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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkImageDecomposeFilter.cxx,v $
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.
=========================================================================*/
#include "vtkImageDecomposeFilter.h"
#include <math.h>
vtkCxxRevisionMacro(vtkImageDecomposeFilter, "$Revision: 1.20 $");
//----------------------------------------------------------------------------
// Construct an instance of vtkImageDecomposeFilter fitler.
vtkImageDecomposeFilter::vtkImageDecomposeFilter()
{
this->Dimensionality = 3;
this->SetNumberOfIterations(3);
}
//----------------------------------------------------------------------------
void vtkImageDecomposeFilter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "Dimensionality: " << this->Dimensionality << "\n";
}
//----------------------------------------------------------------------------
void vtkImageDecomposeFilter::SetDimensionality(int dim)
{
if (this->Dimensionality == dim)
{
return;
}
if (dim < 1 || dim > 3)
{
vtkErrorMacro("SetDimensionality: Bad dim: " << dim);
return;
}
this->Dimensionality = dim;
this->SetNumberOfIterations(dim);
this->Modified();
}
//----------------------------------------------------------------------------
void vtkImageDecomposeFilter::PermuteIncrements(vtkIdType *increments,
vtkIdType &inc0,
vtkIdType &inc1,
vtkIdType &inc2)
{
switch (this->Iteration)
{
case 0:
inc0 = increments[0];
inc1 = increments[1];
inc2 = increments[2];
break;
case 1:
inc1 = increments[0];
inc0 = increments[1];
inc2 = increments[2];
break;
case 2:
inc1 = increments[0];
inc2 = increments[1];
inc0 = increments[2];
break;
}
}
//----------------------------------------------------------------------------
void vtkImageDecomposeFilter::PermuteExtent(int *extent, int &min0, int &max0,
int &min1, int &max1,
int &min2, int &max2)
{
switch (this->Iteration)
{
case 0:
min0 = extent[0]; max0 = extent[1];
min1 = extent[2]; max1 = extent[3];
min2 = extent[4]; max2 = extent[5];
break;
case 1:
min1 = extent[0]; max1 = extent[1];
min0 = extent[2]; max0 = extent[3];
min2 = extent[4]; max2 = extent[5];
break;
case 2:
min1 = extent[0]; max1 = extent[1];
min2 = extent[2]; max2 = extent[3];
min0 = extent[4]; max0 = extent[5];
break;
}
}
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