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dox/Common/vtkHexahedron.h

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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkHexahedron.h,v $ 00005 Language: C++ 00006 00007 Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 00008 All rights reserved. 00009 See Copyright.txt or http://www.kitware.com/Copyright.htm for details. 00010 00011 This software is distributed WITHOUT ANY WARRANTY; without even 00012 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00013 PURPOSE. See the above copyright notice for more information. 00014 00015 =========================================================================*/ 00037 #ifndef __vtkHexahedron_h 00038 #define __vtkHexahedron_h 00039 00040 #include "vtkCell3D.h" 00041 00042 class vtkLine; 00043 class vtkQuad; 00044 00045 class VTK_COMMON_EXPORT vtkHexahedron : public vtkCell3D 00046 { 00047 public: 00048 static vtkHexahedron *New(); 00049 vtkTypeRevisionMacro(vtkHexahedron,vtkCell3D); 00050 00052 00053 virtual void GetEdgePoints(int edgeId, int* &pts); 00054 virtual void GetFacePoints(int faceId, int* &pts); 00055 virtual float *GetParametricCoords(); 00057 00059 00060 int GetCellType() {return VTK_HEXAHEDRON;} 00061 int GetNumberOfEdges() {return 12;} 00062 int GetNumberOfFaces() {return 6;} 00063 vtkCell *GetEdge(int edgeId); 00064 vtkCell *GetFace(int faceId); 00065 int CellBoundary(int subId, float pcoords[3], vtkIdList *pts); 00066 void Contour(float 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); 00072 00073 int EvaluatePosition(float x[3], float* closestPoint, 00074 int& subId, float pcoords[3], 00075 float& dist2, float *weights); 00076 void EvaluateLocation(int& subId, float pcoords[3], float x[3], 00077 float *weights); 00078 int IntersectWithLine(float p1[3], float p2[3], float tol, float& t, 00079 float x[3], float pcoords[3], int& subId); 00080 int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts); 00081 void Derivatives(int subId, float pcoords[3], float *values, 00082 int dim, float *derivs); 00083 00085 00086 static void InterpolationFunctions(float pcoords[3], float weights[8]); 00087 static void InterpolationDerivs(float pcoords[3], float derivs[24]); 00088 static int *GetEdgeArray(int edgeId); 00089 static int *GetFaceArray(int faceId); 00091 00095 void JacobianInverse(float pcoords[3], double **inverse, float derivs[24]); 00096 00097 protected: 00098 vtkHexahedron(); 00099 ~vtkHexahedron(); 00100 00101 vtkLine *Line; 00102 vtkQuad *Quad; 00103 00104 private: 00105 vtkHexahedron(const vtkHexahedron&); // Not implemented. 00106 void operator=(const vtkHexahedron&); // Not implemented. 00107 }; 00108 00109 #endif 00110 00111