vtkImageShrink3D.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkImageShrink3D.h,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.

=========================================================================*/
#ifndef __vtkImageShrink3D_h
#define __vtkImageShrink3D_h


#include "vtkThreadedImageAlgorithm.h"

class VTK_IMAGING_EXPORT vtkImageShrink3D : public vtkThreadedImageAlgorithm
{
public:
  static vtkImageShrink3D *New();
  vtkTypeRevisionMacro(vtkImageShrink3D,vtkThreadedImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);
  

  vtkSetVector3Macro(ShrinkFactors,int);
  vtkGetVector3Macro(ShrinkFactors,int);


  vtkSetVector3Macro(Shift,int);
  vtkGetVector3Macro(Shift,int);


  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

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