VTK
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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkRectilinearGridToTetrahedra.h,v $ 00005 00006 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen 00007 All rights reserved. 00008 See Copyright.txt or http://www.kitware.com/Copyright.htm for details. 00009 00010 This software is distributed WITHOUT ANY WARRANTY; without even 00011 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00012 PURPOSE. See the above copyright notice for more information. 00013 00014 =========================================================================*/ 00048 #ifndef __vtkRectilinearGridToTetrahedra_h 00049 #define __vtkRectilinearGridToTetrahedra_h 00050 00051 // ways to create the mesh from voxels 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 "vtkUnstructuredGridAlgorithm.h" 00058 class vtkRectilinearGrid; 00059 class vtkSignedCharArray; 00060 class vtkIdList; 00061 class vtkCellArray; 00062 class vtkPoints; 00063 00064 class VTK_GRAPHICS_EXPORT vtkRectilinearGridToTetrahedra : public vtkUnstructuredGridAlgorithm 00065 { 00066 public: 00067 vtkTypeRevisionMacro(vtkRectilinearGridToTetrahedra,vtkUnstructuredGridAlgorithm); 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 // Description: 00101 // This version of the function for the wrappers 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 00111 protected: 00112 vtkRectilinearGridToTetrahedra(); 00113 ~vtkRectilinearGridToTetrahedra() {}; 00114 00115 int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *); 00116 00117 int RememberVoxelId; 00118 int TetraPerCell; 00119 00120 virtual int FillInputPortInformation(int, vtkInformation*); 00121 00122 private: 00123 vtkRectilinearGridToTetrahedra(const vtkRectilinearGridToTetrahedra&); // Not implemented. 00124 00125 void operator=(const vtkRectilinearGridToTetrahedra&); // Not implemented. 00126 00127 //BTX 00129 00132 static void DetermineGridDivisionTypes(vtkRectilinearGrid *RectGrid, 00133 vtkSignedCharArray *VoxelSubdivisionType, 00134 const int &TetraPerCell); 00136 00138 00139 static void GridToTetMesh(vtkRectilinearGrid *RectGrid, 00140 vtkSignedCharArray *VoxelSubdivisionType, 00141 const int &TetraPerCell, 00142 const int &RememberVoxelId, 00143 vtkUnstructuredGrid *TetMesh); 00145 00147 00151 static int TetrahedralizeVoxel(vtkIdList *VoxelCorners, 00152 const int &DivisionType, 00153 vtkPoints *NodeList, 00154 vtkCellArray *TetList); 00156 00158 00160 static inline void TetrahedralizeAddCenterPoint(vtkIdList *VoxelCorners, 00161 vtkPoints *NodeList); 00163 //ETX 00164 }; 00165 00166 #endif /* __vtkRectilinearGridToTetrahedra_h */ 00167