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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkImageSpatialFilter.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.
=========================================================================*/
// .NAME vtkImageSpatialFilter - Filters that operate on pixel neighborhoods.
// .SECTION Description
// vtkImageSpatialFilter 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.
// .SECTION Warning
// This used to be the parent class for most imaging filter in VTK4.x, now
// this role has been replaced by vtkImageSpatialAlgorithm. You should consider
// using vtkImageSpatialAlgorithm instead, when writing filter for VTK5 and above.
// This class was kept to ensure full backward compatibility.
// .SECTION See also
// vtkSimpleImageToImageFilter vtkImageToImageFilter vtkImageSpatialAlgorithm
#ifndef __vtkImageSpatialFilter_h
#define __vtkImageSpatialFilter_h
#include "vtkImageToImageFilter.h"
class VTK_IMAGING_EXPORT vtkImageSpatialFilter : public vtkImageToImageFilter
{
public:
static vtkImageSpatialFilter *New();
vtkTypeRevisionMacro(vtkImageSpatialFilter,vtkImageToImageFilter);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Get the Kernel size.
vtkGetVector3Macro(KernelSize,int);
// Description:
// Get the Kernel middle.
vtkGetVector3Macro(KernelMiddle,int);
protected:
vtkImageSpatialFilter();
~vtkImageSpatialFilter() {};
int KernelSize[3];
int KernelMiddle[3]; // Index of kernel origin
int HandleBoundaries; // Output shrinks if boundaries aren't handled
// Called by the superclass
void ExecuteInformation();
// Override this method if you have to.
virtual void ExecuteInformation(vtkImageData *inData, vtkImageData *outData);
void ComputeOutputWholeExtent(int extent[6], int handleBoundaries);
void ComputeInputUpdateExtent(int extent[6], int wholeExtent[6]);
private:
vtkImageSpatialFilter(const vtkImageSpatialFilter&); // Not implemented.
void operator=(const vtkImageSpatialFilter&); // Not implemented.
};
#endif
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