkWebGPUOpaquePass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.renderEncoder)t.colorTexture.resize(r.getCanvas().width,r.getCanvas().height),t.depthTexture.resize(r.getCanvas().width,r.getCanvas().height);else{e.createRenderEncoder(),t.colorTexture=LT.newInstance({label:"opaquePassColor"}),t.colorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const n=t.colorTexture.createView("opaquePassColorTexture");t.renderEncoder.setColorTextureView(0,n),t.depthFormat="depth32float",t.depthTexture=LT.newInstance({label:"opaquePassDepth"}),t.depthTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:t.depthFormat,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const a=t.depthTexture.createView("opaquePassDepthTexture");t.renderEncoder.setDepthTextureView(a)}t.renderEncoder.attachTextureViews(),e.setCurrentOperation("opaquePass"),n.setRenderEncoder(t.renderEncoder),n.traverse(e)},e.getColorTextureView=()=>t.renderEncoder.getColorTextureViews()[0],e.getDepthTextureView=()=>t.renderEncoder.getDepthTextureView(),e.createRenderEncoder=()=>{t.renderEncoder=PT.newInstance({label:"OpaquePass"}),t.renderEncoder.setPipelineHash("op")}}(e,t)}var NT={newInstance:ln.newInstance(FT,"vtkWebGPUOpaquePass"),extend:FT};const kT={colorTextureView:null,depthTextureView:null};function GT(e,t,n={}){Object.assign(t,kT,n),gv.extend(e,t,n),ln.setGet(e,t,["colorTextureView","depthTextureView"]),function(e,t){t.classHierarchy.push("vtkWebGPUOrderIndependentTranslucentPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.translucentRenderEncoder)t.translucentColorTexture.resizeToMatch(t.colorTextureView.getTexture()),t.translucentAccumulateTexture.resizeToMatch(t.colorTextureView.getTexture());else{e.createRenderEncoder(),e.createFinalEncoder(),t.translucentColorTexture=LT.newInstance({label:"translucentPassColor"}),t.translucentColorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const n=t.translucentColorTexture.createView("oitpColorTexture");t.translucentRenderEncoder.setColorTextureView(0,n),t.translucentAccumulateTexture=LT.newInstance({label:"translucentPassAccumulate"}),t.translucentAccumulateTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const a=t.translucentAccumulateTexture.createView("oitpAccumTexture");t.translucentRenderEncoder.setColorTextureView(1,a),t.fullScreenQuad=AT.newInstance(),t.fullScreenQuad.setDevice(r.getDevice()),t.fullScreenQuad.setPipelineHash("oitpfsq"),t.fullScreenQuad.setTextureViews(t.translucentRenderEncoder.getColorTextureViews()),t.fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n  var output: fragmentOutput;\n\n  var tcoord: vec2<i32> = vec2<i32>(i32(input.fragPos.x), i32(input.fragPos.y));\n  var reveal: f32 = textureLoad(oitpAccumTexture, tcoord, 0).r;\n  if (reveal == 1.0) { discard; }\n  var tcolor: vec4<f32> = textureLoad(oitpColorTexture, tcoord, 0);\n  var total: f32 = max(tcolor.a, 0.01);\n  var computedColor: vec4<f32> = vec4<f32>(tcolor.r/total, tcolor.g/total, tcolor.b/total, 1.0 - reveal);\n\n  //VTK::RenderEncoder::Impl\n  return output;\n}\n")}t.translucentRenderEncoder.setDepthTextureView(t.depthTextureView),t.translucentRenderEncoder.attachTextureViews(),e.setCurrentOperation("translucentPass"),n.setRenderEncoder(t.translucentRenderEncoder),n.traverse(e),e.finalPass(r,n)},e.finalPass=(e,n)=>{t.translucentFinalEncoder.setColorTextureView(0,t.colorTextureView),t.translucentFinalEncoder.attachTextureViews(),t.translucentFinalEncoder.begin(e.getCommandEncoder()),n.scissorAndViewport(t.translucentFinalEncoder),t.fullScreenQuad.prepareAndDraw(t.translucentFinalEncoder),t.translucentFinalEncoder.end()},e.getTextures=()=>[t.translucentColorTexture,t.translucentAccumulateTexture],e.createRenderEncoder=()=>{t.translucentRenderEncoder=PT.newInstance({label:"translucentRender"});const e=t.translucentRenderEncoder.getDescription();e.colorAttachments=[{view:void 0,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:void 0,clearValue:[1,0,0,0],loadOp:"clear",storeOp:"store"}],e.depthStencilAttachment={view:void 0,depthLoadOp:"load",depthStoreOp:"store"},t.translucentRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4<f32>","outColor"),t.addOutput("f32","outAccum"),t.addBuiltinInput("vec4<f32>","@builtin(position) fragPos");let n=t.getCode();n=eT.substitute(n,"//VTK::RenderEncoder::Impl",["var w: f32 = computedColor.a * pow(0.1 + input.fragPos.z, 2.0);","output.outColor = vec4<f32>(computedColor.rgb*w, w);","output.outAccum = computedColor.a;"]).result,t.setCode(n)})),t.translucentRenderEncoder.setPipelineHash("oitpr"),t.translucentRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!1,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one"},alpha:{srcFactor:"one",dstFactor:"one"}}},{format:"r16float",blend:{color:{srcFactor:"zero",dstFactor:"one-minus-src"},alpha:{srcFactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createFinalEncoder=()=>{t.translucentFinalEncoder=PT.newInstance({label:"translucentFinal"}),t.translucentFinalEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t.translucentFinalEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4<f32>","outColor"),t.addBuiltinInput("vec4<f32>","@builtin(position) fragPos");let n=t.getCode();n=eT.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4<f32>(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t.translucentFinalEncoder.setPipelineHash("oitpf"),t.translucentFinalEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcFactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})}}(e,t)}var UT={newInstance:ln.newInstance(GT,"vtkWebGPUOrderIndependentTranslucentPass"),extend:GT};var _T={BufferUsage:{Verts:0,Lines:1,Triangles:2,Strips:3,LinesFromStrips:4,LinesFromTriangles:5,Points:6,UniformArray:7,PointArray:8,NormalsFromPoints:9,Texture:10,RawVertex:11,Storage:12,Index:13},PrimitiveTypes:{Start:0,Points:0,Lines:1,Triangles:2,TriangleStrips:3,TriangleEdges:4,TriangleStripEdges:5,End:6}};const KT=["getMappedRange","mapAsync","unmap"];function zT(e,t){t.classHierarchy.push("vtkWebGPUBuffer"),e.create=(e,n)=>{t.handle=t.device.getHandle().createBuffer({size:e,usage:n,label:t.label}),t.sizeInBytes=e,t.usage=n},e.write=e=>{!function(e,t,n,r){const o=r.byteLength,a=e.createBuffer({size:o,usage:GPUBufferUsage.COPY_SRC,mappedAtCreation:!0}),i=a.getMappedRange(0,o);new Uint8Array(i).set(new Uint8Array(r)),a.unmap();const s=e.createCommandEncoder();s.copyBufferToBuffer(a,0,t,n,o);const l=s.finish();e.queue.submit([l]),a.destroy()}(t.device.getHandle(),t.handle,0,e.buffer)},e.createAndWrite=(e,n)=>{const r=4*Math.ceil(e.byteLength/4);t.handle=t.device.getHandle().createBuffer({size:r,usage:n,mappedAtCreation:!0,label:t.label}),t.sizeInBytes=r,t.usage=n,new Uint8Array(t.handle.getMappedRange()).set(new Uint8Array(e.buffer)),t.handle.unmap()};for(let n=0;n<KT.length;n++)e[KT[n]]=(...e)=>t.handle[KT[n]](...e)}const WT={device:null,handle:null,sizeInBytes:0,strideInBytes:0,arrayInformation:null,usage:null,label:null,sourceTime:null};function HT(e,t,n={}){Object.assign(t,WT,n),ln.obj(e,t),ln.get(e,t,["handle","sizeInBytes","usage"]),ln.setGet(e,t,["strideInBytes","device","arrayInformation","label","sourceTime"]),zT(e,t)}var jT={newInstance:ln.newInstance(HT),extend:HT,..._T};const{Representation:XT}=ds,{PrimitiveTypes:qT}=_T;class YT{constructor(){this.keys=new Uint32Array(10),this.values=new Uint32Array(10),this.count=0}clear(){this.count=0}has(e){for(let t=0;t<this.count;t++)if(this.keys[t]===e)return!0}get(e){for(let t=0;t<this.count;t++)if(this.keys[t]===e)return this.values[t]}set(e,t){this.count<9&&(this.keys[this.count]=e,this.values[this.count++]=t)}}function JT(e,t,n){let r=e.pointIdToFlatId[t];return r<0&&(r=e.flatId,e.pointIdToFlatId[t]=r,e.flatIdToPointId[e.flatId]=t,e.flatIdToCellId[e.flatId]=n,e.flatId++),r}function ZT(e,t,n){const r=e.length;for(let o=0;o<r;o++){let a=e[o];if(n.cellProvokedMap.has(a)){n.ibo[n.iboId++]=n.cellProvokedMap.get(a);for(let i=o+1;i<o+r;i++){a=e[i%r];const o=JT(n,a,t);n.ibo[n.iboId++]=o}return}}for(let o=0;o<r;o++){let a=e[o];if(!n.provokedPointIds[a]){let i=JT(n,a,t);n.provokedPointIds[a]=1,n.cellProvokedMap.set(a,i),n.flatIdToCellId[i]=t,n.ibo[n.iboId++]=i;for(let s=o+1;s<o+r;s++)a=e[s%r],i=JT(n,a,t),n.ibo[n.iboId++]=i;return}}let o=e[0],a=n.flatId;n.cellProvokedMap.set(o,a),n.flatIdToPointId[n.flatId]=o,n.flatIdToCellId[n.flatId]=t,n.flatId++,n.ibo[n.iboId++]=a;for(let i=1;i<r;i++)o=e[i],a=JT(n,o,t),n.ibo[n.iboId++]=a}function QT(e,t,n){const r=e.length;n.iboSize+=r;for(let t=0;t<r;t++){const r=e[t];if(n.cellProvokedMap.has(r))return}for(let t=0;t<r;t++){const r=e[t];if(!n.provokedPointIds[r])return n.provokedPointIds[r]=1,void n.cellProvokedMap.set(r,1)}n.cellProvokedMap.set(e[0],1),n.extraPoints++}let $T;const ex=new Uint32Array(1),tx=new Uint32Array(2),nx=new Uint32Array(3),rx={anythingToPoints(e,t,n,r,o){for(let a=0;a<e;++a)ex[0]=t[n+a],$T(ex,r,o)},linesToWireframe(e,t,n,r,o){for(let a=0;a<e-1;++a)tx[0]=t[n+a],tx[1]=t[n+a+1],$T(tx,r,o)},polysToWireframe(e,t,n,r,o){if(e>2)for(let a=0;a<e;++a)tx[0]=t[n+a],tx[1]=t[n+(a+1)%e],$T(tx,r,o)},stripsToWireframe(e,t,n,r,o){if(e>2){for(let a=0;a<e-1;++a)tx[0]=t[n+a],tx[1]=t[n+a+1],$T(tx,r,o);for(let a=0;a<e-2;a++)tx[0]=t[n+a],tx[1]=t[n+a+2],$T(tx,r,o)}},polysToSurface(e,t,n,r,o){for(let a=0;a<e-2;a++)nx[0]=t[n],nx[1]=t[n+a+1],nx[2]=t[n+a+2],$T(nx,r,o)},stripsToSurface(e,t,n,r,o){for(let a=0;a<e-2;a++)nx[0]=t[n+a],nx[1]=t[n+a+1+a%2],nx[2]=t[n+a+1+(a+1)%2],$T(nx,r,o)}};function ox(e,t){t.classHierarchy.push("vtkWebGPUIndexBuffer"),e.buildIndexBuffer=e=>{const n=e.cells,r=e.primitiveType,o=e.representation,a=e.cellOffset,i=n.getData(),s=i.length,l=function(e){switch(e){case qT.Points:return"points";case qT.Lines:return"lines";case qT.Triangles:case qT.TriangleEdges:return"polys";case qT.TriangleStripEdges:case qT.TriangleStrips:return"strips";default:return""}}(r),c=e.numberOfPoints,u={provokedPointIds:new Uint8Array(c),extraPoints:0,iboSize:0,flatId:0,iboId:0,cellProvokedMap:new YT};let d=null;d=o===XT.POINTS||r===qT.Points?rx.anythingToPoints:o===XT.WIREFRAME||r===qT.Lines?rx[`${l}ToWireframe`]:rx[`${l}ToSurface`],$T=QT;let p=a||0;for(let e=0;e<s;)u.cellProvokedMap.clear(),d(i[e],i,e+1,p,u),e+=i[e]+1,p++;u.flatIdToPointId=c<=65535?new Uint16Array(c+u.extraPoints):new Uint32Array(c+u.extraPoints),c+u.extraPoints<36863?u.pointIdToFlatId=new Int16Array(c):u.pointIdToFlatId=new Int32Array(c),c+u.extraPoints<=65535?(u.ibo=new Uint16Array(u.iboSize),e.format="uint16"):(u.ibo=new Uint32Array(u.iboSize),e.format="uint32"),u.flatIdToCellId=p<=65535?new Uint16Array(c+u.extraPoints):new Uint32Array(c+u.extraPoints),u.pointIdToFlatId.fill(-1),u.provokedPointIds.fill(0),$T=ZT,p=a||0;for(let e=0;e<s;)u.cellProvokedMap.clear(),d(i[e],i,e+1,p,u),e+=i[e]+1,p++;delete u.provokedPointIds,delete 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f=e.getFlatIdToPointId();o.cellData&&(f=e.getFlatIdToCellId()),1===n?u=function(e){p[d++]=l[0]*t[e]+s[0]}:2===n?u=function(e){p[d++]=l[0]*t[e]+s[0],p[d++]=l[1]*t[e+1]+s[1]}:3!==n||c?3===n&&c?u=function(e){p[d++]=l[0]*t[e]+s[0],p[d++]=l[1]*t[e+1]+s[1],p[d++]=l[2]*t[e+2]+s[2],p[d++]=1*l[3]+s[3]}:4===n&&(u=function(e){p[d++]=l[0]*t[e]+s[0],p[d++]=l[1]*t[e+1]+s[1],p[d++]=l[2]*t[e+2]+s[2],p[d++]=l[3]*t[e+3]+s[3]}):u=function(e){p[d++]=l[0]*t[e]+s[0],p[d++]=l[1]*t[e+1]+s[1],p[d++]=l[2]*t[e+2]+s[2]};for(let e=0;e<i;e++){u(n*f[e])}return a.nativeArray=p,a}function px(e,t,n,r){const o=[];return Ho([e[3*r]-e[3*n],e[3*r+1]-e[3*n+1],e[3*r+2]-e[3*n+2]],[e[3*t]-e[3*n],e[3*t+1]-e[3*n+1],e[3*t+2]-e[3*n+2]],o),Xo(o),o}function fx(e,t){function n(e){let n,r;if(e.dataArray&&!e.nativeArray&&(e.nativeArray=e.dataArray.getData()),e.usage===lx.Index&&(n=sx.newInstance({label:e.label}),n.setDevice(t.device),r=GPUBufferUsage.INDEX|GPUBufferUsage.COPY_DST,n.buildIndexBuffer(e),n.createAndWrite(e.nativeArray,r),n.setArrayInformation([{format:e.format}])),n||(n=jT.newInstance({label:e.label}),n.setDevice(t.device)),e.usage===lx.UniformArray&&(r=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,n.createAndWrite(e.nativeArray,r)),e.usage===lx.Storage&&(r=GPUBufferUsage.STORAGE|GPUBufferUsage.COPY_DST,n.createAndWrite(e.nativeArray,r)),e.usage===lx.Texture&&(r=GPUBufferUsage.COPY_SRC,n.createAndWrite(e.nativeArray,r)),e.usage===lx.PointArray){r=GPUBufferUsage.VERTEX;const 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o}(e.cells,e.dataArray),a=dx(e.indexBuffer,o,4,t,{cellData:!0});n.createAndWrite(a.nativeArray,r),n.setStrideInBytes(dT.getByteStrideFromBufferFormat(e.format)),n.setArrayInformation([{offset:0,format:e.format,interpolation:"flat"}])}return e.usage===lx.RawVertex&&(r=GPUBufferUsage.VERTEX,n.createAndWrite(e.nativeArray,r),n.setStrideInBytes(dT.getByteStrideFromBufferFormat(e.format)),n.setArrayInformation([{offset:0,format:e.format}])),n.setSourceTime(e.time),n}t.classHierarchy.push("vtkWebGPUBufferManager"),e.hasBuffer=e=>t.device.hasCachedObject(e),e.getBuffer=e=>e.hash?t.device.getCachedObject(e.hash,n,e):n(e),e.getBufferForPointArray=(t,n)=>{const r=function(e){let t;switch(e.getDataType()){case ux.UNSIGNED_CHAR:t="uint8";break;case ux.FLOAT:t="float32";break;case ux.UNSIGNED_INT:t="uint32";break;case ux.INT:t="sint32";break;case ux.DOUBLE:t="float32";break;case ux.UNSIGNED_SHORT:t="uint16";break;case ux.SHORT:t="sin16";break;default:t="float32"}switch(e.getNumberOfComponents()){case 2:t+="x2";break;case 3:t.includes("32")||cx(`unsupported x3 type for ${t}`),t+="x3";break;case 4:t+="x4"}return t}(t),o={hash:`${t.getMTime()}I${n.getMTime()}${r}`,usage:lx.PointArray,format:r,dataArray:t,indexBuffer:n};return e.getBuffer(o)},e.getFullScreenQuadBuffer=()=>{if(t.fullScreenQuadBuffer)return t.fullScreenQuadBuffer;t.fullScreenQuadBuffer=jT.newInstance(),t.fullScreenQuadBuffer.setDevice(t.device);const e=new Float32Array([-1,-1,0,1,-1,0,1,1,0,-1,-1,0,1,1,0,-1,1,0]);return t.fullScreenQuadBuffer.createAndWrite(e,GPUBufferUsage.VERTEX),t.fullScreenQuadBuffer.setStrideInBytes(12),t.fullScreenQuadBuffer.setArrayInformation([{offset:0,format:"float32x3"}]),t.fullScreenQuadBuffer}}const gx={device:null,fullScreenQuadBuffer:null};function mx(e,t,n={}){Object.assign(t,gx,n),Lt(e,t),Ut(e,t,["device"]),fx(e,t)}var hx={newInstance:qt(mx),extend:mx,..._T};const{BufferUsage:vx}=hx,{vtkErrorMacro:Tx}=ln;const xx={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,bindGroupLayoutEntry:null,bindGroupEntry:null};function bx(e,t,n={}){Object.assign(t,xx,n),ln.