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00031 #ifndef __vtkLine_h
00032 #define __vtkLine_h
00033
00034 #include "vtkCell.h"
00035
00036 class VTK_COMMON_EXPORT vtkLine : public vtkCell
00037 {
00038 public:
00039 static vtkLine *New();
00040 vtkTypeRevisionMacro(vtkLine,vtkCell);
00041
00043
00044 int GetCellType() {return VTK_LINE;};
00045 int GetCellDimension() {return 1;};
00046 int GetNumberOfEdges() {return 0;};
00047 int GetNumberOfFaces() {return 0;};
00048 vtkCell *GetEdge(int) {return 0;};
00049 vtkCell *GetFace(int) {return 0;};
00050 int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00051 void Contour(float value, vtkDataArray *cellScalars,
00052 vtkPointLocator *locator, vtkCellArray *verts,
00053 vtkCellArray *lines, vtkCellArray *polys,
00054 vtkPointData *inPd, vtkPointData *outPd,
00055 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00056 int EvaluatePosition(float x[3], float* closestPoint,
00057 int& subId, float pcoords[3],
00058 float& dist2, float *weights);
00059 void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00060 float *weights);
00061 int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00062 void Derivatives(int subId, float pcoords[3], float *values,
00063 int dim, float *derivs);
00065
00067
00069 void Clip(float value, vtkDataArray *cellScalars,
00070 vtkPointLocator *locator, vtkCellArray *lines,
00071 vtkPointData *inPd, vtkPointData *outPd,
00072 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00073 int insideOut);
00075
00077
00079 int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00080 float x[3], float pcoords[3], int& subId);
00082
00083
00085
00090 static int Intersection(float p1[3], float p2[3], float x1[3], float x2[3],
00091 float& u, float& v);
00093
00094
00096
00098 static float DistanceToLine(float x[3], float p1[3], float p2[3],
00099 float &t, float closestPoint[3]);
00101
00102
00106 static float DistanceToLine(float x[3], float p1[3], float p2[3]);
00107
00109 static void InterpolationFunctions(float pcoords[3], float weights[2]);
00110
00111 protected:
00112 vtkLine();
00113 ~vtkLine() {};
00114
00115 private:
00116 vtkLine(const vtkLine&);
00117 void operator=(const vtkLine&);
00118 };
00119
00120 #endif
00121
00122