text: /*=========================================================================
  
   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.
  
   =========================================================================*/
  /**
   * @class   vtkRectilinearGridPartitioner
   *
   *
   *  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.
   *
   * @sa
   *  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) VTK_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);
    //@}
  
    //@{
    vtkGetMacro(DuplicateNodes,int);
    vtkSetMacro(DuplicateNodes,int);
    vtkBooleanMacro(DuplicateNodes,int);
    //@}
  
  protected:
    vtkRectilinearGridPartitioner();
    ~vtkRectilinearGridPartitioner() VTK_OVERRIDE;
  
    /**
     * Extracts the coordinates
     */
    void ExtractGridCoordinates(
        vtkRectilinearGrid *grd, int subext[6],
        vtkDoubleArray *xcoords,
        vtkDoubleArray *ycoords,
        vtkDoubleArray *zcoords );
  
    // Standard Pipeline methods
    int RequestData(
       vtkInformation*,vtkInformationVector**,vtkInformationVector*) VTK_OVERRIDE;
    int FillInputPortInformation(int port, vtkInformation *info) VTK_OVERRIDE;
    int FillOutputPortInformation(int port, vtkInformation *info) VTK_OVERRIDE;
  
    int NumberOfPartitions;
    int NumberOfGhostLayers;
    int DuplicateNodes;
  
  private:
    vtkRectilinearGridPartitioner(const vtkRectilinearGridPartitioner &) VTK_DELETE_FUNCTION;
    void operator=(const vtkRectilinearGridPartitioner &) VTK_DELETE_FUNCTION;
  };
  
  #endif /* vtkRectilinearGridPartitioner_h */
  