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"uniform"}},t.sendTime={},ln.obj(t.sendTime,{mtime:0}),t.bindGroupTime={},ln.obj(t.bindGroupTime,{mtime:0}),t.sendDirty=!0,t.sortDirty=!0,ln.get(e,t,["binding","bindGroupTime"]),ln.setGet(e,t,["bindGroupLayoutEntry","device","label","sizeInBytes"]),function(e,t){t.classHierarchy.push("vtkWebGPUUniformBuffer"),e.addEntry=(e,n)=>{t._bufferEntryNames.has(e)?Tx(`entry named ${e} already exists`):(t.sortDirty=!0,t._bufferEntryNames.set(e,t.bufferEntries.length),t.bufferEntries.push({name:e,type:n,sizeInBytes:dT.getByteStrideFromShaderFormat(n),offset:-1,nativeType:dT.getNativeTypeFromShaderFormat(n),packed:!1}))},e.sortBufferEntries=()=>{if(!t.sortDirty)return;let e=0;const n=[];let r=4;for(let e=0;e<t.bufferEntries.length;e++){const n=t.bufferEntries[e];n.sizeInBytes%16==0&&(r=Math.max(16,r)),n.sizeInBytes%8==0&&(r=Math.max(8,r))}for(let r=0;r<t.bufferEntries.length;r++){const o=t.bufferEntries[r];!1===o.packed&&o.sizeInBytes%16==0&&(o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes)}for(let r=0;r<t.bufferEntries.length;r++){const o=t.bufferEntries[r];if(!1===o.packed&&12===o.sizeInBytes)for(let r=0;r<t.bufferEntries.length;r++){const a=t.bufferEntries[r];if(!1===a.packed&&4===a.sizeInBytes){o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes,a.packed=!0,a.offset=e,n.push(a),e+=a.sizeInBytes;break}}}for(let r=0;r<t.bufferEntries.length;r++){const o=t.bufferEntries[r];if(!o.packed&&o.sizeInBytes%8==0)for(let a=r+1;a<t.bufferEntries.length;a++){const r=t.bufferEntries[a];if(!r.packed&&r.sizeInBytes%8==0){o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes,r.packed=!0,r.offset=e,n.push(r),e+=r.sizeInBytes;break}}}for(let r=0;r<t.bufferEntries.length;r++){const o=t.bufferEntries[r];if(!o.packed&&o.sizeInBytes%8==0){let r=!1;for(let a=0;!r&&a<t.bufferEntries.length;a++){const i=t.bufferEntries[a];if(!i.packed&&4===i.sizeInBytes)for(let s=a+1;s<t.bufferEntries.length;s++){const a=t.bufferEntries[s];if(!a.packed&&4===a.sizeInBytes){o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes,i.packed=!0,i.offset=e,n.push(i),e+=i.sizeInBytes,a.packed=!0,a.offset=e,n.push(a),e+=a.sizeInBytes,r=!0;break}}}}}for(let r=0;r<t.bufferEntries.length;r++){const o=t.bufferEntries[r];!o.packed&&o.sizeInBytes>4&&(o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes)}for(let r=0;r<t.bufferEntries.length;r++){const o=t.bufferEntries[r];o.packed||(o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes)}t.bufferEntries=n,t._bufferEntryNames.clear();for(let e=0;e<t.bufferEntries.length;e++)t._bufferEntryNames.set(t.bufferEntries[e].name,e);t.sizeInBytes=e,t.sizeInBytes=r*Math.ceil(t.sizeInBytes/r),t.sortDirty=!1},e.sendIfNeeded=e=>{if(!t.UBO){const n={nativeArray:t.Float32Array,usage:vx.UniformArray,label:t.label};t.UBO=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),t.sendDirty=!1}t.sendDirty&&(e.getHandle().queue.writeBuffer(t.UBO.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes),t.sendDirty=!1),t.sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes)),t[e]=ln.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void Tx(`entry named ${n} not found in UBO`);const a=t.bufferEntries[o];e.createView(a.nativeType);const i=t[a.nativeType];a.lastValue!==r&&(i[a.offset/i.BYTES_PER_ELEMENT]=r,t.sendDirty=!0),a.lastValue=r},e.setArray=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void Tx(`entry named ${n} not found in UBO`);const a=t.bufferEntries[o];e.createView(a.nativeType);const i=t[a.nativeType];let s=!1;for(let e=0;e<r.length;e++)a.lastValue&&a.lastValue[e]===r[e]||(i[a.offset/i.BYTES_PER_ELEMENT+e]=r[e],s=!0);s&&(t.sendDirty=!0,a.lastValue=[...r])},e.getBindGroupEntry=()=>({resource:{buffer:t.UBO.getHandle()}}),e.getSendTime=()=>t.sendTime.getMTime(),e.getShaderCode=(n,r)=>{e.sortBufferEntries();const o=[`struct ${t.label}Struct\n{`];for(let e=0;e<t.bufferEntries.length;e++){const n=t.bufferEntries[e];o.push(`  ${n.name}: ${n.type},`)}return o.push(`};\n@binding(${n}) @group(${r}) var<uniform> ${t.label}: ${t.label}Struct;`),o.join("\n")}}(e,t)}var Ax={newInstance:ln.newInstance(bx,"vtkWebGPUUniformBuffer"),extend:bx};const{BufferUsage:yx}=hx,{vtkErrorMacro:Cx}=ln;const Sx={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,numberOfInstances:1};function Px(e,t,n={}){Object.assign(t,Sx,n),ln.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t._sendTime={},ln.obj(t._sendTime,{mtime:0}),t.bindGroupTime={},ln.obj(t.bindGroupTime,{mtime:0}),t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"read-only-storage"}},ln.get(e,t,["bindGroupTime"]),ln.setGet(e,t,["device","bindGroupLayoutEntry","label","numberOfInstances","sizeInBytes"]),function(e,t){t.classHierarchy.push("vtkWebGPUStorageBuffer"),e.addEntry=(e,n)=>{if(t._bufferEntryNames.has(e))return void Cx(`entry named ${e} already exists`);t._bufferEntryNames.set(e,t.bufferEntries.length);const r=dT.getByteStrideFromShaderFormat(n);t.bufferEntries.push({name:e,type:n,sizeInBytes:r,offset:t.sizeInBytes,nativeType:dT.getNativeTypeFromShaderFormat(n)}),t.sizeInBytes+=r},e.send=e=>{if(!t._buffer){const n={nativeArray:t.Float32Array,usage:yx.Storage,label:t.label};return t._buffer=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),void t._sendTime.modified()}e.getHandle().queue.writeBuffer(t._buffer.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes*t.numberOfInstances),t._sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes*t.numberOfInstances)),t[e]=ln.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r,o)=>{const a=t._bufferEntryNames.get(n);if(void 0===a)return void Cx(`entry named ${n} not found in UBO`);const i=t.bufferEntries[a];e.createView(i.nativeType);const s=t[i.nativeType];s[(i.offset+r*t.sizeInBytes)/s.BYTES_PER_ELEMENT]=o},e.setArray=(n,r,o)=>{const a=t._bufferEntryNames.get(n);if(void 0===a)return void Cx(`entry named ${n} not found in UBO`);const i=t.bufferEntries[a];e.createView(i.nativeType);const s=t[i.nativeType],l=(i.offset+r*t.sizeInBytes)/s.BYTES_PER_ELEMENT;for(let e=0;e<o.length;e++)s[l+e]=o[e]},e.setAllInstancesFromArray=(n,r)=>{const o=t._bufferEntryNames.get(n);if(void 0===o)return void Cx(`entry named ${n} not found in UBO`);const a=t.bufferEntries[o];e.createView(a.nativeType);const i=t[a.nativeType],s=r.length/t.numberOfInstances;for(let e=0;e<t.numberOfInstances;e++){const n=(a.offset+e*t.sizeInBytes)/i.BYTES_PER_ELEMENT;for(let t=0;t<s;t++)i[n+t]=r[e*s+t]}},e.setAllInstancesFromArrayColorToFloat=(n,r)=>{const o=t._bufferEntryNames.get(n);if(void 0===o)return void Cx(`entry named ${n} not found in UBO`);const a=t.bufferEntries[o];e.createView(a.nativeType);const i=t[a.nativeType],s=r.length/t.numberOfInstances;for(let e=0;e<t.numberOfInstances;e++){const n=(a.offset+e*t.sizeInBytes)/i.BYTES_PER_ELEMENT;for(let t=0;t<s;t++)i[n+t]=r[e*s+t]/255}},e.setAllInstancesFromArray3x3To4x4=(n,r)=>{const o=t._bufferEntryNames.get(n);if(void 0===o)return void Cx(`entry named ${n} not found in UBO`);const a=t.bufferEntries[o];e.createView(a.nativeType);const i=t[a.nativeType];for(let e=0;e<t.numberOfInstances;e++){const n=(a.offset+e*t.sizeInBytes)/i.BYTES_PER_ELEMENT;for(let t=0;t<3;t++)for(let o=0;o<3;o++)i[n+4*t+o]=r[9*e+3*t+o]}},e.getSendTime=()=>t._sendTime.getMTime(),e.getShaderCode=(e,n)=>{const r=[`struct ${t.label}StructEntry\n{`];for(let e=0;e<t.bufferEntries.length;e++){const n=t.bufferEntries[e];r.push(`  ${n.name}: ${n.type},`)}return r.push(`\n};\nstruct ${t.label}Struct\n{\n  values: array<${t.label}StructEntry>,\n};\n@binding(${e}) @group(${n}) var<storage, read> ${t.label}: ${t.label}Struct;\n`),r.join("\n")},e.getBindGroupEntry=()=>({resource:{buffer:t._buffer.getHandle()}}),e.clearData=()=>{t.numberOfInstances=0,t.sizeInBytes=0,t.bufferEntries=[],t._bufferEntryNames=new Map,t._buffer=null,delete t.arrayBuffer,delete t.Float32Array}}(e,t)}var wx={newInstance:ln.newInstance(Px,"vtkWebGPUStorageBuffer"),extend:Px};const Ix=new Float64Array(16),Ox=new Float64Array(16);const Rx={volumes:null,rowLength:1024,lastVolumeLength:0};function Mx(e,t,n={}){Object.assign(t,Rx,n),AT.extend(e,t,n),t.fragmentShaderTemplate="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Volume::TraverseDec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\nfn getTextureValue(vTex: texture_3d<f32>, tpos: vec4<f32>) -> f32\n{\n  // todo multicomponent support\n  return textureSampleLevel(vTex, clampSampler, tpos.xyz, 0.0).r;\n}\n\nfn getGradient(vTex: texture_3d<f32>, tpos: vec4<f32>, vNum: i32, scalar: f32) -> vec4<f32>\n{\n  var result: vec4<f32>;\n\n  var tstep: vec4<f32> = volumeSSBO.values[vNum].tstep;\n  result.x = getTextureValue(vTex, tpos + vec4<f32>(tstep.x, 0.0, 0.0, 1.0)) - scalar;\n  result.y = getTextureValue(vTex, tpos + vec4<f32>(0.0, tstep.y, 0.0, 1.0)) - scalar;\n  result.z = getTextureValue(vTex, tpos + vec4<f32>(0.0, 0.0, tstep.z, 1.0)) - scalar;\n  result.w = 0.0;\n\n  // divide by spacing as that is our delta\n  result = result / volumeSSBO.values[vNum].spacing;\n  // now we have a gradient in unit tcoords\n\n  var grad: f32 = length(result.xyz);\n  if (grad > 0.0)\n  {\n    // rotate to View Coords, needed for lighting and shading\n    var nMat: mat4x4<f32> = rendererUBO.SCVCMatrix * volumeSSBO.values[vNum].planeNormals;\n    result = nMat * result;\n    result = result / length(result);\n  }\n\n  // store gradient magnitude in .w\n  result.w = grad;\n\n  return result;\n}\n\nfn processVolume(vTex: texture_3d<f32>, vNum: i32, cNum: i32, posSC: vec4<f32>, tfunRows: f32) -> vec4<f32>\n{\n  var outColor: vec4<f32> = vec4<f32>(0.0, 0.0, 0.0, 0.0);\n\n  // convert to tcoords and reject if outside the volume\n  var tpos: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*posSC;\n  if (tpos.x < 0.0 || tpos.y < 0.0 || tpos.z < 0.0 ||\n      tpos.x > 1.0 || tpos.y > 1.0 || tpos.z > 1.0) { return outColor; }\n\n  var scalar: f32 = getTextureValue(vTex, tpos);\n\n  var coord: vec2<f32> =\n    vec2<f32>(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n      (0.5 + 2.0 * f32(vNum)) / tfunRows);\n  var color: vec4<f32> = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n\n  var gofactor: f32 = 1.0;\n  var normal: vec4<f32> = vec4<f32>(0.0,0.0,0.0,0.0);\n  if (componentSSBO.values[cNum].gomin <  1.0 || volumeSSBO.values[vNum].shade[0] > 0.0)\n  {\n    normal = getGradient(vTex, tpos, vNum, scalar);\n    if (componentSSBO.values[cNum].gomin <  1.0)\n    {\n      gofactor = clamp(normal.a*componentSSBO.values[cNum].goScale + componentSSBO.values[cNum].goShift,\n      componentSSBO.values[cNum].gomin, componentSSBO.values[cNum].gomax);\n    }\n  }\n\n  coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n  var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n\n  if (volumeSSBO.values[vNum].shade[0] > 0.0)\n  {\n    color = color*abs(normal.z);\n  }\n\n  outColor = vec4<f32>(color.rgb, gofactor * opacity);\n\n  return outColor;\n}\n\n// adjust the start and end point of a raycast such that it intersects the unit cube.\n// This function is used to take a raycast starting point and step vector\n// and numSteps and return the startijng and ending steps for intersecting the\n// unit cube. Recall for a 3D texture, the unit cube is the range of texture coordsinates\n// that have valid values. So this funtion can be used to take a ray in texture coordinates\n// and bound it to intersecting the texture.