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Common/vtkVertex.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkVertex.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 =========================================================================*/
00031 #ifndef __vtkVertex_h
00032 #define __vtkVertex_h
00033 
00034 #include "vtkCell.h"
00035 
00036 class VTK_COMMON_EXPORT vtkVertex : public vtkCell
00037 {
00038 public:
00039   static vtkVertex *New();
00040   vtkTypeRevisionMacro(vtkVertex,vtkCell);
00041   
00046   int GetCellType() {return VTK_VERTEX;};
00047   int GetCellDimension() {return 0;};
00048   int GetNumberOfEdges() {return 0;};
00049   int GetNumberOfFaces() {return 0;};
00050   vtkCell *GetEdge(int) {return 0;};
00051   vtkCell *GetFace(int) {return 0;};
00052   void Clip(float value, vtkDataArray *cellScalars, 
00053             vtkPointLocator *locator, vtkCellArray *pts,
00054             vtkPointData *inPd, vtkPointData *outPd,
00055             vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00056             int insideOut);
00057   int EvaluatePosition(float x[3], float* closestPoint, 
00058                        int& subId, float pcoords[3], 
00059                        float& dist2, float *weights);
00060   void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00061                         float *weights);
00063 
00069   int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00070 
00072 
00076   void Contour(float value, vtkDataArray *cellScalars, 
00077                vtkPointLocator *locator, vtkCellArray *verts1, 
00078                vtkCellArray *lines, vtkCellArray *verts2, 
00079                vtkPointData *inPd, vtkPointData *outPd,
00080                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00082 
00084 
00087   int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00088                         float x[3], float pcoords[3], int& subId);
00090   
00093   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00094 
00096 
00098   void Derivatives(int subId, float pcoords[3], float *values, 
00099                    int dim, float *derivs);
00101 
00103   static void InterpolationFunctions(float pcoords[3], float weights[1]);
00104 
00105 protected:
00106   vtkVertex();
00107   ~vtkVertex() {};
00108   
00109 private:
00110   vtkVertex(const vtkVertex&);  // Not implemented.
00111   void operator=(const vtkVertex&);  // Not implemented.
00112 };
00113 
00114 #endif
00115 
00116