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dox/Common/vtkQuad.h

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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkQuad.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 =========================================================================*/ 00030 #ifndef __vtkQuad_h 00031 #define __vtkQuad_h 00032 00033 #include "vtkCell.h" 00034 00035 class vtkLine; 00036 class vtkTriangle; 00037 00038 class VTK_COMMON_EXPORT vtkQuad : public vtkCell 00039 { 00040 public: 00041 static vtkQuad *New(); 00042 vtkTypeRevisionMacro(vtkQuad,vtkCell); 00043 00045 00046 int GetCellType() {return VTK_QUAD;}; 00047 int GetCellDimension() {return 2;}; 00048 int GetNumberOfEdges() {return 4;}; 00049 int GetNumberOfFaces() {return 0;}; 00050 vtkCell *GetEdge(int edgeId); 00051 vtkCell *GetFace(int) {return 0;}; 00052 int CellBoundary(int subId, double pcoords[3], vtkIdList *pts); 00053 void Contour(double value, vtkDataArray *cellScalars, 00054 vtkPointLocator *locator, vtkCellArray *verts, 00055 vtkCellArray *lines, vtkCellArray *polys, 00056 vtkPointData *inPd, vtkPointData *outPd, 00057 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd); 00058 int EvaluatePosition(double x[3], double* closestPoint, 00059 int& subId, double pcoords[3], 00060 double& dist2, double *weights); 00061 void EvaluateLocation(int& subId, double pcoords[3], double x[3], 00062 double *weights); 00063 int IntersectWithLine(double p1[3], double p2[3], double tol, double& t, 00064 double x[3], double pcoords[3], int& subId); 00065 int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts); 00066 void Derivatives(int subId, double pcoords[3], double *values, 00067 int dim, double *derivs); 00068 virtual double *GetParametricCoords(); 00070 00072 00074 void Clip(double value, vtkDataArray *cellScalars, 00075 vtkPointLocator *locator, vtkCellArray *polys, 00076 vtkPointData *inPd, vtkPointData *outPd, 00077 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, 00078 int insideOut); 00080 00082 00083 static void InterpolationFunctions(double pcoords[3], double sf[4]); 00084 static void InterpolationDerivs(double pcoords[3], double derivs[8]); 00086 00087 protected: 00088 vtkQuad(); 00089 ~vtkQuad(); 00090 00091 vtkLine *Line; 00092 vtkTriangle *Triangle; 00093 00094 private: 00095 vtkQuad(const vtkQuad&); // Not implemented. 00096 void operator=(const vtkQuad&); // Not implemented. 00097 }; 00098 00099 #endif 00100 00101