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dox/Common/vtkTriangleStrip.h

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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkTriangleStrip.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 =========================================================================*/ 00036 #ifndef __vtkTriangleStrip_h 00037 #define __vtkTriangleStrip_h 00038 00039 #include "vtkCell.h" 00040 00041 class vtkLine; 00042 class vtkTriangle; 00043 00044 class VTK_COMMON_EXPORT vtkTriangleStrip : public vtkCell 00045 { 00046 public: 00047 static vtkTriangleStrip *New(); 00048 vtkTypeRevisionMacro(vtkTriangleStrip,vtkCell); 00049 00051 00052 int GetCellType() {return VTK_TRIANGLE_STRIP;}; 00053 int GetCellDimension() {return 2;}; 00054 int GetNumberOfEdges() {return this->GetNumberOfPoints();}; 00055 int GetNumberOfFaces() {return 0;}; 00056 vtkCell *GetEdge(int edgeId); 00057 vtkCell *GetFace(int vtkNotUsed(faceId)) {return 0;}; 00058 int CellBoundary(int subId, float pcoords[3], vtkIdList *pts); 00059 void Contour(float value, vtkDataArray *cellScalars, 00060 vtkPointLocator *locator, vtkCellArray *verts, 00061 vtkCellArray *lines, vtkCellArray *polys, 00062 vtkPointData *inPd, vtkPointData *outPd, 00063 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd); 00064 void Clip(float value, vtkDataArray *cellScalars, 00065 vtkPointLocator *locator, vtkCellArray *polys, 00066 vtkPointData *inPd, vtkPointData *outPd, 00067 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, 00068 int insideOut); 00070 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 IntersectWithLine(float p1[3], float p2[3], float tol, float& t, 00077 float x[3], float pcoords[3], int& subId); 00078 int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts); 00079 void Derivatives(int subId, float pcoords[3], float *values, 00080 int dim, float *derivs); 00081 00083 int GetParametricCenter(float pcoords[3]); 00084 00088 static void DecomposeStrip(int npts, vtkIdType *pts, vtkCellArray *tris); 00089 00090 00091 protected: 00092 vtkTriangleStrip(); 00093 ~vtkTriangleStrip(); 00094 00095 vtkLine *Line; 00096 vtkTriangle *Triangle; 00097 00098 private: 00099 vtkTriangleStrip(const vtkTriangleStrip&); // Not implemented. 00100 void operator=(const vtkTriangleStrip&); // Not implemented. 00101 }; 00102 00103 #endif 00104 00105