dox / Filtering
vtkWedge.h

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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 =========================================================================*/
00046 #ifndef __vtkWedge_h
00047 #define __vtkWedge_h
00048 
00049 #include "vtkCell3D.h"
00050 
00051 class vtkLine;
00052 class vtkTriangle;
00053 class vtkQuad;
00054 
00055 class vtkUnstructuredGrid;
00056 
00057 class VTK_FILTERING_EXPORT vtkWedge : public vtkCell3D
00058 {
00059 public:
00060   static vtkWedge *New();
00061   vtkTypeRevisionMacro(vtkWedge,vtkCell3D);
00062   void PrintSelf(ostream& os, vtkIndent indent);
00063 
00065 
00066   virtual void GetEdgePoints(int edgeId, int* &pts);
00067   virtual void GetFacePoints(int faceId, int* &pts);
00069 
00071 
00072   int GetCellType() {return VTK_WEDGE;}
00073   int GetCellDimension() {return 3;}
00074   int GetNumberOfEdges() {return 9;}
00075   int GetNumberOfFaces() {return 5;}
00076   vtkCell *GetEdge(int edgeId);
00077   vtkCell *GetFace(int faceId);
00078   int CellBoundary(int subId, double pcoords[3], vtkIdList *pts);
00079   void Contour(double value, vtkDataArray *cellScalars, 
00080                vtkPointLocator *locator, vtkCellArray *verts, 
00081                vtkCellArray *lines, vtkCellArray *polys,
00082                vtkPointData *inPd, vtkPointData *outPd,
00083                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00084   int EvaluatePosition(double x[3], double* closestPoint,
00085                        int& subId, double pcoords[3],
00086                        double& dist2, double *weights);
00087   void EvaluateLocation(int& subId, double pcoords[3], double x[3],
00088                         double *weights);
00089   int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
00090                         double x[3], double pcoords[3], int& subId);
00091   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00092   void Derivatives(int subId, double pcoords[3], double *values, 
00093                    int dim, double *derivs);
00094   virtual double *GetParametricCoords();
00096 
00098   int GetParametricCenter(double pcoords[3]);
00099 
00101 
00103   static void InterpolationFunctions(double pcoords[3], double weights[6]);
00104   static void InterpolationDerivs(double pcoords[3], double derivs[18]);
00105   int JacobianInverse(double pcoords[3], double **inverse, double derivs[18]);
00106   static int *GetEdgeArray(int edgeId);
00107   static int *GetFaceArray(int faceId);
00109 
00110 protected:
00111   vtkWedge();
00112   ~vtkWedge();
00113 
00114   vtkLine *Line;
00115   vtkTriangle *Triangle;
00116   vtkQuad *Quad;
00117 
00118 private:
00119   vtkWedge(const vtkWedge&);  // Not implemented.
00120   void operator=(const vtkWedge&);  // Not implemented.
00121 };
00122 
00123 inline int vtkWedge::GetParametricCenter(double pcoords[3])
00124 {
00125   pcoords[0] = pcoords[1] = 0.333333;
00126   pcoords[2] = 0.5;
00127   return 0;
00128 }
00129 
00130 #endif
00131 
00132 
00133