\n//\nfn adjustBounds(tpos: vec4<f32>, tstep: vec4<f32>, numSteps: f32) -> vec2<f32>\n{\n  var result: vec2<f32> = vec2<f32>(0.0, numSteps);\n  var tpos2: vec4<f32> = tpos + tstep*numSteps;\n\n  // move tpos to the start of the volume\n  var adjust: f32 =\n    min(\n      max(tpos.x/tstep.x, (tpos.x - 1.0)/tstep.x),\n      min(\n        max((tpos.y - 1.0)/tstep.y, tpos.y/tstep.y),\n        max((tpos.z - 1.0)/tstep.z, tpos.z/tstep.z)));\n  if (adjust < 0.0)\n  {\n    result.x = result.x - adjust;\n  }\n\n  // adjust length to the end\n  adjust =\n    max(\n      min(tpos2.x/tstep.x, (tpos2.x - 1.0)/tstep.x),\n      max(\n        min((tpos2.y - 1.0)/tstep.y, tpos2.y/tstep.y),\n        min((tpos2.z - 1.0)/tstep.z, tpos2.z/tstep.z)));\n  if (adjust > 0.0)\n  {\n    result.y = result.y - adjust;\n  }\n\n  return result;\n}\n\nfn getSimpleColor(scalar: f32, vNum: i32, cNum: i32) -> vec4<f32>\n{\n  // how many rows (tfuns) do we have in our tfunTexture\n  var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n  var coord: vec2<f32> =\n    vec2<f32>(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n      (0.5 + 2.0 * f32(vNum)) / tfunRows);\n  var color: vec4<f32> = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n  coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n  var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n  return vec4<f32>(color.rgb, opacity);\n}\n\nfn traverseMax(vTex: texture_3d<f32>, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4<f32>, rayStepSC: vec4<f32>)\n{\n  // convert to tcoords and reject if outside the volume\n  var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n  var tpos: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n  var tpos2: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n  var tstep: vec4<f32> = tpos2 - tpos;\n\n  var rayBounds: vec2<f32> = adjustBounds(tpos, tstep, numSteps);\n\n  // did we hit anything\n  if (rayBounds.x >= rayBounds.y)\n  {\n    traverseVals[vNum] = vec4<f32>(0.0,0.0,0.0,0.0);\n    return;\n  }\n\n  tpos = tpos + tstep*rayBounds.x;\n  var curDist: f32 = rayBounds.x;\n  var maxVal: f32 = -1.0e37;\n  loop\n  {\n    var scalar: f32 = getTextureValue(vTex, tpos);\n    if (scalar > maxVal)\n    {\n      maxVal = scalar;\n    }\n\n    // increment position\n    curDist = curDist + 1.0;\n    tpos = tpos + tstep;\n\n    // check if we have reached a terminating condition\n    if (curDist > rayBounds.y) { break; }\n  }\n\n  // process to get the color and opacity\n  traverseVals[vNum] = getSimpleColor(maxVal, vNum, cNum);\n}\n\nfn traverseMin(vTex: texture_3d<f32>, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4<f32>, rayStepSC: vec4<f32>)\n{\n  // convert to tcoords and reject if outside the volume\n  var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n  var tpos: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n  var tpos2: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n  var tstep: vec4<f32> = tpos2 - tpos;\n\n  var rayBounds: vec2<f32> = adjustBounds(tpos, tstep, numSteps);\n\n  // did we hit anything\n  if (rayBounds.x >= rayBounds.y)\n  {\n    traverseVals[vNum] = vec4<f32>(0.0,0.0,0.0,0.0);\n    return;\n  }\n\n  tpos = tpos + tstep*rayBounds.x;\n  var curDist: f32 = rayBounds.x;\n  var minVal: f32 = 1.0e37;\n  loop\n  {\n    var scalar: f32 = getTextureValue(vTex, tpos);\n    if (scalar < minVal)\n    {\n      minVal = scalar;\n    }\n\n    // increment position\n    curDist = curDist + 1.0;\n    tpos = tpos + tstep;\n\n    // check if we have reached a terminating condition\n    if (curDist > rayBounds.y) { break; }\n  }\n\n  // process to get the color and opacity\n  traverseVals[vNum] = getSimpleColor(minVal, vNum, cNum);\n}\n\nfn traverseAverage(vTex: texture_3d<f32>, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4<f32>, rayStepSC: vec4<f32>)\n{\n  // convert to tcoords and reject if outside the volume\n  var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n  var tpos: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n  var tpos2: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n  var tstep: vec4<f32> = tpos2 - tpos;\n\n  var rayBounds: vec2<f32> = adjustBounds(tpos, tstep, numSteps);\n\n  // did we hit anything\n  if (rayBounds.x >= rayBounds.y)\n  {\n    traverseVals[vNum] = vec4<f32>(0.0,0.0,0.0,0.0);\n    return;\n  }\n\n  let ipRange: vec4<f32> = volumeSSBO.values[vNum].ipScalarRange;\n  tpos = tpos + tstep*rayBounds.x;\n  var curDist: f32 = rayBounds.x;\n  var avgVal: f32 = 0.0;\n  var sampleCount: f32 = 0.0;\n  loop\n  {\n    var sample: f32 = getTextureValue(vTex, tpos);\n    // right now leave filtering off until WebGL changes get merged\n    // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n    // {\n      avgVal = avgVal + sample;\n      sampleCount = sampleCount + 1.0;\n    // }\n\n    // increment position\n    curDist = curDist + 1.0;\n    tpos = tpos + tstep;\n\n    // check if we have reached a terminating condition\n    if (curDist > rayBounds.y) { break; }\n  }\n\n  if (sampleCount <= 0.0)\n  {\n    traverseVals[vNum] = vec4<f32>(0.0,0.0,0.0,0.0);\n  }\n\n  // process to get the color and opacity\n  traverseVals[vNum] = getSimpleColor(avgVal/sampleCount, vNum, cNum);\n}\n\nfn traverseAdditive(vTex: texture_3d<f32>, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4<f32>, rayStepSC: vec4<f32>)\n{\n  // convert to tcoords and reject if outside the volume\n  var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n  var tpos: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n  var tpos2: vec4<f32> = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n  var tstep: vec4<f32> = tpos2 - tpos;\n\n  var rayBounds: vec2<f32> = adjustBounds(tpos, tstep, numSteps);\n\n  // did we hit anything\n  if (rayBounds.x >= rayBounds.y)\n  {\n    traverseVals[vNum] = vec4<f32>(0.0,0.0,0.0,0.0);\n    return;\n  }\n\n  let ipRange: vec4<f32> = volumeSSBO.values[vNum].ipScalarRange;\n  tpos = tpos + tstep*rayBounds.x;\n  var curDist: f32 = rayBounds.x;\n  var sumVal: f32 = 0.0;\n  loop\n  {\n    var sample: f32 = getTextureValue(vTex, tpos);\n    // right now leave filtering off until WebGL changes get merged\n    // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n    // {\n      sumVal = sumVal + sample;\n    // }\n\n    // increment position\n    curDist = curDist + 1.0;\n    tpos = tpos + tstep;\n\n    // check if we have reached a terminating condition\n    if (curDist > rayBounds.y) { break; }\n  }\n\n  // process to get the color and opacity\n  traverseVals[vNum] = getSimpleColor(sumVal, vNum, cNum);\n}\n\nfn composite(rayLengthSC: f32, minPosSC: vec4<f32>, rayStepSC: vec4<f32>) -> vec4<f32>\n{\n  // initial ray position is at the beginning\n  var rayPosSC: vec4<f32> = minPosSC;\n\n  // how many rows (tfuns) do we have in our tfunTexture\n  var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n  var curDist: f32 = 0.0;\n  var computedColor: vec4<f32> = vec4<f32>(0.0, 0.0, 0.0, 0.0);\n  var sampleColor: vec4<f32>;\n//VTK::Volume::TraverseCalls\n\n  loop\n  {\n    // for each volume, sample and accumulate color\n//VTK::Volume::CompositeCalls\n\n    // increment position\n    curDist = curDist + mapperUBO.SampleDistance;\n    rayPosSC = rayPosSC + rayStepSC;\n\n    // check if we have reached a terminating condition\n    if (curDist > rayLengthSC) { break; }\n    if (computedColor.a > 0.98) { break; }\n  }\n  return computedColor;\n}\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n  var output: fragmentOutput;\n\n  var rayMax: f32 = textureSampleLevel(maxTexture, clampSampler, input.tcoordVS, 0.0).r;\n  var rayMin: f32 = textureSampleLevel(minTexture, clampSampler, input.tcoordVS, 0.0).r;\n\n  // discard empty rays\n  if (rayMax <= rayMin) { discard; }\n  else\n  {\n    // compute start and end ray positions in view coordinates\n    var minPosSC: vec4<f32> = rendererUBO.PCSCMatrix*vec4<f32>(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMax, 1.0);\n    minPosSC = minPosSC * (1.0 / minPosSC.w);\n    var maxPosSC: vec4<f32> = rendererUBO.PCSCMatrix*vec4<f32>(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMin, 1.0);\n    maxPosSC = maxPosSC * (1.0 / maxPosSC.w);\n\n    var rayLengthSC: f32 = distance(minPosSC.xyz, maxPosSC.xyz);\n    var rayStepSC: vec4<f32> = (maxPosSC - minPosSC)*(mapperUBO.SampleDistance/rayLengthSC);\n    rayStepSC.w = 0.0;\n\n    var computedColor: vec4<f32>;\n\n//VTK::Volume::Loop\n\n//VTK::RenderEncoder::Impl\n  }\n\n  return output;\n}\n",t.UBO=Ax.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SampleDistance","f32"),t.SSBO=wx.newInstance({label:"volumeSSBO"}),t.componentSSBO=wx.newInstance({label:"componentSSBO"}),t.lutBuildTime={},ln.obj(t.lutBuildTime,{mtime:0}),function(e,t){t.classHierarchy.push("vtkWebGPUVolumePassFSQ"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4<f32>","@builtin(position) Position");let o=r.getCode();o=eT.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2<f32>(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4<f32>(vertexBC, 1.0);"]).result,r.setCode(o),t.getShaderDescription("fragment").addBuiltinInput("vec4<f32>","@builtin(position) fragPos")},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderVolume=(e,n,r)=>{const o=n.getShaderDescription("fragment");let a=o.getCode();const i=[],s=[];for(let e=0;e<t.volumes.length;e++)t.volumes[e].getRenderable().getMapper().getBlendMode()===fg.COMPOSITE_BLEND?(i.push(`    sampleColor = processVolume(volTexture${e}, ${e}, ${t.rowStarts[e]}, rayPosSC, tfunRows);`),i.push("    computedColor = vec4<f32>(\n          sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n          (1.0 - computedColor.a)*sampleColor.a + computedColor.a);")):(s.push(`  sampleColor = traverseVals[${e}];`),s.push("  computedColor = vec4<f32>(\n          sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n          (1.0 - computedColor.a)*sampleColor.a + computedColor.a);"));a=eT.substitute(a,"//VTK::Volume::CompositeCalls",i).result,a=eT.substitute(a,"//VTK::Volume::TraverseCalls",s).result,a=eT.substitute(a,"//VTK::Volume::TraverseDec",[`var<private> traverseVals: array<vec4<f32>,${t.volumes.length}>;`]).result;let l=!1;for(let e=0;e<t.volumes.length;e++){const n=t.volumes[e].getRenderable().getMapper().getBlendMode();n===fg.COMPOSITE_BLEND?l=!0:n===fg.MAXIMUM_INTENSITY_BLEND?a=eT.substitute(a,"//VTK::Volume::Loop",[`    traverseMax(volTexture${e}, ${e}, ${e}, rayLengthSC, minPosSC, rayStepSC);`,`    computedColor = traverseVals[${e}];`,"//VTK::Volume::Loop"]).result:n===fg.MINIMUM_INTENSITY_BLEND?a=eT.substitute(a,"//VTK::Volume::Loop",[`    traverseMin(volTexture${e}, ${e}, ${e}, rayLengthSC, minPosSC, rayStepSC);`,`    computedColor = traverseVals[${e}];`,"//VTK::Volume::Loop"]).result:n===fg.AVERAGE_INTENSITY_BLEND?a=eT.substitute(a,"//VTK::Volume::Loop",[`    traverseAverage(volTexture${e}, ${e}, ${e}, rayLengthSC, minPosSC, rayStepSC);`,`    computedColor = traverseVals[${e}];`,"//VTK::Volume::Loop"]).result:n===fg.ADDITIVE_INTENSITY_BLEND&&(a=eT.substitute(a,"//VTK::Volume::Loop",[`    traverseAdditive(volTexture${e}, ${e}, ${e}, rayLengthSC, minPosSC, rayStepSC);`,`    computedColor = traverseVals[${e}];`,"//VTK::Volume::Loop"]).result)}l&&(a=eT.substitute(a,"//VTK::Volume::Loop",["    computedColor = composite(rayLengthSC, minPosSC, rayStepSC);"]).result),o.setCode(a)},t.shaderReplacements.set("replaceShaderVolume",e.replaceShaderVolume),e.updateLUTImage=n=>{let r=e.getMTime();for(let e=0;e<t.volumes.length;e++){const n=t.volumes[e].getRenderable(),o=n.getMapper().getInputData();r=Math.max(r,n.getMTime(),o.getMTime())}if(r<t.lutBuildTime.getMTime())return;t.numRows=0,t.rowStarts=[];for(let e=0;e<t.volumes.length;e++){t.rowStarts.push(t.numRows);const n=t.volumes[e].getRenderable(),r=n.getMapper(),o=n.getProperty(),a=r.getInputData(),i=(a.getPointData()&&a.getPointData().getScalars()).getNumberOfComponents(),s=o.getIndependentComponents()?i:1;t.numRows+=s}const o=new Uint8ClampedArray(2*t.numRows*t.rowLength*4),a=new Float32Array(2*t.numRows*t.rowLength);let i=0;const s=new Float32Array(3*t.rowLength),l=t.rowLength;for(let e=0;e<t.volumes.length;e++){const n=t.volumes[e].getRenderable(),r=n.getMapper(),c=n.getProperty(),u=r.getInputData(),d=(u.getPointData()&&u.getPointData().getScalars()).getNumberOfComponents(),p=c.getIndependentComponents()?d:1;for(let e=0;e<p;++e){const n=c.getRGBTransferFunction(e),r=n.getRange();n.getTable(r[0],r[1],l,s,1);let u=i*l*4;for(let e=0;e<l;++e){o[u+4*e]=255*s[3*e],o[u+4*e+1]=255*s[3*e+1],o[u+4*e+2]=255*s[3*e+2],o[u+4*e+3]=255;for(let t=0;t<4;t++)o[u+4*(l+e)+t]=o[u+4*e+t]}const d=c.getScalarOpacity(e),p=t.sampleDist/c.getScalarOpacityUnitDistance(e),f=d.getRange();d.getTable(f[0],f[1],l,s,1),u=i*l;for(let e=0;e<l;++e)a[u+e]=1-(1-s[e])**p,a[u+e+l]=a[u+e];i+=2}}{const e={nativeArray:o,width:t.rowLength,height:2*t.numRows,depth:1,format:"rgba8unorm"},r=n.getTextureManager().getTexture(e).createView("tfunTexture");t.textureViews[2]=r}{const e={nativeArray:a,width:t.rowLength,height:2*t.numRows,depth:1,format:"r16float"},r=n.getTextureManager().getTexture(e).createView("ofunTexture");t.textureViews[3]=r}t.lutBuildTime.modified()},e.updateSSBO=n=>{let r=Math.max(e.getMTime(),t.WebGPURenderer.getStabilizedTime());for(let e=0;e<t.volumes.length;e++){const n=t.volumes[e].getRenderable(),o=n.getMapper(),a=o.getInputData();r=Math.max(r,n.getMTime(),a.getMTime(),o.getMTime())}if(r<t.SSBO.getSendTime())return;const o=t.WebGPURenderer.getStabilizedCenterByReference();t.SSBO.clearData(),t.SSBO.setNumberOfInstances(t.volumes.length);const a=new Float64Array(16*t.volumes.length),i=new Float64Array(16*t.volumes.length),s=new Float64Array(4*t.volumes.length),l=new Float64Array(4*t.volumes.length),c=new Float64Array(4*t.volumes.length),u=new Float64Array(4*t.volumes.length);for(let e=0;e<t.volumes.length;e++){const n=t.volumes[e].getRenderable(),r=n.getMapper().getInputData();x(Ix),C(Ix,Ix,o);const d=n.getMatrix();b(Ox,d),A(Ox,Ox),y(Ix,Ox,Ix);const p=r.getWorldToIndex();y(Ix,p,Ix);const f=r.getDimensions();x(Ox),S(Ox,Ox,[1/f[0],1/f[1],1/f[2]]),y(Ix,Ox,Ix);for(let t=0;t<16;t++)a[16*e+t]=Ix[t];A(Ix,Ix);for(let t=0;t<4;t++)i[16*e+4*t]=Ix[4*t],i[16*e+4*t+1]=Ix[4*t+1],i[16*e+4*t+2]=Ix[4*t+2],i[16*e+4*t+3]=0;s[4*e]=1/f[0],s[4*e+1]=1/f[1],s[4*e+2]=1/f[2],s[4*e+3]=1,l[4*e]=n.getProperty().getShade()?1:0;const g=r.getSpacing();c[4*e]=g[0],c[4*e+1]=g[1],c[4*e+2]=g[2],c[4*e+3]=1;const