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vtkImageSpatialAlgorithm.h
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vtkImageSpatialAlgorithm.h
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkImageSpatialAlgorithm.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.
=========================================================================*/
/**
* @class vtkImageSpatialAlgorithm
* @brief Filters that operate on pixel neighborhoods.
*
* vtkImageSpatialAlgorithm is a super class for filters that operate on an
* input neighborhood for each output pixel. It handles even sized
* neighborhoods, but their can be a half pixel shift associated with
* processing. This superclass has some logic for handling boundaries. It
* can split regions into boundary and non-boundary pieces and call different
* execute methods.
*/
#ifndef vtkImageSpatialAlgorithm_h
#define vtkImageSpatialAlgorithm_h
#include "vtkImagingGeneralModule.h" // For export macro
#include "vtkThreadedImageAlgorithm.h"
class VTKIMAGINGGENERAL_EXPORT vtkImageSpatialAlgorithm : public vtkThreadedImageAlgorithm
{
public:
static vtkImageSpatialAlgorithm *New();
vtkTypeMacro(vtkImageSpatialAlgorithm,vtkThreadedImageAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
//@{
/**
* Get the Kernel size.
*/
vtkGetVector3Macro(KernelSize,int);
//@}
//@{
/**
* Get the Kernel middle.
*/
vtkGetVector3Macro(KernelMiddle,int);
//@}
protected:
vtkImageSpatialAlgorithm();
~vtkImageSpatialAlgorithm() override {}
int KernelSize[3];
int KernelMiddle[3]; // Index of kernel origin
int HandleBoundaries; // Output shrinks if boundaries aren't handled
int RequestInformation (vtkInformation *, vtkInformationVector **, vtkInformationVector *) override;
void ComputeOutputWholeExtent(int extent[6], int handleBoundaries);
int RequestUpdateExtent(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override;
void InternalRequestUpdateExtent(int *extent, int *inExtent, int *wholeExtent);
private:
vtkImageSpatialAlgorithm(const vtkImageSpatialAlgorithm&) = delete;
void operator=(const vtkImageSpatialAlgorithm&) = delete;
};
#endif