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90 lines
3.0 KiB
C
90 lines
3.0 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkRectilinearGridClip.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 vtkRectilinearGridClip
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* @brief Reduces the image extent of the input.
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*
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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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*/
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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 "vtkFiltersGeneralModule.h" // For export macro
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#include "vtkRectilinearGridAlgorithm.h"
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class VTKFILTERSGENERAL_EXPORT vtkRectilinearGridClip : public vtkRectilinearGridAlgorithm
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{
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public:
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static vtkRectilinearGridClip* New();
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vtkTypeMacro(vtkRectilinearGridClip, vtkRectilinearGridAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* The whole extent of the output has to be set explicitly.
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*/
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void SetOutputWholeExtent(int extent[6], vtkInformation* outInfo = nullptr);
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void SetOutputWholeExtent(int minX, int maxX, int minY, int maxY, 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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//@}
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void ResetOutputWholeExtent();
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//@{
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/**
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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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*/
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vtkSetMacro(ClipData, vtkTypeBool);
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vtkGetMacro(ClipData, vtkTypeBool);
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vtkBooleanMacro(ClipData, vtkTypeBool);
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//@}
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protected:
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vtkRectilinearGridClip();
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~vtkRectilinearGridClip() override {}
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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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vtkTypeBool ClipData;
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int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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void CopyData(vtkRectilinearGrid* inData, vtkRectilinearGrid* outData, int* ext);
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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private:
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vtkRectilinearGridClip(const vtkRectilinearGridClip&) = delete;
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void operator=(const vtkRectilinearGridClip&) = delete;
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};
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#endif
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