1// Boost.Geometry (aka GGL, Generic Geometry Library)
2
3// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
4// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
5// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
6
7// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
8// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
9
10// Use, modification and distribution is subject to the Boost Software License,
11// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
12// http://www.boost.org/LICENSE_1_0.txt)
13
14
15#ifndef BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_MULTI_POINT_CONCEPT_HPP
16#define BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_MULTI_POINT_CONCEPT_HPP
17
18
19#include <boost/concept_check.hpp>
20#include <boost/range/concepts.hpp>
21#include <boost/range/metafunctions.hpp>
22
23
24#include <boost/geometry/geometries/concepts/point_concept.hpp>
25
26
27namespace boost { namespace geometry { namespace concept
28{
29
30
31/*!
32\brief MultiPoint concept
33\ingroup concepts
34\par Formal definition:
35The multi point concept is defined as following:
36- there must be a specialization of traits::tag defining multi_point_tag as type
37- it must behave like a Boost.Range
38- its range value must fulfil the Point concept
39
40*/
41template <typename Geometry>
42class MultiPoint
43{
44#ifndef DOXYGEN_NO_CONCEPT_MEMBERS
45 typedef typename boost::range_value<Geometry>::type point_type;
46
47 BOOST_CONCEPT_ASSERT( (concept::Point<point_type>) );
48 BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<Geometry>) );
49
50
51public :
52
53 BOOST_CONCEPT_USAGE(MultiPoint)
54 {
55 Geometry* mp = 0;
56 traits::clear<Geometry>::apply(*mp);
57 traits::resize<Geometry>::apply(*mp, 0);
58 point_type* point = 0;
59 traits::push_back<Geometry>::apply(*mp, *point);
60 }
61#endif
62};
63
64
65/*!
66\brief concept for multi-point (const version)
67\ingroup const_concepts
68*/
69template <typename Geometry>
70class ConstMultiPoint
71{
72#ifndef DOXYGEN_NO_CONCEPT_MEMBERS
73 typedef typename boost::range_value<Geometry>::type point_type;
74
75 BOOST_CONCEPT_ASSERT( (concept::ConstPoint<point_type>) );
76 BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<Geometry>) );
77
78
79public :
80
81 BOOST_CONCEPT_USAGE(ConstMultiPoint)
82 {
83 }
84#endif
85};
86
87}}} // namespace boost::geometry::concept
88
89
90#endif // BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_MULTI_POINT_CONCEPT_HPP
91

source code of boost/boost/geometry/geometries/concepts/multi_point_concept.hpp