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dox/Common/vtkQuadraticTriangle.h

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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkQuadraticTriangle.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 =========================================================================*/ 00035 #ifndef __vtkQuadraticTriangle_h 00036 #define __vtkQuadraticTriangle_h 00037 00038 #include "vtkNonLinearCell.h" 00039 00040 class vtkPolyData; 00041 class vtkQuadraticEdge; 00042 class vtkTriangle; 00043 class vtkDoubleArray; 00044 00045 class VTK_COMMON_EXPORT vtkQuadraticTriangle : public vtkNonLinearCell 00046 { 00047 public: 00048 static vtkQuadraticTriangle *New(); 00049 vtkTypeRevisionMacro(vtkQuadraticTriangle,vtkNonLinearCell); 00050 00052 00054 int GetCellType() {return VTK_QUADRATIC_TRIANGLE;}; 00055 int GetCellDimension() {return 2;} 00056 int GetNumberOfEdges() {return 3;} 00057 int GetNumberOfFaces() {return 0;} 00058 vtkCell *GetEdge(int edgeId); 00059 vtkCell *GetFace(int) {return 0;} 00061 00062 int CellBoundary(int subId, double pcoords[3], vtkIdList *pts); 00063 void Contour(double value, vtkDataArray *cellScalars, 00064 vtkPointLocator *locator, vtkCellArray *verts, 00065 vtkCellArray *lines, vtkCellArray *polys, 00066 vtkPointData *inPd, vtkPointData *outPd, 00067 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd); 00068 int EvaluatePosition(double x[3], double* closestPoint, 00069 int& subId, double pcoords[3], 00070 double& dist2, double *weights); 00071 void EvaluateLocation(int& subId, double pcoords[3], double x[3], 00072 double *weights); 00073 int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts); 00074 void Derivatives(int subId, double pcoords[3], double *values, 00075 int dim, double *derivs); 00076 virtual double *GetParametricCoords(); 00077 00079 00082 void Clip(double value, vtkDataArray *cellScalars, 00083 vtkPointLocator *locator, vtkCellArray *polys, 00084 vtkPointData *inPd, vtkPointData *outPd, 00085 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, 00086 int insideOut); 00088 00090 00092 int IntersectWithLine(double p1[3], double p2[3], double tol, double& t, 00093 double x[3], double pcoords[3], int& subId); 00095 00096 00099 int GetParametricCenter(double pcoords[3]); 00100 00103 double GetParametricDistance(double pcoords[3]); 00104 00106 00107 static void InterpolationFunctions(double pcoords[3], double weights[6]); 00108 static void InterpolationDerivs(double pcoords[3], double derivs[12]); 00110 00111 protected: 00112 vtkQuadraticTriangle(); 00113 ~vtkQuadraticTriangle(); 00114 00115 vtkQuadraticEdge *Edge; 00116 vtkTriangle *Face; 00117 vtkDoubleArray *Scalars; //used to avoid New/Delete in contouring/clipping 00118 00119 private: 00120 vtkQuadraticTriangle(const vtkQuadraticTriangle&); // Not implemented. 00121 void operator=(const vtkQuadraticTriangle&); // Not implemented. 00122 }; 00123 00124 #endif 00125 00126