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TetGenInterface.h
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1 ////////////////////////////////////////////////////////////////////////////////
2 //
3 // File: TetGenInterface.h
4 //
5 // For more information, please see: http://www.nektar.info/
6 //
7 // The MIT License
8 //
9 // Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
10 // Department of Aeronautics, Imperial College London (UK), and Scientific
11 // Computing and Imaging Institute, University of Utah (USA).
12 //
13 // License for the specific language governing rights and limitations under
14 // Permission is hereby granted, free of charge, to any person obtaining a
15 // copy of this software and associated documentation files (the "Software"),
16 // to deal in the Software without restriction, including without limitation
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21 // The above copyright notice and this permission notice shall be included
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24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
25 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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31 //
32 // Description: class for interacting with tetgen
33 //
34 ////////////////////////////////////////////////////////////////////////////////
35 
36 #ifndef NEKTAR_MESHUTILS_EXTLIBINTERFACE_TETGENINTERFACE_H
37 #define NEKTAR_MESHUTILS_EXTLIBINTERFACE_TETGENINTERFACE_H
38 
39 #include <boost/shared_ptr.hpp>
40 
43 
45 
46 #define TETLIBRARY
47 #include <tetgen.h>
48 
49 namespace Nektar
50 {
51 namespace NekMeshUtils
52 {
53 
54 /**
55  * @brief Class for interacting with the external library TetGen.
56  */
58 {
59 public:
61 
62  /**
63  * @brief Default constructor
64  */
66 
67  /**
68  * @brief Assign parameters for meshing
69  */
70  void InitialMesh(std::map<int, NodeSharedPtr> tgidton,
71  std::vector<Array<OneD, int> > tri);
72 
73  /**
74  * @brief Gets the locations of the Stiener points added by TetGen
75  */
76  void GetNewPoints(int num, std::vector<Array<OneD, NekDouble> > &newp);
77 
78  /**
79  * @brief Refines a previously made tetmesh with node delta information
80  * from the Octree
81  */
82  void RefineMesh(std::map<int, NekDouble> delta);
83 
84  /**
85  * @brief Get the list of connectivites of the nodes
86  */
87  std::vector<Array<OneD, int> > Extract();
88 
89  /**
90  * @brief Clear previous mesh
91  */
92  void freetet();
93 
94 private:
95  /// TetGen objects
97 };
98 
99 typedef boost::shared_ptr<TetGenInterface> TetGenInterfaceSharedPtr;
100 }
101 }
102 #endif
Class for interacting with the external library TetGen.
void InitialMesh(std::map< int, NodeSharedPtr > tgidton, std::vector< Array< OneD, int > > tri)
Assign parameters for meshing.
void RefineMesh(std::map< int, NekDouble > delta)
Refines a previously made tetmesh with node delta information from the Octree.
General purpose memory allocation routines with the ability to allocate from thread specific memory p...
tetgenio surface
TetGen objects.
boost::shared_ptr< TetGenInterface > TetGenInterfaceSharedPtr
TetGenInterface()
Default constructor.
void GetNewPoints(int num, std::vector< Array< OneD, NekDouble > > &newp)
Gets the locations of the Stiener points added by TetGen.
void freetet()
Clear previous mesh.
std::vector< Array< OneD, int > > Extract()
Get the list of connectivites of the nodes.