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

  Program:   Visualization Toolkit
  Module:    vtkGenericDataSetTessellator.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 vtkGenericDataSetTessellator_h
#define vtkGenericDataSetTessellator_h

#include "vtkFiltersGenericModule.h" // For export macro
#include "vtkUnstructuredGridAlgorithm.h"

class vtkPointData;
class vtkIncrementalPointLocator;

class VTKFILTERSGENERIC_EXPORT vtkGenericDataSetTessellator : public vtkUnstructuredGridAlgorithm
{
public:

  static vtkGenericDataSetTessellator *New();
  vtkTypeMacro(vtkGenericDataSetTessellator,
                       vtkUnstructuredGridAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  vtkSetMacro(KeepCellIds, int);
  vtkGetMacro(KeepCellIds, int);
  vtkBooleanMacro(KeepCellIds, int);



  vtkSetMacro(Merging,int);
  vtkGetMacro(Merging,int);
  vtkBooleanMacro(Merging,int);


  void SetLocator(vtkIncrementalPointLocator *locator);
  vtkGetObjectMacro(Locator,vtkIncrementalPointLocator);

  void CreateDefaultLocator();

  unsigned long GetMTime();

protected:
  vtkGenericDataSetTessellator();
  ~vtkGenericDataSetTessellator();

  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);

  int FillInputPortInformation(int, vtkInformation*);

  // See Set/Get KeepCellIds() for explanations.
  int KeepCellIds;

  // Used internal by vtkGenericAdaptorCell::Tessellate()
  vtkPointData *InternalPD;

  int Merging;
  vtkIncrementalPointLocator *Locator;

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

#endif