/usr/include/libmesh/tetgen_io.h is in libmesh-dev 0.7.1-2ubuntu1.
This file is owned by root:root, with mode 0o644.
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// The libMesh Finite Element Library.
// Copyright (C) 2002-2008 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#ifndef __tetgen_io_h__
#define __tetgen_io_h__
// C++ includes
#include <map>
// Local includes
#include "libmesh_common.h"
#include "mesh_input.h"
#include "mesh_output.h"
namespace libMesh
{
// Forward declarations
class MeshBase;
class MeshData;
/**
* This class implements reading and writing meshes in the TetGen format.
* Format description:
* cf. <a href="http://tetgen.berlios.de/">TetGen home page</a>.
*
* @author Benjamin S. Kirk, 2004
*/
// ------------------------------------------------------------
// TetGenIO class definition
class TetGenIO : public MeshInput<MeshBase>,
public MeshOutput<MeshBase>
{
public:
/**
* Constructor. Takes a writeable reference to a mesh object.
* This is the constructor required to read a mesh.
*/
TetGenIO (MeshBase& mesh, MeshData* mesh_data=NULL);
/**
* Constructor. Takes a read-only reference to a mesh object.
* This is the constructor required to write a mesh.
*/
TetGenIO (const MeshBase& mesh, MeshData* mesh_data=NULL);
/**
* This method implements reading a mesh from a specified file
* in TetGen format.
*/
virtual void read (const std::string& );
/**
* This method implements writing a mesh to a specified ".poly" file.
* ".poly" files defines so called Piecewise Linear Complex (PLC).
*/
virtual void write (const std::string& );
private:
//-------------------------------------------------------------
// read support methods
/**
* Reads a mesh (nodes & elements) from the file
* provided through \p node_stream and ele_stream.
*/
void read_nodes_and_elem (std::istream& node_stream,
std::istream& ele_stream);
/**
* Method reads nodes from \p node_stream and stores them in
* vector<Node*> \p nodes in the order they come in.
* The original node labels are being stored in the
* map \p _assign_nodes in order to assign the elements to
* the right nodes later. In addition, provided it is
* active, the \p MeshData gets to know the node id from
* the file, too.
*/
void node_in (std::istream& node_stream);
/**
* Method reads elements and stores them in
* vector<Elem*> \p elements in the same order as they
* come in. Within \p TetGenMeshInterface, element labels are
* ignored, but \p MeshData takes care of such things
* (if active).
*/
void element_in (std::istream& ele_stream);
//-------------------------------------------------------------
// local data
/**
* stores new positions of nodes. Used when reading.
*/
std::map<unsigned int,unsigned int> _assign_nodes;
/**
* total number of nodes. Primarily used when reading.
*/
unsigned int _num_nodes;
/**
* total number of elements. Primarily used when reading.
*/
unsigned int _num_elements;
/**
* A pointer to the MeshData object you would like to use.
* with this TetGenIO object. Can be NULL.
*/
MeshData* _mesh_data;
};
// ------------------------------------------------------------
// TetGenIO inline members
inline
TetGenIO::TetGenIO (MeshBase& mesh, MeshData* mesh_data) :
MeshInput<MeshBase> (mesh),
MeshOutput<MeshBase>(mesh),
_mesh_data(mesh_data)
{
}
inline
TetGenIO::TetGenIO (const MeshBase& mesh, MeshData* mesh_data) :
MeshOutput<MeshBase>(mesh),
_mesh_data(mesh_data)
{
}
} // namespace libMesh
#endif // #define __tetgen_io_h__
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