m=t.textureViews[e+4].getTexture().getScale(),h=n.getProperty().getIpScalarRange();u[4*e]=h[0]/m,u[4*e+1]=h[1]/m,u[4*e+2]=n.getProperty().getFilterMode()}t.SSBO.addEntry("SCTCMatrix","mat4x4<f32>"),t.SSBO.addEntry("planeNormals","mat4x4<f32>"),t.SSBO.addEntry("shade","vec4<f32>"),t.SSBO.addEntry("tstep","vec4<f32>"),t.SSBO.addEntry("spacing","vec4<f32>"),t.SSBO.addEntry("ipScalarRange","vec4<f32>"),t.SSBO.setAllInstancesFromArray("SCTCMatrix",a),t.SSBO.setAllInstancesFromArray("planeNormals",i),t.SSBO.setAllInstancesFromArray("shade",l),t.SSBO.setAllInstancesFromArray("tstep",s),t.SSBO.setAllInstancesFromArray("spacing",c),t.SSBO.setAllInstancesFromArray("ipScalarRange",u),t.SSBO.send(n),t.componentSSBO.clearData(),t.componentSSBO.setNumberOfInstances(t.numRows);const d=new Float64Array(t.numRows),p=new Float64Array(t.numRows),f=new Float64Array(t.numRows),g=new Float64Array(t.numRows),m=new Float64Array(t.numRows),h=new Float64Array(t.numRows),v=new Float64Array(t.numRows),T=new Float64Array(t.numRows);let P=0;for(let e=0;e<t.volumes.length;e++){const n=t.volumes[e].getRenderable(),r=n.getMapper(),o=n.getProperty(),a=r.getInputData(),i=(a.getPointData()&&a.getPointData().getScalars()).getNumberOfComponents(),s=o.getIndependentComponents(),l=t.textureViews[e+4].getTexture().getFormat(),c=dT.getDetailsFromTextureFormat(l),u={scale:[255],offset:[0]};2===c.elementSize&&"float"===c.sampleType&&(u.scale[0]=1);for(let e=0;e<i;e++){const t=s?e:0,n=u.scale[e],r=o.getScalarOpacity(t).getRange(),a=n/(r[1]-r[0]),i=(u.offset[e]-r[0])/(r[1]-r[0]);g[P]=i,f[P]=a;const l=o.getRGBTransferFunction(t).getRange();if(p[P]=(u.offset[e]-l[0])/(l[1]-l[0]),d[P]=n/(l[1]-l[0]),o.getUseGradientOpacity(t)){const e=o.getGradientOpacityMinimumOpacity(t),r=o.getGradientOpacityMaximumOpacity(t);m[P]=e,h[P]=r;const a=[o.getGradientOpacityMinimumValue(t),o.getGradientOpacityMaximumValue(t)];T[P]=n*(r-e)/(a[1]-a[0]),v[P]=-a[0]*(r-e)/(a[1]-a[0])+e}else m[P]=1,h[P]=1,T[P]=0,v[P]=1;P++}}t.componentSSBO.addEntry("cScale","f32"),t.componentSSBO.addEntry("cShift","f32"),t.componentSSBO.addEntry("oScale","f32"),t.componentSSBO.addEntry("oShift","f32"),t.componentSSBO.addEntry("goShift","f32"),t.componentSSBO.addEntry("goScale","f32"),t.componentSSBO.addEntry("gomin","f32"),t.componentSSBO.addEntry("gomax","f32"),t.componentSSBO.setAllInstancesFromArray("cScale",d),t.componentSSBO.setAllInstancesFromArray("cShift",p),t.componentSSBO.setAllInstancesFromArray("oScale",f),t.componentSSBO.setAllInstancesFromArray("oShift",g),t.componentSSBO.setAllInstancesFromArray("goScale",T),t.componentSSBO.setAllInstancesFromArray("goShift",v),t.componentSSBO.setAllInstancesFromArray("gomin",m),t.componentSSBO.setAllInstancesFromArray("gomax",h),t.componentSSBO.send(n)};const n=e.updateBuffers;e.updateBuffers=()=>{n();let r=t.volumes[0].getRenderable().getMapper().getSampleDistance();for(let e=0;e<t.volumes.length;e++){const n=t.volumes[e].getRenderable().getMapper().getSampleDistance();n<r&&(r=n)}t.sampleDist!==r&&(t.sampleDist=r,t.UBO.setValue("SampleDistance",r),t.UBO.sendIfNeeded(t.device));for(let e=0;e<t.volumes.length;e++){const n=t.volumes[e].getRenderable().getMapper().getInputData(),r=t.device.getTextureManager().getTextureForImageData(n);if(!t.textureViews[e+4]||t.textureViews[e+4].getTexture()!==r){const n=r.createView(`volTexture${e}`);t.textureViews[e+4]=n}}if(t.volumes.length<t.lastVolumeLength)for(let e=t.volumes.length;e<t.lastVolumeLength;e++)t.textureViews.pop();t.lastVolumeLength=t.volumes.length,e.updateLUTImage(t.device),e.updateSSBO(t.device),t.clampSampler||(t.clampSampler=OT.newInstance({label:"clampSampler"}),t.clampSampler.create(t.device,{minFilter:"linear",magFilter:"linear"}))},e.computePipelineHash=()=>{t.pipelineHash="volfsq";for(let e=0;e<t.volumes.length;e++){const n=t.volumes[e].getRenderable().getMapper().getBlendMode();t.pipelineHash+=`${n}`}},e.setVolumes=n=>{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r<n.length;r++)if(n[r]!==t.volumes[r])return t.volumes=[...n],void e.modified()};const r=e.getBindables;e.getBindables=()=>{const e=r();return e.push(t.componentSSBO),e.push(t.clampSampler),e}}(e,t)}var Dx={newInstance:ln.newInstance(Mx,"vtkWebGPUVolumePassFSQ"),extend:Mx};const{Representation:Ex}=ds,{BufferUsage:Vx,PrimitiveTypes:Lx}=hx,Bx=[[0,4,6],[0,6,2],[1,3,7],[1,7,5],[0,5,4],[0,1,5],[2,6,7],[2,7,3],[0,3,1],[0,2,3],[4,5,7],[4,7,6]];const Fx={colorTextureView:null,depthTextureView:null,volumes:null};function Nx(e,t,n={}){Object.assign(t,Fx,n),gv.extend(e,t,n),t._mapper=TT.newInstance(),t._mapper.setFragmentShaderTemplate("\n//VTK::Renderer::Dec\n\n//VTK::Select::Dec\n\n//VTK::VolumePass::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n  var output : fragmentOutput;\n\n  //VTK::Select::Impl\n\n  //VTK::TCoord::Impl\n\n  //VTK::VolumePass::Impl\n\n  // use the maximum (closest) of the current value and the zbuffer\n  // the blend func will then take the min to find the farthest stop value\n  var stopval: f32 = max(input.fragPos.z, textureLoad(opaquePassDepthTexture, vec2<i32>(i32(input.fragPos.x), i32(input.fragPos.y)), 0));\n\n  //VTK::RenderEncoder::Impl\n  return output;\n}\n"),t._mapper.getShaderReplacements().set("replaceShaderVolumePass",((e,t,n)=>{t.getShaderDescription("fragment").addBuiltinInput("vec4<f32>","@builtin(position) fragPos")})),t._boundsPoly=wu.newInstance(),t._lastMTimes=[],ln.setGet(e,t,["colorTextureView","depthTextureView"]),function(e,t){t.classHierarchy.push("vtkWebGPUVolumePass"),e.initialize=n=>{t._clearEncoder||e.createClearEncoder(n),t._mergeEncoder||e.createMergeEncoder(n),t._copyEncoder||e.createCopyEncoder(n),t._depthRangeEncoder||e.createDepthRangeEncoder(n),t.fullScreenQuad||(t.fullScreenQuad=Dx.newInstance(),t.fullScreenQuad.setDevice(n.getDevice()),t.fullScreenQuad.setTextureViews([...t._depthRangeEncoder.getColorTextureViews()])),t._volumeCopyQuad||(t._volumeCopyQuad=AT.newInstance(),t._volumeCopyQuad.setPipelineHash("volpassfsq"),t._volumeCopyQuad.setDevice(n.getDevice()),t._volumeCopyQuad.setFragmentShaderTemplate("\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n  var output: fragmentOutput;\n\n  var computedColor: vec4<f32> = textureSample(volumePassColorTexture,\n    volumePassColorTextureSampler, mapperUBO.tscale*input.tcoordVS);\n\n  //VTK::RenderEncoder::Impl\n  return output;\n}\n"),t._copyUBO=Ax.newInstance({label:"mapperUBO"}),t._copyUBO.addEntry("tscale","vec2<f32>"),t._volumeCopyQuad.setUBO(t._copyUBO),t._volumeCopyQuad.setTextureViews([t._colorTextureView]))},e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r,e.initialize(r),e.computeTiming(r),e.renderDepthBounds(n,r),t._firstGroup=!0;const o=r.getDevice(),a=o.getHandle().limits.maxSampledTexturesPerShaderStage-4;if(t.volumes.length>a){const o=n.getRenderable().getActiveCamera().getPosition(),i=[];for(let e=0;e<t.volumes.length;e++){const n=t.volumes[e].getRenderable().getBounds(),r=[.5*(n[1]+n[0]),.5*(n[3]+n[2]),.5*(n[5]+n[4])];i[e]=Jo(r,o)}const s=[...Array(t.volumes.length).keys()];s.sort(((e,t)=>i[t]-i[e]));let l=[],c=s.length%a;for(let o=0;o<s.length;o++)l.push(t.volumes[s[o]]),l.length>=c&&(e.rayCastPass(r,n,l),l=[],c=a,t._firstGroup=!1)}else e.rayCastPass(r,n,t.volumes);if(t._volumeCopyQuad.setWebGPURenderer(n),t._useSmallViewport){const e=t._colorTextureView.getTexture().getWidth(),n=t._colorTextureView.getTexture().getHeight();t._copyUBO.setArray("tscale",[t._smallViewportWidth/e,t._smallViewportHeight/n])}else t._copyUBO.setArray("tscale",[1,1]);t._copyUBO.sendIfNeeded(o),t._copyEncoder.setColorTextureView(0,t.colorTextureView),t._copyEncoder.attachTextureViews(),t._copyEncoder.begin(r.getCommandEncoder()),n.scissorAndViewport(t._copyEncoder),t._volumeCopyQuad.prepareAndDraw(t._copyEncoder),t._copyEncoder.end()},e.delete=ln.chain((()=>{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.computeTiming=e=>{const n=e.getRenderable().getInteractor();if(null==t._lastScale){const e=t.volumes[0].getRenderable().getMapper();t._lastScale=e.getInitialInteractionScale()||1}t._useSmallViewport=!1,n.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._colorTexture.resize(e.getCanvas().width,e.getCanvas().height),t._animationRateSubscription||(t._animationRateSubscription=n.onAnimationFrameRateUpdate((()=>{const e=t.volumes[0].getRenderable().getMapper();if(e.getAutoAdjustSampleDistances()){const e=n.getRecentAnimationFrameRate(),r=t._lastScale*n.getDesiredUpdateRate()/e;t._lastScale=r,t._lastScale>400&&(t._lastScale=400)}else t._lastScale=e.getImageSampleDistance()*e.getImageSampleDistance();t._lastScale<1.5&&(t._lastScale=1.5)})))},e.rayCastPass=(e,n,r)=>{const o=t._firstGroup?t._clearEncoder:t._mergeEncoder;o.attachTextureViews(),o.begin(e.getCommandEncoder());let a=t._colorTextureView.getTexture().getWidth(),i=t._colorTextureView.getTexture().getHeight();if(t._useSmallViewport){const n=e.getCanvas(),r=1/Math.sqrt(t._lastScale);t._smallViewportWidth=Math.ceil(r*n.width),t._smallViewportHeight=Math.ceil(r*n.height),a=t._smallViewportWidth,i=t._smallViewportHeight}o.getHandle().setViewport(0,0,a,i,0,1),o.getHandle().setScissorRect(0,0,a,i),t.fullScreenQuad.setWebGPURenderer(n),t.fullScreenQuad.setVolumes(r),t.fullScreenQuad.prepareAndDraw(o),o.end()},e.renderDepthBounds=(n,r)=>{e.updateDepthPolyData(n);const o=t._boundsPoly,a=o.getPoints(),i=o.getPolys();let s={hash:`vp${i.getMTime()}`,usage:Vx.Index,cells:i,numberOfPoints:a.getNumberOfPoints(),primitiveType:Lx.Triangles,representation:Ex.SURFACE};const l=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().setIndexBuffer(l),s={usage:Vx.PointArray,format:"float32x4",hash:`vp${a.getMTime()}${i.getMTime()}`,dataArray:a,indexBuffer:l,packExtra:!0};const c=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().addBuffer(c,["vertexBC"]),t._mapper.setNumberOfVertices(c.getSizeInBytes()/c.getStrideInBytes()),e.drawDepthRange(n,r)},e.updateDepthPolyData=e=>{let n=!1;for(let e=0;e<t.volumes.length;e++){const r=t.volumes[e].getMTime();t._lastMTimes[e]&&r===t._lastMTimes[e]||(n=!0,t._lastMTimes[e]=r)}const r=e.getStabilizedTime();if((t._lastMTimes.length<=t.volumes.length||r!==t._lastMTimes[t.volumes.length])&&(n=!0,t._lastMTimes[t.volumes.length]=r),!n)return;const o=e.getStabilizedCenterByReference(),a=8*t.volumes.length,i=new Float64Array(3*a),s=12*t.volumes.length,l=new Uint16Array(4*s);for(let e=0;e<t.volumes.length;e++){t.volumes[e].getBoundingCubePoints(i,24*e);let n=12*e*4;const r=8*e;for(let e=0;e<12;e++)l[n++]=3,l[n++]=r+Bx[e][0],l[n++]=r+Bx[e][1],l[n++]=r+Bx[e][2]}for(let e=0;e<i.length;e+=3)i[e]-=o[0],i[e+1]-=o[1],i[e+2]-=o[2];t._boundsPoly.getPoints().setData(i,3),t._boundsPoly.getPoints().modified(),t._boundsPoly.getPolys().setData(l,1),t._boundsPoly.getPolys().modified(),t._boundsPoly.modified()},e.drawDepthRange=(n,r)=>{t._depthRangeTexture.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeTexture2.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeEncoder.attachTextureViews(),e.setCurrentOperation("volumeDepthRangePass"),n.setRenderEncoder(t._depthRangeEncoder),n.volumeDepthRangePass(!0),t._mapper.setWebGPURenderer(n),t._mapper.prepareToDraw(t._depthRangeEncoder),t._mapper.registerDrawCallback(t._depthRangeEncoder),n.volumeDepthRangePass(!1)},e.createDepthRangeEncoder=e=>{const n=e.getDevice();t._depthRangeEncoder=PT.newInstance({label:"VolumePass DepthRange"}),t._depthRangeEncoder.setPipelineHash("volr"),t._depthRangeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4<f32>","outColor1"),t.addOutput("vec4<f32>","outColor2");let n=t.getCode();n=eT.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor1 = vec4<f32>(input.fragPos.z, 0.0, 0.0, 0.0);","output.outColor2 = vec4<f32>(stopval, 0.0, 0.0, 0.0);"]).result,t.setCode(n)})),t._depthRangeEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:null,clearValue:[1,1,1,1],loadOp:"clear",storeOp:"store"}]}),t._depthRangeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"max"},alpha:{srcFactor:"one",dstFactor:"one",operation:"max"}}},{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"min"},alpha:{srcFactor:"one",dstFactor:"one",operation:"min"}}}]}}),t._depthRangeTexture=LT.newInstance({label:"volumePassMaxDepth"}),t._depthRangeTexture.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const r=t._depthRangeTexture.createView("maxTexture");t._depthRangeEncoder.setColorTextureView(0,r),t._depthRangeTexture2=LT.newInstance({label:"volumePassDepthMin"}),t._depthRangeTexture2.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const o=t._depthRangeTexture2.createView("minTexture");t._depthRangeEncoder.setColorTextureView(1,o),t._mapper.setDevice(e.getDevice()),t._mapper.setTextureViews([t.depthTextureView])},e.createClearEncoder=e=>{t._colorTexture=LT.newInstance({label:"volumePassColor"}),t._colorTexture.create(e.getDevice(),{width:e.getCanvas().width,height:e.getCanvas().height,format:"bgra8unorm",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC}),t._colorTextureView=t._colorTexture.createView("volumePassColorTexture"),t._colorTextureView.addSampler(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._clearEncoder=PT.newInstance({label:"VolumePass Clear"}),t._clearEncoder.setColorTextureView(0,t._colorTextureView),t._clearEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"}]}),t._clearEncoder.setPipelineHash("volpf"),t._clearEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcFactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createCopyEncoder=e=>{t._copyEncoder=PT.newInstance({label:"volumePassCopy"}),t._copyEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._copyEncoder.setPipelineHash("volcopypf"),t._copyEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one-minus-src-alpha"},alpha:{srcFactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createMergeEncoder=e=>{t._mergeEncoder=PT.newInstance({label:"volumePassMerge"}),t._mergeEncoder.setColorTextureView(0,t._colorTextureView),t._mergeEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._mergeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4<f32>","outColor");let n=t.getCode();n=eT.