VTK
|
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 =========================================================================*/ 00027 #ifndef __vtkQuad_h 00028 #define __vtkQuad_h 00029 00030 #include "vtkCell.h" 00031 00032 class vtkLine; 00033 class vtkTriangle; 00034 00035 class VTK_FILTERING_EXPORT vtkQuad : public vtkCell 00036 { 00037 public: 00038 static vtkQuad *New(); 00039 vtkTypeRevisionMacro(vtkQuad,vtkCell); 00040 void PrintSelf(ostream& os, vtkIndent indent); 00041 00043 00044 int GetCellType() {return VTK_QUAD;}; 00045 int GetCellDimension() {return 2;}; 00046 int GetNumberOfEdges() {return 4;}; 00047 int GetNumberOfFaces() {return 0;}; 00048 vtkCell *GetEdge(int edgeId); 00049 vtkCell *GetFace(int) {return 0;}; 00050 int CellBoundary(int subId, double pcoords[3], vtkIdList *pts); 00051 void Contour(double value, vtkDataArray *cellScalars, 00052 vtkPointLocator *locator, vtkCellArray *verts, 00053 vtkCellArray *lines, vtkCellArray *polys, 00054 vtkPointData *inPd, vtkPointData *outPd, 00055 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd); 00056 int EvaluatePosition(double x[3], double* closestPoint, 00057 int& subId, double pcoords[3], 00058 double& dist2, double *weights); 00059 void EvaluateLocation(int& subId, double pcoords[3], double x[3], 00060 double *weights); 00061 int IntersectWithLine(double p1[3], double p2[3], double tol, double& t, 00062 double x[3], double pcoords[3], int& subId); 00063 int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts); 00064 void Derivatives(int subId, double pcoords[3], double *values, 00065 int dim, double *derivs); 00066 virtual double *GetParametricCoords(); 00068 00070 int GetParametricCenter(double pcoords[3]); 00071 00073 00075 void Clip(double value, vtkDataArray *cellScalars, 00076 vtkPointLocator *locator, vtkCellArray *polys, 00077 vtkPointData *inPd, vtkPointData *outPd, 00078 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, 00079 int insideOut); 00081 00083 00084 static void InterpolationFunctions(double pcoords[3], double sf[4]); 00085 // Description: 00086 // @deprecated Replaced by vtkQuad::InterpolateDerivs as of VTK 5.2 00087 static void InterpolationDerivs(double pcoords[3], double derivs[8]); 00088 // Description: 00089 // Compute the interpolation functions/derivatives 00090 // (aka shape functions/derivatives) 00091 virtual void InterpolateFunctions(double pcoords[3], double sf[4]) 00092 { 00093 vtkQuad::InterpolationFunctions(pcoords,sf); 00094 } 00095 virtual void InterpolateDerivs(double pcoords[3], double derivs[8]) 00096 { 00097 vtkQuad::InterpolationDerivs(pcoords,derivs); 00098 } 00100 00103 int *GetEdgeArray(int edgeId); 00104 00105 protected: 00106 vtkQuad(); 00107 ~vtkQuad(); 00108 00109 vtkLine *Line; 00110 vtkTriangle *Triangle; 00111 00112 private: 00113 vtkQuad(const vtkQuad&); // Not implemented. 00114 void operator=(const vtkQuad&); // Not implemented. 00115 }; 00116 //---------------------------------------------------------------------------- 00117 inline int vtkQuad::GetParametricCenter(double pcoords[3]) 00118 { 00119 pcoords[0] = pcoords[1] = 0.5; 00120 pcoords[2] = 0.0; 00121 return 0; 00122 } 00123 00124 00125 #endif 00126 00127