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00039 #ifndef __vtkQuadraticTetra_h
00040 #define __vtkQuadraticTetra_h
00041
00042 #include "vtkNonLinearCell.h"
00043
00044 class vtkPolyData;
00045 class vtkQuadraticEdge;
00046 class vtkQuadraticTriangle;
00047 class vtkTetra;
00048
00049 class VTK_COMMON_EXPORT vtkQuadraticTetra : public vtkNonLinearCell
00050 {
00051 public:
00052 static vtkQuadraticTetra *New();
00053 vtkTypeRevisionMacro(vtkQuadraticTetra,vtkNonLinearCell);
00054
00056
00058 int GetCellType() {return VTK_QUADRATIC_TETRA;}
00059 int GetCellDimension() {return 3;}
00060 int GetNumberOfEdges() {return 6;}
00061 int GetNumberOfFaces() {return 4;}
00062 vtkCell *GetEdge(int);
00063 vtkCell *GetFace(int);
00065
00066 int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00067 void Contour(float value, vtkDataArray *cellScalars,
00068 vtkPointLocator *locator, vtkCellArray *verts,
00069 vtkCellArray *lines, vtkCellArray *polys,
00070 vtkPointData *inPd, vtkPointData *outPd,
00071 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00072 int EvaluatePosition(float x[3], float* closestPoint,
00073 int& subId, float pcoords[3],
00074 float& dist2, float *weights);
00075 void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00076 float *weights);
00077 int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00078 void Derivatives(int subId, float pcoords[3], float *values,
00079 int dim, float *derivs);
00080
00082
00084 void Clip(float value, vtkDataArray *cellScalars,
00085 vtkPointLocator *locator, vtkCellArray *tetras,
00086 vtkPointData *inPd, vtkPointData *outPd,
00087 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00088 int insideOut);
00090
00092
00094 int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00095 float x[3], float pcoords[3], int& subId);
00097
00098
00100 int GetParametricCenter(float pcoords[3]);
00101
00103
00104 static void InterpolationFunctions(float pcoords[3], float weights[3]);
00105 static void InterpolationDerivs(float pcoords[3], float derivs[3]);
00107
00111 void JacobianInverse(float pcoords[3], double **inverse, float derivs[30]);
00112
00113 protected:
00114 vtkQuadraticTetra();
00115 ~vtkQuadraticTetra();
00116
00117 vtkQuadraticEdge *Edge;
00118 vtkQuadraticTriangle *Face;
00119 vtkTetra *Tetra;
00120 vtkFloatArray *Scalars;
00121
00122 private:
00123 vtkQuadraticTetra(const vtkQuadraticTetra&);
00124 void operator=(const vtkQuadraticTetra&);
00125 };
00126
00127 #endif
00128
00129