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             : #include "libmesh/point.h" // used for specifying holes
      30             : 
      31             : namespace nglib {
      32             : #include "netgen/nglib/nglib.h"
      33             : }
      34             : 
      35             : // C++ includes
      36             : #include <cstddef>
      37             : #include <map>
      38             : #include <string>
      39             : #include <vector>
      40             : 
      41             : namespace libMesh
      42             : {
      43             : // Forward Declarations
      44             : class UnstructuredMesh;
      45             : class Elem;
      46             : 
      47             : /**
      48             :  * Class \p NetGenMeshInterface provides an interface for
      49             :  * tetrahedralization of meshes using the NetGen library.  For
      50             :  * information about TetGen cf.
      51             :  * <a href="https://github.com/NGSolve/netgen/">NetGen github
      52             :  * repository</a>.
      53             :  *
      54             :  * \author Roy H. Stogner
      55             :  * \date 2024
      56             :  */
      57             : class NetGenMeshInterface : public MeshTetInterface
      58             : {
      59             : public:
      60             : 
      61             :   /**
      62             :    * Constructor. Takes a reference to the mesh containing the
      63             :    * triangulated surface which is to be tetrahedralized.
      64             :    */
      65             :   explicit
      66             :   NetGenMeshInterface (UnstructuredMesh & mesh);
      67             : 
      68             :   /**
      69             :    * Empty destructor.
      70             :    */
      71           0 :   virtual ~NetGenMeshInterface() override = default;
      72             : 
      73             :   /**
      74             :    * Method invokes NetGen library to compute a tetrahedralization
      75             :    */
      76             :   virtual void triangulate () override;
      77             : 
      78             : protected:
      79             : 
      80             :   /**
      81             :    * Tetgen only operates on serial meshes.
      82             :    */
      83             :   MeshSerializer _serializer;
      84             : };
      85             : 
      86             : } // namespace libMesh
      87             : 
      88             : #endif // LIBMESH_HAVE_NETGEN
      89             : 
      90             : #endif // LIBMESH_MESH_NETGEN_INTERFACE_H