1 // Boost.Geometry (aka GGL, Generic Geometry Library)
2 
3 // Copyright (c) 2017 Oracle and/or its affiliates.
4 // Contributed and/or modified by Vissarion Fisikopoulos, on behalf of Oracle
5 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
6 
7 // Use, modification and distribution is subject to the Boost Software License,
8 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
9 // http://www.boost.org/LICENSE_1_0.txt)
10 
11 #ifndef BOOST_GEOMETRY_STRATEGIES_SPHERICAL_ENVELOPE_SEGMENT_HPP
12 #define BOOST_GEOMETRY_STRATEGIES_SPHERICAL_ENVELOPE_SEGMENT_HPP
13 
14 #include <boost/geometry/algorithms/detail/envelope/segment.hpp>
15 #include <boost/geometry/algorithms/detail/normalize.hpp>
16 #include <boost/geometry/strategies/envelope.hpp>
17 #include <boost/geometry/strategies/spherical/azimuth.hpp>
18 
19 namespace boost { namespace geometry
20 {
21 
22 namespace strategy { namespace envelope
23 {
24 
25 template
26 <
27     typename CalculationType = void
28 >
29 class spherical_segment
30 {
31 public :
32 
spherical_segment()33     inline spherical_segment()
34     {}
35 
36     template <typename Point1, typename Point2, typename Box>
37     inline void
apply(Point1 const & point1,Point2 const & point2,Box & box) const38     apply(Point1 const& point1, Point2 const& point2, Box& box) const
39     {
40         Point1 p1_normalized = detail::return_normalized<Point1>(point1);
41         Point2 p2_normalized = detail::return_normalized<Point2>(point2);
42 
43         geometry::strategy::azimuth::spherical<CalculationType> azimuth_spherical;
44 
45         typedef typename coordinate_system<Point1>::type::units units_type;
46 
47         geometry::detail::envelope::envelope_segment_impl<spherical_equatorial_tag>
48                 ::template apply<units_type>(geometry::get<0>(p1_normalized),
49                                              geometry::get<1>(p1_normalized),
50                                              geometry::get<0>(p2_normalized),
51                                              geometry::get<1>(p2_normalized),
52                                              box,
53                                              azimuth_spherical);
54 
55   }
56 };
57 
58 #ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
59 
60 namespace services
61 {
62 
63 template <typename CalculationType>
64 struct default_strategy<spherical_equatorial_tag, CalculationType>
65 {
66     typedef strategy::envelope::spherical_segment<CalculationType> type;
67 };
68 
69 
70 template <typename CalculationType>
71 struct default_strategy<spherical_polar_tag, CalculationType>
72 {
73     typedef strategy::envelope::spherical_segment<CalculationType> type;
74 };
75 
76 }
77 
78 #endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
79 
80 
81 }} // namespace strategy::envelope
82 
83 }} //namepsace boost::geometry
84 
85 #endif // BOOST_GEOMETRY_STRATEGIES_SPHERICAL_ENVELOPE_SEGMENT_HPP
86 
87