Graphics/vtkRectilinearGridToTetrahedra.h
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00048 #ifndef __vtkRectilinearGridToTetrahedra_h
00049 #define __vtkRectilinearGridToTetrahedra_h
00050
00051
00052 #define VTK_VOXEL_TO_12_TET 12
00053 #define VTK_VOXEL_TO_5_TET 5
00054 #define VTK_VOXEL_TO_6_TET 6
00055 #define VTK_VOXEL_TO_5_AND_12_TET -1
00056
00057 #include "vtkUnstructuredGridSource.h"
00058 class vtkRectilinearGrid;
00059 class vtkCharArray;
00060 class vtkIdList;
00061 class vtkCellArray;
00062 class vtkPoints;
00063
00064 class VTK_GRAPHICS_EXPORT vtkRectilinearGridToTetrahedra : public vtkUnstructuredGridSource
00065 {
00066 public:
00067 vtkTypeRevisionMacro(vtkRectilinearGridToTetrahedra,vtkUnstructuredGridSource);
00068 void PrintSelf(ostream& os, vtkIndent indent);
00069
00071 static vtkRectilinearGridToTetrahedra *New();
00072
00074
00076 void SetTetraPerCellTo5() {SetTetraPerCell(VTK_VOXEL_TO_5_TET);};
00077 void SetTetraPerCellTo6() {SetTetraPerCell(VTK_VOXEL_TO_6_TET);};
00078 void SetTetraPerCellTo12() {SetTetraPerCell(VTK_VOXEL_TO_12_TET);};
00079 void SetTetraPerCellTo5And12() {SetTetraPerCell(VTK_VOXEL_TO_5_AND_12_TET);};
00080 vtkSetMacro(TetraPerCell,int);
00081 vtkGetMacro(TetraPerCell,int);
00083
00085
00087 vtkSetMacro(RememberVoxelId,int);
00088 vtkGetMacro(RememberVoxelId,int);
00089 vtkBooleanMacro(RememberVoxelId,int);
00091
00093
00098 void SetInput(const double Extent[3], const double Spacing[3],
00099 const double tol=0.001);
00100
00101
00102 void SetInput(const double ExtentX,
00103 const double ExtentY,
00104 const double ExtentZ,
00105 const double SpacingX,
00106 const double SpacingY,
00107 const double SpacingZ,
00108 const double tol=0.001);
00110
00112
00115 void SetInput(vtkRectilinearGrid *input);
00116 vtkRectilinearGrid *GetInput();
00118
00119 protected:
00120 vtkRectilinearGridToTetrahedra();
00121 ~vtkRectilinearGridToTetrahedra() {};
00122
00123 void Execute();
00124
00125 int RememberVoxelId;
00126 int TetraPerCell;
00127
00128 private:
00129 vtkRectilinearGridToTetrahedra(const vtkRectilinearGridToTetrahedra&);
00130
00131 void operator=(const vtkRectilinearGridToTetrahedra&);
00132
00133
00135
00138 static void DetermineGridDivisionTypes(vtkRectilinearGrid *RectGrid,
00139 vtkCharArray *VoxelSubdivisionType,
00140 const int &TetraPerCell);
00142
00144
00145 static void GridToTetMesh(vtkRectilinearGrid *RectGrid,
00146 vtkCharArray *VoxelSubdivisionType,
00147 const int &TetraPerCell,
00148 const int &RememberVoxelId,
00149 vtkUnstructuredGrid *TetMesh);
00151
00153
00157 static int TetrahedralizeVoxel(vtkIdList *VoxelCorners,
00158 const int &DivisionType,
00159 vtkPoints *NodeList,
00160 vtkCellArray *TetList);
00162
00164
00166 static inline void TetrahedralizeAddCenterPoint(vtkIdList *VoxelCorners,
00167 vtkPoints *NodeList);
00169
00170 };
00171
00172 #endif
00173