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/*=========================================================================
Program: Visualization Toolkit
Module: vtkRectilinearGridPartitioner.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME vtkRectilinearGridPartitioner.h -- Partitions a rectilinear grid by RCB
//
// .SECTION Description
// A concrete implementation of vtkMultiBlockDataSetAlgorithm that provides
// functionality for partitioning a VTK rectilinear dataset. The partitioning
// methd used is Recursive Coordinate Bisection (RCB) where each time the
// longest dimension is split.
//
// .SECTION See Also
// vtkUniformGridPartitioner vtkStructuredGridPartitioner
#ifndef VTKRECTILINEARGRIDPARTITIONER_H_
#define VTKRECTILINEARGRIDPARTITIONER_H_
#include "vtkFiltersGeometryModule.h" // For export macro
#include "vtkMultiBlockDataSetAlgorithm.h"
class vtkInformation;
class vtkInformationVector;
class vtkIndent;
class vtkDoubleArray;
class vtkRectilinearGrid;
class VTKFILTERSGEOMETRY_EXPORT vtkRectilinearGridPartitioner :
public vtkMultiBlockDataSetAlgorithm
{
public:
static vtkRectilinearGridPartitioner *New();
vtkTypeMacro(vtkRectilinearGridPartitioner, vtkMultiBlockDataSetAlgorithm);
void PrintSelf(ostream &oss, vtkIndent indent);
// Description:
// Set/Get macro for the number of subdivisions.
vtkGetMacro(NumberOfPartitions,int);
vtkSetMacro(NumberOfPartitions,int);
// Description:
// Set/Get macro for the number of ghost layers.
vtkGetMacro(NumberOfGhostLayers,int);
vtkSetMacro(NumberOfGhostLayers,int);
// Description:
vtkGetMacro(DuplicateNodes,int);
vtkSetMacro(DuplicateNodes,int);
vtkBooleanMacro(DuplicateNodes,int);
protected:
vtkRectilinearGridPartitioner();
virtual ~vtkRectilinearGridPartitioner();
// Description:
// Extracts the coordinates
void ExtractGridCoordinates(
vtkRectilinearGrid *grd, int subext[6],
vtkDoubleArray *xcoords,
vtkDoubleArray *ycoords,
vtkDoubleArray *zcoords );
// Standard Pipeline methods
virtual int RequestData(
vtkInformation*,vtkInformationVector**,vtkInformationVector*);
virtual int FillInputPortInformation(int port, vtkInformation *info);
virtual int FillOutputPortInformation(int port, vtkInformation *info);
int NumberOfPartitions;
int NumberOfGhostLayers;
int DuplicateNodes;
private:
vtkRectilinearGridPartitioner(const vtkRectilinearGridPartitioner &); // Not implemented
void operator=(const vtkRectilinearGridPartitioner &); // Not implemented
};
#endif /* VTKRECTILINEARGRIDPARTITIONER_H_ */
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