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vtkImageClip.h
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vtkImageClip.h
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkImageClip.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 vtkImageClip - Reduces the image extent of the input.
// .SECTION Description
// vtkImageClip will make an image smaller. The output must have
// an image extent which is the subset of the input. The filter has two
// modes of operation:
// 1: By default, the data is not copied in this filter.
// Only the whole extent is modified.
// 2: If ClipDataOn is set, then you will get no more that the clipped
// extent.
#ifndef __vtkImageClip_h
#define __vtkImageClip_h
// I did not make this a subclass of in place filter because
// the references on the data do not matter. I make no modifications
// to the data.
#include "vtkImageAlgorithm.h"
class VTK_IMAGING_EXPORT vtkImageClip : public vtkImageAlgorithm
{
public:
static vtkImageClip *New();
vtkTypeMacro(vtkImageClip,vtkImageAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// The whole extent of the output has to be set explicitly.
void SetOutputWholeExtent(int extent[6], vtkInformation *outInfo=0);
void SetOutputWholeExtent(int minX, int maxX, int minY, int maxY,
int minZ, int maxZ);
void GetOutputWholeExtent(int extent[6]);
int *GetOutputWholeExtent() {return this->OutputWholeExtent;}
void ResetOutputWholeExtent();
// Description:
// By default, ClipData is off, and only the WholeExtent is modified.
// the data's extent may actually be larger. When this flag is on,
// the data extent will be no more than the OutputWholeExtent.
vtkSetMacro(ClipData, int);
vtkGetMacro(ClipData, int);
vtkBooleanMacro(ClipData, int);
// Description:
// Hack set output by piece
void SetOutputWholeExtent(int piece, int numPieces);
protected:
vtkImageClip();
~vtkImageClip() {};
// Time when OutputImageExtent was computed.
vtkTimeStamp CTime;
int Initialized; // Set the OutputImageExtent for the first time.
int OutputWholeExtent[6];
int ClipData;
virtual int RequestInformation (vtkInformation *,
vtkInformationVector **,
vtkInformationVector *);
void CopyData(vtkImageData *inData, vtkImageData *outData, int *ext);
virtual int RequestData(vtkInformation *,
vtkInformationVector **,
vtkInformationVector *);
private:
vtkImageClip(const vtkImageClip&); // Not implemented.
void operator=(const vtkImageClip&); // Not implemented.
};
#endif