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Common/vtkPolyLine.h

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 =========================================================================*/
00045 #ifndef __vtkPolyLine_h
00046 #define __vtkPolyLine_h
00047 
00048 #include "vtkCell.h"
00049 
00050 //#include "vtkPoints.h"
00051 //#include "vtkCellArray.h"
00052 //#include "vtkLine.h"
00053 class vtkPoints;
00054 class vtkCellArray;
00055 class vtkLine;
00056 class vtkDataArray;
00057 class vtkPointLocator;
00058 class vtkCellData;
00059 
00060 class VTK_COMMON_EXPORT vtkPolyLine : public vtkCell
00061 {
00062 public:
00063   static vtkPolyLine *New();
00064   vtkTypeRevisionMacro(vtkPolyLine,vtkCell);
00065 
00071   int GenerateSlidingNormals(vtkPoints *, vtkCellArray *, vtkDataArray *);
00072 
00074 
00075   int GetCellType() {return VTK_POLY_LINE;};
00076   int GetCellDimension() {return 1;};
00077   int GetNumberOfEdges() {return 0;};
00078   int GetNumberOfFaces() {return 0;};
00079   vtkCell *GetEdge(int vtkNotUsed(edgeId)) {return 0;};
00080   vtkCell *GetFace(int vtkNotUsed(faceId)) {return 0;};
00081   int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00082   void Contour(float value, vtkDataArray *cellScalars, 
00083                vtkPointLocator *locator, vtkCellArray *verts, 
00084                vtkCellArray *lines, vtkCellArray *polys, 
00085                vtkPointData *inPd, vtkPointData *outPd,
00086                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00087   void Clip(float value, vtkDataArray *cellScalars, 
00088             vtkPointLocator *locator, vtkCellArray *lines,
00089             vtkPointData *inPd, vtkPointData *outPd,
00090             vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00091             int insideOut);
00092   int EvaluatePosition(float x[3], float* closestPoint,
00093                        int& subId, float pcoords[3],
00094                        float& dist2, float *weights);
00095   void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00096                         float *weights);
00097   int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00098                         float x[3], float pcoords[3], int& subId);
00099   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00100   void Derivatives(int subId, float pcoords[3], float *values, 
00101                    int dim, float *derivs);
00103 
00105   int GetParametricCenter(float pcoords[3]);
00106 
00107   
00108 protected:
00109   vtkPolyLine();
00110   ~vtkPolyLine();
00111 
00112   vtkLine *Line;
00113 
00114 private:
00115   vtkPolyLine(const vtkPolyLine&);  // Not implemented.
00116   void operator=(const vtkPolyLine&);  // Not implemented.
00117 };
00118 
00119 #endif
00120 
00121