VTK
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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkHexahedron.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 __vtkHexahedron_h 00034 #define __vtkHexahedron_h 00035 00036 #include "vtkCell3D.h" 00037 00038 class vtkLine; 00039 class vtkQuad; 00040 00041 class VTK_FILTERING_EXPORT vtkHexahedron : public vtkCell3D 00042 { 00043 public: 00044 static vtkHexahedron *New(); 00045 vtkTypeRevisionMacro(vtkHexahedron,vtkCell3D); 00046 void PrintSelf(ostream& os, vtkIndent indent); 00047 00049 00050 virtual void GetEdgePoints(int edgeId, int* &pts); 00051 virtual void GetFacePoints(int faceId, int* &pts); 00053 00055 00056 int GetCellType() {return VTK_HEXAHEDRON;} 00057 int GetNumberOfEdges() {return 12;} 00058 int GetNumberOfFaces() {return 6;} 00059 vtkCell *GetEdge(int edgeId); 00060 vtkCell *GetFace(int faceId); 00061 int CellBoundary(int subId, double pcoords[3], vtkIdList *pts); 00062 void Contour(double value, vtkDataArray *cellScalars, 00063 vtkPointLocator *locator, vtkCellArray *verts, 00064 vtkCellArray *lines, vtkCellArray *polys, 00065 vtkPointData *inPd, vtkPointData *outPd, 00066 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd); 00068 00069 int EvaluatePosition(double x[3], double* closestPoint, 00070 int& subId, double pcoords[3], 00071 double& dist2, double *weights); 00072 void EvaluateLocation(int& subId, double pcoords[3], double x[3], 00073 double *weights); 00074 int IntersectWithLine(double p1[3], double p2[3], double tol, double& t, 00075 double x[3], double pcoords[3], int& subId); 00076 int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts); 00077 void Derivatives(int subId, double pcoords[3], double *values, 00078 int dim, double *derivs); 00079 virtual double *GetParametricCoords(); 00080 00082 00084 static void InterpolationFunctions(double pcoords[3], double weights[8]); 00085 // Description: 00086 // @deprecated Replaced by vtkHexahedron::InterpolateDerivs as of VTK 5.2 00087 static void InterpolationDerivs(double pcoords[3], double derivs[24]); 00088 // Description: 00089 // Compute the interpolation functions/derivatives 00090 // (aka shape functions/derivatives) 00091 virtual void InterpolateFunctions(double pcoords[3], double weights[8]) 00092 { 00093 vtkHexahedron::InterpolationFunctions(pcoords,weights); 00094 } 00095 virtual void InterpolateDerivs(double pcoords[3], double derivs[24]) 00096 { 00097 vtkHexahedron::InterpolationDerivs(pcoords,derivs); 00098 } 00100 00102 00104 static int *GetEdgeArray(int edgeId); 00105 static int *GetFaceArray(int faceId); 00107 00111 void JacobianInverse(double pcoords[3], double **inverse, double derivs[24]); 00112 00113 protected: 00114 vtkHexahedron(); 00115 ~vtkHexahedron(); 00116 00117 vtkLine *Line; 00118 vtkQuad *Quad; 00119 00120 private: 00121 vtkHexahedron(const vtkHexahedron&); // Not implemented. 00122 void operator=(const vtkHexahedron&); // Not implemented. 00123 }; 00124 00125 #endif 00126 00127