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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkStructuredGridPartitioner
*
*
* A concrete implementation of vtkMultiBlockDataSetAlgorithm that provides
* functionality for partitioning a VTK structured grid dataset. The partition-
* ing method used is Recursive Coordinate Bisection (RCB) where each time the
* longest dimension is split.
*
* @sa
* vtkUniformGridPartitioner vtkRectilinearGridPartitioner
*/
#ifndef vtkStructuredGridPartitioner_h
#define vtkStructuredGridPartitioner_h
#include "vtkFiltersGeometryModule.h" // For export macro
#include "vtkMultiBlockDataSetAlgorithm.h"
VTK_ABI_NAMESPACE_BEGIN
class vtkInformation;
class vtkInformationVector;
class vtkIndent;
class vtkStructuredGrid;
class vtkPoints;
class VTKFILTERSGEOMETRY_EXPORT vtkStructuredGridPartitioner : public vtkMultiBlockDataSetAlgorithm
{
public:
static vtkStructuredGridPartitioner* New();
vtkTypeMacro(vtkStructuredGridPartitioner, vtkMultiBlockDataSetAlgorithm);
void PrintSelf(ostream& oss, vtkIndent indent) override;
///@{
/**
* Set/Get macro for the number of subdivisions.
*/
vtkGetMacro(NumberOfPartitions, int);
vtkSetMacro(NumberOfPartitions, int);
///@}
///@{
/**
* Set/Get macro for the number of ghost layers.
*/
vtkGetMacro(NumberOfGhostLayers, int);
vtkSetMacro(NumberOfGhostLayers, int);
///@}
///@{
/**
* Set/Get & boolean macro for the DuplicateNodes property.
*/
vtkGetMacro(DuplicateNodes, vtkTypeBool);
vtkSetMacro(DuplicateNodes, vtkTypeBool);
vtkBooleanMacro(DuplicateNodes, vtkTypeBool);
///@}
protected:
vtkStructuredGridPartitioner();
~vtkStructuredGridPartitioner() override;
/**
* Extracts the coordinates of the sub-grid from the whole grid.
*/
vtkPoints* ExtractSubGridPoints(vtkStructuredGrid* wholeGrid, int subext[6]);
// Standard Pipeline methods
int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
int FillInputPortInformation(int port, vtkInformation* info) override;
int FillOutputPortInformation(int port, vtkInformation* info) override;
int NumberOfPartitions;
int NumberOfGhostLayers;
vtkTypeBool DuplicateNodes;
private:
vtkStructuredGridPartitioner(const vtkStructuredGridPartitioner&) = delete;
void operator=(const vtkStructuredGridPartitioner&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif /* vtkStructuredGridPartitioner_h */
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