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126 lines
3.2 KiB
126 lines
3.2 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkImageDecomposeFilter.cxx,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#include "vtkImageDecomposeFilter.h"
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#include <math.h>
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vtkCxxRevisionMacro(vtkImageDecomposeFilter, "$Revision: 1.20 $");
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//----------------------------------------------------------------------------
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// Construct an instance of vtkImageDecomposeFilter fitler.
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vtkImageDecomposeFilter::vtkImageDecomposeFilter()
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{
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this->Dimensionality = 3;
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this->SetNumberOfIterations(3);
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}
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//----------------------------------------------------------------------------
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void vtkImageDecomposeFilter::PrintSelf(ostream& os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os,indent);
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os << indent << "Dimensionality: " << this->Dimensionality << "\n";
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}
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//----------------------------------------------------------------------------
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void vtkImageDecomposeFilter::SetDimensionality(int dim)
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{
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if (this->Dimensionality == dim)
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{
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return;
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}
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if (dim < 1 || dim > 3)
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{
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vtkErrorMacro("SetDimensionality: Bad dim: " << dim);
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return;
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}
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this->Dimensionality = dim;
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this->SetNumberOfIterations(dim);
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this->Modified();
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}
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//----------------------------------------------------------------------------
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void vtkImageDecomposeFilter::PermuteIncrements(vtkIdType *increments,
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vtkIdType &inc0,
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vtkIdType &inc1,
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vtkIdType &inc2)
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{
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switch (this->Iteration)
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{
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case 0:
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inc0 = increments[0];
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inc1 = increments[1];
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inc2 = increments[2];
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break;
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case 1:
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inc1 = increments[0];
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inc0 = increments[1];
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inc2 = increments[2];
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break;
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case 2:
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inc1 = increments[0];
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inc2 = increments[1];
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inc0 = increments[2];
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break;
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}
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}
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//----------------------------------------------------------------------------
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void vtkImageDecomposeFilter::PermuteExtent(int *extent, int &min0, int &max0,
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int &min1, int &max1,
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int &min2, int &max2)
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{
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switch (this->Iteration)
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{
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case 0:
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min0 = extent[0]; max0 = extent[1];
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min1 = extent[2]; max1 = extent[3];
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min2 = extent[4]; max2 = extent[5];
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break;
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case 1:
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min1 = extent[0]; max1 = extent[1];
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min0 = extent[2]; max0 = extent[3];
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min2 = extent[4]; max2 = extent[5];
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break;
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case 2:
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min1 = extent[0]; max1 = extent[1];
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min2 = extent[2]; max2 = extent[3];
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min0 = extent[4]; max0 = extent[5];
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break;
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}
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}
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