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vtkImageShrink3D.h
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vtkImageShrink3D.h
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkImageShrink3D.h
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.
=========================================================================*/
// .NAME vtkImageShrink3D - Subsamples an image.
// .SECTION Description
// vtkImageShrink3D shrinks an image by sub sampling on a
// uniform grid (integer multiples).
#ifndef vtkImageShrink3D_h
#define vtkImageShrink3D_h
#include "vtkImagingCoreModule.h" // For export macro
#include "vtkThreadedImageAlgorithm.h"
class VTKIMAGINGCORE_EXPORT vtkImageShrink3D : public vtkThreadedImageAlgorithm
{
public:
static vtkImageShrink3D *New();
vtkTypeMacro(vtkImageShrink3D,vtkThreadedImageAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Set/Get the shrink factors
vtkSetVector3Macro(ShrinkFactors,int);
vtkGetVector3Macro(ShrinkFactors,int);
// Description:
// Set/Get the pixel to use as origin.
vtkSetVector3Macro(Shift,int);
vtkGetVector3Macro(Shift,int);
// Description:
// Choose Mean, Minimum, Maximum, Median or sub sampling.
// The neighborhood operations are not centered on the sampled pixel.
// This may cause a half pixel shift in your output image.
// You can changed "Shift" to get around this.
// vtkImageGaussianSmooth or vtkImageMean with strides.
void SetAveraging(int);
int GetAveraging() {return this->GetMean();};
vtkBooleanMacro(Averaging,int);
void SetMean(int);
vtkGetMacro(Mean,int);
vtkBooleanMacro(Mean,int);
void SetMinimum(int);
vtkGetMacro(Minimum,int);
vtkBooleanMacro(Minimum,int);
void SetMaximum(int);
vtkGetMacro(Maximum,int);
vtkBooleanMacro(Maximum,int);
void SetMedian(int);
vtkGetMacro(Median,int);
vtkBooleanMacro(Median,int);
protected:
vtkImageShrink3D();
~vtkImageShrink3D() {}
int ShrinkFactors[3];
int Shift[3];
int Mean;
int Minimum;
int Maximum;
int Median;
virtual int RequestInformation (vtkInformation *, vtkInformationVector **, vtkInformationVector *);
virtual int RequestUpdateExtent (vtkInformation *, vtkInformationVector **, vtkInformationVector *);
void ThreadedRequestData(vtkInformation *request,
vtkInformationVector **inputVector,
vtkInformationVector *outputVector,
vtkImageData ***inData, vtkImageData **outData,
int ext[6], int id);
void InternalRequestUpdateExtent(int *inExt, int *outExt);
private:
vtkImageShrink3D(const vtkImageShrink3D&); // Not implemented.
void operator=(const vtkImageShrink3D&); // Not implemented.
};
#endif