mirror of https://github.com/CGAL/cgal
138 lines
5.4 KiB
C++
138 lines
5.4 KiB
C++
// Copyright (c) 2012 GeometryFactory (France).
|
|
// All rights reserved.
|
|
//
|
|
// This file is part of CGAL (www.cgal.org).
|
|
// 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.
|
|
//
|
|
// 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) : Sebastien Loriot
|
|
//
|
|
|
|
#ifndef CGAL_POLYHEDRON_SIMPLEX_PROPERTY_MAP_H
|
|
#define CGAL_POLYHEDRON_SIMPLEX_PROPERTY_MAP_H
|
|
|
|
#include <CGAL/property_map.h>
|
|
#include <boost/type_traits/is_const.hpp>
|
|
#include <boost/mpl/if.hpp>
|
|
#include <CGAL/boost/graph/graph_traits_Polyhedron_3.h>
|
|
#include <CGAL/boost/graph/properties_Polyhedron_3.h>
|
|
|
|
namespace CGAL{
|
|
|
|
//property map
|
|
template <class Polyhedron>
|
|
struct Triangle_from_facet_handle_property_map{
|
|
Triangle_from_facet_handle_property_map(Polyhedron* = NULL){}
|
|
//classical typedefs
|
|
typedef typename boost::mpl::if_<
|
|
typename boost::is_const<Polyhedron>::type,
|
|
typename Polyhedron::Facet_const_handle,
|
|
typename Polyhedron::Facet_handle >::type key_type;
|
|
typedef typename Polyhedron::Traits::Kernel::Triangle_3 value_type;
|
|
typedef value_type reference;
|
|
typedef boost::readable_property_map_tag category;
|
|
};
|
|
//get function for property map
|
|
template <class Polyhedron>
|
|
inline
|
|
typename Polyhedron::Traits::Kernel::Triangle_3
|
|
get(Triangle_from_facet_handle_property_map<Polyhedron>,
|
|
typename Triangle_from_facet_handle_property_map<Polyhedron>::key_type f)
|
|
{
|
|
typedef typename Polyhedron::Traits::Kernel Kernel;
|
|
CGAL_precondition(f->halfedge() == f->halfedge()->next()->next()->next());
|
|
const typename Kernel::Point_3& a = f->halfedge()->vertex()->point();
|
|
const typename Kernel::Point_3& b = f->halfedge()->next()->vertex()->point();
|
|
const typename Kernel::Point_3& c = f->halfedge()->next()->next()->vertex()->point();
|
|
return typename Kernel::Triangle_3(a,b,c);
|
|
}
|
|
|
|
|
|
template <class HalfedgeGraph>
|
|
struct Segment_from_edge_descriptor_property_map{
|
|
Segment_from_edge_descriptor_property_map(const HalfedgeGraph* g= NULL):m_graph( const_cast<HalfedgeGraph*>(g) ){}
|
|
//classical typedefs
|
|
typedef typename boost::property_traits< typename boost::property_map< HalfedgeGraph, vertex_point_t>::type >::value_type Point;
|
|
typedef typename boost::graph_traits<HalfedgeGraph>::edge_descriptor key_type;
|
|
typedef typename Kernel_traits<Point>::Kernel::Segment_3 value_type;
|
|
|
|
typedef value_type reference;
|
|
typedef boost::readable_property_map_tag category;
|
|
//data
|
|
HalfedgeGraph* m_graph;
|
|
};
|
|
//get function for property map
|
|
template <class HalfedgeGraph>
|
|
inline
|
|
typename Segment_from_edge_descriptor_property_map<HalfedgeGraph>::value_type
|
|
get(Segment_from_edge_descriptor_property_map<HalfedgeGraph> pmap,
|
|
typename Segment_from_edge_descriptor_property_map<HalfedgeGraph>::key_type h)
|
|
{
|
|
typedef typename boost::property_traits< typename boost::property_map< HalfedgeGraph, vertex_point_t>::type >::value_type Point;
|
|
typedef typename Kernel_traits<Point>::Kernel Kernel;
|
|
const Point& a = boost::source(h,*pmap.m_graph)->point();
|
|
const Point& b = boost::target(h,*pmap.m_graph)->point();
|
|
return typename Kernel::Segment_3(a,b);
|
|
}
|
|
|
|
|
|
//property map to access a point from a facet handle
|
|
template <class Polyhedron>
|
|
struct One_point_from_facet_handle_property_map{
|
|
One_point_from_facet_handle_property_map(Polyhedron* = NULL){}
|
|
//classical typedefs
|
|
typedef typename boost::mpl::if_<
|
|
typename boost::is_const<Polyhedron>::type,
|
|
typename Polyhedron::Facet_const_handle,
|
|
typename Polyhedron::Facet_handle >::type key_type;
|
|
typedef typename Polyhedron::Traits::Kernel::Point_3 value_type;
|
|
typedef const value_type& reference;
|
|
typedef boost::lvalue_property_map_tag category;
|
|
};
|
|
//get function for property map
|
|
template <class Polyhedron>
|
|
inline
|
|
typename One_point_from_facet_handle_property_map<Polyhedron>::reference
|
|
get(One_point_from_facet_handle_property_map<Polyhedron>,
|
|
typename One_point_from_facet_handle_property_map<Polyhedron>::key_type f)
|
|
{
|
|
return f->halfedge()->vertex()->point();
|
|
}
|
|
|
|
//property map to access a point from an edge
|
|
template <class HalfedgeGraph>
|
|
struct Source_point_from_edge_descriptor{
|
|
Source_point_from_edge_descriptor(const HalfedgeGraph* g= NULL):m_graph( const_cast<HalfedgeGraph*>(g) ){}
|
|
//classical typedefs
|
|
typedef typename boost::property_traits< typename boost::property_map< HalfedgeGraph, vertex_point_t>::type >::value_type value_type;
|
|
typedef typename boost::property_traits< typename boost::property_map< HalfedgeGraph, vertex_point_t>::type >::reference reference;
|
|
typedef typename boost::graph_traits<HalfedgeGraph>::edge_descriptor key_type;
|
|
typedef boost::readable_property_map_tag category;
|
|
//data
|
|
HalfedgeGraph* m_graph;
|
|
};
|
|
//get function for property map
|
|
template <class HalfedgeGraph>
|
|
inline
|
|
typename Source_point_from_edge_descriptor<HalfedgeGraph>::reference
|
|
get(Source_point_from_edge_descriptor<HalfedgeGraph> pmap,
|
|
typename boost::graph_traits<HalfedgeGraph>::edge_descriptor h)
|
|
{
|
|
return boost::source(h,*pmap.m_graph)->point();
|
|
}
|
|
|
|
} //namespace CGAL
|
|
|
|
#endif //CGAL_POLYHEDRON_SIMPLEX_PROPERTY_MAP_H
|