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

  Program:   Visualization Toolkit
  Module:    vtkDicer.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 vtkDicer_h
#define vtkDicer_h

#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkDataSetAlgorithm.h"

#define VTK_DICE_MODE_NUMBER_OF_POINTS 0
#define VTK_DICE_MODE_SPECIFIED_NUMBER 1
#define VTK_DICE_MODE_MEMORY_LIMIT 2

class VTKFILTERSGENERAL_EXPORT vtkDicer : public vtkDataSetAlgorithm
{
public:
  vtkTypeMacro(vtkDicer,vtkDataSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


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


  vtkSetClampMacro(DiceMode,int,VTK_DICE_MODE_NUMBER_OF_POINTS,VTK_DICE_MODE_MEMORY_LIMIT);
  vtkGetMacro(DiceMode,int);
  void SetDiceModeToNumberOfPointsPerPiece()
    {this->SetDiceMode(VTK_DICE_MODE_NUMBER_OF_POINTS);};
  void SetDiceModeToSpecifiedNumberOfPieces()
    {this->SetDiceMode(VTK_DICE_MODE_SPECIFIED_NUMBER);};
  void SetDiceModeToMemoryLimitPerPiece()
    {this->SetDiceMode(VTK_DICE_MODE_MEMORY_LIMIT);};


  vtkGetMacro(NumberOfActualPieces,int);


  vtkSetClampMacro(NumberOfPointsPerPiece,int,1000,VTK_INT_MAX);
  vtkGetMacro(NumberOfPointsPerPiece,int);


  vtkSetClampMacro(NumberOfPieces,int,1,VTK_INT_MAX);
  vtkGetMacro(NumberOfPieces,int);


  vtkSetClampMacro(MemoryLimit,unsigned long,100,VTK_INT_MAX);
  vtkGetMacro(MemoryLimit,unsigned long);

protected:
  vtkDicer();
  ~vtkDicer() {}

  virtual void UpdatePieceMeasures(vtkDataSet *input);

  int           NumberOfPointsPerPiece;
  int           NumberOfPieces;
  unsigned long MemoryLimit;
  int           NumberOfActualPieces;
  int           FieldData;
  int           DiceMode;

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

#endif