cgal/Mesh_3/include/CGAL/make_mesh_3.h

156 lines
4.7 KiB
C++

// Copyright (c) 2009 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you may redistribute it under
// the terms of the Q Public License version 1.0.
// See the file LICENSE.QPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
//
// Author(s) : Stéphane Tayeb
//
//******************************************************************************
// File Description : make_mesh_3 function definition.
//******************************************************************************
#ifndef CGAL_MAKE_MESH_3_H
#define CGAL_MAKE_MESH_3_H
#include <CGAL/Mesh_3/global_parameters.h>
#include <CGAL/refine_mesh_3.h>
namespace CGAL {
// Manual redirections
// boost::parameter can't handle make_mesh_3 return_type alone...
template <typename C3T3, typename MD, typename MC>
C3T3 make_mesh_3(const MD& md, const MC& mc)
{
C3T3 c3t3;
make_mesh_3_bp(c3t3,md,mc);
return c3t3;
}
template <typename C3T3, typename MD, typename MC,
typename Arg1>
C3T3 make_mesh_3(const MD& md, const MC& mc, const Arg1& a1)
{
C3T3 c3t3;
make_mesh_3_bp(c3t3,md,mc,a1);
return c3t3;
}
template <typename C3T3, typename MD, typename MC,
typename Arg1, typename Arg2>
C3T3 make_mesh_3(const MD& md, const MC& mc, const Arg1& a1, const Arg2& a2)
{
C3T3 c3t3;
make_mesh_3_bp(c3t3,md,mc,a1,a2);
return c3t3;
}
template <typename C3T3, typename MD, typename MC,
typename Arg1, typename Arg2, typename Arg3>
C3T3 make_mesh_3(const MD& md, const MC& mc, const Arg1& a1, const Arg2& a2,
const Arg3& a3)
{
C3T3 c3t3;
make_mesh_3_bp(c3t3,md,mc,a1,a2,a3);
return c3t3;
}
template <typename C3T3, typename MD, typename MC,
typename Arg1, typename Arg2, typename Arg3, typename Arg4>
C3T3 make_mesh_3(const MD& md, const MC& mc, const Arg1& a1, const Arg2& a2,
const Arg3& a3, const Arg4& a4)
{
C3T3 c3t3;
make_mesh_3_bp(c3t3,md,mc,a1,a2,a3,a4);
return c3t3;
}
BOOST_PARAMETER_FUNCTION(
(void),
make_mesh_3_bp,
parameters::tag,
(required (in_out(c3t3),*) (domain,*) (criteria,*) ) // nondeduced
(deduced
(optional
(exude_param, (parameters::internal::Exude_options), parameters::exude())
(perturb_param, (parameters::internal::Perturb_options), parameters::perturb())
(odt_param, (parameters::internal::Odt_options), parameters::no_odt())
(lloyd_param, (parameters::internal::Lloyd_options), parameters::no_lloyd())
)
)
)
{
make_mesh_3_impl(c3t3, domain, criteria,
exude_param, perturb_param, odt_param, lloyd_param);
}
/**
* @brief This function meshes the domain defined by mesh_traits
* (respecting criteria), and outputs the mesh to c3t3
*
* @param domain the domain to be discretized
* @param criteria the criteria
* @param exude if it is set to \c true, an exudation step will be done at
* the end of the Delaunay refinement process
*
* @return The mesh as a C3T3 object
*/
template<class C3T3, class MeshDomain, class MeshCriteria>
void make_mesh_3_impl(C3T3& c3t3,
const MeshDomain& domain,
const MeshCriteria& criteria,
const parameters::internal::Exude_options& exude,
const parameters::internal::Perturb_options& perturb,
const parameters::internal::Odt_options& odt,
const parameters::internal::Lloyd_options& lloyd)
{
typedef typename MeshDomain::Point_3 Point_3;
typedef typename MeshDomain::Index Index;
typedef std::vector<std::pair<Point_3, Index> > Initial_points_vector;
typedef typename Initial_points_vector::iterator Ipv_iterator;
typedef typename C3T3::Vertex_handle Vertex_handle;
// Mesh initialization : get some points and add them to the mesh
Initial_points_vector initial_points;
domain.construct_initial_points_object()(std::back_inserter(initial_points));
//C3T3 c3t3;
// Insert points and set their index and dimension
for ( Ipv_iterator it = initial_points.begin() ;
it != initial_points.end() ;
++it )
{
Vertex_handle v = c3t3.triangulation().insert(it->first);
c3t3.set_dimension(v,2); // by construction, points are on surface
c3t3.set_index(v,it->second);
}
// Build mesher and launch refinement process
// Don't reset c3t3 as we just created it
refine_mesh_3(c3t3, domain, criteria,
exude, perturb, odt, lloyd, parameters::no_reset_c3t3());
}
} // end namespace CGAL
#endif // CGAL_MAKE_MESH_3_H