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 =========================================================================*/
68 #ifndef vtkRectilinearGridToTetrahedra_h
69 #define vtkRectilinearGridToTetrahedra_h
70 
71 // ways to create the mesh from voxels
72 #define VTK_VOXEL_TO_12_TET 12
73 #define VTK_VOXEL_TO_5_TET 5
74 #define VTK_VOXEL_TO_6_TET 6
75 #define VTK_VOXEL_TO_5_AND_12_TET -1
76 
77 #include "vtkFiltersGeneralModule.h" // For export macro
79 class vtkRectilinearGrid;
80 class vtkSignedCharArray;
81 class vtkIdList;
82 class vtkCellArray;
83 class vtkPoints;
84 
85 class VTKFILTERSGENERAL_EXPORT vtkRectilinearGridToTetrahedra : public vtkUnstructuredGridAlgorithm
86 {
87 public:
89  void PrintSelf(ostream& os, vtkIndent indent) override;
90 
95 
97 
101  void SetTetraPerCellTo5() { SetTetraPerCell(VTK_VOXEL_TO_5_TET); }
102  void SetTetraPerCellTo6() { SetTetraPerCell(VTK_VOXEL_TO_6_TET); }
103  void SetTetraPerCellTo12() { SetTetraPerCell(VTK_VOXEL_TO_12_TET); }
105  vtkSetMacro(TetraPerCell, int);
106  vtkGetMacro(TetraPerCell, int);
108 
110 
114  vtkSetMacro(RememberVoxelId, vtkTypeBool);
115  vtkGetMacro(RememberVoxelId, vtkTypeBool);
116  vtkBooleanMacro(RememberVoxelId, vtkTypeBool);
118 
126  void SetInput(const double Extent[3], const double Spacing[3], const double tol = 0.001);
130  void SetInput(const double ExtentX, const double ExtentY, const double ExtentZ,
131  const double SpacingX, const double SpacingY, const double SpacingZ, const double tol = 0.001);
132 
133 protected:
135  ~vtkRectilinearGridToTetrahedra() override = default;
136 
138 
141 
143 
144 private:
146 
147  void operator=(const vtkRectilinearGridToTetrahedra&) = delete;
148 
153  static void DetermineGridDivisionTypes(vtkRectilinearGrid* RectGrid,
154  vtkSignedCharArray* VoxelSubdivisionType, const int& TetraPerCell);
155 
159  static void GridToTetMesh(vtkRectilinearGrid* RectGrid, vtkSignedCharArray* VoxelSubdivisionType,
160  const int& TetraPerCell, const int& RememberVoxelId, vtkUnstructuredGrid* TetMesh);
161 
168  static int TetrahedralizeVoxel(
169  vtkIdList* VoxelCorners, const int& DivisionType, vtkPoints* NodeList, vtkCellArray* TetList);
170 
175  static inline void TetrahedralizeAddCenterPoint(vtkIdList* VoxelCorners, vtkPoints* NodeList);
176 };
177 
178 #endif /* vtkRectilinearGridToTetrahedra_h */
object to represent cell connectivity
Definition: vtkCellArray.h:296
list of point or cell ids
Definition: vtkIdList.h:143
a simple class to control print indentation
Definition: vtkIndent.h:119
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
represent and manipulate 3D points
Definition: vtkPoints.h:149
create a Tetrahedral mesh from a RectilinearGrid
void SetTetraPerCellTo5And12()
Set the method to divide each cell (voxel) in the RectilinearGrid into tetrahedra.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void SetTetraPerCellTo6()
Set the method to divide each cell (voxel) in the RectilinearGrid into tetrahedra.
void SetInput(const double Extent[3], const double Spacing[3], const double tol=0.001)
This function for convenience for creating a Rectilinear Grid If Spacing does not fit evenly into ext...
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
This is called by the superclass.
static vtkRectilinearGridToTetrahedra * New()
Form 5 Tetrahedra per cube.
void SetTetraPerCellTo5()
Set the method to divide each cell (voxel) in the RectilinearGrid into tetrahedra.
~vtkRectilinearGridToTetrahedra() override=default
void SetTetraPerCellTo12()
Set the method to divide each cell (voxel) in the RectilinearGrid into tetrahedra.
int FillInputPortInformation(int, vtkInformation *) override
Fill the input port information objects for this algorithm.
void SetInput(const double ExtentX, const double ExtentY, const double ExtentZ, const double SpacingX, const double SpacingY, const double SpacingZ, const double tol=0.001)
This version of the function for the wrappers.
a dataset that is topologically regular with variable spacing in the three coordinate directions
dynamic, self-adjusting array of signed char
Superclass for algorithms that produce only unstructured grid as output.
dataset represents arbitrary combinations of all possible cell types
int vtkTypeBool
Definition: vtkABI.h:69
#define VTK_VOXEL_TO_12_TET
#define VTK_VOXEL_TO_5_TET
#define VTK_VOXEL_TO_6_TET
#define VTK_VOXEL_TO_5_AND_12_TET