VTK  9.2.6
vtkRectilinearGridToTetrahedra.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkRectilinearGridToTetrahedra.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
49 #ifndef vtkRectilinearGridToTetrahedra_h
50 #define vtkRectilinearGridToTetrahedra_h
51 
52 // ways to create the mesh from voxels
53 #define VTK_VOXEL_TO_12_TET 12
54 #define VTK_VOXEL_TO_5_TET 5
55 #define VTK_VOXEL_TO_6_TET 6
56 #define VTK_VOXEL_TO_5_AND_12_TET -1
57 
58 #include "vtkFiltersGeneralModule.h" // For export macro
60 class vtkRectilinearGrid;
61 class vtkSignedCharArray;
62 class vtkIdList;
63 class vtkCellArray;
64 class vtkPoints;
65 
66 class VTKFILTERSGENERAL_EXPORT vtkRectilinearGridToTetrahedra : public vtkUnstructuredGridAlgorithm
67 {
68 public:
70  void PrintSelf(ostream& os, vtkIndent indent) override;
71 
76 
78 
82  void SetTetraPerCellTo5() { SetTetraPerCell(VTK_VOXEL_TO_5_TET); }
83  void SetTetraPerCellTo6() { SetTetraPerCell(VTK_VOXEL_TO_6_TET); }
84  void SetTetraPerCellTo12() { SetTetraPerCell(VTK_VOXEL_TO_12_TET); }
86  vtkSetMacro(TetraPerCell, int);
87  vtkGetMacro(TetraPerCell, int);
89 
91 
95  vtkSetMacro(RememberVoxelId, vtkTypeBool);
96  vtkGetMacro(RememberVoxelId, vtkTypeBool);
97  vtkBooleanMacro(RememberVoxelId, vtkTypeBool);
99 
107  void SetInput(const double Extent[3], const double Spacing[3], const double tol = 0.001);
111  void SetInput(const double ExtentX, const double ExtentY, const double ExtentZ,
112  const double SpacingX, const double SpacingY, const double SpacingZ, const double tol = 0.001);
113 
114 protected:
116  ~vtkRectilinearGridToTetrahedra() override = default;
117 
119 
122 
123  int FillInputPortInformation(int, vtkInformation*) override;
124 
125 private:
127 
128  void operator=(const vtkRectilinearGridToTetrahedra&) = delete;
129 
134  static void DetermineGridDivisionTypes(vtkRectilinearGrid* RectGrid,
135  vtkSignedCharArray* VoxelSubdivisionType, const int& TetraPerCell);
136 
140  static void GridToTetMesh(vtkRectilinearGrid* RectGrid, vtkSignedCharArray* VoxelSubdivisionType,
141  const int& TetraPerCell, const int& RememberVoxelId, vtkUnstructuredGrid* TetMesh);
142 
149  static int TetrahedralizeVoxel(
150  vtkIdList* VoxelCorners, const int& DivisionType, vtkPoints* NodeList, vtkCellArray* TetList);
151 
156  static inline void TetrahedralizeAddCenterPoint(vtkIdList* VoxelCorners, vtkPoints* NodeList);
157 };
158 
159 #endif /* vtkRectilinearGridToTetrahedra_h */
#define VTK_VOXEL_TO_6_TET
a dataset that is topologically regular with variable spacing in the three coordinate directions ...
virtual int RequestData(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector)
This is called by the superclass.
Store vtkAlgorithm input/output information.
void SetTetraPerCellTo6()
Set the method to divide each cell (voxel) in the RectilinearGrid into tetrahedra.
static vtkUnstructuredGridAlgorithm * New()
int FillInputPortInformation(int port, vtkInformation *info) override
Fill the input port information objects for this algorithm.
int vtkTypeBool
Definition: vtkABI.h:69
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
create a Tetrahedral mesh from a RectilinearGrid
a simple class to control print indentation
Definition: vtkIndent.h:39
list of point or cell ids
Definition: vtkIdList.h:33
dataset represents arbitrary combinations of all possible cell types
dynamic, self-adjusting array of signed char
#define VTK_VOXEL_TO_12_TET
Superclass for algorithms that produce only unstructured grid as output.
#define VTK_VOXEL_TO_5_AND_12_TET
object to represent cell connectivity
Definition: vtkCellArray.h:186
void SetTetraPerCellTo5And12()
Set the method to divide each cell (voxel) in the RectilinearGrid into tetrahedra.
#define VTK_VOXEL_TO_5_TET
Store zero or more vtkInformation instances.
void SetTetraPerCellTo12()
Set the method to divide each cell (voxel) in the RectilinearGrid into tetrahedra.
void SetTetraPerCellTo5()
Set the method to divide each cell (voxel) in the RectilinearGrid into tetrahedra.
represent and manipulate 3D points
Definition: vtkPoints.h:39