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4<f32>(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t._mergeEncoder.setPipelineHash("volpf"),t._mergeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcFactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.setVolumes=n=>{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r<n.length;r++)if(n[r]!==t.volumes[r])return t.volumes=[...n],void e.modified()}}(e,t)}var kx={newInstance:ln.newInstance(Nx,"vtkWebGPUVolumePass"),extend:Nx};const Gx={opaqueActorCount:0,translucentActorCount:0,volumes:null,opaqueRenderEncoder:null,translucentPass:null,volumePass:null};function Ux(e,t,n={}){Object.assign(t,Gx,n),gv.extend(e,t,n),ln.setGet(e,t,["opaquePass","translucentPass","volumePass"]),function(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=(n,r=null)=>{if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e),t.opaquePass||(t.opaquePass=NT.newInstance());const o=n.getRenderable().getNumberOfLayers(),a=n.getChildren();for(let r=0;r<o;r++)for(let o=0;o<a.length;o++){const i=a[o],s=n.getRenderable().getRenderers()[o];s.getDraw()&&s.getLayer()===r&&(t.opaqueActorCount=0,t.translucentActorCount=0,t.volumes=[],e.setCurrentOperation("queryPass"),i.traverse(e),e.setCurrentOperation("cameraPass"),i.traverse(e),t.opaquePass.traverse(i,n),t.translucentActorCount>0&&(t.translucentPass||(t.translucentPass=UT.newInstance()),t.translucentPass.setColorTextureView(t.opaquePass.getColorTextureView()),t.translucentPass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.translucentPass.traverse(i,n)),t.volumes.length>0&&(t.volumePass||(t.volumePass=kx.newInstance()),t.volumePass.setColorTextureView(t.opaquePass.getColorTextureView()),t.volumePass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.volumePass.setVolumes(t.volumes),t.volumePass.traverse(i,n)),e.finalPass(n,i))}},e.finalPass=(n,r)=>{t._finalBlitEncoder||e.createFinalBlitEncoder(n),t._finalBlitOutputTextureView.createFromTextureHandle(n.getCurrentTexture(),{depth:1,format:n.getPresentationFormat()}),t._finalBlitEncoder.attachTextureViews(),t._finalBlitEncoder.begin(n.getCommandEncoder()),r.scissorAndViewport(t._finalBlitEncoder),t._fullScreenQuad.prepareAndDraw(t._finalBlitEncoder),t._finalBlitEncoder.end()},e.createFinalBlitEncoder=e=>{t._finalBlitEncoder=PT.newInstance({label:"forwardPassBlit"}),t._finalBlitEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._finalBlitEncoder.setPipelineHash("fpf"),t._finalBlitEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:e.getPresentationFormat(),blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcFactor:"one",dstFactor:"one-minus-src-alpha"}}}]}}),t._fsqSampler=OT.newInstance({label:"finalPassSampler"}),t._fsqSampler.create(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._fullScreenQuad=AT.newInstance(),t._fullScreenQuad.setDevice(e.getDevice()),t._fullScreenQuad.setPipelineHash("fpfsq"),t._fullScreenQuad.setTextureViews([t.opaquePass.getColorTextureView()]),t._fullScreenQuad.setAdditionalBindables([t._fsqSampler]),t._fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n  var output: fragmentOutput;\n\n  var computedColor: vec4<f32> = clamp(textureSampleLevel(opaquePassColorTexture, finalPassSampler, input.tcoordVS, 0.0),vec4<f32>(0.0),vec4<f32>(1.0));\n\n  //VTK::RenderEncoder::Impl\n  return output;\n}\n"),t._finalBlitOutputTextureView=DT.newInstance(),t._finalBlitEncoder.setColorTextureView(0,t._finalBlitOutputTextureView)},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.addVolume=e=>{t.volumes.push(e)}}(e,t)}var _x={newInstance:ln.newInstance(Ux,"vtkForwardPass"),extend:Ux};const{VtkDataTypes:Kx}=Os;const zx={handle:null,device:null};function Wx(e,t,n={}){Object.assign(t,zx,n),ln.obj(e,t),ln.setGet(e,t,["device"]),function(e,t){function n(e){if(e.imageData){e.dataArray=e.imageData.getPointData().getScalars(),e.time=e.dataArray.getMTime(),e.nativeArray=e.dataArray.getData();const t=e.imageData.getDimensions();switch(e.width=t[0],e.height=t[1],e.depth=t[2],e.dataArray.getNumberOfComponents()){case 1:e.format="r";break;case 2:e.format="rg";break;default:e.format="rgba"}switch(e.dataArray.getDataType()){case Kx.UNSIGNED_CHAR:e.format+="8unorm";break;case Kx.FLOAT:case Kx.UNSIGNED_INT:case Kx.INT:case Kx.DOUBLE:case Kx.UNSIGNED_SHORT:case Kx.SHORT:default:e.format+="16float"}}e.image&&(e.width=e.image.width,e.height=e.image.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.usage=GPUTextureUsage.STORAGE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.RENDER_ATTACHMENT),e.jsImageData&&(e.width=e.jsImageData.width,e.height=e.jsImageData.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.nativeArray=e.jsImageData.data,e.usage=GPUTextureUsage.STORAGE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.RENDER_ATTACHMENT),e.imageBitmap&&(e.width=e.imageBitmap.width,e.height=e.imageBitmap.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.usage=GPUTextureUsage.STORAGE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.RENDER_ATTACHMENT),e.canvas&&(e.width=e.canvas.width,e.height=e.canvas.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.usage=GPUTextureUsage.STORAGE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.RENDER_ATTACHMENT)}function r(e){const n=LT.newInstance({label:e.label});return n.create(t.device,{width:e.width,height:e.height,depth:e.depth,format:e.format,usage:e.usage,mipLevel:e.mipLevel}),(e.nativeArray||e.image||e.canvas||e.imageBitmap)&&n.writeImageData(e),n}t.classHierarchy.push("vtkWebGPUTextureManager"),e.getTexture=e=>e.hash?t.device.getCachedObject(e.hash,r,e):r(e),e.getTextureForImageData=e=>{const r={time:e.getMTime()};return r.imageData=e,n(r),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)},e.getTextureForVTKTexture=(e,r=void 0)=>{const o={time:e.getMTime(),label:r};return e.getInputData()?o.imageData=e.getInputData():e.getImage()?o.image=e.getImage():e.getJsImageData()?o.jsImageData=e.getJsImageData():e.getImageBitmap()?o.imageBitmap=e.getImageBitmap():e.getCanvas()&&(o.canvas=e.getCanvas()),n(o),o.mipLevel=e.getMipLevel(),o.hash=o.time+o.format+o.mipLevel,t.device.getTextureManager().getTexture(o)}}(e,t)}var Hx={newInstance:ln.newInstance(Wx),extend:Wx};class jx extends Map{constructor(){super(),this.registry=new FinalizationRegistry((e=>{const t=super.get(e);t&&t.deref&&void 0===t.deref()&&super.delete(e)}))}getValue(e){const t=super.get(e);if(t){const n=t.deref();if(void 0!==n)return n;super.delete(e)}}setValue(e,t){let n;return t&&"object"==typeof t&&(n=new WeakRef(t),this.registry.register(t,e),super.set(e,n)),n}}const Xx={handle:null,pipelines:null,shaderCache:null,bindGroupLayouts:null,bufferManager:null,textureManager:null};function qx(e,t,n={}){Object.assign(t,Xx,n),Lt(e,t),Ut(e,t,["handle"]),Ft(e,t,["bufferManager","shaderCache","textureManager"]),t.objectCache=new jx,t.shaderCache=eT.newInstance(),t.shaderCache.setDevice(e),t.bindGroupLayouts=[],t.bufferManager=hx.newInstance(),t.bufferManager.setDevice(e),t.textureManager=Hx.newInstance(),t.textureManager.setDevice(e),t.pipelines={},function(e,t){t.classHierarchy.push("vtkWebGPUDevice"),e.initialize=e=>{t.handle=e},e.createCommandEncoder=()=>t.handle.createCommandEncoder(),e.submitCommandEncoder=e=>{t.handle.queue.submit([e.finish()])},e.getShaderModule=e=>t.shaderCache.getShaderModule(e),e.getBindGroupLayout=e=>{if(!e.entries)return null;for(let t=0;t<e.entries.length;t++){const n=e.entries[t];n.binding=n.binding||0,n.visibility=n.visibility||GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT}const n=JSON.stringify(e);for(let e=0;e<t.bindGroupLayouts.length;e++)if(t.bindGroupLayouts[e].sval===n)return t.bindGroupLayouts[e].layout;const r=t.handle.createBindGroupLayout(e);return t.bindGroupLayouts.push({sval:n,layout:r}),r},e.getBindGroupLayoutDescription=e=>{for(let n=0;n<t.bindGroupLayouts.length;n++)if(t.bindGroupLayouts[n].layout===e)return t.bindGroupLayouts[n].sval;return vtkErrorMacro("layout not found"),console.trace(),null},e.getPipeline=e=>e in t.pipelines?t.pipelines[e]:null,e.createPipeline=(n,r)=>{r.initialize(e,n),t.pipelines[n]=r},e.onSubmittedWorkDone=()=>t.handle.queue.onSubmittedWorkDone(),e.hasCachedObject=e=>t.objectCache.getValue(e),e.getCachedObject=(e,n,...r)=>{if(!e)return vtkErrorMacro("attempt to cache an object without a hash"),null;const o=t.objectCache.getValue(e);if(o)return o;const a=n(...r);return t.objectCache.setValue(e,a),a}}(e,t)}var Yx={newInstance:qt(qx,"vtkWebGPUDevice"),extend:qx};const Jx={selectionRenderEncoder:null,colorTexture:null,depthTexture:null};function Zx(e,t,n={}){Object.assign(t,Jx,n),gv.extend(e,t,n),ln.get(e,t,["colorTexture","depthTexture"]),function(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelectionPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=null,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getDevice();if(t.selectionRenderEncoder)t.colorTexture.resize(n.getCanvas().width,n.getCanvas().height),t.depthTexture.resizeToMatch(t.colorTexture);else{e.createRenderEncoder(),t.colorTexture=LT.newInstance({label:"hardwareSelectorColor"}),t.colorTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"rgba32uint",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const r=t.colorTexture.createView("hardwareSelectColorTexture");t.selectionRenderEncoder.setColorTextureView(0,r),t.depthTexture=LT.newInstance({label:"hardwareSelectorDepth"}),t.depthTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"depth32float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const a=t.depthTexture.createView("hardwareSelectDepthTexture");t.selectionRenderEncoder.setDepthTextureView(a)}t.selectionRenderEncoder.attachTextureViews(),r.setRenderEncoder(t.selectionRenderEncoder),e.setCurrentOperation("cameraPass"),r.traverse(e),e.setCurrentOperation("opaquePass"),r.traverse(e)},e.createRenderEncoder=()=>{t.selectionRenderEncoder=PT.newInstance({label:"HardwareSelectionPass"}),t.selectionRenderEncoder.setPipelineHash("sel"),t.selectionRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4<u32>","outColor");let n=t.getCode();n=eT.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4<u32>(mapperUBO.PropID, compositeID, 0u, 0u);"]).result,t.setCode(n)})),t.selectionRenderEncoder.getDescription().colorAttachments[0].clearValue=[0,0,0,0],t.selectionRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba32uint",blend:void 0}]}})}}(e,t)}var Qx={newInstance:ln.newInstance(Zx,"vtkWebGPUHardwareSelectionPass"),extend:Zx};const{SelectionContent:$x,SelectionField:eb}=Up,{FieldAssociations:tb}=Ys,{vtkErrorMacro:nb}=ln;function rb(e){return`${e.propID} ${e.compositeID}`}function ob(e,t,n,r){const o=4*((n.height-t-1)*n.colorBufferWidth+e)+r;return n.colorValues[o]}function ab(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]<0||t[0]>=e.width||t[1]<0||t[1]>=e.height)return null;const n=ob(t[0],t[1],e,0);if(n<=0)return null;const o={};o.propID=n;let a=ob(t[0],t[1],e,1);if((a<0||a>16777215)&&(a=0),o.compositeID=a,e.captureZValues){const n=(e.height-t[1]-1)*e.zbufferBufferWidth+t[0];o.zValue=e.depthValues[n],o.zValue=e.webGPURenderer.convertToOpenGLDepth(o.zValue),o.displayPosition=t}return o}const a=[t[0],t[1]],i=[0,0];let s=ab(e,t,0,r);if(s)return s;for(let t=1;t<o;++t){for(let n=a[1]>t?a[1]-t:0;n<=a[1]+t;++n){if(i[1]=n,a[0]>=t&&(i[0]=a[0]-t,s=ab(e,i,0,r),s))return s;if(i[0]=a[0]+t,s=ab(e,i,0,r),s)return s}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(i[0]=n,a[1]>=t&&(i[1]=a[1]-t,s=ab(e,i,0,r),s))return s;if(i[1]=a[1]+t,s=ab(e,i,0,r),s)return s}}return r[0]=t[0],r[1]=t[1],null}function ib(e,t,n,r,o){const a=Math.floor(t),i=Math.floor(n),s=Math.floor(r),l=Math.floor(o),c=new Map,u=[0,0];for(let t=i;t<=l;t++)for(let n=a;n<=s;n++){const r=ab(e,[n,t],0,u);if(r){const t=rb(r);if(c.has(t)){const n=c.get(t);n.pixelCount++,e.captureZValues&&r.zValue<n.info.zValue&&(n.info=r),-1===n.attributeIDs.indexOf(r.attributeID)&&n.attributeIDs.push(r.attributeID)}else c.set(t,{info:r,pixelCount:1,attributeIDs:[r.attributeID]})}}return function(e,t,n){const r=[];let o=0;return t.forEach(((t,a)=>{const i=Up.newInstance();switch(i.setContentType($x.INDICES),e){case tb.FIELD_ASSOCIATION_CELLS:i.setFieldType(eb.CELL);break;case tb.FIELD_ASSOCIATION_POINTS:i.setFieldType(eb.POINT);break;default:nb("Unknown field association")}i.getProperties().propID=t.info.propID;const s=n.webGPURenderer.getPropFromID(t.info.propID);i.getProperties().prop=s.getRenderable(),i.getProperties().compositeID=t.info.compositeID,i.getProperties().pixelCount=t.pixelCount,n.captureZValues&&(i.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],i.getProperties().worldPosition=n.webGPURenderWindow.