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# Common/vtkWedge.h

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    00001 /*=========================================================================
    00002
    00003   Program:   Visualization Toolkit
    00004   Module:    $RCSfile: vtkWedge.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 =========================================================================*/
    00048 #ifndef __vtkWedge_h
    00049 #define __vtkWedge_h
    00050
    00051 #include "vtkCell3D.h"
    00052
    00053 class vtkLine;
    00054 class vtkTriangle;
    00055 class vtkQuad;
    00056
    00057 class vtkUnstructuredGrid;
    00058
    00059 class VTK_COMMON_EXPORT vtkWedge : public vtkCell3D
    00060 {
    00061 public:
    00062   static vtkWedge *New();
    00063   vtkTypeRevisionMacro(vtkWedge,vtkCell3D);
    00064
    00066
    00067   virtual void GetEdgePoints(int edgeId, int* &pts);
    00068   virtual void GetFacePoints(int faceId, int* &pts);
    00069   virtual float *GetParametricCoords();
    00071
    00073
    00074   int GetCellType() {return VTK_WEDGE;}
    00075   int GetCellDimension() {return 3;}
    00076   int GetNumberOfEdges() {return 9;}
    00077   int GetNumberOfFaces() {return 5;}
    00078   vtkCell *GetEdge(int edgeId);
    00079   vtkCell *GetFace(int faceId);
    00080   int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
    00081   void Contour(float value, vtkDataArray *cellScalars,
    00082                vtkPointLocator *locator, vtkCellArray *verts,
    00083                vtkCellArray *lines, vtkCellArray *polys,
    00084                vtkPointData *inPd, vtkPointData *outPd,
    00085                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
    00086   int EvaluatePosition(float x[3], float* closestPoint,
    00087                        int& subId, float pcoords[3],
    00088                        float& dist2, float *weights);
    00089   void EvaluateLocation(int& subId, float pcoords[3], float x[3],
    00090                         float *weights);
    00091   int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
    00092                         float x[3], float pcoords[3], int& subId);
    00093   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
    00094   void Derivatives(int subId, float pcoords[3], float *values,
    00095                    int dim, float *derivs);
    00097
    00099   int GetParametricCenter(float pcoords[3]);
    00100
    00102
    00104   static void InterpolationFunctions(float pcoords[3], float weights[6]);
    00105   static void InterpolationDerivs(float pcoords[3], float derivs[18]);
    00106   int JacobianInverse(float pcoords[3], double **inverse, float derivs[18]);
    00107   static int *GetEdgeArray(int edgeId);
    00108   static int *GetFaceArray(int faceId);
    00110
    00111 protected:
    00112   vtkWedge();
    00113   ~vtkWedge();
    00114
    00115   vtkLine *Line;
    00116   vtkTriangle *Triangle;
    00117   vtkQuad *Quad;
    00118
    00119 private:
    00120   vtkWedge(const vtkWedge&);  // Not implemented.
    00121   void operator=(const vtkWedge&);  // Not implemented.
    00122 };
    00123
    00124 inline int vtkWedge::GetParametricCenter(float pcoords[3])
    00125 {
    00126   pcoords[0] = pcoords[1] = 0.333333f;
    00127   pcoords[2] = 0.5f;
    00128   return 0;
    00129 }
    00130
    00131 #endif
    00132
    00133
    00134