vtkDelaunay3D.h
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00098 #ifndef __vtkDelaunay3D_h
00099 #define __vtkDelaunay3D_h
00100
00101 #include "vtkUnstructuredGridSource.h"
00102
00103 class vtkIdList;
00104 class vtkPointLocator;
00105 class vtkPointSet;
00106 class vtkPoints;
00107 class vtkTetraArray;
00108
00109 class VTK_GRAPHICS_EXPORT vtkDelaunay3D : public vtkUnstructuredGridSource
00110 {
00111 public:
00112 vtkTypeRevisionMacro(vtkDelaunay3D,vtkUnstructuredGridSource);
00113 void PrintSelf(ostream& os, vtkIndent indent);
00114
00117 static vtkDelaunay3D *New();
00118
00120
00124 vtkSetClampMacro(Alpha,float,0.0,VTK_LARGE_FLOAT);
00125 vtkGetMacro(Alpha,float);
00127
00129
00132 vtkSetClampMacro(Tolerance,float,0.0,1.0);
00133 vtkGetMacro(Tolerance,float);
00135
00137
00139 vtkSetClampMacro(Offset,float,2.5,VTK_LARGE_FLOAT);
00140 vtkGetMacro(Offset,float);
00142
00144
00148 vtkSetMacro(BoundingTriangulation,int);
00149 vtkGetMacro(BoundingTriangulation,int);
00150 vtkBooleanMacro(BoundingTriangulation,int);
00152
00154
00156 void SetLocator(vtkPointLocator *locator);
00157 vtkGetObjectMacro(Locator,vtkPointLocator);
00159
00162 void CreateDefaultLocator();
00163
00165
00175 vtkUnstructuredGrid *InitPointInsertion(float center[3], float length,
00176 vtkIdType numPts, vtkPoints* &pts);
00178
00180
00189 void InsertPoint(vtkUnstructuredGrid *Mesh, vtkPoints *points,
00190 vtkIdType id, float x[3], vtkIdList *holeTetras);
00192
00197 void EndPointInsertion();
00198
00200 unsigned long GetMTime();
00201
00203
00204 virtual void SetInput(vtkPointSet *input);
00205 vtkPointSet *GetInput();
00207
00208 protected:
00209 vtkDelaunay3D();
00210 ~vtkDelaunay3D();
00211
00212 void Execute();
00213
00214 float Alpha;
00215 float Tolerance;
00216 int BoundingTriangulation;
00217 float Offset;
00218
00219 vtkPointLocator *Locator;
00220
00221 vtkTetraArray *TetraArray;
00222 int FindTetra(vtkUnstructuredGrid *Mesh, double x[3], vtkIdType tetId,
00223 int depth);
00224 int InSphere(double x[3], vtkIdType tetraId);
00225 void InsertTetra(vtkUnstructuredGrid *Mesh, vtkPoints *pts,
00226 vtkIdType tetraId);
00227
00228 int NumberOfDuplicatePoints;
00229 int NumberOfDegeneracies;
00230
00231
00232 int *References;
00233
00234 vtkIdType FindEnclosingFaces(float x[3], vtkUnstructuredGrid *Mesh,
00235 vtkIdList *tetras, vtkIdList *faces,
00236 vtkPointLocator *Locator);
00237
00238 private:
00239 vtkIdList *Tetras;
00240 vtkIdList *Faces;
00241 vtkIdList *BoundaryPts;
00242 vtkIdList *CheckedTetras;
00243 vtkIdList *NeiTetras;
00244
00245 private:
00246 vtkDelaunay3D(const vtkDelaunay3D&);
00247 void operator=(const vtkDelaunay3D&);
00248 };
00249
00250 #endif
00251
00252