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1 | // Boost.Geometry (aka GGL, Generic Geometry Library) | |
2 | ||
3 | // Copyright (c) 2017-2018, Oracle and/or its affiliates. | |
4 | ||
5 | // Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle | |
6 | // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle. | |
7 | ||
8 | // Use, modification and distribution is subject to the Boost Software License, | |
9 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
10 | // http://www.boost.org/LICENSE_1_0.txt) | |
11 | ||
12 | #ifndef BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_DISTANCE_CROSS_TRACK_POINT_BOX_HPP | |
13 | #define BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_DISTANCE_CROSS_TRACK_POINT_BOX_HPP | |
14 | ||
15 | #include <boost/config.hpp> | |
16 | #include <boost/concept_check.hpp> | |
17 | #include <boost/mpl/if.hpp> | |
18 | #include <boost/type_traits/is_void.hpp> | |
19 | ||
20 | #include <boost/geometry/core/access.hpp> | |
21 | #include <boost/geometry/core/assert.hpp> | |
22 | #include <boost/geometry/core/point_type.hpp> | |
23 | #include <boost/geometry/core/radian_access.hpp> | |
24 | #include <boost/geometry/core/tags.hpp> | |
25 | ||
26 | #include <boost/geometry/strategies/distance.hpp> | |
27 | #include <boost/geometry/strategies/concepts/distance_concept.hpp> | |
28 | #include <boost/geometry/strategies/spherical/distance_cross_track.hpp> | |
29 | #include <boost/geometry/strategies/geographic/distance_cross_track.hpp> | |
30 | #include <boost/geometry/strategies/spherical/distance_cross_track_point_box.hpp> | |
31 | ||
32 | #include <boost/geometry/util/math.hpp> | |
33 | #include <boost/geometry/algorithms/detail/assign_box_corners.hpp> | |
34 | ||
35 | ||
36 | namespace boost { namespace geometry | |
37 | { | |
38 | ||
39 | namespace strategy { namespace distance | |
40 | { | |
41 | ||
42 | ||
43 | /*! | |
44 | \brief Strategy functor for distance point to box calculation | |
45 | \ingroup strategies | |
46 | \details Class which calculates the distance of a point to a box, for | |
47 | points and boxes on a sphere or globe | |
48 | \tparam CalculationType \tparam_calculation | |
49 | \tparam Strategy underlying point-segment distance strategy, defaults | |
50 | to cross track | |
51 | \qbk{ | |
52 | [heading See also] | |
53 | [link geometry.reference.algorithms.distance.distance_3_with_strategy distance (with strategy)] | |
54 | } | |
55 | */ | |
56 | template | |
57 | < | |
58 | typename FormulaPolicy = strategy::andoyer, | |
59 | typename Spheroid = srs::spheroid<double>, | |
60 | typename CalculationType = void | |
61 | > | |
62 | class geographic_cross_track_point_box | |
63 | { | |
64 | public: | |
65 | typedef geographic_cross_track<FormulaPolicy, Spheroid, CalculationType> Strategy; | |
66 | ||
67 | template <typename Point, typename Box> | |
68 | struct return_type | |
69 | : services::return_type<Strategy, Point, typename point_type<Box>::type> | |
70 | {}; | |
71 | ||
72 | inline geographic_cross_track_point_box() | |
73 | {} | |
74 | ||
75 | template <typename Point, typename Box> | |
76 | inline typename return_type<Point, Box>::type | |
77 | apply(Point const& point, Box const& box) const | |
78 | { | |
79 | /* | |
80 | #if !defined(BOOST_MSVC) | |
81 | BOOST_CONCEPT_ASSERT | |
82 | ( | |
83 | (concepts::PointSegmentDistanceStrategy | |
84 | < | |
85 | Strategy, Point, typename point_type<Box>::type | |
86 | >) | |
87 | ); | |
88 | #endif | |
89 | */ | |
90 | ||
91 | typedef typename return_type<Point, Box>::type return_type; | |
92 | ||
93 | return details::cross_track_point_box_generic | |
94 | <return_type>::apply(point, box, Strategy()); | |
95 | } | |
96 | }; | |
97 | ||
98 | ||
99 | ||
100 | #ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS | |
101 | namespace services | |
102 | { | |
103 | ||
104 | template <typename Strategy, typename Spheroid, typename CalculationType> | |
