73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
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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
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: 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) override;
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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, vtkTypeBool);
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vtkGetMacro(CreateGhostCells, vtkTypeBool);
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vtkBooleanMacro(CreateGhostCells, vtkTypeBool);
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///@}
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protected:
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vtkExtractUnstructuredGridPiece();
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~vtkExtractUnstructuredGridPiece() override = default;
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// Usual data generation method
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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// A method for labeling which piece the cells belong to.
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void ComputeCellTags(vtkIntArray* cellTags, vtkIdList* pointOwnership, int piece, int numPieces,
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vtkUnstructuredGrid* input);
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void AddGhostLevel(vtkUnstructuredGrid* input, vtkIntArray* cellTags, int ghostLevel);
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vtkTypeBool CreateGhostCells;
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private:
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void AddFirstGhostLevel(
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vtkUnstructuredGrid* input, vtkIntArray* cellTags, int piece, int numPieces);
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vtkExtractUnstructuredGridPiece(const vtkExtractUnstructuredGridPiece&) = delete;
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void operator=(const vtkExtractUnstructuredGridPiece&) = delete;
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};
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#endif
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