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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 =========================================================================*/
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_FILTERING_EXPORT vtkWedge : public vtkCell3D
00045 {
00046 public:
00047   static vtkWedge *New();
00048   vtkTypeRevisionMacro(vtkWedge,vtkCell3D);
00049   void PrintSelf(ostream& os, vtkIndent indent);
00050 
00052 
00053   virtual void GetEdgePoints(int edgeId, int* &pts);
00054   virtual void GetFacePoints(int faceId, int* &pts);
00056 
00058 
00059   int GetCellType() {return VTK_WEDGE;}
00060   int GetCellDimension() {return 3;}
00061   int GetNumberOfEdges() {return 9;}
00062   int GetNumberOfFaces() {return 5;}
00063   vtkCell *GetEdge(int edgeId);
00064   vtkCell *GetFace(int faceId);
00065   int CellBoundary(int subId, double pcoords[3], vtkIdList *pts);
00066   void Contour(double value, vtkDataArray *cellScalars,
00067                vtkPointLocator *locator, vtkCellArray *verts,
00068                vtkCellArray *lines, vtkCellArray *polys,
00069                vtkPointData *inPd, vtkPointData *outPd,
00070                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00071   int EvaluatePosition(double x[3], double* closestPoint,
00072                        int& subId, double pcoords[3],
00073                        double& dist2, double *weights);
00074   void EvaluateLocation(int& subId, double pcoords[3], double x[3],
00075                         double *weights);
00076   int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
00077                         double x[3], double pcoords[3], int& subId);
00078   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00079   void Derivatives(int subId, double pcoords[3], double *values,
00080                    int dim, double *derivs);
00081   virtual double *GetParametricCoords();
00083 
00085   int GetParametricCenter(double pcoords[3]);
00086 
00088 
00089   static void InterpolationFunctions(double pcoords[3], double weights[6]);
00090   // Description:
00091   // @deprecated Replaced by vtkWedge::InterpolateDerivs as of VTK 5.2
00092   static void InterpolationDerivs(double pcoords[3], double derivs[18]);
00093   // Description:
00094   // Compute the interpolation functions/derivatives
00095   // (aka shape functions/derivatives)
00096   virtual void InterpolateFunctions(double pcoords[3], double weights[6])
00097     {
00098     vtkWedge::InterpolationFunctions(pcoords,weights);
00099     }
00100   virtual void InterpolateDerivs(double pcoords[3], double derivs[18])
00101     {
00102     vtkWedge::InterpolationDerivs(pcoords,derivs);
00103     }
00104   int JacobianInverse(double pcoords[3], double **inverse, double derivs[18]);
00106 
00108 
00110   static int *GetEdgeArray(int edgeId);
00111   static int *GetFaceArray(int faceId);
00113 
00114 protected:
00115   vtkWedge();
00116   ~vtkWedge();
00117 
00118   vtkLine *Line;
00119   vtkTriangle *Triangle;
00120   vtkQuad *Quad;
00121 
00122 private:
00123   vtkWedge(const vtkWedge&);  // Not implemented.
00124   void operator=(const vtkWedge&);  // Not implemented.
00125 };
00126 
00127 inline int vtkWedge::GetParametricCenter(double pcoords[3])
00128 {
00129   pcoords[0] = pcoords[1] = 0.333333;
00130   pcoords[2] = 0.5;
00131   return 0;
00132 }
00133 
00134 #endif
00135 
00136 
00137 

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