dox / Filtering
vtkLine.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkLine.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 =========================================================================*/
00037 #ifndef __vtkLine_h
00038 #define __vtkLine_h
00039 
00040 #include "vtkCell.h"
00041 
00042 class VTK_FILTERING_EXPORT vtkLine : public vtkCell
00043 {
00044 public:
00045   static vtkLine *New();
00046   vtkTypeRevisionMacro(vtkLine,vtkCell);
00047   void PrintSelf(ostream& os, vtkIndent indent);
00048 
00050 
00051   int GetCellType() {return VTK_LINE;};
00052   int GetCellDimension() {return 1;};
00053   int GetNumberOfEdges() {return 0;};
00054   int GetNumberOfFaces() {return 0;};
00055   vtkCell *GetEdge(int) {return 0;};
00056   vtkCell *GetFace(int) {return 0;};
00057   int CellBoundary(int subId, double pcoords[3], vtkIdList *pts);
00058   void Contour(double value, vtkDataArray *cellScalars, 
00059                vtkPointLocator *locator, vtkCellArray *verts, 
00060                vtkCellArray *lines, vtkCellArray *polys, 
00061                vtkPointData *inPd, vtkPointData *outPd,
00062                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00063   int EvaluatePosition(double x[3], double* closestPoint,
00064                        int& subId, double pcoords[3], 
00065                        double& dist2, double *weights);
00066   void EvaluateLocation(int& subId, double pcoords[3], double x[3],
00067                         double *weights);
00068   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00069   void Derivatives(int subId, double pcoords[3], double *values, 
00070                    int dim, double *derivs);
00071   virtual double *GetParametricCoords();
00073 
00075 
00077   void Clip(double value, vtkDataArray *cellScalars, 
00078             vtkPointLocator *locator, vtkCellArray *lines,
00079             vtkPointData *inPd, vtkPointData *outPd,
00080             vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00081             int insideOut);
00083 
00085 
00087   int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
00088                         double x[3], double pcoords[3], int& subId);
00090 
00091 
00093 
00098   static int Intersection(double p1[3], double p2[3], 
00099                           double x1[3], double x2[3],
00100                           double& u, double& v);
00102 
00103   
00105 
00107   static double DistanceToLine(double x[3], double p1[3], double p2[3], 
00108                               double &t, double closestPoint[3]);
00110   
00111   
00115   static double DistanceToLine(double x[3], double p1[3], double p2[3]);
00116 
00118   static void InterpolationFunctions(double pcoords[3], double weights[2]);
00119 
00120 protected:
00121   vtkLine();
00122   ~vtkLine() {};
00123 
00124 private:
00125   vtkLine(const vtkLine&);  // Not implemented.
00126   void operator=(const vtkLine&);  // Not implemented.
00127 };
00128 
00129 #endif
00130 
00131