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Common/vtkWedge.h

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkWedge.h,v $
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00033 #ifndef __vtkWedge_h
00034 #define __vtkWedge_h
00035 
00036 #include "vtkCell3D.h"
00037 
00038 class vtkLine;
00039 class vtkTriangle;
00040 class vtkQuad;
00041 
00042 class vtkUnstructuredGrid;
00043 
00044 class VTK_COMMON_EXPORT vtkWedge : public vtkCell3D
00045 {
00046 public:
00047   static vtkWedge *New();
00048   vtkTypeRevisionMacro(vtkWedge,vtkCell3D);
00049 
00051 
00052   virtual void GetEdgePoints(int edgeId, int* &pts);
00053   virtual void GetFacePoints(int faceId, int* &pts);
00055 
00057 
00058   int GetCellType() {return VTK_WEDGE;}
00059   int GetCellDimension() {return 3;}
00060   int GetNumberOfEdges() {return 9;}
00061   int GetNumberOfFaces() {return 5;}
00062   vtkCell *GetEdge(int edgeId);
00063   vtkCell *GetFace(int faceId);
00064   int CellBoundary(int subId, double pcoords[3], vtkIdList *pts);
00065   void Contour(double value, vtkDataArray *cellScalars, 
00066                vtkPointLocator *locator, vtkCellArray *verts, 
00067                vtkCellArray *lines, vtkCellArray *polys,
00068                vtkPointData *inPd, vtkPointData *outPd,
00069                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00070   int EvaluatePosition(double x[3], double* closestPoint,
00071                        int& subId, double pcoords[3],
00072                        double& dist2, double *weights);
00073   void EvaluateLocation(int& subId, double pcoords[3], double x[3],
00074                         double *weights);
00075   int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
00076                         double x[3], double pcoords[3], int& subId);
00077   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00078   void Derivatives(int subId, double pcoords[3], double *values, 
00079                    int dim, double *derivs);
00080   virtual double *GetParametricCoords();
00082 
00084   int GetParametricCenter(double pcoords[3]);
00085 
00087 
00089   static void InterpolationFunctions(double pcoords[3], double weights[6]);
00090   static void InterpolationDerivs(double pcoords[3], double derivs[18]);
00091   int JacobianInverse(double pcoords[3], double **inverse, double derivs[18]);
00092   static int *GetEdgeArray(int edgeId);
00093   static int *GetFaceArray(int faceId);
00095 
00096 protected:
00097   vtkWedge();
00098   ~vtkWedge();
00099 
00100   vtkLine *Line;
00101   vtkTriangle *Triangle;
00102   vtkQuad *Quad;
00103 
00104 private:
00105   vtkWedge(const vtkWedge&);  // Not implemented.
00106   void operator=(const vtkWedge&);  // Not implemented.
00107 };
00108 
00109 inline int vtkWedge::GetParametricCenter(double pcoords[3])
00110 {
00111   pcoords[0] = pcoords[1] = 0.333333f;
00112   pcoords[2] = 0.5f;
00113   return 0;
00114 }
00115 
00116 #endif
00117 
00118 
00119