vtkCell3D.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkCell3D.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 __vtkCell3D_h
#define __vtkCell3D_h

#include "vtkCell.h"

class vtkOrderedTriangulator;
class vtkTetra;
class vtkCellArray;
class vtkDoubleArray;

class VTK_FILTERING_EXPORT vtkCell3D : public vtkCell
{
public:
  vtkTypeRevisionMacro(vtkCell3D,vtkCell);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual void GetEdgePoints(int edgeId, int* &pts) = 0;
  
  virtual void GetFacePoints(int faceId, int* &pts) = 0;

  void Contour(double value, vtkDataArray *cellScalars, 
               vtkPointLocator *locator, vtkCellArray *verts, 
               vtkCellArray *lines, vtkCellArray *polys,
               vtkPointData *inPd, vtkPointData *outPd,
               vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);


  virtual void Clip(double value, vtkDataArray *cellScalars, 
                    vtkPointLocator *locator, vtkCellArray *connectivity,
                    vtkPointData *inPd, vtkPointData *outPd,
                    vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, 
                    int insideOut);

  virtual int GetCellDimension() {return 3;}


  vtkSetClampMacro(MergeTolerance,double,0.0001,0.25);
  vtkGetMacro(MergeTolerance,double);

protected:
  vtkCell3D();
  ~vtkCell3D();
  
  vtkOrderedTriangulator *Triangulator;
  double                  MergeTolerance;

  //used to support clipping
  vtkTetra               *ClipTetra;
  vtkDoubleArray         *ClipScalars;

private:
  vtkCell3D(const vtkCell3D&);  // Not implemented.
  void operator=(const vtkCell3D&);  // Not implemented.
};

#endif

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