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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 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 =========================================================================*/ 00039 #ifndef __vtkQuadraticTriangle_h 00040 #define __vtkQuadraticTriangle_h 00041 00042 #include "vtkNonLinearCell.h" 00043 00044 class vtkPolyData; 00045 class vtkQuadraticEdge; 00046 class vtkTriangle; 00047 00048 class VTK_COMMON_EXPORT vtkQuadraticTriangle : public vtkNonLinearCell 00049 { 00050 public: 00051 static vtkQuadraticTriangle *New(); 00052 vtkTypeRevisionMacro(vtkQuadraticTriangle,vtkNonLinearCell); 00053 00055 00057 int GetCellType() {return VTK_QUADRATIC_TRIANGLE;}; 00058 int GetCellDimension() {return 2;} 00059 int GetNumberOfEdges() {return 3;} 00060 int GetNumberOfFaces() {return 0;} 00061 vtkCell *GetEdge(int edgeId); 00062 vtkCell *GetFace(int) {return 0;} 00064 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); 00071 int EvaluatePosition(float x[3], float* closestPoint, 00072 int& subId, float pcoords[3], 00073 float& dist2, float *weights); 00074 void EvaluateLocation(int& subId, float pcoords[3], float x[3], 00075 float *weights); 00076 int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts); 00077 void Derivatives(int subId, float pcoords[3], float *values, 00078 int dim, float *derivs); 00079 00081 00084 void Clip(float value, vtkDataArray *cellScalars, 00085 vtkPointLocator *locator, vtkCellArray *polys, 00086 vtkPointData *inPd, vtkPointData *outPd, 00087 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, 00088 int insideOut); 00090 00092 00094 int IntersectWithLine(float p1[3], float p2[3], float tol, float& t, 00095 float x[3], float pcoords[3], int& subId); 00097 00098 00101 int GetParametricCenter(float pcoords[3]); 00102 00104 00105 static void InterpolationFunctions(float pcoords[3], float weights[3]); 00106 static void InterpolationDerivs(float pcoords[3], float derivs[3]); 00108 00109 protected: 00110 vtkQuadraticTriangle(); 00111 ~vtkQuadraticTriangle(); 00112 00113 vtkQuadraticEdge *Edge; 00114 vtkTriangle *Face; 00115 vtkFloatArray *Scalars; //used to avoid New/Delete in contouring/clipping 00116 00117 private: 00118 vtkQuadraticTriangle(const vtkQuadraticTriangle&); // Not implemented. 00119 void operator=(const vtkQuadraticTriangle&); // Not implemented. 00120 }; 00121 00122 #endif 00123 00124