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=========================================================================*/
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
59class vtkIdList;
60class vtkCellArray;
61class vtkPoints;
62
63class VTKFILTERSGENERAL_EXPORT vtkRectilinearGridToTetrahedra : public vtkUnstructuredGridAlgorithm
64{
65public:
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
111protected:
114
116
119
121
122private:
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
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 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.
static vtkRectilinearGridToTetrahedra * New()
Form 5 Tetrahedra per cube.
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.
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