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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 =========================================================================*/
00033 #ifndef __vtkPyramid_h
00034 #define __vtkPyramid_h
00035 
00036 #include "vtkCell3D.h"
00037 
00038 class vtkLine;
00039 class vtkQuad;
00040 class vtkTriangle;
00041 class vtkUnstructuredGrid;
00042 
00043 class VTK_FILTERING_EXPORT vtkPyramid : public vtkCell3D
00044 {
00045 public:
00046   static vtkPyramid *New();
00047   vtkTypeRevisionMacro(vtkPyramid,vtkCell3D);
00048   void PrintSelf(ostream& os, vtkIndent indent);
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_PYRAMID;}
00059   int GetCellDimension() {return 3;}
00060   int GetNumberOfEdges() {return 8;}
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[5]);
00090   // Description:
00091   // @deprecated Replaced by vtkPyramid::InterpolateDerivs as of VTK 5.2
00092   static void InterpolationDerivs(double pcoords[3], double derivs[15]);
00093   // Description:
00094   // Compute the interpolation functions/derivatives
00095   // (aka shape functions/derivatives)
00096   virtual void InterpolateFunctions(double pcoords[3], double weights[5])
00097     {
00098     vtkPyramid::InterpolationFunctions(pcoords,weights);
00099     }
00100   virtual void InterpolateDerivs(double pcoords[3], double derivs[15])
00101     {
00102     vtkPyramid::InterpolationDerivs(pcoords,derivs);
00103     }
00105 
00106   int JacobianInverse(double pcoords[3], double **inverse, double derivs[15]);
00107 
00109 
00111   static int *GetEdgeArray(int edgeId);
00112   static int *GetFaceArray(int faceId);
00114 
00115 protected:
00116   vtkPyramid();
00117   ~vtkPyramid();
00118 
00119   vtkLine *Line;
00120   vtkTriangle *Triangle;
00121   vtkQuad *Quad;
00122 
00123 private:
00124   vtkPyramid(const vtkPyramid&);  // Not implemented.
00125   void operator=(const vtkPyramid&);  // Not implemented.
00126 };
00127 
00128 //----------------------------------------------------------------------------
00129 inline int vtkPyramid::GetParametricCenter(double pcoords[3])
00130 {
00131   pcoords[0] = pcoords[1] = 0.4;
00132   pcoords[2] = 0.2;
00133   return 0;
00134 }
00135 
00136 #endif
00137 
00138 
00139 

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