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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkMultiBlockMergeFilter
* @brief merges multiblock inputs into a single multiblock output
*
* vtkMultiBlockMergeFilter is an M to 1 filter similar to
* vtkMultiBlockDataGroupFilter. However where as that class creates N groups
* in the output for N inputs, this creates 1 group in the output with N
* datasets inside it. In actuality if the inputs have M blocks, this will
* produce M blocks, each of which has N datasets. Inside the merged group,
* the i'th data set comes from the i'th data set in the i'th input.
*/
#ifndef vtkMultiBlockMergeFilter_h
#define vtkMultiBlockMergeFilter_h
#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkMultiBlockDataSetAlgorithm.h"
VTK_ABI_NAMESPACE_BEGIN
class VTKFILTERSGENERAL_EXPORT vtkMultiBlockMergeFilter : public vtkMultiBlockDataSetAlgorithm
{
public:
vtkTypeMacro(vtkMultiBlockMergeFilter, vtkMultiBlockDataSetAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* Construct object with PointIds and CellIds on; and ids being generated
* as scalars.
*/
static vtkMultiBlockMergeFilter* New();
///@{
/**
* Assign a data object as input. Note that this method does not
* establish a pipeline connection. Use AddInputConnection() to
* setup a pipeline connection.
*/
void AddInputData(vtkDataObject*);
void AddInputData(int, vtkDataObject*);
///@}
protected:
vtkMultiBlockMergeFilter();
~vtkMultiBlockMergeFilter() override;
int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
int FillInputPortInformation(int port, vtkInformation* info) override;
int IsMultiPiece(vtkMultiBlockDataSet*);
int Merge(unsigned int numPieces, unsigned int pieceNo, vtkMultiBlockDataSet* output,
vtkMultiBlockDataSet* input);
private:
vtkMultiBlockMergeFilter(const vtkMultiBlockMergeFilter&) = delete;
void operator=(const vtkMultiBlockMergeFilter&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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