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,n.renderer)),i.setSelectionList(t.attributeIDs),r[o]=i,o++})),r}(e.fieldAssociation,c,e)}const sb={};function lb(e,t,n={}){Object.assign(t,sb,n),Vp.extend(e,t,n),t._selectionPass=Qx.newInstance(),ln.setGet(e,t,["_WebGPURenderWindow"]),ln.moveToProtected(e,t,["WebGPURenderWindow"]),function(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelector"),e.endSelection=()=>{t.WebGPURenderer.setSelector(null)},e.getSourceDataAsync=async e=>{if(!e||!t._WebGPURenderWindow)return nb("Renderer and view must be set before calling Select."),!1;t._WebGPURenderWindow.getRenderable().preRender(),t._WebGPURenderWindow.getInitialized()||(t._WebGPURenderWindow.initialize(),await new Promise((e=>{t._WebGPURenderWindow.onInitialized(e)})));const n=t._WebGPURenderWindow.getViewNodeFor(e);if(!n)return!1;const r=n.getSuppressClear();n.setSuppressClear(!0),t._selectionPass.traverse(t._WebGPURenderWindow,n),n.setSuppressClear(r);const o=t._WebGPURenderWindow.getDevice(),a=t._selectionPass.getColorTexture(),i=t._selectionPass.getDepthTexture(),s={area:[0,0,a.getWidth()-1,a.getHeight()-1],captureZValues:t.captureZValues,fieldAssociation:t.fieldAssociation,renderer:e,webGPURenderer:n,webGPURenderWindow:t._WebGPURenderWindow,width:a.getWidth(),height:a.getHeight()};s.colorBufferWidth=16*Math.floor((s.width+15)/16),s.colorBufferSizeInBytes=s.colorBufferWidth*s.height*4*4;const l=jT.newInstance({label:"hardwareSelectColorBuffer"});l.setDevice(o),l.create(s.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const c=t._WebGPURenderWindow.getCommandEncoder();let u;c.copyTextureToBuffer({texture:a.getHandle()},{buffer:l.getHandle(),bytesPerRow:16*s.colorBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1}),t.captureZValues&&(s.zbufferBufferWidth=64*Math.floor((s.width+63)/64),u=jT.newInstance({label:"hardwareSelectDepthBuffer"}),u.setDevice(o),s.zbufferSizeInBytes=s.height*s.zbufferBufferWidth*4,u.create(s.zbufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST),c.copyTextureToBuffer({texture:i.getHandle(),aspect:"depth-only"},{buffer:u.getHandle(),bytesPerRow:4*s.zbufferBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1})),o.submitCommandEncoder(c);const d=l.mapAsync(GPUMapMode.READ);if(t.captureZValues){const e=u.mapAsync(GPUMapMode.READ);await Promise.all([d,e]),s.depthValues=new Float32Array(u.getMappedRange().slice()),u.unmap()}else await d;return s.colorValues=new Uint32Array(l.getMappedRange().slice()),l.unmap(),s.generateSelection=(e,t,n,r)=>ib(s,e,t,n,r),s}}(e,t)}var cb={newInstance:ln.newInstance(lb,"vtkWebGPUHardwareSelector"),extend:lb};const ub=Object.create(null);const db={};function pb(e,t,n={}){Object.assign(t,db,n),t.overrides=ub,hn.extend(e,t,n),function(e,t){t.classHierarchy.push("vtkWebGPUViewNodeFactory")}(0,t)}var fb={newInstance:ln.newInstance(pb,"vtkWebGPUViewNodeFactory"),extend:pb};const{vtkErrorMacro:gb}=ln,mb={position:"absolute",top:0,left:0,width:"100%",height:"100%"};function hb(e,t){t.classHierarchy.push("vtkWebGPURenderWindow"),e.getViewNodeFactory=()=>t.myFactory;const n=[0,0];e.onModified((function(){t.renderable&&(t.size[0]===n[0]&&t.size[1]===n[1]||(n[0]=t.size[0],n[1]=t.size[1],t.canvas.setAttribute("width",t.size[0]),t.canvas.setAttribute("height",t.size[1]),e.recreateSwapChain())),t.viewStream&&t.viewStream.setSize(t.size[0],t.size[1]),t.canvas.style.display=t.useOffScreen?"none":"block",t.el&&(t.el.style.cursor=t.cursorVisibility?t.cursor:"none"),t.containerSize=null})),e.recreateSwapChain=()=>{t.context&&(t.context.unconfigure(),t.presentationFormat=navigator.gpu.getPreferredCanvasFormat(t.adapter),t.context.configure({device:t.device.getHandle(),format:t.presentationFormat,alphaMode:"premultiplied",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_DST,width:t.size[0],height:t.size[1]}),t._configured=!0)},e.getCurrentTexture=()=>t.context.getCurrentTexture(),e.buildPass=n=>{if(n){if(!t.renderable)return;e.prepareNodes(),e.addMissingNodes(t.renderable.getRenderersByReference()),e.removeUnusedNodes(),e.initialize()}else t.initialized&&(t._configured||e.recreateSwapChain(),t.commandEncoder=t.device.createCommandEncoder())},e.initialize=()=>{if(!t.initializing){if(t.initializing=!0,!navigator.gpu)return void gb("WebGPU is not enabled.");e.create3DContextAsync().then((()=>{t.initialized=!0,t.deleted||e.invokeInitialized()}))}},e.setContainer=n=>{t.el&&t.el!==n&&(t.canvas.parentNode!==t.el&&gb("Error: canvas parent node does not match container"),t.el.removeChild(t.canvas),t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)),t.el!==n&&(t.el=n,t.el&&(t.el.appendChild(t.canvas),t.useBackgroundImage&&t.el.appendChild(t.bgImage)),e.modified())},e.getContainer=()=>t.el,e.getContainerSize=()=>{if(!t.containerSize&&t.el){const{width:e,height:n}=t.el.getBoundingClientRect();t.containerSize=[e,n]}return t.containerSize||t.size},e.getFramebufferSize=()=>t.size,e.create3DContextAsync=async()=>{t.adapter=await navigator.gpu.requestAdapter({powerPreference:"high-performance"}),t.deleted||(t.device=Yx.newInstance(),t.device.initialize(await t.adapter.requestDevice({requiredLimits:{maxBufferSize:t.adapter.limits.maxBufferSize,maxStorageBufferBindingSize:t.adapter.limits.maxStorageBufferBindingSize,maxUniformBufferBindingSize:t.adapter.limits.maxUniformBufferBindingSize}})),t.deleted?t.device=null:t.context=t.canvas.getContext("webgpu"))},e.releaseGraphicsResources=()=>{const n=gv.newInstance();n.setCurrentOperation("Release"),n.traverse(e,null),t.adapter=null,t.device=null,t.context=null,t.initialized=!1,t.initializing=!1},e.setBackgroundImage=e=>{t.bgImage.src=e.src},e.setUseBackgroundImage=e=>{t.useBackgroundImage=e,t.useBackgroundImage&&!t.el.contains(t.bgImage)?t.el.appendChild(t.bgImage):!t.useBackgroundImage&&t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)},e.captureNextImage=(n="image/png",{resetCamera:r=!1,size:o=null,scale:a=1}={})=>{if(t.deleted)return null;t.imageFormat=n;const i=t.notifyStartCaptureImage;return t.notifyStartCaptureImage=!0,t._screenshot={size:o||1!==a?o||t.size.map((e=>e*a)):null},new Promise(((n,o)=>{const a=e.onImageReady((o=>{if(null===t._screenshot.size)t.notifyStartCaptureImage=i,a.unsubscribe(),t._screenshot.placeHolder&&(t.size=t._screenshot.originalSize,e.modified(),t._screenshot.cameras&&t._screenshot.cameras.forEach((({restoreParamsFn:e,arg:t})=>e(t))),e.traverseAllPasses(),t.el.removeChild(t._screenshot.placeHolder),t._screenshot.placeHolder.remove(),t._screenshot=null),n(o);else{const n=document.createElement("img");if(n.style=mb,n.src=o,t._screenshot.placeHolder=t.el.appendChild(n),t.canvas.style.display="none",t._screenshot.originalSize=t.size,t.size=t._screenshot.size,t._screenshot.size=null,e.modified(),r){const e=!0!==r;t._screenshot.cameras=t.renderable.getRenderers().map((t=>{const n=t.getActiveCamera(),o=n.get("focalPoint","position","parallelScale");return{resetCameraArgs:e?{renderer:t}:void 0,resetCameraFn:e?r:t.resetCamera,restoreParamsFn:n.set,arg:JSON.parse(JSON.stringify(o))}})),t._screenshot.cameras.forEach((({resetCameraFn:e,resetCameraArgs:t})=>e(t)))}e.traverseAllPasses()}}))}))},e.traverseAllPasses=()=>{if(!t.deleted)if(t.initialized){if(t.renderPasses)for(let n=0;n<t.renderPasses.length;++n)t.renderPasses[n].traverse(e,null);t.commandEncoder&&(t.device.submitCommandEncoder(t.commandEncoder),t.commandEncoder=null,t.notifyStartCaptureImage&&t.device.onSubmittedWorkDone().then((()=>{!async function(n=t.imageFormat){const r=document.createElement("canvas"),o=r.getContext("2d");r.width=t.canvas.width,r.height=t.canvas.height;const a=await e.getPixelsAsync(),i=new ImageData(a.colorValues,a.width,a.height);o.putImageData(i,0,0);const s=t.canvas.getBoundingClientRect();t.renderable.getRenderers().forEach((e=>{e.getViewProps().forEach((e=>{if(e.getContainer){const t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e<t.length;e++){const n=t[e],r=n.getBoundingClientRect(),a=r.x-s.x,i=r.y-s.y;o.drawImage(n,a,i)}}}))}));const l=r.toDataURL(n);r.remove(),e.invokeImageReady(l)}()})))}else{e.initialize();const t=e.onInitialized((()=>{t.unsubscribe(),e.traverseAllPasses()}))}},e.setViewStream=n=>{if(t.viewStream===n)return!1;if(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream){t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()}return!0},e.getUniquePropID=()=>t.nextPropID++,e.getPropFromID=e=>{for(let n=0;n<t.children.length;n++){const r=t.children[n].getPropFromID(e);if(null!==r)return r}return null},e.getPixelsAsync=async()=>{const e=t.device,n=t.renderPasses[0].getOpaquePass().getColorTexture(),r={width:n.getWidth(),height:n.getHeight()};r.colorBufferWidth=32*Math.floor((r.width+31)/32),r.colorBufferSizeInBytes=r.colorBufferWidth*r.height*8;const o=jT.newInstance();o.setDevice(e),o.create(r.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const a=t.device.createCommandEncoder();a.copyTextureToBuffer({texture:n.getHandle()},{buffer:o.getHandle(),bytesPerRow:8*r.colorBufferWidth,rowsPerImage:r.height},{width:r.width,height:r.height,depthOrArrayLayers:1}),e.submitCommandEncoder(a);const i=o.mapAsync(GPUMapMode.READ);await i,r.colorValues=new Uint16Array(o.getMappedRange().slice()),o.unmap();const s=new Uint8ClampedArray(r.height*r.width*4);for(let e=0;e<r.height;e++)for(let t=0;t<r.width;t++){const n=4*(e*r.width+t),o=4*(e*r.colorBufferWidth+t);s[n]=255*Id.fromHalf(r.colorValues[o]),s[n+1]=255*Id.fromHalf(r.colorValues[o+1]),s[n+2]=255*Id.fromHalf(r.colorValues[o+2]),s[n+3]=255*Id.fromHalf(r.colorValues[o+3])}return r.colorValues=s,r},e.createSelector=()=>{const t=cb.newInstance();return t.setWebGPURenderWindow(e),t};const r=e.setSize;e.setSize=(t,n)=>{const o=r(t,n);return o&&e.invokeWindowResizeEvent({width:t,height:n}),o},e.delete=ln.chain(e.delete,e.setViewStream)}const vb={initialized:!1,context:null,adapter:null,device:null,canvas:null,cursorVisibility:!0,cursor:"pointer",containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1,nextPropID:1,xrSupported:!1,presentationFormat:null};const Tb=ln.newInstance((function(e,t,n={}){Object.assign(t,vb,n),t.canvas=document.createElement("canvas"),t.canvas.style.width="100%",t.bgImage=new Image,t.bgImage.style.position="absolute",t.bgImage.style.left="0",t.bgImage.style.top="0",t.bgImage.style.width="100%",t.bgImage.style.height="100%",t.bgImage.style.zIndex="-1",Fv.extend(e,t,n),t.myFactory=fb.newInstance(),t.renderPasses[0]=_x.newInstance(),t.selector||(t.selector=cb.newInstance(),t.selector.setWebGPURenderWindow(e)),ln.event(e,t,"imageReady"),ln.event(e,t,"initialized"),ln.get(e,t,["commandEncoder","device","presentationFormat","useBackgroundImage","xrSupported"]),ln.setGet(e,t,["initialized","context","canvas","device","renderPasses","notifyStartCaptureImage","cursor","useOffScreen"]),ln.setGetArray(e,t,["size"],2),ln.event(e,t,"windowResizeEvent"),hb(e,t)}),"vtkWebGPURenderWindow");var xb;Ph("WebGPU",Tb),xb=Tb,ub["vtkRenderWindow"]=xb;const bb=dv.extractURLParameters(),Ab={margin:"0",padding:"0",position:"absolute",top:"0",left:"0",width:"100%",height:"100%",overflow:"hidden"},yb={position:"absolute",left:"25px",top:"25px",backgroundColor:"white",borderRadius:"5px",listStyle:"none",padding:"5px 10px",margin:"0",display:"block",border:"solid 1px black",maxWidth:"calc(100% - 70px)",maxHeight:"calc(100% - 60px)",overflow:"auto"};function Cb(e,t){Object.keys(t).forEach((n=>{e.style[n]=t[n]}))}const Sb={background:[.32,.34,.43],containerStyle:null,controlPanelStyle:null,listenWindowResize:!0,resizeCallback:null,controllerVisibility:!0};function Pb(e,t,n={}){Object.assign(t,Sb,n),ln.obj(e,t),ln.get(e,t,["renderWindow","renderer","apiSpecificRenderWindow","interactor","rootContainer","container","controlContainer"]),function(e,t){t.classHierarchy.push("vtkFullScreenRenderWindow");const n=document.querySelector("body");function r(t){"c"===String.fromCharCode(t.charCode)&&e.toggleControllerVisibility()}t.rootContainer||(t.rootContainer=n),t.container||(t.container=document.createElement("div"),Cb(t.container,t.containerStyle||Ab),t.rootContainer.appendChild(t.container)),t.rootContainer===n&&(document.documentElement.style.height="100%",n.style.height="100%",n.style.padding="0",n.style.margin="0"),t.renderWindow=Rh.newInstance(),t.renderer=Ch.newInstance(),t.renderWindow.addRenderer(t.renderer),t.apiSpecificRenderWindow=t.renderWindow.newAPISpecificView(bb.viewAPI??t.defaultViewAPI),t.apiSpecificRenderWindow.setContainer(t.container),t.renderWindow.addView(t.apiSpecificRenderWindow),t.interactor=jh.newInstance(),t.interactor.setInteractorStyle(lv.newInstance()),t.interactor.setView(t.apiSpecificRenderWindow),t.interactor.initialize(),t.interactor.bindEvents(t.container),e.setBackground=t.renderer.setBackground,e.removeController=()=>{const e=t.controlContainer;e&&e.parentNode.removeChild(e)},e.setControllerVisibility=e=>{t.controllerVisibility=e,t.controlContainer&&(t.controlContainer.style.display=e?"block":"none")},e.toggleControllerVisibility=()=>{e.setControllerVisibility(!t.controllerVisibility)},e.addController=n=>{t.controlContainer=document.createElement("div"),Cb(t.controlContainer,t.controlPanelStyle||yb),t.rootContainer.appendChild(t.controlContainer),t.controlContainer.innerHTML=n,e.setControllerVisibility(t.controllerVisibility),t.rootContainer.addEventListener("keypress",r)},e.setBackground(...t.background),e.addRepresentation=e=>{e.getActors().forEach((e=>{t.renderer.addActor(e)}))},e.removeRepresentation=e=>{e.getActors().forEach((e=>t.renderer.removeActor(e)))},e.delete=ln.chain(e.setContainer,t.apiSpecificRenderWindow.delete,(()=>{t.rootContainer?.removeEventListener("keypress",r),window.removeEventListener("resize",e.resize)}),e.delete),e.resize=()=>{const e=t.container.getBoundingClientRect(),n=window.devicePixelRatio||1;t.apiSpecificRenderWindow.setSize(Math.floor(e.width*n),Math.floor(e.height*n)),t.resizeCallback&&t.resizeCallback(e),t.renderWindow.render()},e.setResizeCallback=n=>{t.resizeCallback=n,e.resize()},t.listenWindowResize&&window.addEventListener("resize",e.resize),e.resize()}(e,t)}var wb={newInstance:ln.newInstance(Pb),extend:Pb};var Ib={ColorSpace:{RGB:0,HSV:1,LAB:2,DIVERGING:3},Scale:{LINEAR:0,LOG10:1}};const{ColorSpace:Ob,Scale:Rb}=Ib,{ScalarMappingTarget:Mb}=vl,{vtkDebugMacro:Db,vtkErrorMacro:Eb,vtkWarningMacro:Vb}=ln;function Lb(e,t){const n=e[0],r=e[1],o=e[2],a=Math.sqrt(n*n+r*r+o*o),i=a>.001?Math.acos(n/a):0,s=i>.001?Math.atan2(o,r):0;t[0]=a,t[1]=i,t[2]=s}function Bb(e,t){if(e[0]>=t-.1)return e[2];const n=e[1]*Math.sqrt(t*t-e[0]*e[0])/(e[0]*Math.sin(e[1]));return e[2]>-.3*Math.PI?e[2]+n:e[2]-n}function Fb(e,t,n,r){const o=[],a=[];wa(t,o),wa(n,a);const i=[],s=[];Lb(o,i),Lb(a,s);let l=e;if(i[1]>.05&&s[1]>.05&&function(e,t){let n=e-t;for(n<0&&(n=-n);n>=2*Math.PI;)n-=2*Math.PI;return n>Math.PI&&(n=2*Math.PI-n),n}(i[2],s[2])>.33*Math.PI){let t=Math.max(i[0],s[0]);t=Math.max(88,t),e<.5?