libMesh
tetgen_io.h
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1 // The libMesh Finite Element Library.
2 // Copyright (C) 2002-2024 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
3 
4 // This library is free software; you can redistribute it and/or
5 // modify it under the terms of the GNU Lesser General Public
6 // License as published by the Free Software Foundation; either
7 // version 2.1 of the License, or (at your option) any later version.
8 
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // Lesser General Public License for more details.
13 
14 // You should have received a copy of the GNU Lesser General Public
15 // License along with this library; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 
18 
19 
20 #ifndef LIBMESH_TETGEN_IO_H
21 #define LIBMESH_TETGEN_IO_H
22 
23 // Local includes
24 #include "libmesh/libmesh_common.h"
25 #include "libmesh/mesh_input.h"
26 #include "libmesh/mesh_output.h"
27 
28 // C++ includes
29 #include <cstddef>
30 #include <map>
31 
32 namespace libMesh
33 {
34 
35 // Forward declarations
36 class MeshBase;
37 
38 
47 class TetGenIO : public MeshInput<MeshBase>,
48  public MeshOutput<MeshBase>
49 {
50 public:
51 
56  explicit
58 
63  explicit
64  TetGenIO (const MeshBase & mesh);
65 
70  virtual void read (const std::string &) override;
71 
76  virtual void write (const std::string &) override;
77 
82  std::vector<std::vector<Real>> node_attributes;
83 
84 private:
85 
86 
87  //-------------------------------------------------------------
88  // read support methods
89 
94  void read_nodes_and_elem (std::istream & node_stream,
95  std::istream & ele_stream);
96 
104  void node_in (std::istream & node_stream);
105 
112  void element_in (std::istream & ele_stream);
113 
114  //-------------------------------------------------------------
115  // local data
116 
120  std::map<dof_id_type,dof_id_type> _assign_nodes;
121 
126 
131 };
132 
133 
134 
135 // ------------------------------------------------------------
136 // TetGenIO inline members
137 inline
141 {
142 }
143 
144 
145 
146 inline
149 {
150 }
151 
152 
153 } // namespace libMesh
154 
155 
156 #endif // LIBMESH_TETGEN_IO_H
dof_id_type _num_elements
total number of elements.
Definition: tetgen_io.h:130
std::map< dof_id_type, dof_id_type > _assign_nodes
stores new positions of nodes.
Definition: tetgen_io.h:120
virtual void read(const std::string &) override
This method implements reading a mesh from a specified file in TetGen format.
Definition: tetgen_io.C:34
MeshBase & mesh
This class defines an abstract interface for Mesh output.
Definition: mesh_output.h:53
This class implements reading and writing meshes in the TetGen format.
Definition: tetgen_io.h:47
The libMesh namespace provides an interface to certain functionality in the library.
TetGenIO(MeshBase &mesh)
Constructor.
Definition: tetgen_io.h:138
This is the MeshBase class.
Definition: mesh_base.h:74
This class defines an abstract interface for Mesh input.
Definition: mesh_base.h:56
dof_id_type _num_nodes
total number of nodes.
Definition: tetgen_io.h:125
void read_nodes_and_elem(std::istream &node_stream, std::istream &ele_stream)
Reads a mesh (nodes & elements) from the file provided through node_stream and ele_stream.
Definition: tetgen_io.C:95
virtual void write(const std::string &) override
This method implements writing a mesh to a specified ".poly" file.
Definition: tetgen_io.C:268
void node_in(std::istream &node_stream)
Method reads nodes from node_stream and stores them in vector<Node *> nodes in the order they come in...
Definition: tetgen_io.C:113
void element_in(std::istream &ele_stream)
Method reads elements and stores them in vector<Elem *> elements in the same order as they come in...
Definition: tetgen_io.C:184
std::vector< std::vector< Real > > node_attributes
Data structure to hold node attributes read in from file.
Definition: tetgen_io.h:82
uint8_t dof_id_type
Definition: id_types.h:67