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85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkImageSpatialAlgorithm.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkImageSpatialAlgorithm
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* @brief Filters that operate on pixel neighborhoods.
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*
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* vtkImageSpatialAlgorithm is a super class for filters that operate on an
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* input neighborhood for each output pixel. It handles even sized
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* neighborhoods, but their can be a half pixel shift associated with
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* processing. This superclass has some logic for handling boundaries. It
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* can split regions into boundary and non-boundary pieces and call different
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* execute methods.
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*/
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#ifndef vtkImageSpatialAlgorithm_h
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#define vtkImageSpatialAlgorithm_h
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#include "vtkImagingGeneralModule.h" // For export macro
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#include "vtkThreadedImageAlgorithm.h"
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class VTKIMAGINGGENERAL_EXPORT vtkImageSpatialAlgorithm : public vtkThreadedImageAlgorithm
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{
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public:
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static vtkImageSpatialAlgorithm *New();
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vtkTypeMacro(vtkImageSpatialAlgorithm,vtkThreadedImageAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent);
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//@{
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/**
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* Get the Kernel size.
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*/
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vtkGetVector3Macro(KernelSize,int);
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//@}
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//@{
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/**
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* Get the Kernel middle.
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*/
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vtkGetVector3Macro(KernelMiddle,int);
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//@}
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protected:
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vtkImageSpatialAlgorithm();
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~vtkImageSpatialAlgorithm() {}
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int KernelSize[3];
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int KernelMiddle[3]; // Index of kernel origin
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int HandleBoundaries; // Output shrinks if boundaries aren't handled
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virtual int RequestInformation (vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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void ComputeOutputWholeExtent(int extent[6], int handleBoundaries);
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virtual int RequestUpdateExtent(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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void InternalRequestUpdateExtent(int *extent, int *inExtent, int *wholeExtent);
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private:
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vtkImageSpatialAlgorithm(const vtkImageSpatialAlgorithm&) VTK_DELETE_FUNCTION;
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void operator=(const vtkImageSpatialAlgorithm&) VTK_DELETE_FUNCTION;
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};
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#endif
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