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
|
// 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_ALGORITHMS_COVERED_BY_HPP
#define BOOST_GEOMETRY_MULTI_ALGORITHMS_COVERED_BY_HPP
#include <boost/geometry/algorithms/covered_by.hpp>
#include <boost/geometry/multi/core/closure.hpp>
#include <boost/geometry/multi/core/point_order.hpp>
#include <boost/geometry/multi/core/tags.hpp>
#include <boost/geometry/multi/algorithms/within.hpp>
namespace boost { namespace geometry
{
#ifndef DOXYGEN_NO_DISPATCH
namespace dispatch
{
template <typename Point, typename MultiPolygon>
struct covered_by<Point, MultiPolygon, point_tag, multi_polygon_tag>
{
template <typename Strategy>
static inline bool apply(Point const& point,
MultiPolygon const& multi_polygon, Strategy const& strategy)
{
return detail::within::geometry_multi_within_code
<
Point,
MultiPolygon,
Strategy,
detail::within::point_in_polygon
<
Point,
typename boost::range_value<MultiPolygon>::type,
order_as_direction
<
geometry::point_order<MultiPolygon>::value
>::value,
geometry::closure<MultiPolygon>::value,
Strategy
>
>::apply(point, multi_polygon, strategy) >= 0;
}
};
} // namespace dispatch
#endif // DOXYGEN_NO_DISPATCH
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_MULTI_ALGORITHMS_COVERED_BY_HPP
|
