VTK  9.0.3
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 =========================================================================*/
46 #ifndef vtkRectilinearGridToTetrahedra_h
47 #define vtkRectilinearGridToTetrahedra_h
48 
49 // ways to create the mesh from voxels
50 #define VTK_VOXEL_TO_12_TET 12
51 #define VTK_VOXEL_TO_5_TET 5
52 #define VTK_VOXEL_TO_6_TET 6
53 #define VTK_VOXEL_TO_5_AND_12_TET -1
54 
55 #include "vtkFiltersGeneralModule.h" // For export macro
57 class vtkRectilinearGrid;
58 class vtkSignedCharArray;
59 class vtkIdList;
60 class vtkCellArray;
61 class vtkPoints;
62 
63 class VTKFILTERSGENERAL_EXPORT vtkRectilinearGridToTetrahedra : public vtkUnstructuredGridAlgorithm
64 {
65 public:
67  void PrintSelf(ostream& os, vtkIndent indent) override;
68 
73 
75 
79  void SetTetraPerCellTo5() { SetTetraPerCell(VTK_VOXEL_TO_5_TET); }
80  void SetTetraPerCellTo6() { SetTetraPerCell(VTK_VOXEL_TO_6_TET); }
81  void SetTetraPerCellTo12() { SetTetraPerCell(VTK_VOXEL_TO_12_TET); }
83  vtkSetMacro(TetraPerCell, int);
84  vtkGetMacro(TetraPerCell, int);
86 
88 
92  vtkSetMacro(RememberVoxelId, vtkTypeBool);
93  vtkGetMacro(RememberVoxelId, vtkTypeBool);
94  vtkBooleanMacro(RememberVoxelId, vtkTypeBool);
96 
104  void SetInput(const double Extent[3], const double Spacing[3], const double tol = 0.001);
108  void SetInput(const double ExtentX, const double ExtentY, const double ExtentZ,
109  const double SpacingX, const double SpacingY, const double SpacingZ, const double tol = 0.001);
110 
111 protected:
114 
116 
119 
121 
122 private:
124 
125  void operator=(const vtkRectilinearGridToTetrahedra&) = delete;
126 
131  static void DetermineGridDivisionTypes(vtkRectilinearGrid* RectGrid,
132  vtkSignedCharArray* VoxelSubdivisionType, const int& TetraPerCell);
133 
137  static void GridToTetMesh(vtkRectilinearGrid* RectGrid, vtkSignedCharArray* VoxelSubdivisionType,
138  const int& TetraPerCell, const int& RememberVoxelId, vtkUnstructuredGrid* TetMesh);
139 
146  static int TetrahedralizeVoxel(
147  vtkIdList* VoxelCorners, const int& DivisionType, vtkPoints* NodeList, vtkCellArray* TetList);
148 
153  static inline void TetrahedralizeAddCenterPoint(vtkIdList* VoxelCorners, vtkPoints* NodeList);
154 };
155 
156 #endif /* vtkRectilinearGridToTetrahedra_h */
object to represent cell connectivity
Definition: vtkCellArray.h:180
list of point or cell ids
Definition: vtkIdList.h:31
a simple class to control print indentation
Definition: vtkIndent.h:34
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
represent and manipulate 3D points
Definition: vtkPoints.h:34
create a Tetrahedral mesh from a RectilinearGrid
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
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.
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