Line data    Source code

       1             : // The libMesh Finite Element Library.
       2             : // Copyright (C) 2002-2023 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             : #ifndef LIBMESH_MESH_NETGEN_INTERFACE_H
      20             : #define LIBMESH_MESH_NETGEN_INTERFACE_H
      21             : 
      22             : #include "libmesh/libmesh_config.h"
      23             : 
      24             : #ifdef LIBMESH_HAVE_NETGEN
      25             : 
      26             : // Local includes
      27             : #include "libmesh/mesh_serializer.h"
      28             : #include "libmesh/mesh_tet_interface.h"
      29             : 
      30             : // C++ includes
      31             : #include <cstddef>
      32             : #include <map>
      33             : #include <string>
      34             : #include <vector>
      35             : 
      36             : namespace libMesh
      37             : {
      38             : // Forward Declarations
      39             : class UnstructuredMesh;
      40             : class Elem;
      41             : 
      42             : /**
      43             :  * Class \p NetGenMeshInterface provides an interface for
      44             :  * tetrahedralization of meshes using the NetGen library.  For
      45             :  * information about TetGen cf.
      46             :  * <a href="https://github.com/NGSolve/netgen/">NetGen github
      47             :  * repository</a>.
      48             :  *
      49             :  * \author Roy H. Stogner
      50             :  * \date 2024
      51             :  */
      52             : class NetGenMeshInterface : public MeshTetInterface
      53             : {
      54             : public:
      55             : 
      56             :   /**
      57             :    * Constructor. Takes a reference to the mesh containing the
      58             :    * triangulated surface which is to be tetrahedralized.
      59             :    */
      60             :   explicit
      61             :   NetGenMeshInterface (UnstructuredMesh & mesh);
      62             : 
      63             :   /**
      64             :    * Empty destructor.
      65             :    */
      66           0 :   virtual ~NetGenMeshInterface() override = default;
      67             : 
      68             :   /**
      69             :    * Method invokes NetGen library to compute a tetrahedralization
      70             :    */
      71             :   virtual void triangulate () override;
      72             : 
      73             : protected:
      74             : 
      75             :   /**
      76             :    * Tetgen only operates on serial meshes.
      77             :    */
      78             :   MeshSerializer _serializer;
      79             : };
      80             : 
      81             : } // namespace libMesh
      82             : 
      83             : #endif // LIBMESH_HAVE_NETGEN
      84             : 
      85             : #endif // LIBMESH_MESH_NETGEN_INTERFACE_H