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71 lines
2.5 KiB
C
71 lines
2.5 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkExtractUnstructuredGridPiece.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 vtkExtractUnstructuredGridPiece
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* @brief Return specified piece, including specified
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* number of ghost levels.
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*/
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#ifndef vtkExtractUnstructuredGridPiece_h
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#define vtkExtractUnstructuredGridPiece_h
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#include "vtkFiltersParallelModule.h" // For export macro
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#include "vtkUnstructuredGridAlgorithm.h"
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class vtkIdList;
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class vtkIntArray;
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class VTKFILTERSPARALLEL_EXPORT vtkExtractUnstructuredGridPiece : public vtkUnstructuredGridAlgorithm
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{
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public:
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static vtkExtractUnstructuredGridPiece *New();
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vtkTypeMacro(vtkExtractUnstructuredGridPiece, vtkUnstructuredGridAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent);
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//@{
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/**
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* Turn on/off creating ghost cells (on by default).
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*/
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vtkSetMacro(CreateGhostCells, int);
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vtkGetMacro(CreateGhostCells, int);
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vtkBooleanMacro(CreateGhostCells, int);
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//@}
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protected:
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vtkExtractUnstructuredGridPiece();
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~vtkExtractUnstructuredGridPiece() {}
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// Usual data generation method
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virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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virtual int RequestUpdateExtent(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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virtual int RequestInformation(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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// A method for labeling which piece the cells belong to.
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void ComputeCellTags(vtkIntArray *cellTags, vtkIdList *pointOwnership,
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int piece, int numPieces, vtkUnstructuredGrid *input);
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void AddGhostLevel(vtkUnstructuredGrid *input, vtkIntArray *cellTags,int ghostLevel);
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int CreateGhostCells;
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private:
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void AddFirstGhostLevel(vtkUnstructuredGrid *input, vtkIntArray *cellTags,
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int piece, int numPieces);
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vtkExtractUnstructuredGridPiece(const vtkExtractUnstructuredGridPiece&) VTK_DELETE_FUNCTION;
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void operator=(const vtkExtractUnstructuredGridPiece&) VTK_DELETE_FUNCTION;
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};
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#endif
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