(s[0]=t,s[1]=0,s[2]=0,l*=2):(i[0]=t,i[1]=0,i[2]=0,l=2*l-1)}i[1]<.05&&s[1]>.05?i[2]=Bb(s,i[0]):s[1]<.05&&i[1]>.05&&(s[2]=Bb(i,s[0]));const c=[];c[0]=(1-l)*i[0]+l*s[0],c[1]=(1-l)*i[1]+l*s[1],c[2]=(1-l)*i[2]+l*s[2];const u=[];!function(e,t){const n=e[0],r=e[1],o=e[2];t[0]=n*Math.cos(r),t[1]=n*Math.sin(r)*Math.cos(o),t[2]=n*Math.sin(r)*Math.sin(o)}(c,u),Ia(u,r)}const Nb={clamping:!0,colorSpace:Ob.RGB,hSVWrap:!0,scale:Rb.LINEAR,nanColor:null,belowRangeColor:null,aboveRangeColor:null,useAboveRangeColor:!1,useBelowRangeColor:!1,allowDuplicateScalars:!1,table:null,tableSize:0,buildTime:null,nodes:null,discretize:!1,numberOfValues:256};function kb(e,t,n={}){Object.assign(t,Nb,n),vl.extend(e,t,n),t.table=[],t.nodes=[],t.nanColor=[.5,0,0,1],t.belowRangeColor=[0,0,0,1],t.aboveRangeColor=[1,1,1,1],t.buildTime={},ln.obj(t.buildTime),ln.get(e,t,["buildTime","mappingRange"]),ln.setGet(e,t,["useAboveRangeColor","useBelowRangeColor","discretize","numberOfValues",{type:"enum",name:"colorSpace",enum:Ob},{type:"enum",name:"scale",enum:Rb}]),ln.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),ln.getArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"]),function(e,t){t.classHierarchy.push("vtkColorTransferFunction"),e.getSize=()=>t.nodes.length,e.addRGBPoint=(t,n,r,o)=>e.addRGBPointLong(t,n,r,o,.5,0),e.addRGBPointLong=(n,r,o,a,i=.5,s=0)=>{if(i<0||i>1)return Eb("Midpoint outside range [0.0, 1.0]"),-1;if(s<0||s>1)return Eb("Sharpness outside range [0.0, 1.0]"),-1;t.allowDuplicateScalars||e.removePoint(n);const l={x:n,r:r,g:o,b:a,midpoint:i,sharpness:s};t.nodes.push(l),e.sortAndUpdateRange();let c=0;for(;c<t.nodes.length&&t.nodes[c].x!==n;c++);return c<t.nodes.length?c:-1},e.addHSVPoint=(t,n,r,o)=>e.addHSVPointLong(t,n,r,o,.5,0),e.addHSVPointLong=(t,n,r,o,a=.5,i=0)=>{const s=[];return Aa([n,r,o],s),e.addRGBPoint(t,s[0],s[1],s[2],a,i)},e.setNodes=n=>{if(t.nodes!==n){const r=JSON.stringify(t.nodes);t.nodes=n;const o=JSON.stringify(t.nodes);if(e.sortAndUpdateRange()||r!==o)return e.modified(),!0}return!1},e.sortAndUpdateRange=()=>{const n=JSON.stringify(t.nodes);t.nodes.sort(((e,t)=>e.x-t.x));const r=JSON.stringify(t.nodes),o=e.updateRange();return o||n===r?o:(e.modified(),!0)},e.updateRange=()=>{const n=[2];n[0]=t.mappingRange[0],n[1]=t.mappingRange[1];const r=t.nodes.length;return r?(t.mappingRange[0]=t.nodes[0].x,t.mappingRange[1]=t.nodes[r-1].x):(t.mappingRange[0]=0,t.mappingRange[1]=0),(n[0]!==t.mappingRange[0]||n[1]!==t.mappingRange[1])&&(e.modified(),!0)},e.removePoint=n=>{let r=0;for(;r<t.nodes.length&&t.nodes[r].x!==n;r++);const o=r;if(r>=t.nodes.length)return-1;let a=!1;return t.nodes.splice(r,1),0!==r&&r!==t.nodes.length||(a=e.updateRange()),a||e.modified(),o},e.movePoint=(n,r)=>{if(n!==r){e.removePoint(r);for(let o=0;o<t.nodes.length;o++)if(t.nodes[o].x===n){t.nodes[o].x=r,e.sortAndUpdateRange();break}}},e.removeAllPoints=()=>{t.nodes=[],e.sortAndUpdateRange()},e.addRGBSegment=(n,r,o,a,i,s,l,c)=>{e.sortAndUpdateRange();for(let e=0;e<t.nodes.length;)t.nodes[e].x>=n&&t.nodes[e].x<=i?t.nodes.splice(e,1):e++;e.addRGBPointLong(n,r,o,a,.5,0),e.addRGBPointLong(i,s,l,c,.5,0),e.modified()},e.addHSVSegment=(t,n,r,o,a,i,s,l)=>{const c=[i,s,l],u=[],d=[];Aa([n,r,o],u),Aa(c,d),e.addRGBSegment(t,u[0],u[1],u[2],a,d[0],d[1],d[2])},e.mapValue=t=>{const n=[];return e.getColor(t,n),[Math.floor(255*n[0]+.5),Math.floor(255*n[1]+.5),Math.floor(255*n[2]+.5),255]},e.getColor=(n,r)=>{if(t.indexedLookup){const t=e.getSize(),o=e.getAnnotatedValueIndexInternal(n);if(o<0||0===t){const t=e.getNanColorByReference();r[0]=t[0],r[1]=t[1],r[2]=t[2]}else{const n=[];e.getNodeValue(o%t,n),r[0]=n[1],r[1]=n[2],r[2]=n[3]}}else e.getTable(n,n,1,r)},e.getRedValue=t=>{const n=[];return e.getColor(t,n),n[0]},e.getGreenValue=t=>{const n=[];return e.getColor(t,n),n[1]},e.getBlueValue=t=>{const n=[];return e.getColor(t,n),n[2]},e.logScaleEnabled=()=>t.scale===Rb.LOG10,e.usingLogScale=()=>e.logScaleEnabled()&&t.mappingRange[0]>0,e.getTable=(n,r,o,a)=>{const i=e.usingLogScale(),s=i?Math.log10(Number(n)):Number(n),l=i?Math.log10(Number(r)):Number(r);if(Ga(s)||Ga(l)){for(let e=0;e<o;e++)a[3*e+0]=t.nanColor[0],a[3*e+1]=t.nanColor[1],a[3*e+2]=t.nanColor[2];return}let c=0;const u=t.nodes.length;let d=0,p=0,f=0;0!==u&&(d=t.nodes[u-1].r,p=t.nodes[u-1].g,f=t.nodes[u-1].b);let g=0,m=0,h=0;const v=[0,0,0],T=[0,0,0];let x=0,b=0;const A=[];let y=t.mappingRange;i&&(y=[Math.log10(t.mappingRange[0]),Math.log10(t.mappingRange[1])]);for(let n=0;n<o;n++){const r=3*n;if(g=o>1?s+n/(o-1)*(l-s):.5*(s+l),t.discretize){const e=y;if(g>=e[0]&&g<=e[1]){const n=t.numberOfValues,r=e[1]-e[0];if(n<=1)g=e[0]+r/2;else{const t=(g-e[0])/r,o=Mo(n*t);g=e[0]+o/(n-1)*r}}}for(;c<u&&g>t.nodes[c].x;)c++,c<u&&(m=t.nodes[c-1].x,h=t.nodes[c].x,v[0]=t.nodes[c-1].r,T[0]=t.nodes[c].r,v[1]=t.nodes[c-1].g,T[1]=t.nodes[c].g,v[2]=t.nodes[c-1].b,T[2]=t.nodes[c].b,x=t.nodes[c-1].midpoint,b=t.nodes[c-1].sharpness,x<1e-5&&(x=1e-5),x>.99999&&(x=.99999));if(g>y[1])a[r]=0,a[r+1]=0,a[r+2]=0,t.clamping&&(e.getUseAboveRangeColor()?(a[r]=t.aboveRangeColor[0],a[r+1]=t.aboveRangeColor[1],a[r+2]=t.aboveRangeColor[2]):(a[r]=d,a[r+1]=p,a[r+2]=f));else if(g<y[0]||Fa(g)&&g<0)a[r]=0,a[r+1]=0,a[r+2]=0,t.clamping&&(e.getUseBelowRangeColor()?(a[r]=t.belowRangeColor[0],a[r+1]=t.belowRangeColor[1],a[r+2]=t.belowRangeColor[2]):u>0&&(a[r]=t.nodes[0].r,a[r+1]=t.nodes[0].g,a[r+2]=t.nodes[0].b));else if(0===c&&(Math.abs(g-s)<1e-6||t.discretize))u>0?(a[r]=t.nodes[0].r,a[r+1]=t.nodes[0].g,a[r+2]=t.nodes[0].b):(a[r]=0,a[r+1]=0,a[r+2]=0);else{let e=0;if(e=(g-m)/(h-m),e=e<x?.5*e/x:.5+.5*(e-x)/(1-x),b>.99){if(e<.5){a[r]=v[0],a[r+1]=v[1],a[r+2]=v[2];continue}a[r]=T[0],a[r+1]=T[1],a[r+2]=T[2];continue}if(b<.01){if(t.colorSpace===Ob.RGB)a[r]=(1-e)*v[0]+e*T[0],a[r+1]=(1-e)*v[1]+e*T[1],a[r+2]=(1-e)*v[2]+e*T[2];else if(t.colorSpace===Ob.HSV){const n=[],o=[];ba(v,n),ba(T,o),t.hSVWrap&&(n[0]-o[0]>.5||o[0]-n[0]>.5)&&(n[0]>o[0]?n[0]-=1:o[0]-=1);const i=[];i[0]=(1-e)*n[0]+e*o[0],i[0]<0&&(i[0]+=1),i[1]=(1-e)*n[1]+e*o[1],i[2]=(1-e)*n[2]+e*o[2],Aa(i,A),a[r]=A[0],a[r+1]=A[1],a[r+2]=A[2]}else if(t.colorSpace===Ob.LAB){const t=[],n=[];wa(v,t),wa(T,n);const o=[];o[0]=(1-e)*t[0]+e*n[0],o[1]=(1-e)*t[1]+e*n[1],o[2]=(1-e)*t[2]+e*n[2],Ia(o,A),a[r]=A[0],a[r+1]=A[1],a[r+2]=A[2]}else t.colorSpace===Ob.DIVERGING?(Fb(e,v,T,A),a[r]=A[0],a[r+1]=A[1],a[r+2]=A[2]):Eb("ColorSpace set to invalid value.",t.colorSpace);continue}e<.5?e=.5*(2*e)**(1+10*b):e>.5&&(e=1-.5*(2*(1-e))**(1+10*b));const n=e*e,o=n*e,i=2*o-3*n+1,s=-2*o+3*n,l=o-2*n+e,c=o-n;let u,d;if(t.colorSpace===Ob.RGB)for(let e=0;e<3;e++)u=T[e]-v[e],d=(1-b)*u,a[r+e]=i*v[e]+s*T[e]+l*d+c*d;else if(t.colorSpace===Ob.HSV){const e=[],n=[];ba(v,e),ba(T,n),t.hSVWrap&&(e[0]-n[0]>.5||n[0]-e[0]>.5)&&(e[0]>n[0]?e[0]-=1:n[0]-=1);const o=[];for(let t=0;t<3;t++)u=n[t]-e[t],d=(1-b)*u,o[t]=i*e[t]+s*n[t]+l*d+c*d,0===t&&o[t]<0&&(o[t]+=1);Aa(o,A),a[r]=A[0],a[r+1]=A[1],a[r+2]=A[2]}else if(t.colorSpace===Ob.LAB){const e=[],t=[];wa(v,e),wa(T,t);const n=[];for(let r=0;r<3;r++)u=t[r]-e[r],d=(1-b)*u,n[r]=i*e[r]+s*t[r]+l*d+c*d;Ia(n,A),a[r]=A[0],a[r+1]=A[1],a[r+2]=A[2]}else t.colorSpace===Ob.DIVERGING?(Fb(e,v,T,A),a[r]=A[0],a[r+1]=A[1],a[r+2]=A[2]):Eb("ColorSpace set to invalid value.");for(let e=0;e<3;e++)a[r+e]=a[r+e]<0?0:a[r+e],a[r+e]=a[r+e]>1?1:a[r+e]}}},e.getUint8Table=(n,r,o,a=!1)=>{if(e.getMTime()<=t.buildTime&&t.tableSize===o&&t.tableWithAlpha!==a)return t.table;if(0===t.nodes.length)return Eb("Attempting to lookup a value with no points in the function"),t.table;const i=a?4:3;t.tableSize===o&&t.tableWithAlpha===a||(t.table=new Uint8Array(o*i),t.tableSize=o,t.tableWithAlpha=a);const s=[];e.getTable(n,r,o,s);for(let e=0;e<o;e++)t.table[e*i+0]=Math.floor(255*s[3*e+0]+.5),t.table[e*i+1]=Math.floor(255*s[3*e+1]+.5),t.table[e*i+2]=Math.floor(255*s[3*e+2]+.5),a&&(t.table[e*i+3]=255);return t.buildTime.modified(),t.table},e.buildFunctionFromArray=n=>{e.removeAllPoints();const r=n.getNumberOfComponents();for(let e=0;e<n.getNumberOfTuples();e++)switch(r){case 3:t.nodes.push({x:e,r:n.getComponent(e,0),g:n.getComponent(e,1),b:n.getComponent(e,2),midpoint:.5,sharpness:0});break;case 4:t.nodes.push({x:n.getComponent(e,0),r:n.getComponent(e,1),g:n.getComponent(e,2),b:n.getComponent(e,3),midpoint:.5,sharpness:0});break;case 5:t.nodes.push({x:e,r:n.getComponent(e,0),g:n.getComponent(e,1),b:n.getComponent(e,2),midpoint:n.getComponent(e,4),sharpness:n.getComponent(e,5)});break;case 6:t.nodes.push({x:n.getComponent(e,0),r:n.getComponent(e,1),g:n.getComponent(e,2),b:n.getComponent(e,3),midpoint:n.getComponent(e,4),sharpness:n.getComponent(e,5)})}e.sortAndUpdateRange()},e.buildFunctionFromTable=(n,r,o,a)=>{let i=0;e.removeAllPoints(),o>1&&(i=(r-n)/(o-1));for(let e=0;e<o;e++){const r={x:n+i*e,r:a[3*e],g:a[3*e+1],b:a[3*e+2],sharpness:0,midpoint:.5};t.nodes.push(r)}e.sortAndUpdateRange()},e.getNodeValue=(e,n)=>e<0||e>=t.nodes.length?(Eb("Index out of range!"),-1):(n[0]=t.nodes[e].x,n[1]=t.nodes[e].r,n[2]=t.nodes[e].g,n[3]=t.nodes[e].b,n[4]=t.nodes[e].midpoint,n[5]=t.nodes[e].sharpness,1),e.setNodeValue=(n,r)=>{if(n<0||n>=t.nodes.length)return Eb("Index out of range!"),-1;const o=t.nodes[n].x;return t.nodes[n].x=r[0],t.nodes[n].r=r[1],t.nodes[n].g=r[2],t.nodes[n].b=r[3],t.nodes[n].midpoint=r[4],t.nodes[n].sharpness=r[5],o!==r[0]?e.sortAndUpdateRange():e.modified(),1},e.getNumberOfAvailableColors=()=>{if(t.indexedLookup&&e.getSize())return e.getSize();if(t.tableSize)return t.tableSize;const n=t.nodes?.length??0;return Math.max(4094,n)},e.getIndexedColor=(t,n)=>{const r=e.getSize();if(r>0&&t>=0){const o=[];e.getNodeValue(t%r,o);for(let e=0;e<3;++e)n[e]=o[e+1];return void(n[3]=1)}const o=e.getNanColorByReference();n[0]=o[0],n[1]=o[1],n[2]=o[2],n[3]=1},e.fillFromDataPointer=(t,n)=>{if(!(t<=0)&&n){e.removeAllPoints();for(let r=0;r<t;r++)e.addRGBPoint(n[4*r],n[4*r+1],n[4*r+2],n[4*r+3])}},e.setMappingRange=(n,r)=>{const o=[n,r],a=[n,r],i=e.getRange(),s=e.logScaleEnabled();if(i[1]===o[1]&&i[0]===o[0])return;if(o[1]===o[0])return void Eb("attempt to set zero width color range");s&&(o[0]<=0?console.warn("attempt to set log scale color range with non-positive minimum"):(a[0]=Math.log10(o[0]),a[1]=Math.log10(o[1])));const l=(a[1]-a[0])/(i[1]-i[0]),c=a[0]-i[0]*l;for(let e=0;e<t.nodes.length;++e)t.nodes[e].x=t.nodes[e].x*l+c;t.mappingRange[0]=o[0],t.mappingRange[1]=o[1],e.modified()},e.adjustRange=n=>{const r=e.getRange(),o=[];r[0]<n[0]?(e.getColor(n[0],o),e.addRGBPoint(n[0],o[0],o[1],o[2])):(e.getColor(r[0],o),e.addRGBPoint(n[0],o[0],o[1],o[2])),r[1]>n[1]?(e.getColor(n[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])):(e.getColor(r[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])),e.sortAndUpdateRange();for(let e=0;e<t.nodes.length;)t.nodes[e].x>=n[0]&&t.nodes[e].x<=n[1]?t.nodes.splice(e,1):++e;return 1},e.estimateMinNumberOfSamples=(t,n)=>{const r=e.findMinimumXDistance();return Math.ceil((n-t)/r)},e.findMinimumXDistance=()=>{if(t.nodes.length<2)return-1;let e=Number.MAX_VALUE;for(let n=0;n<t.nodes.length-1;n++){const r=t.nodes[n+1].x-t.nodes[n].x;r<e&&(e=r)}return e},e.mapScalarsThroughTable=(n,r,o,a)=>{0!==e.getSize()?t.indexedLookup?e.mapDataIndexed(n,r,o,a):e.mapData(n,r,o,a):Db("Transfer Function Has No Points!")},e.mapData=(t,n,r,o)=>{if(0===e.getSize())return void Vb("Transfer Function Has No Points!");const a=Math.floor(255*e.getAlpha()+.5),i=t.getNumberOfTuples(),s=t.getNumberOfComponents(),l=n.getData(),c=t.getData(),u=[];if(r===Mb.RGBA)for(let t=0;t<i;t++){const n=c[t*s+o];e.getColor(n,u),l[4*t]=Math.floor(255*u[0]+.5),l[4*t+1]=Math.floor(255*u[1]+.5),l[4*t+2]=Math.floor(255*u[2]+.5),l[4*t+3]=a}if(r===Mb.RGB)for(let t=0;t<i;t++){const n=c[t*s+o];e.getColor(n,u),l[3*t]=Math.floor(255*u[0]+.5),l[3*t+1]=Math.floor(255*u[1]+.5),l[3*t+2]=Math.floor(255*u[2]+.5)}if(r===Mb.LUMINANCE)for(let t=0;t<i;t++){const n=c[t*s+o];e.getColor(n,u),l[t]=Math.floor(76.5*u[0]+150.45*u[1]+28.05*u[2]+.5)}if(r===Mb.LUMINANCE_ALPHA)for(let t=0;t<i;t++){const n=c[t*s+o];e.getColor(n,u),l[2*t]=Math.floor(76.5*u[0]+150.45*u[1]+28.05*u[2]+.5),l[2*t+1]=a}},e.applyColorMap=n=>{const r=JSON.stringify(t.colorSpace);n.ColorSpace&&(t.colorSpace=Ob[n.ColorSpace.toUpperCase()],void 0===t.colorSpace&&(Eb(`ColorSpace ${n.ColorSpace} not supported, using RGB instead`),t.colorSpace=Ob.RGB));let o=r!==JSON.stringify(t.colorSpace);const a=o||JSON.stringify(t.nanColor);if(n.NanColor)for(t.nanColor=[].concat(n.NanColor);t.nanColor.length<4;)t.nanColor.push(1);o=o||a!==JSON.stringify(t.nanColor);const i=o||JSON.stringify(t.nodes);if(n.RGBPoints){const e=n.RGBPoints.length;t.nodes=[];const r=.5,o=0;for(let a=0;a<e;a+=4)t.nodes.push({x:n.RGBPoints[a],r:n.RGBPoints[a+1],g:n.RGBPoints[a+2],b:n.RGBPoints[a+3],midpoint:r,sharpness:o})}const s=e.sortAndUpdateRange(),l=!s&&(o||i!