Nektar++
OutputGmsh.h
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1 ////////////////////////////////////////////////////////////////////////////////
2 //
3 // File: OutputGmsh.h
4 //
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6 //
7 // The MIT License
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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).
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31 //
32 // Description: GMSH converter.
33 //
34 ////////////////////////////////////////////////////////////////////////////////
35 
36 #ifndef UTILITIES_PREPROCESSING_MESHCONVERT_OUTPUTGMSH
37 #define UTILITIES_PREPROCESSING_MESHCONVERT_OUTPUTGMSH
38 
39 #include "../Module.h"
40 
41 namespace Nektar
42 {
43  namespace Utilities
44  {
45  bool operator==(ElmtConfig const &p1, ElmtConfig const &p2);
46 
47  struct ElmtConfigHash : std::unary_function<ElmtConfig, std::size_t>
48  {
49  std::size_t operator()(ElmtConfig const& el) const
50  {
51  std::size_t seed = 0;
52  boost::hash_combine(seed, (int)el.m_e );
53  boost::hash_combine(seed, el.m_faceNodes );
54  boost::hash_combine(seed, el.m_volumeNodes);
55  boost::hash_combine(seed, el.m_order );
56  return seed;
57  }
58  };
59 
60  bool operator==(ElmtConfig const &p1, ElmtConfig const &p2)
61  {
62  return p1.m_e == p2.m_e &&
63  p1.m_faceNodes == p2.m_faceNodes &&
64  p1.m_volumeNodes == p2.m_volumeNodes &&
65  p1.m_order == p2.m_order;
66  }
67 
68  /// Converter for Gmsh files.
69  class OutputGmsh : public OutputModule
70  {
71  public:
72  /// Creates an instance of this class
73  static boost::shared_ptr<Module> create(MeshSharedPtr m) {
75  }
77 
79  virtual ~OutputGmsh();
80 
81  /// Write mesh to output file.
82  virtual void Process();
83 
84  private:
85  boost::unordered_map<ElmtConfig, unsigned int, ElmtConfigHash> elmMap;
86  };
87  }
88 }
89 
90 #endif
bool m_volumeNodes
Denotes whether the element contains volume (i.e. interior) nodes. These are not supported by either ...
Definition: MeshElements.h:627
pair< ModuleType, string > ModuleKey
static boost::shared_ptr< Module > create(MeshSharedPtr m)
Creates an instance of this class.
Definition: OutputGmsh.h:73
static boost::shared_ptr< DataType > AllocateSharedPtr()
Allocate a shared pointer from the memory pool.
Abstract base class for output modules.
Converter for Gmsh files.
Definition: OutputGmsh.h:69
std::size_t operator()(ElmtConfig const &el) const
Definition: OutputGmsh.h:49
static ModuleKey className
Definition: OutputGmsh.h:76
LibUtilities::ShapeType m_e
Element type (e.g. triangle, quad, etc).
Definition: MeshElements.h:618
unsigned int m_order
Order of the element.
Definition: MeshElements.h:629
bool m_faceNodes
Denotes whether the element contains face nodes. For 2D elements, if this is true then the element co...
Definition: MeshElements.h:622
boost::shared_ptr< Mesh > MeshSharedPtr
Shared pointer to a mesh.
Basic information about an element.
Definition: MeshElements.h:583
OutputGmsh(MeshSharedPtr m)
Definition: OutputGmsh.cpp:54
bool operator==(TriFaceIDs const &p1, TriFaceIDs const &p2)
virtual void Process()
Write mesh to output file.
Definition: OutputGmsh.cpp:81
boost::unordered_map< ElmtConfig, unsigned int, ElmtConfigHash > elmMap
Definition: OutputGmsh.h:85