summaryrefslogtreecommitdiff
path: root/boost/geometry/multi/core/tags.hpp
blob: dcfca65b2f80c2315aec23646fb797871ca9848e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
// Boost.Geometry (aka GGL, Generic Geometry Library)

// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.

// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.

// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)


#ifndef BOOST_GEOMETRY_MULTI_CORE_TAGS_HPP
#define BOOST_GEOMETRY_MULTI_CORE_TAGS_HPP

#include <boost/geometry/core/tags.hpp>

namespace boost { namespace geometry
{

/// OGC Multi point identifying tag
struct multi_point_tag : multi_tag, pointlike_tag  {};

/// OGC Multi linestring identifying tag
struct multi_linestring_tag : multi_tag, linear_tag {};

/// OGC Multi polygon identifying tag
struct multi_polygon_tag : multi_tag, polygonal_tag {};

/// OGC Geometry Collection identifying tag
struct geometry_collection_tag : multi_tag {};




/*!
\brief Meta-function to get for a tag of a multi-geometry
    the tag of the corresponding single-geometry
*/
template <typename Tag>
struct single_tag_of
{};

#ifndef DOXYGEN_NO_DETAIL

template <>
struct single_tag_of<multi_point_tag>
{
    typedef point_tag type;
};

template <>
struct single_tag_of<multi_linestring_tag>
{
    typedef linestring_tag type;
};

template <>
struct single_tag_of<multi_polygon_tag>
{
    typedef polygon_tag type;
};

#endif


}} // namespace boost::geometry

#endif // BOOST_GEOMETRY_MULTI_CORE_TAGS_HPP