matdiff.iscr

program MatDiff;

(*************************************************************************
  #AUTHOR  Hans Lohninger, Epina GmbH
  #VERSION 1.0
  #PUBLISH private
  #CAPTION numerical differentiation of spectra
  #MINILABVERSION 1.82
  #INSTALLBTN 2 matdiff.bmp finite difference of layers
 *************************************************************************)

(*******************************************************************************

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    distribute this software, either in source code form or as a compiled
    binary, for any purpose, commercial or non-commercial, and by any
    means.

    In jurisdictions that recognize copyright laws, the author or authors
    of this software dedicate any and all copyright interest in the
    software to the public domain. We make this dedication for the benefit
    of the public at large and to the detriment of our heirs and
    successors. We intend this dedication to be an overt act of
    relinquishment in perpetuity of all present and future rights to this
    software under copyright law.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
    IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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*******************************************************************************)

var
  sx, sy, sl    : integer;
  i,j,k         : integer;
  DlgResults     : TVariantArray;
  mat1, mat2    : TDouble2DArray;
  FirstLayer    : integer;
  LastLayer     : integer;

begin
FuncMon(false);
sx := GetCubeSize(dimX);
sy := GetCubeSize(dimY);
sl := GetCubeSize(dimL);
ResizeMatrix (mat1, sx, sy);
ResizeMatrix (mat2, sx, sy);
CreateDialog (150,                                             // AlignAt,
              20,                                              // TopPos
              'Please specify the first and the last layer',   // DialogCaption
              [gcNumIO, gcNumIO],                              // Components
              ['first layer', 'last layer']);                  // Captions
ConfigDlgComponent (1,'prec=0;val=1;low=1;high='+IntToStr(sl));
ConfigDlgComponent (2,'prec=0;val='+IntToStr(sl)+';low=1;high='+IntToStr(sl));
DlgResults := ShowDialog;
if DlgResults[0] = 0 then
  begin
  FirstLayer := DlgResults[1];
  LastLayer := DlgResults[2];
  if (FirstLayer < 1) or (FirstLayer > sl) or
     (LastLayer < 1) or (LastLayer > sl)
    then MessageDlg('The specified range of layers is invalid, the dataset is not changed.', mtError, [mbOK])
    else begin
         for k:=FirstLayer to LastLayer-1 do
           begin
           ShowStatus ('', 100.0*k/sl);
           CombineLayers(1,k+1,k,k,1.0,1.0,2);
           end;
         end;
  end;
FuncMon(true);
end.


end.