Graph_traits_extension_cgal_surface_mesh.h

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// Copyright (c) 2012-2019 University of Lyon and CNRS (France).
// All rights reserved.
//
// This file is part of MEPP2; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published 
// by the Free Software Foundation; either version 3 of the License, 
// or (at your option) any later version.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#pragma once
 
/*
 * Specialization of graph traits extension
 * for CGAL::Surface_mesh
 */
 
#include "Graph_traits_extension.h"
#include <CGAL/boost/graph/graph_traits_Surface_mesh.h>
 
namespace FEVV {
 
 
template< typename PointT >
typename boost::graph_traits< CGAL::Surface_mesh< PointT > >::vertices_size_type
size_of_vertices(const CGAL::Surface_mesh< PointT > &g)
{
  return g.number_of_vertices();
}
 
 
template< typename PointT >
typename boost::graph_traits< CGAL::Surface_mesh< PointT > >::edges_size_type
size_of_edges(const CGAL::Surface_mesh< PointT > &g)
{
  return g.number_of_edges();
}
 
 
template< typename PointT >
typename boost::graph_traits<
    CGAL::Surface_mesh< PointT > >::halfedges_size_type
size_of_halfedges(const CGAL::Surface_mesh< PointT > &g)
{
  return g.number_of_halfedges();
}
 
 
template< typename PointT >
typename boost::graph_traits< CGAL::Surface_mesh< PointT > >::faces_size_type
size_of_faces(const CGAL::Surface_mesh< PointT > &g)
{
  return g.number_of_faces();
}
 
 
} // namespace FEVV
 
 
// ELO note: Clear mesh
// see
//   http://doc.cgal.org/latest/Surface_mesh/classCGAL_1_1Surface__mesh.html#a247d4ad3e6b106ae22e5306203812642
//
//   void clear()
//   removes all vertices, halfedge, edges and faces. Collects garbage and
//   clears all properties.
// see
//   CGAL-4.9/include/CGAL/boost/graph/helpers.h
//