Main Page | Class Hierarchy | Alphabetical List | Class List | File List | Class Members | File Members | Related Pages

Common/vtkConvexPointSet.h

Go to the documentation of this file.
00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkConvexPointSet.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 =========================================================================*/
00033 #ifndef __vtkConvexPointSet_h
00034 #define __vtkConvexPointSet_h
00035 
00036 #include "vtkCell3D.h"
00037 
00038 class vtkUnstructuredGrid;
00039 class vtkCellArray;
00040 class vtkTriangle;
00041 class vtkTetra;
00042 class vtkFloatArray;
00043 
00044 class VTK_COMMON_EXPORT vtkConvexPointSet : public vtkCell3D
00045 {
00046 public:
00047   static vtkConvexPointSet *New();
00048   vtkTypeRevisionMacro(vtkConvexPointSet,vtkCell3D);
00049 
00051 
00052   virtual void GetEdgePoints(int vtkNotUsed(edgeId), int* &vtkNotUsed(pts)) {}
00053   virtual void GetFacePoints(int vtkNotUsed(faceId), int* &vtkNotUsed(pts)) {}
00054   virtual float *GetParametricCoords();
00056 
00058   virtual int GetCellType() {return VTK_CONVEX_POINT_SET;}
00059 
00061 
00062   virtual int RequiresInitialization() {return 1;}
00063   virtual void Initialize();
00065 
00067 
00076   virtual int GetNumberOfEdges() {return 0;}
00077   virtual vtkCell *GetEdge(int) {return NULL;}
00078   virtual int GetNumberOfFaces();
00079   virtual vtkCell *GetFace(int faceId);
00081 
00083 
00085   virtual void Contour(float value, vtkDataArray *cellScalars, 
00086                        vtkPointLocator *locator, vtkCellArray *verts, 
00087                        vtkCellArray *lines, vtkCellArray *polys,
00088                        vtkPointData *inPd, vtkPointData *outPd,
00089                        vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00091 
00093 
00096   virtual void Clip(float value, vtkDataArray *cellScalars, 
00097                     vtkPointLocator *locator, vtkCellArray *connectivity,
00098                     vtkPointData *inPd, vtkPointData *outPd,
00099                     vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, 
00100                     int insideOut);
00102 
00104 
00107   virtual int EvaluatePosition(float x[3], float* closestPoint,
00108                                int& subId, float pcoords[3],
00109                                float& dist2, float *weights);
00111 
00113 
00114   virtual void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00115                                 float *weights);
00117   
00119 
00121   virtual int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00122                                 float x[3], float pcoords[3], int& subId);
00124 
00126   virtual int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00127   
00129 
00131   virtual void Derivatives(int subId, float pcoords[3], float *values, 
00132                            int dim, float *derivs);
00134 
00138   virtual int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00139   
00141   virtual int GetParametricCenter(float pcoords[3]);
00142 
00143 protected:
00144   vtkConvexPointSet();
00145   ~vtkConvexPointSet();
00146 
00147   vtkTetra      *Tetra;
00148   vtkIdList     *TetraIds;
00149   vtkPoints     *TetraPoints;
00150   vtkFloatArray *TetraScalars;
00151 
00152   vtkCellArray  *BoundaryTris;
00153   vtkTriangle   *Triangle;
00154   vtkFloatArray *ParametricCoords;
00155 
00156 private:
00157   vtkConvexPointSet(const vtkConvexPointSet&);  // Not implemented.
00158   void operator=(const vtkConvexPointSet&);  // Not implemented.
00159 };
00160 
00161 inline int vtkConvexPointSet::GetParametricCenter(float pcoords[3])
00162 {
00163   pcoords[0] = pcoords[1] = pcoords[2] = 0.5;
00164   return 0;
00165 }
00166 
00167 #endif
00168 
00169 
00170