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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
// 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_STRATEGIES_DISTANCE_HPP
#define BOOST_GEOMETRY_STRATEGIES_DISTANCE_HPP
#include <boost/mpl/assert.hpp>
#include <boost/geometry/core/cs.hpp>
#include <boost/geometry/strategies/tags.hpp>
namespace boost { namespace geometry
{
namespace strategy { namespace distance { namespace services
{
template <typename Strategy> struct tag {};
template <typename Strategy> struct return_type
{
BOOST_MPL_ASSERT_MSG
(
false, NOT_IMPLEMENTED_FOR_THIS_STRATEGY, (types<Strategy>)
);
};
/*!
\brief Metafunction delivering a similar strategy with other input point types
*/
template
<
typename Strategy,
typename Point1,
typename Point2
>
struct similar_type
{
BOOST_MPL_ASSERT_MSG
(
false, NOT_IMPLEMENTED_FOR_THIS_STRATEGY
, (types<Strategy, Point1, Point2>)
);
};
template
<
typename Strategy,
typename Point1,
typename Point2
>
struct get_similar
{
BOOST_MPL_ASSERT_MSG
(
false, NOT_IMPLEMENTED_FOR_THIS_STRATEGY
, (types<Strategy, Point1, Point2>)
);
};
template <typename Strategy> struct comparable_type
{
BOOST_MPL_ASSERT_MSG
(
false, NOT_IMPLEMENTED_FOR_THIS_STRATEGY, (types<Strategy>)
);
};
template <typename Strategy> struct get_comparable
{
BOOST_MPL_ASSERT_MSG
(
false, NOT_IMPLEMENTED_FOR_THIS_STRATEGY, (types<Strategy>)
);
};
template <typename Strategy> struct result_from_distance {};
// For point-segment only:
template <typename Strategy> struct strategy_point_point {};
// Default strategy
/*!
\brief Traits class binding a default strategy for distance
to one (or possibly two) coordinate system(s)
\ingroup distance
\tparam GeometryTag tag (point/segment) for which this strategy is the default
\tparam Point1 first point-type
\tparam Point2 second point-type
\tparam CsTag1 tag of coordinate system of first point type
\tparam CsTag2 tag of coordinate system of second point type
*/
template
<
typename GeometryTag,
typename Point1,
typename Point2 = Point1,
typename CsTag1 = typename cs_tag<Point1>::type,
typename CsTag2 = typename cs_tag<Point2>::type,
typename UnderlyingStrategy = void
>
struct default_strategy
{
BOOST_MPL_ASSERT_MSG
(
false, NOT_IMPLEMENTED_FOR_THIS_POINT_TYPE_COMBINATION
, (types<Point1, Point2, CsTag1, CsTag2>)
);
};
}}} // namespace strategy::distance::services
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_STRATEGIES_DISTANCE_HPP
|
