vtkStructuredData.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkStructuredData.h,v $

  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 __vtkStructuredData_h
#define __vtkStructuredData_h

#include "vtkObject.h"

class vtkIdList;

#define VTK_UNCHANGED 0
#define VTK_SINGLE_POINT 1
#define VTK_X_LINE 2
#define VTK_Y_LINE 3
#define VTK_Z_LINE 4
#define VTK_XY_PLANE 5
#define VTK_YZ_PLANE 6
#define VTK_XZ_PLANE 7
#define VTK_XYZ_GRID 8
#define VTK_EMPTY 9

class VTK_COMMON_EXPORT vtkStructuredData : public vtkObject 
{
public:
  vtkTypeRevisionMacro(vtkStructuredData,vtkObject);


  static int SetDimensions(int inDim[3], int dim[3]);
  static int SetExtent(int inExt[6], int ext[6]);

  static int GetDataDimension(int dataDescription);


  static void GetCellPoints(vtkIdType cellId, vtkIdList *ptIds, 
                            int dataDescription, int dim[3]);

  static void GetPointCells(vtkIdType ptId, vtkIdList *cellIds, int dim[3]);


  static void GetCellNeighbors(vtkIdType cellId, vtkIdList *ptIds, 
                               vtkIdList *cellIds, int dim[3]);


  static vtkIdType ComputePointId(int dim[3], int ijk[3]) {
    return (ijk[2]*dim[1] + ijk[1])*dim[0] + ijk[0];}


  static vtkIdType ComputeCellId(int dim[3], int ijk[3]) {
    return (ijk[2]*(dim[1]-1) + ijk[1])*(dim[0]-1) + ijk[0];}

protected:
  vtkStructuredData() {};
  ~vtkStructuredData() {};
  
private:
  vtkStructuredData(const vtkStructuredData&);  // Not implemented.
  void operator=(const vtkStructuredData&);  // Not implemented.
};


#endif

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