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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkExtractPolyDataPiece
* @brief Return specified piece, including specified
* number of ghost levels.
*/
#ifndef vtkExtractPolyDataPiece_h
#define vtkExtractPolyDataPiece_h
#include "vtkFiltersParallelModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
VTK_ABI_NAMESPACE_BEGIN
class vtkIdList;
class vtkIntArray;
class VTKFILTERSPARALLEL_EXPORT vtkExtractPolyDataPiece : public vtkPolyDataAlgorithm
{
public:
static vtkExtractPolyDataPiece* New();
vtkTypeMacro(vtkExtractPolyDataPiece, vtkPolyDataAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
///@{
/**
* Turn on/off creating ghost cells (on by default).
*/
vtkSetMacro(CreateGhostCells, vtkTypeBool);
vtkGetMacro(CreateGhostCells, vtkTypeBool);
vtkBooleanMacro(CreateGhostCells, vtkTypeBool);
///@}
protected:
vtkExtractPolyDataPiece();
~vtkExtractPolyDataPiece() override = default;
// Usual data generation method
int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
// A method for labeling which piece the cells belong to.
void ComputeCellTags(
vtkIntArray* cellTags, vtkIdList* pointOwnership, int piece, int numPieces, vtkPolyData* input);
void AddGhostLevel(vtkPolyData* input, vtkIntArray* cellTags, int ghostLevel);
vtkTypeBool CreateGhostCells;
private:
vtkExtractPolyDataPiece(const vtkExtractPolyDataPiece&) = delete;
void operator=(const vtkExtractPolyDataPiece&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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