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00049 #ifndef __vtkQuadraticTetra_h
00050 #define __vtkQuadraticTetra_h
00051
00052 #include "vtkNonLinearCell.h"
00053
00054 class vtkPolyData;
00055 class vtkQuadraticEdge;
00056 class vtkQuadraticTriangle;
00057 class vtkTetra;
00058
00059 class VTK_COMMON_EXPORT vtkQuadraticTetra : public vtkNonLinearCell
00060 {
00061 public:
00062 static vtkQuadraticTetra *New();
00063 vtkTypeRevisionMacro(vtkQuadraticTetra,vtkNonLinearCell);
00064
00066
00068 int GetCellType() {return VTK_QUADRATIC_TETRA;}
00069 int GetCellDimension() {return 3;}
00070 int GetNumberOfEdges() {return 6;}
00071 int GetNumberOfFaces() {return 4;}
00072 vtkCell *GetEdge(int);
00073 vtkCell *GetFace(int);
00075
00076 int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00077 void Contour(float value, vtkDataArray *cellScalars,
00078 vtkPointLocator *locator, vtkCellArray *verts,
00079 vtkCellArray *lines, vtkCellArray *polys,
00080 vtkPointData *inPd, vtkPointData *outPd,
00081 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00082 int EvaluatePosition(float x[3], float* closestPoint,
00083 int& subId, float pcoords[3],
00084 float& dist2, float *weights);
00085 void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00086 float *weights);
00087 int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00088 void Derivatives(int subId, float pcoords[3], float *values,
00089 int dim, float *derivs);
00090
00092
00094 void Clip(float value, vtkDataArray *cellScalars,
00095 vtkPointLocator *locator, vtkCellArray *tetras,
00096 vtkPointData *inPd, vtkPointData *outPd,
00097 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00098 int insideOut);
00100
00102
00104 int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00105 float x[3], float pcoords[3], int& subId);
00107
00108
00110 int GetParametricCenter(float pcoords[3]);
00111
00113
00114 static void InterpolationFunctions(float pcoords[3], float weights[3]);
00115 static void InterpolationDerivs(float pcoords[3], float derivs[3]);
00117
00121 void JacobianInverse(float pcoords[3], double **inverse, float derivs[30]);
00122
00123 protected:
00124 vtkQuadraticTetra();
00125 ~vtkQuadraticTetra();
00126
00127 vtkQuadraticEdge *Edge;
00128 vtkQuadraticTriangle *Face;
00129 vtkTetra *Tetra;
00130 vtkFloatArray *Scalars;
00131
00132 private:
00133 vtkQuadraticTetra(const vtkQuadraticTetra&);
00134 void operator=(const vtkQuadraticTetra&);
00135 };
00136
00137 #endif
00138
00139