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dox/Common/vtkPolyLine.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkPolyLine.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 =========================================================================*/
00032 #ifndef __vtkPolyLine_h
00033 #define __vtkPolyLine_h
00034 
00035 #include "vtkCell.h"
00036 
00037 //#include "vtkPoints.h"
00038 //#include "vtkCellArray.h"
00039 //#include "vtkLine.h"
00040 class vtkPoints;
00041 class vtkCellArray;
00042 class vtkLine;
00043 class vtkDataArray;
00044 class vtkPointLocator;
00045 class vtkCellData;
00046 
00047 class VTK_COMMON_EXPORT vtkPolyLine : public vtkCell
00048 {
00049 public:
00050   static vtkPolyLine *New();
00051   vtkTypeRevisionMacro(vtkPolyLine,vtkCell);
00052 
00058   int GenerateSlidingNormals(vtkPoints *, vtkCellArray *, vtkDataArray *);
00059 
00061 
00062   int GetCellType() {return VTK_POLY_LINE;};
00063   int GetCellDimension() {return 1;};
00064   int GetNumberOfEdges() {return 0;};
00065   int GetNumberOfFaces() {return 0;};
00066   vtkCell *GetEdge(int vtkNotUsed(edgeId)) {return 0;};
00067   vtkCell *GetFace(int vtkNotUsed(faceId)) {return 0;};
00068   int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00069   void Contour(float value, vtkDataArray *cellScalars, 
00070                vtkPointLocator *locator, vtkCellArray *verts, 
00071                vtkCellArray *lines, vtkCellArray *polys, 
00072                vtkPointData *inPd, vtkPointData *outPd,
00073                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00074   void Clip(float value, vtkDataArray *cellScalars, 
00075             vtkPointLocator *locator, vtkCellArray *lines,
00076             vtkPointData *inPd, vtkPointData *outPd,
00077             vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00078             int insideOut);
00079   int EvaluatePosition(float x[3], float* closestPoint,
00080                        int& subId, float pcoords[3],
00081                        float& dist2, float *weights);
00082   void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00083                         float *weights);
00084   int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00085                         float x[3], float pcoords[3], int& subId);
00086   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00087   void Derivatives(int subId, float pcoords[3], float *values, 
00088                    int dim, float *derivs);
00090 
00092   int GetParametricCenter(float pcoords[3]);
00093 
00094   
00095 protected:
00096   vtkPolyLine();
00097   ~vtkPolyLine();
00098 
00099   vtkLine *Line;
00100 
00101 private:
00102   vtkPolyLine(const vtkPolyLine&);  // Not implemented.
00103   void operator=(const vtkPolyLine&);  // Not implemented.
00104 };
00105 
00106 #endif
00107 
00108