105 | struct tag<geographic_cross_track_point_box<Strategy, Spheroid, CalculationType> > | |
106 | { | |
107 | typedef strategy_tag_distance_point_box type; | |
108 | }; | |
109 | ||
110 | ||
111 | template <typename Strategy, typename Spheroid, typename CalculationType, typename P, typename Box> | |
112 | struct return_type<geographic_cross_track_point_box<Strategy, Spheroid, CalculationType>, P, Box> | |
113 | : geographic_cross_track_point_box | |
114 | < | |
115 | Strategy, Spheroid, CalculationType | |
116 | >::template return_type<P, Box> | |
117 | {}; | |
118 | ||
119 | template <typename Strategy, typename Spheroid, typename P, typename Box> | |
120 | struct return_type<geographic_cross_track_point_box<Strategy, Spheroid>, P, Box> | |
121 | : geographic_cross_track_point_box | |
122 | < | |
123 | Strategy, Spheroid | |
124 | >::template return_type<P, Box> | |
125 | {}; | |
126 | ||
127 | template <typename Strategy, typename P, typename Box> | |
128 | struct return_type<geographic_cross_track_point_box<Strategy>, P, Box> | |
129 | : geographic_cross_track_point_box | |
130 | < | |
131 | Strategy | |
132 | >::template return_type<P, Box> | |
133 | {}; | |
134 | ||
135 | template <typename Strategy, typename Spheroid, typename CalculationType> | |
136 | struct comparable_type<geographic_cross_track_point_box<Strategy, Spheroid, CalculationType> > | |
137 | { | |
138 | typedef geographic_cross_track_point_box | |
139 | < | |
140 | Strategy, Spheroid, CalculationType | |
141 | > type; | |
142 | }; | |
143 | ||
144 | ||
145 | template <typename Strategy, typename Spheroid, typename CalculationType> | |
146 | struct get_comparable<geographic_cross_track_point_box<Strategy, Spheroid, CalculationType> > | |
147 | { | |
148 | typedef geographic_cross_track_point_box<Strategy, Spheroid, CalculationType> this_strategy; | |
149 | typedef typename comparable_type<this_strategy>::type comparable_type; | |
150 | ||
151 | public: | |
152 | static inline comparable_type apply(this_strategy const&) | |
153 | { | |
154 | return comparable_type(); | |
155 | } | |
156 | }; | |
157 | ||
158 | ||
159 | template <typename Strategy, typename Spheroid, typename CalculationType, typename P, typename Box> | |
160 | struct result_from_distance | |
161 | < | |
162 | geographic_cross_track_point_box<Strategy, Spheroid, CalculationType>, P, Box | |
163 | > | |
164 | { | |
165 | private: | |
166 | typedef geographic_cross_track_point_box<Strategy, Spheroid, CalculationType> this_strategy; | |
167 | ||
168 | typedef typename this_strategy::template return_type | |
169 | < | |
170 | P, Box | |
171 | >::type return_type; | |
172 | ||
173 | public: | |
174 | template <typename T> | |
175 | static inline return_type apply(this_strategy const& strategy, | |
176 | T const& distance) | |
177 | { | |
178 | result_from_distance | |
179 | < | |
180 | Strategy, P, typename point_type<Box>::type | |
181 | >::apply(strategy, distance); | |
182 | } | |
183 | }; | |
184 | ||
185 | template <typename Point, typename Box> | |
186 | struct default_strategy | |
187 | < | |
188 | point_tag, box_tag, Point, Box, | |
189 | geographic_tag, geographic_tag | |
190 | > | |
191 | { | |
192 | typedef geographic_cross_track_point_box<> type; | |
193 | }; | |
194 | ||
195 | template <typename Box, typename Point> | |
196 | struct default_strategy | |
197 | < | |
198 | box_tag, point_tag, Box, Point, | |
199 | geographic_tag, geographic_tag | |
200 | > | |
201 | { | |
202 | typedef typename default_strategy | |
203 | < | |
204 | point_tag, box_tag, Point, Box, | |
205 | geographic_tag, geographic_tag | |
206 | >::type type; | |
207 | }; | |
208 | ||
209 | } // namespace services | |
210 | #endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS | |
211 | ||
212 | ||
213 | }} // namespace strategy::distance | |
214 | ||
215 | ||
216 | }} // namespace boost::geometry | |
217 | ||
218 | #endif // BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_DISTANCE_CROSS_TRACK_POINT_BOX_HPP |