dox / Filtering
vtkPyramid.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkPyramid.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 __vtkPyramid_h
00047 #define __vtkPyramid_h
00048 
00049 #include "vtkCell3D.h"
00050 
00051 class vtkLine;
00052 class vtkQuad;
00053 class vtkTriangle;
00054 class vtkUnstructuredGrid;
00055 
00056 class VTK_FILTERING_EXPORT vtkPyramid : public vtkCell3D
00057 {
00058 public:
00059   vtkTypeRevisionMacro(vtkPyramid,vtkCell3D);
00060   void PrintSelf(ostream& os, vtkIndent indent);
00061 
00063   static vtkPyramid *New();
00064 
00066 
00067   virtual void GetEdgePoints(int edgeId, int* &pts);
00068   virtual void GetFacePoints(int faceId, int* &pts);
00070 
00072 
00073   int GetCellType() {return VTK_PYRAMID;}
00074   int GetCellDimension() {return 3;}
00075   int GetNumberOfEdges() {return 8;}
00076   int GetNumberOfFaces() {return 5;}
00077   vtkCell *GetEdge(int edgeId);
00078   vtkCell *GetFace(int faceId);
00079   int CellBoundary(int subId, double pcoords[3], vtkIdList *pts);
00080   void Contour(double value, vtkDataArray *cellScalars, 
00081                vtkPointLocator *locator, vtkCellArray *verts, 
00082                vtkCellArray *lines, vtkCellArray *polys,
00083                vtkPointData *inPd, vtkPointData *outPd,
00084                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00085   int EvaluatePosition(double x[3], double* closestPoint,
00086                        int& subId, double pcoords[3],
00087                        double& dist2, double *weights);
00088   void EvaluateLocation(int& subId, double pcoords[3], double x[3],
00089                         double *weights);
00090   int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
00091                         double x[3], double pcoords[3], int& subId);
00092   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00093   void Derivatives(int subId, double pcoords[3], double *values, 
00094                    int dim, double *derivs);
00095   virtual double *GetParametricCoords();
00097 
00099   int GetParametricCenter(double pcoords[3]);
00100 
00102 
00104   static void InterpolationFunctions(double pcoords[3], double weights[5]);
00105   static void InterpolationDerivs(double pcoords[3], double derivs[15]);
00106   int JacobianInverse(double pcoords[3], double **inverse, double derivs[15]);
00107   static int *GetEdgeArray(int edgeId);
00108   static int *GetFaceArray(int faceId);
00110 
00111 protected:
00112   vtkPyramid();
00113   ~vtkPyramid();
00114 
00115   vtkLine *Line;
00116   vtkTriangle *Triangle;
00117   vtkQuad *Quad;
00118 
00119 private:
00120   vtkPyramid(const vtkPyramid&);  // Not implemented.
00121   void operator=(const vtkPyramid&);  // Not implemented.
00122 };
00123 
00124 //----------------------------------------------------------------------------
00125 inline int vtkPyramid::GetParametricCenter(double pcoords[3])
00126 {
00127   pcoords[0] = pcoords[1] = 0.5;
00128   pcoords[2] = 0.333333;
00129   return 0;
00130 }
00131 
00132 #endif
00133 
00134 
00135