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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkExtractPiece
*
* vtkExtractPiece returns the appropriate piece of each
* sub-dataset in the vtkCompositeDataSet.
* This filter can handle sub-datasets of type vtkImageData, vtkPolyData,
* vtkRectilinearGrid, vtkStructuredGrid, and vtkUnstructuredGrid; it does
* not handle sub-grids of type vtkCompositeDataSet.
*/
#ifndef vtkExtractPiece_h
#define vtkExtractPiece_h
#include "vtkCompositeDataSetAlgorithm.h"
#include "vtkFiltersParallelImagingModule.h" // For export macro
VTK_ABI_NAMESPACE_BEGIN
class vtkImageData;
class vtkPolyData;
class vtkRectilinearGrid;
class vtkStructuredGrid;
class vtkUnstructuredGrid;
class vtkCompositeDataIterator;
class VTKFILTERSPARALLELIMAGING_EXPORT vtkExtractPiece : public vtkCompositeDataSetAlgorithm
{
public:
static vtkExtractPiece* New();
vtkTypeMacro(vtkExtractPiece, vtkCompositeDataSetAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
protected:
vtkExtractPiece() = default;
~vtkExtractPiece() override = default;
int RequestDataObject(vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector) override;
int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
void ExtractImageData(vtkImageData* imageData, vtkCompositeDataSet* output, int piece,
int numberOfPieces, int ghostLevel, vtkCompositeDataIterator* iter);
void ExtractPolyData(vtkPolyData* polyData, vtkCompositeDataSet* output, int piece,
int numberOfPieces, int ghostLevel, vtkCompositeDataIterator* iter);
void ExtractRectilinearGrid(vtkRectilinearGrid* rGrid, vtkCompositeDataSet* output, int piece,
int numberOfPieces, int ghostLevel, vtkCompositeDataIterator* iter);
void ExtractStructuredGrid(vtkStructuredGrid* sGrid, vtkCompositeDataSet* output, int piece,
int numberOfPieces, int ghostLevel, vtkCompositeDataIterator* iter);
void ExtractUnstructuredGrid(vtkUnstructuredGrid* uGrid, vtkCompositeDataSet* output, int piece,
int numberOfPieces, int ghostLevel, vtkCompositeDataIterator* iter);
private:
vtkExtractPiece(const vtkExtractPiece&) = delete;
void operator=(const vtkExtractPiece&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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