dox / Filtering
vtkTriangleStrip.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkTriangleStrip.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 =========================================================================*/
00042 #ifndef __vtkTriangleStrip_h
00043 #define __vtkTriangleStrip_h
00044 
00045 #include "vtkCell.h"
00046 
00047 class vtkLine;
00048 class vtkTriangle;
00049 
00050 class VTK_FILTERING_EXPORT vtkTriangleStrip : public vtkCell
00051 {
00052 public:
00053   static vtkTriangleStrip *New();
00054   vtkTypeRevisionMacro(vtkTriangleStrip,vtkCell);
00055   void PrintSelf(ostream& os, vtkIndent indent);
00056 
00058 
00059   int GetCellType() {return VTK_TRIANGLE_STRIP;};
00060   int GetCellDimension() {return 2;};
00061   int GetNumberOfEdges() {return this->GetNumberOfPoints();};
00062   int GetNumberOfFaces() {return 0;};
00063   vtkCell *GetEdge(int edgeId);
00064   vtkCell *GetFace(int vtkNotUsed(faceId)) {return 0;};
00065   int CellBoundary(int subId, double pcoords[3], vtkIdList *pts);
00066   void Contour(double 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   void Clip(double value, vtkDataArray *cellScalars, 
00072             vtkPointLocator *locator, vtkCellArray *polys,
00073             vtkPointData *inPd, vtkPointData *outPd,
00074             vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00075             int insideOut);
00077 
00078   int EvaluatePosition(double x[3], double* closestPoint,
00079                        int& subId, double pcoords[3],
00080                        double& dist2, double *weights);
00081   void EvaluateLocation(int& subId, double pcoords[3], double x[3],
00082                         double *weights);
00083   int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
00084                         double x[3], double pcoords[3], int& subId);
00085   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00086   void Derivatives(int subId, double pcoords[3], double *values, 
00087                    int dim, double *derivs);
00088   int IsPrimaryCell() {return 0;}
00089 
00091   int GetParametricCenter(double pcoords[3]);
00092 
00096   static void DecomposeStrip(int npts, vtkIdType *pts, vtkCellArray *tris);
00097   
00098 
00099 protected:
00100   vtkTriangleStrip();
00101   ~vtkTriangleStrip();
00102 
00103   vtkLine *Line;
00104   vtkTriangle *Triangle;
00105   
00106 private:
00107   vtkTriangleStrip(const vtkTriangleStrip&);  // Not implemented.
00108   void operator=(const vtkTriangleStrip&);  // Not implemented.
00109 };
00110 
00111 #endif
00112 
00113