VTK  9.1.0
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=========================================================================*/
65#ifndef vtkRectilinearGridToTetrahedra_h
66#define vtkRectilinearGridToTetrahedra_h
67
68// ways to create the mesh from voxels
69#define VTK_VOXEL_TO_12_TET 12
70#define VTK_VOXEL_TO_5_TET 5
71#define VTK_VOXEL_TO_6_TET 6
72#define VTK_VOXEL_TO_5_AND_12_TET -1
73
74#include "vtkFiltersGeneralModule.h" // For export macro
78class vtkIdList;
79class vtkCellArray;
80class vtkPoints;
81
82class VTKFILTERSGENERAL_EXPORT vtkRectilinearGridToTetrahedra : public vtkUnstructuredGridAlgorithm
83{
84public:
86 void PrintSelf(ostream& os, vtkIndent indent) override;
87
92
94
98 void SetTetraPerCellTo5() { SetTetraPerCell(VTK_VOXEL_TO_5_TET); }
99 void SetTetraPerCellTo6() { SetTetraPerCell(VTK_VOXEL_TO_6_TET); }
100 void SetTetraPerCellTo12() { SetTetraPerCell(VTK_VOXEL_TO_12_TET); }
102 vtkSetMacro(TetraPerCell, int);
103 vtkGetMacro(TetraPerCell, int);
105
107
111 vtkSetMacro(RememberVoxelId, vtkTypeBool);
112 vtkGetMacro(RememberVoxelId, vtkTypeBool);
113 vtkBooleanMacro(RememberVoxelId, vtkTypeBool);
115
123 void SetInput(const double Extent[3], const double Spacing[3], const double tol = 0.001);
127 void SetInput(const double ExtentX, const double ExtentY, const double ExtentZ,
128 const double SpacingX, const double SpacingY, const double SpacingZ, const double tol = 0.001);
129
130protected:
133
135
138
140
141private:
143
144 void operator=(const vtkRectilinearGridToTetrahedra&) = delete;
145
150 static void DetermineGridDivisionTypes(vtkRectilinearGrid* RectGrid,
151 vtkSignedCharArray* VoxelSubdivisionType, const int& TetraPerCell);
152
156 static void GridToTetMesh(vtkRectilinearGrid* RectGrid, vtkSignedCharArray* VoxelSubdivisionType,
157 const int& TetraPerCell, const int& RememberVoxelId, vtkUnstructuredGrid* TetMesh);
158
165 static int TetrahedralizeVoxel(
166 vtkIdList* VoxelCorners, const int& DivisionType, vtkPoints* NodeList, vtkCellArray* TetList);
167
172 static inline void TetrahedralizeAddCenterPoint(vtkIdList* VoxelCorners, vtkPoints* NodeList);
173};
174
175#endif /* vtkRectilinearGridToTetrahedra_h */
object to represent cell connectivity
Definition: vtkCellArray.h:290
list of point or cell ids
Definition: vtkIdList.h:140
a simple class to control print indentation
Definition: vtkIndent.h:113
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
represent and manipulate 3D points
Definition: vtkPoints.h:143
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