a04-dominik-reisach

lecture_09/assignment_04/dominik_reisach/curved_slicing.py

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+import os
+import numpy as np
+from compas.datastructures import Mesh
+import logging
+import compas_slicer.utilities as utils
+from compas_slicer.slicers import InterpolationSlicer
+from compas_slicer.post_processing import simplify_paths_rdp
+from compas_slicer.pre_processing import InterpolationSlicingPreprocessor
+from compas_slicer.print_organization import set_extruder_toggle, set_linear_velocity_by_range
+from compas_slicer.print_organization import add_safety_printpoints
+from compas_slicer.pre_processing import create_mesh_boundary_attributes
+from compas_slicer.print_organization import InterpolationPrintOrganizer
+from compas_slicer.post_processing import seams_smooth
+from compas_slicer.print_organization import smooth_printpoints_up_vectors, smooth_printpoints_layer_heights
+from compas_slicer.post_processing import generate_brim
+from compas.geometry import Vector, Point, normalize_vector
+from compas_slicer.utilities.attributes_transfer import transfer_mesh_attributes_to_printpoints
+
+from path_adjust import create_overhang_texture
+
+logger = logging.getLogger('logger')
+logging.basicConfig(format='%(levelname)s - %(message)s', level=logging.INFO)
+
+DATA_PATH = os.path.join(os.path.dirname(__file__), 'data')
+OUTPUT_PATH = utils.get_output_directory(DATA_PATH)
+OBJ_INPUT_NAME = os.path.join(DATA_PATH, 'sculpture.obj')
+
+
+def main():
+    # --- Load initial_mesh
+    mesh = Mesh.from_obj(os.path.join(DATA_PATH, OBJ_INPUT_NAME))
+
+    # --- Load targets (boundaries)
+    low_boundary_vs = utils.load_from_json(DATA_PATH, 'boundaryLOW.json')
+    high_boundary_vs = utils.load_from_json(DATA_PATH, 'boundaryHIGH.json')
+    create_mesh_boundary_attributes(mesh, low_boundary_vs, high_boundary_vs)
+
+    avg_layer_height = 10.0
+
+    parameters = {
+        'avg_layer_height': avg_layer_height,  # controls number of curves that will be generated
+        'min_layer_height': 0.3,
+        'max_layer_height': 5.0  # 2.0,
+    }
+
+    # --- Create pre-processor
+    preprocessor = InterpolationSlicingPreprocessor(mesh, parameters, DATA_PATH)
+    preprocessor.create_compound_targets()
+
+    # --- slicing
+    slicer = InterpolationSlicer(mesh, preprocessor, parameters)
+    slicer.slice_model()  # compute_norm_of_gradient contours
+    seams_smooth(slicer, smooth_distance=10)
+
+    simplify_paths_rdp(slicer, threshold=0.4)
+    create_overhang_texture(slicer, overhang_distance=10)
+    slicer.printout_info()
+    utils.save_to_json(slicer.to_data(), OUTPUT_PATH, 'curved_slicer.json')
+
+    # --- Print organizer
+    print_organizer = InterpolationPrintOrganizer(slicer, parameters, DATA_PATH)
+    print_organizer.create_printpoints()
+
+    set_linear_velocity_by_range(print_organizer, param_func=lambda ppt: ppt.layer_height,
+                                 parameter_range=[avg_layer_height*0.5, avg_layer_height*2.0],
+                                 velocity_range=[150, 70], bound_remapping=False)
+    set_extruder_toggle(print_organizer, slicer)
+    add_safety_printpoints(print_organizer, z_hop=10.0)
+    smooth_printpoints_up_vectors(print_organizer, strength=0.5, iterations=10)
+    smooth_printpoints_layer_heights(print_organizer, strength=0.5, iterations=5)
+
+
+    # --- Add attributes to mesh
+    # overhand attribute - Scalar value (per face)
+    # mesh.update_default_face_attributes({'overhang': 0.0})
+    # for f_key, data in mesh.faces(data=True):
+    #     face_normal = mesh.face_normal(f_key, unitized=True)
+    #     data['overhang'] = Vector(0.0, 0.0, 1.0).dot(face_normal)
+
+    # # vertex laplacian - Vector value (per vertex)
+    # mesh.update_default_vertex_attributes({'v_normal': 0.0})
+    # for v_key, data in mesh.vertices(data=True):
+    #     n = mesh.vertex_normal(v_key)
+    #     data['v_normal'] = Vector(*n)
+
+    # --- Transfer mesh attributes to printpoints
+    transfer_mesh_attributes_to_printpoints(mesh, print_organizer.printpoints_dict)
+
+    # --- Save printpoints attributes for visualization
+    # overhangs_list = print_organizer.get_printpoints_attribute(attr_name='overhang')
+    # v_normal_list = print_organizer.get_printpoints_attribute(attr_name='v_normal')
+    # utils.save_to_json(overhangs_list, OUTPUT_PATH, 'overhangs_list.json')
+    # utils.save_to_json(utils.point_list_to_dict(v_normal_list), OUTPUT_PATH, 'v_normal_list.json')
+
+
+    # --- Save printpoints dictionary to json file
+    printpoints_data = print_organizer.output_printpoints_dict()
+    utils.save_to_json(printpoints_data, OUTPUT_PATH, 'out_printpoints.json')
+
+if __name__ == "__main__":
+    main()

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