==JSON.stringify(t.nodes));return l&&e.modified(),s||l}}(e,t)}var Gb={newInstance:ln.newInstance(kb,"vtkColorTransferFunction"),extend:kb,...Ib};var Ub={OrientationModes:{DIRECTION:0,ROTATION:1,MATRIX:2},ScaleModes:{SCALE_BY_CONSTANT:0,SCALE_BY_MAGNITUDE:1,SCALE_BY_COMPONENTS:2}};const{OrientationModes:_b,ScaleModes:Kb}=Ub,{vtkErrorMacro:zb}=ln;const Wb={orient:!0,orientationMode:_b.DIRECTION,orientationArray:null,scaling:!0,scaleFactor:1,scaleMode:Kb.SCALE_BY_MAGNITUDE,scaleArray:null,matrixArray:null,normalArray:null,colorArray:null};function Hb(e,t,n={}){Object.assign(t,Wb,n),Yl.extend(e,t,n),ln.algo(e,t,2,0),t.buildTime={},ln.obj(t.buildTime,{mtime:0}),ln.setGet(e,t,["orient","orientationMode","orientationArray","scaleArray","scaleFactor","scaleMode","scaling"]),ln.get(e,t,["colorArray","matrixArray","normalArray","buildTime"]),function(e,t){t.classHierarchy.push("vtkGlyph3DMapper"),e.getOrientationModeAsString=()=>ln.enumToString(_b,t.orientationMode),e.setOrientationModeToDirection=()=>e.setOrientationMode(_b.DIRECTION),e.setOrientationModeToRotation=()=>e.setOrientationMode(_b.ROTATION),e.setOrientationModeToMatrix=()=>e.setOrientationMode(_b.MATRIX),e.getOrientationArrayData=()=>{const n=e.getInputData(0);return n&&n.getPointData()?t.orientationArray?n.getPointData().getArray(t.orientationArray):n.getPointData().getVectors():null},e.getScaleModeAsString=()=>ln.enumToString(Kb,t.scaleMode),e.setScaleModeToScaleByMagnitude=()=>e.setScaleMode(Kb.SCALE_BY_MAGNITUDE),e.setScaleModeToScaleByComponents=()=>e.setScaleMode(Kb.SCALE_BY_COMPONENTS),e.setScaleModeToScaleByConstant=()=>e.setScaleMode(Kb.SCALE_BY_CONSTANT),e.getScaleArrayData=()=>{const n=e.getInputData(0);return n&&n.getPointData()?t.scaleArray?n.getPointData().getArray(t.scaleArray):n.getPointData().getScalars():null},e.computeBounds=()=>e.buildArrays(),e.buildArrays=()=>{const n=e.getInputData(0),r=e.getInputData(1);if(n&&r){if(t.buildTime.getMTime()<r.getMTime()||t.buildTime.getMTime()<n.getMTime()||t.buildTime.getMTime()<e.getMTime()){const o=n.getPoints().getData();let a=e.getScaleArrayData(),i=null,l=0;a&&(i=a.getData(),l=a.getNumberOfComponents()),t.scaling&&a&&t.scaleMode===Kb.SCALE_BY_COMPONENTS&&3!==a.getNumberOfComponents()&&(zb("Cannot scale by components since scale array does not have 3 components."),a=null);const c=r.getBounds(),p=[];ji.getCorners(c,p),ji.reset(t.bounds);const f=new Float64Array(3),g=e.getOrientationArrayData(),m=x(new Float64Array(16)),h=[],v=[],T=o.length/3;t.matrixArray=new Float32Array(16*T);const b=t.matrixArray.buffer;t.normalArray=new Float32Array(9*T);const A=t.normalArray.buffer,R=[],M=[];for(let e=0;e<T;++e){const n=new Float32Array(b,64*e,16);if(h[0]=o[3*e],h[1]=o[3*e+1],h[2]=o[3*e+2],C(n,m,h),g)switch(g.getTuple(e,M),t.orientationMode){case _b.MATRIX:y(n,n,[...M.slice(0,3),0,...M.slice(3,6),0,...M.slice(6,9),0,0,0,0,1]);break;case _b.ROTATION:O(n,n,M[2]),w(n,n,M[0]),I(n,n,M[1]);break;case _b.DIRECTION:if(0===M[1]&&0===M[2])M[0]<0&&I(n,n,3.1415926);else{const 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t=e.getInputData(1),n=e.getInputData().getPoints().getNumberOfValues()/3;return{points:n*t.getPoints().getNumberOfValues()/3,verts:n*(t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells()),lines:n*(t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells()),triangles:n*(t.getPolys().getNumberOfValues()-3*t.getLines().getNumberOfCells())}},e.setSourceConnection=t=>e.setInputConnection(t,1)}(e,t)}var jb={newInstance:ln.newInstance(Hb,"vtkGlyph3DMapper"),extend:Hb,...Ub};const{vtkErrorMacro:Xb}=ln;const qb={range:[0,0],clamping:!0,allowDuplicateScalars:!1};function Yb(e,t,n={}){Object.assign(t,qb,n),ln.obj(e,t),t.nodes=[],ln.setGet(e,t,["allowDuplicateScalars","clamping"]),ln.setArray(e,t,["range"],2),ln.getArray(e,t,["range"]),function(e,t){t.classHierarchy.push("vtkPiecewiseFunction"),e.getSize=()=>t.nodes.length,e.getType=()=>{let e,n=0,r=0;t.nodes.length>0&&(n=t.nodes[0].y);for(let o=1;o<t.nodes.length;o++){if(e=t.nodes[o].y,e!==n)if(e>n)switch(r){case 0:case 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t.nodes[n].x=r[0],t.nodes[n].y=r[1],t.nodes[n].midpoint=r[2],t.nodes[n].sharpness=r[3],a!==r[0]?e.sortAndUpdateRange():e.modified(),1},e.addPoint=(t,n)=>e.addPointLong(t,n,.5,0),e.addPointLong=(n,r,o,a)=>{if(o<0||o>1)return Xb("Midpoint outside range [0.0, 1.0]"),-1;if(a<0||a>1)return Xb("Sharpness outside range [0.0, 1.0]"),-1;t.allowDuplicateScalars||e.removePoint(n);const i={x:n,y:r,midpoint:o,sharpness:a};let s;for(t.nodes.push(i),e.sortAndUpdateRange(),s=0;s<t.nodes.length&&t.nodes[s].x!==n;s++);return s<t.nodes.length?s:-1},e.setNodes=n=>{t.nodes!==n&&(t.nodes=n,e.sortAndUpdateRange())},e.sortAndUpdateRange=()=>{t.nodes.sort(((e,t)=>e.x-t.x)),e.updateRange()||e.modified()},e.updateRange=()=>{const n=t.range.slice(),r=t.nodes.length;return r?(t.range[0]=t.nodes[0].x,t.range[1]=t.nodes[r-1].x):(t.range[0]=0,t.range[1]=0),(n[0]!==t.range[0]||n[1]!==t.range[1])&&(e.modified(),!0)},e.removePoint=n=>{let r;for(r=0;r<t.nodes.length&&t.nodes[r].x!==n;r++);if(r>=t.nodes.length)return-1;const o=r;let a=!1;return t.nodes.splice(r,1),0!==r&&r!==t.nodes.length||(a=e.updateRange()),a||e.modified(),o},e.removeAllPoints=()=>{t.nodes=[],e.sortAndUpdateRange()},e.addSegment=(n,r,o,a)=>{e.sortAndUpdateRange();for(let e=0;e<t.nodes.length;)t.nodes[e].x>=n&&t.nodes[e].x<=o?t.nodes.splice(e,1):e++;e.addPoint(n,r,.5,0),e.addPoint(o,a,.5,0)},e.getValue=t=>{const n=[];return e.getTable(t,t,1,n),n[0]},e.adjustRange=n=>{if(n.length<2)return 0;const r=e.getRange();r[0]<n[0]?e.addPoint(n[0],e.getValue(n[0])):e.addPoint(n[0],e.getValue(r[0])),r[1]>n[1]?e.addPoint(n[1],e.getValue(n[1])):e.addPoint(n[1],e.getValue(r[1])),e.sortAndUpdateRange();for(let e=0;e<t.nodes.length;)t.nodes[e].x>=n[0]&&t.nodes[e].x<=n[1]?t.nodes.splice(e,1):++e;return e.sortAndUpdateRange(),1},e.estimateMinNumberOfSamples=(t,n)=>{const r=e.findMinimumXDistance();return Math.ceil((n-t)/r)},e.findMinimumXDistance=()=>{const e=t.nodes.length;if(e<2)return-1;let n=t.nodes[1].x-t.nodes[0].x;for(let r=0;r<e-1;r++){const e=t.nodes[r+1].x-t.nodes[r].x;e<n&&(n=e)}return n},e.getTable=(e,n,r,o,a=1)=>{let i,s=0;const l=t.nodes.length;let c=0;0!==l&&(c=t.nodes[l-1].y);let u=0,d=0,p=0,f=0,g=0,m=0,h=0;for(i=0;i<r;i++){const v=a*i;for(u=r>1?e+i/(r-1)*(n-e):.5*(e+n);s<l&&u>t.nodes[s].x;)s++,s<l&&(d=t.nodes[s-1].x,p=t.nodes[s].x,f=t.nodes[s-1].y,g=t.nodes[s].y,m=t.nodes[s-1].midpoint,h=t.nodes[s-1].sharpness,m<1e-5&&(m=1e-5),m>.99999&&(m=.99999));if(s>=l)o[v]=t.clamping?c:0;else if(0===s)o[v]=t.clamping?t.nodes[0].y:0;else{let e=(u-d)/(p-d);if(e=e<m?.5*e/m:.5+.5*(e-m)/(1-m),h>.99){if(e<.5){o[v]=f;continue}o[v]=g;continue}if(h<.01){o[v]=(1-e)*f+e*g;continue}e<.5?e=.5*(2*e)**(1+10*h):e>.5&&(e=1-.5*(2*(1-e))**(1+10*h));const t=e*e,n=t*e,r=2*n-3*t+1,a=-2*n+3*t,i=n-2*t+e,s=n-t,l=(1-h)*(g-f);o[v]=r*f+a*g+i*l+s*l;const c=f<g?f:g,T=f>g?f:g;o[v]=o[v]<c?c:o[v],o[v]=o[v]>T?T:o[v]}}}}(e,t)}var Jb={newInstance:ln.newInstance(Yb,"vtkPiecewiseFunction"),extend:Yb};const{InterpolationType:Zb,OpacityMode:Qb,FilterMode:$b,ColorMixPreset:eA}=pg,{vtkErrorMacro:tA}=ln;function nA(e,t,n={}){if(Object.assign(t,(e=>({colorMixPreset:eA.DEFAULT,independentComponents:!0,interpolationType:Zb.FAST_LINEAR,shade:!1,ambient:.1,diffuse:.7,specular:.2,specularPower:10,useLabelOutline:!1,labelOutlineThickness:[1],labelOutlineOpacity:1,ipScalarRange:[-1e6,1e6],filterMode:$b.OFF,preferSizeOverAccuracy:!1,computeNormalFromOpacity:!1,volumetricScatteringBlending:0,globalIlluminationReach:0,anisotropy:0,localAmbientOcclusion:!1,LAOKernelSize:15,LAOKernelRadius:7,updatedExtents:[],...e}))(n)),ln.obj(e,t),!t.componentData){t.componentData=[];for(let e=0;e<4;++e)t.componentData.push({colorChannels:1,grayTransferFunction:null,rGBTransferFunction:null,scalarOpacity:null,scalarOpacityUnitDistance:1,opacityMode:Qb.FRACTIONAL,gradientOpacityMinimumValue:0,gradientOpacityMinimumOpacity:0,gradientOpacityMaximumValue:1,gradientOpacityMaximumOpacity:1,useGradientOpacity:!1,componentWeight:1,forceNearestInterpolation:!1})}ln.setGet(e,t,["colorMixPreset","independentComponents","interpolationType","shade","ambient","diffuse","specular","specularPower","useLabelOutline","labelOutlineOpacity","filterMode","preferSizeOverAccuracy","computeNormalFromOpacity","volumetricScatteringBlending","globalIlluminationReach","anisotropy","localAmbientOcclusion","LAOKernelSize","LAOKernelRadius","updatedExtents"]),ln.setGetArray(e,t,["ipScalarRange"],2),ln.setGetArray(e,t,["labelOutlineThickness"]),function(e,t){t.classHierarchy.push("vtkVolumeProperty");const n={...e};e.getMTime=()=>{let e,n=t.mtime;for(let r=0;r<4;r++)1===t.componentData[r].colorChannels?t.componentData[r].grayTransferFunction&&(e=t.componentData[r].grayTransferFunction.getMTime(),n=n>e?n:e):3===t.componentData[r].colorChannels&&t.componentData[r].rGBTransferFunction&&(e=t.componentData[r].rGBTransferFunction.getMTime(),n=n>e?n:e),t.componentData[r].scalarOpacity&&(e=t.componentData[r].scalarOpacity.getMTime(),n=n>e?n:e),t.componentData[r].gradientOpacity&&(t.componentData[r].disableGradientOpacity||(e=t.componentData[r].gradientOpacity.getMTime(),n=n>e?n:e));return n},e.getColorChannels=e=>e<0||e>3?(tA("Bad index - must be between 0 and 3"),0):t.componentData[e].colorChannels,e.setGrayTransferFunction=(n=0,r=null)=>{let o=!1;return t.componentData[n].grayTransferFunction!==r&&(t.componentData[n].grayTransferFunction=r,o=!0),1!==t.componentData[n].colorChannels&&(t.componentData[n].colorChannels=1,o=!0),o&&e.modified(),o},e.getGrayTransferFunction=(n=0)=>(null===t.componentData[n].grayTransferFunction&&(t.componentData[n].grayTransferFunction=Jb.newInstance(),t.componentData[n].grayTransferFunction.addPoint(0,0),t.componentData[n].grayTransferFunction.addPoint(1024,1),1!==t.componentData[n].colorChannels&&(t.componentData[n].colorChannels=1),e.modified()),t.componentData[n].grayTransferFunction),e.setRGBTransferFunction=(n=0,r=null)=>{let o=!1;return t.componentData[n].rGBTransferFunction!==r&&(t.componentData[n].rGBTransferFunction=r,o=!0),3!==t.componentData[n].colorChannels&&(t.componentData[n].colorChannels=3,o=!0),o&&e.modified(),o},e.getRGBTransferFunction=(n=0)=>(null===t.componentData[n].rGBTransferFunction&&(t.componentData[n].rGBTransferFunction=Gb.newInstance(),t.componentData[n].rGBTransferFunction.addRGBPoint(0,0,0,0),t.componentData[n].rGBTransferFunction.addRGBPoint(1024,1,1,1),3!==t.componentData[n].colorChannels&&(t.componentData[n].colorChannels=3),e.modified()),t.componentData[n].rGBTransferFunction),e.setScalarOpacity=(n=0,r=null)=>t.componentData[n].scalarOpacity!==r&&(t.componentData[n].scalarOpacity=r,e.modified(),!0),e.getScalarOpacity=(n=0)=>(null===t.componentData[n].scalarOpacity&&(t.componentData[n].scalarOpacity=Jb.newInstance(),t.componentData[n].scalarOpacity.addPoint(0,1),t.componentData[n].scalarOpacity.addPoint(1024,1),e.modified()),t.componentData[n].scalarOpacity),e.setComponentWeight=(n=0,r=1)=>{if(n<0||n>=4)return tA("Invalid index"),!1;const o=Math.min(1,Math.max(0,r));return t.componentData[n].componentWeight!==o&&(t.componentData[n].componentWeight=o,e.modified(),!0)},e.getComponentWeight=(e=0)=>e<0||e>=4?(tA("Invalid index"),0):t.componentData[e].componentWeight,e.setInterpolationTypeToNearest=()=>e.setInterpolationType(Zb.NEAREST),e.setInterpolationTypeToLinear=()=>e.setInterpolationType(Zb.LINEAR),e.setInterpolationTypeToFastLinear=()=>e.setInterpolationType(Zb.FAST_LINEAR),e.getInterpolationTypeAsString=()=>ln.enumToString(Zb,t.interpolationType),["useGradientOpacity","scalarOpacityUnitDistance","gradientOpacityMinimumValue","gradientOpacityMinimumOpacity","gradientOpacityMaximumValue","gradientOpacityMaximumOpacity","opacityMode","forceNearestInterpolation"].forEach((n=>{const r=ln.capitalize(n);e[`set${r}`]=(r,o)=>t.componentData[r][`${n}`]!==o&&(t.componentData[r][`${n}`]=o,e.modified(),!0)})),["useGradientOpacity","scalarOpacityUnitDistance","gradientOpacityMinimumValue","gradientOpacityMinimumOpacity","gradientOpacityMaximumValue","gradientOpacityMaximumOpacity","opacityMode","forceNearestInterpolation"].forEach((n=>{const r=ln.capitalize(n);e[`get${r}`]=e=>t.componentData[e][`${n}`]})),e.setAverageIPScalarRange=(t,n)=>{console.warn("setAverageIPScalarRange is deprecated use 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It is a rendering property that has been moved to the volume property. 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e=0;e<t.resolution;e++){m[0]=t.radius*Math.cos(e*r+t.initAngle),h[0]=m[0],v[0]=m[0],T[0]=m[0],m[0]+=t.center[0],h[0]+=t.center[0],f[1]=1,g[1]=-1,m[1]=.5*t.height+t.center[1],h[1]=-.5*t.height+t.center[1],m[2]=-x*Math.sin(e*r+t.initAngle),h[2]=m[2],v[1]=m[2],T[1]=m[2],m[2]+=t.center[2],h[2]+=t.center[2];const n=2*t.resolution+e,o=3*t.resolution+t.resolution-e-1;for(let e=0;e<3;e++)c[3*n+e]=f[e],c[3*o+e]=g[e],i[3*n+e]=m[e],i[3*o+e]=h[e],e<2&&(d[2*n+e]=v[e],d[2*o+e]=T[e])}l[s++]=t.resolution;for(let e=0;e<t.resolution;e++)l[s++]=2*t.resolution+e;l[s++]=t.resolution;for(let e=0;e<t.resolution;e++)l[s++]=3*t.resolution+e}Pf.buildFromRadian().translate(...t.center).rotateFromDirections([0,1,0],t.direction).translate(...t.center.map((e=>-1*e))).apply(i);const b=n[0]?.initialize()||wu.newInstance();b.getPoints().setData(i,3),b.getPolys().setData(l,1),b.getPointData().setNormals(u),b.getPointData().setTCoords(p),n[0]=b}}(e,t)}var 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