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Common/vtkEmptyCell.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkEmptyCell.h,v $
00005   Language:  C++
00006 
00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 
00008   All rights reserved.
00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00010 
00011      This software is distributed WITHOUT ANY WARRANTY; without even 
00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00013      PURPOSE.  See the above copyright notice for more information.
00014 
00015 =========================================================================*/
00029 #ifndef __vtkEmptyCell_h
00030 #define __vtkEmptyCell_h
00031 
00032 #include "vtkCell.h"
00033 
00034 class VTK_COMMON_EXPORT vtkEmptyCell : public vtkCell
00035 {
00036 public:
00037   static vtkEmptyCell *New();
00038   vtkTypeRevisionMacro(vtkEmptyCell,vtkCell);
00039 
00041 
00042   int GetCellType() {return VTK_EMPTY_CELL;};
00043   int GetCellDimension() {return 0;};
00044   int GetNumberOfEdges() {return 0;};
00045   int GetNumberOfFaces() {return 0;};
00046   vtkCell *GetEdge(int) {return 0;};
00047   vtkCell *GetFace(int) {return 0;};
00048   int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00049   void Contour(float value, vtkDataArray *cellScalars, 
00050                vtkPointLocator *locator, vtkCellArray *verts1, 
00051                vtkCellArray *lines, vtkCellArray *verts2, 
00052                vtkPointData *inPd, vtkPointData *outPd,
00053                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00054   void Clip(float value, vtkDataArray *cellScalars, 
00055             vtkPointLocator *locator, vtkCellArray *pts,
00056             vtkPointData *inPd, vtkPointData *outPd,
00057             vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00058             int insideOut);
00060 
00061   int EvaluatePosition(float x[3], float* closestPoint, 
00062                        int& subId, float pcoords[3], 
00063                        float& dist2, float *weights);
00064   void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00065                         float *weights);
00066   int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00067                         float x[3], float pcoords[3], int& subId);
00068   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00069   void Derivatives(int subId, float pcoords[3], float *values, 
00070                    int dim, float *derivs);
00071 
00072 protected:
00073   vtkEmptyCell() {};
00074   ~vtkEmptyCell() {};
00075 
00076 
00077 private:
00078   vtkEmptyCell(const vtkEmptyCell&);  // Not implemented.
00079   void operator=(const vtkEmptyCell&);  // Not implemented.
00080 };
00081 
00082 #endif
00083 
00084