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/usr/include/vtk-5.8/vtkExtentTranslator.h is in libvtk5-dev 5.8.0-5.

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

  Program:   Visualization Toolkit
  Module:    vtkExtentTranslator.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 vtkExtentTranslator - Generates a structured extent from unstructured.

// .SECTION Description
// vtkExtentTranslator generates a structured extent from an unstructured
// extent.  It uses a recursive scheme that splits the largest axis.  A hard
// coded extent can be used for a starting point.

// .SECTION Caveats
// This object is still under development.

#ifndef __vtkExtentTranslator_h
#define __vtkExtentTranslator_h

#include "vtkObject.h"


class VTK_COMMON_EXPORT vtkExtentTranslator : public vtkObject
{
public:
  static vtkExtentTranslator *New();

  vtkTypeMacro(vtkExtentTranslator,vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);

  // Description:
  // Set the Piece/NumPieces. Set the WholeExtent and then call PieceToExtent.
  // The result can be obtained from the Extent ivar.
  vtkSetVector6Macro(WholeExtent, int);
  vtkGetVector6Macro(WholeExtent, int);
  vtkSetVector6Macro(Extent, int);
  vtkGetVector6Macro(Extent, int);
  vtkSetMacro(Piece,int);
  vtkGetMacro(Piece,int);
  vtkSetMacro(NumberOfPieces,int);
  vtkGetMacro(NumberOfPieces,int);
  vtkSetMacro(GhostLevel, int);
  vtkGetMacro(GhostLevel, int);

  // Description:
  // These are the main methods that should be called. These methods 
  // are responsible for converting a piece to an extent. The signatures
  // without arguments are only thread safe when each thread accesses a
  // different instance. The signatures with arguments are fully thread
  // safe. 
  virtual int PieceToExtent();
  virtual int PieceToExtentByPoints();
  virtual int PieceToExtentThreadSafe(int piece, int numPieces, 
                                      int ghostLevel, int *wholeExtent, 
                                      int *resultExtent, int splitMode, 
                                      int byPoints);
  
  
  
  // Description:
  // How should the streamer break up extents. Block mode
  // tries to break an extent up into cube blocks.  It always chooses
  // the largest axis to split.
  // Slab mode first breaks up the Z axis.  If it gets to one slice,
  // then it starts breaking up other axes.
  void SetSplitModeToBlock()
    {this->SplitMode = vtkExtentTranslator::BLOCK_MODE;}
  void SetSplitModeToXSlab()
    {this->SplitMode = vtkExtentTranslator::X_SLAB_MODE;}
 void SetSplitModeToYSlab()
    {this->SplitMode = vtkExtentTranslator::Y_SLAB_MODE;}
 void SetSplitModeToZSlab()
    {this->SplitMode = vtkExtentTranslator::Z_SLAB_MODE;}
  vtkGetMacro(SplitMode,int);

  //Description:
  // By default the translator creates N structured subextents by repeatedly
  // splitting the largest current dimension until there are N pieces.
  // If you do not want it always split the largest dimension, for instance when the
  // shortest dimension is the slowest changing and thus least coherent in memory,
  // use this to tell the translator which dimensions to split.
  void SetSplitPath(int len, int *splitpath);

protected:
  vtkExtentTranslator();
  ~vtkExtentTranslator();

  // Description:
  // Returns 0 if no data exist for a piece.
  // The whole extent Should be passed in as the extent.
  // It is modified to return the result.
  int SplitExtent(int piece, int numPieces, int *extent, int splitMode);  
  int SplitExtentByPoints(int piece, int numPieces, int *extent, 
                          int splitMode);  

  int Piece;
  int NumberOfPieces;
  int GhostLevel;
  int Extent[6];
  int WholeExtent[6];
  int SplitMode;

  int* SplitPath;
  int SplitLen;

//BTX
  // Don't change the numbers here - they are used in the code
  // to indicate array indices.
  enum Modes {
    X_SLAB_MODE=0,
    Y_SLAB_MODE=1,
    Z_SLAB_MODE=2,
    BLOCK_MODE= 3
  };
//ETX

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

#endif