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Common/vtkStructuredData.h

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

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


Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

 * Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.

 * Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

 * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
   of any contributors may be used to endorse or promote products derived
   from this software without specific prior written permission.

 * Modified source versions must be plainly marked as such, and must not be
   misrepresented as being the original software.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

=========================================================================*/
#ifndef __vtkStructuredData_h
#define __vtkStructuredData_h

#include "vtkObject.h"
#include "vtkIdList.h"

#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:
  static vtkStructuredData *New();
  vtkTypeMacro(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 GetCellNeigbors(vtkIdType cellId, vtkIdList *ptIds, 
                              vtkIdList *cellIds, int dim[3]);


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


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