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