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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkHyperOctreeToUniformGridFilter.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.

=========================================================================*/
#ifndef vtkHyperOctreeToUniformGridFilter_h
#define vtkHyperOctreeToUniformGridFilter_h

#include "vtkFiltersHyperTreeModule.h" // For export macro
#include "vtkImageAlgorithm.h"

class vtkHyperOctreeCursor;
class vtkCellData;
class vtkDataSetAttributes;

class VTKFILTERSHYPERTREE_EXPORT vtkHyperOctreeToUniformGridFilter : public vtkImageAlgorithm
{
public:
  static vtkHyperOctreeToUniformGridFilter *New();
  vtkTypeMacro(vtkHyperOctreeToUniformGridFilter,vtkImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);

protected:
  vtkHyperOctreeToUniformGridFilter();
  ~vtkHyperOctreeToUniformGridFilter();

  int RequestInformation (vtkInformation * vtkNotUsed(request),
                          vtkInformationVector **inputVector,
                          vtkInformationVector *outputVector);

  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  virtual int FillInputPortInformation(int port, vtkInformation *info);

  void CopyCellData(int cellExtent[6]);

  // Variables used by generate recursively.
  // It avoids to pass to much argument.
  vtkDataSetAttributes *InputCD;
  vtkCellData *OutputCD;
  vtkHyperOctreeCursor *Cursor;
  int YExtent;
  int ZExtent;
  vtkImageData *Output;

private:
  vtkHyperOctreeToUniformGridFilter(const vtkHyperOctreeToUniformGridFilter&);  // Not implemented.
  void operator=(const vtkHyperOctreeToUniformGridFilter&);  // Not implemented.
};

#endif