Main Page | Class Hierarchy | Alphabetical List | Class List | File List | Class Members | File Members | Related Pages
Common/vtkLine.h

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkLine.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 =========================================================================*/
00043 #ifndef __vtkLine_h
00044 #define __vtkLine_h
00045 
00046 #include "vtkCell.h"
00047 
00048 class VTK_COMMON_EXPORT vtkLine : public vtkCell
00049 {
00050 public:
00051   static vtkLine *New();
00052   vtkTypeRevisionMacro(vtkLine,vtkCell);
00053 
00055 
00056   int GetCellType() {return VTK_LINE;};
00057   int GetCellDimension() {return 1;};
00058   int GetNumberOfEdges() {return 0;};
00059   int GetNumberOfFaces() {return 0;};
00060   vtkCell *GetEdge(int) {return 0;};
00061   vtkCell *GetFace(int) {return 0;};
00062   int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00063   void Contour(float value, vtkDataArray *cellScalars, 
00064                vtkPointLocator *locator, vtkCellArray *verts, 
00065                vtkCellArray *lines, vtkCellArray *polys, 
00066                vtkPointData *inPd, vtkPointData *outPd,
00067                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00068   int EvaluatePosition(float x[3], float* closestPoint,
00069                        int& subId, float pcoords[3], 
00070                        float& dist2, float *weights);
00071   void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00072                         float *weights);
00073   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00074   void Derivatives(int subId, float pcoords[3], float *values, 
00075                    int dim, float *derivs);
00077 
00079 
00081   void Clip(float value, vtkDataArray *cellScalars, 
00082             vtkPointLocator *locator, vtkCellArray *lines,
00083             vtkPointData *inPd, vtkPointData *outPd,
00084             vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00085             int insideOut);
00087 
00089 
00091   int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00092                         float x[3], float pcoords[3], int& subId);
00094 
00095 
00097 
00102   static int Intersection(float p1[3], float p2[3], float x1[3], float x2[3],
00103                           float& u, float& v);
00105 
00106   
00108 
00110   static float DistanceToLine(float x[3], float p1[3], float p2[3], 
00111                               float &t, float closestPoint[3]);
00113   
00114   
00118   static float DistanceToLine(float x[3], float p1[3], float p2[3]);
00119 
00121   static void InterpolationFunctions(float pcoords[3], float weights[2]);
00122 
00123 protected:
00124   vtkLine();
00125   ~vtkLine() {};
00126 
00127 private:
00128   vtkLine(const vtkLine&);  // Not implemented.
00129   void operator=(const vtkLine&);  // Not implemented.
00130 };
00131 
00132 #endif
00133 
00134