00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00049 #ifndef __vtkQuadraticQuad_h
00050 #define __vtkQuadraticQuad_h
00051
00052 #include "vtkNonLinearCell.h"
00053
00054 class vtkPolyData;
00055 class vtkQuadraticEdge;
00056 class vtkQuad;
00057 class vtkPointData;
00058 class vtkCellData;
00059
00060 class VTK_COMMON_EXPORT vtkQuadraticQuad : public vtkNonLinearCell
00061 {
00062 public:
00063 static vtkQuadraticQuad *New();
00064 vtkTypeRevisionMacro(vtkQuadraticQuad,vtkNonLinearCell);
00065
00067
00069 int GetCellType() {return VTK_QUADRATIC_QUAD;};
00070 int GetCellDimension() {return 2;}
00071 int GetNumberOfEdges() {return 4;}
00072 int GetNumberOfFaces() {return 0;}
00073 vtkCell *GetEdge(int);
00074 vtkCell *GetFace(int) {return 0;}
00076
00077 int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00078 void Contour(float value, vtkDataArray *cellScalars,
00079 vtkPointLocator *locator, vtkCellArray *verts,
00080 vtkCellArray *lines, vtkCellArray *polys,
00081 vtkPointData *inPd, vtkPointData *outPd,
00082 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00083 int EvaluatePosition(float x[3], float* closestPoint,
00084 int& subId, float pcoords[3],
00085 float& dist2, float *weights);
00086 void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00087 float *weights);
00088 int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00089 void Derivatives(int subId, float pcoords[3], float *values,
00090 int dim, float *derivs);
00091
00093
00095 void Clip(float value, vtkDataArray *cellScalars,
00096 vtkPointLocator *locator, vtkCellArray *polys,
00097 vtkPointData *inPd, vtkPointData *outPd,
00098 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00099 int insideOut);
00101
00103
00105 int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00106 float x[3], float pcoords[3], int& subId);
00108
00109
00111
00112 static void InterpolationFunctions(float pcoords[3], float weights[8]);
00113 static void InterpolationDerivs(float pcoords[3], float derivs[16]);
00115
00116 protected:
00117 vtkQuadraticQuad();
00118 ~vtkQuadraticQuad();
00119
00120 vtkQuadraticEdge *Edge;
00121 vtkQuad *Quad;
00122 vtkPointData *PointData;
00123 vtkCellData *CellData;
00124 vtkFloatArray *Scalars;
00125
00126 void Subdivide(float *weights);
00127 void InterpolateAttributes(vtkPointData *inPd, vtkCellData *inCd,
00128 vtkIdType cellId, float *weights);
00129
00130 private:
00131 vtkQuadraticQuad(const vtkQuadraticQuad&);
00132 void operator=(const vtkQuadraticQuad&);
00133 };
00134
00135 #endif
00136
00137