strategies/closest_points/spherical.hpp

0001 // Boost.Geometry
0002
0003 // Copyright (c) 2021, Oracle and/or its affiliates.
0004
0005 // Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle
0006
0007 // Licensed under the Boost Software License version 1.0.
0008 // http://www.boost.org/users/license.html
0009
0010 #ifndef BOOST_GEOMETRY_STRATEGIES_CLOSEST_POINTS_SPHERICAL_HPP
0011 #define BOOST_GEOMETRY_STRATEGIES_CLOSEST_POINTS_SPHERICAL_HPP
0012
0013 #include <boost/geometry/strategies/spherical/closest_points_pt_seg.hpp>
0014
0015 #include <boost/geometry/strategies/detail.hpp>
0016 #include <boost/geometry/strategies/distance/detail.hpp>
0017 #include <boost/geometry/strategies/closest_points/services.hpp>
0018
0019 #include <boost/geometry/strategies/distance/spherical.hpp>
0020
0021 #include <boost/geometry/util/type_traits.hpp>
0022
0023
0024 namespace boost { namespace geometry
0025 {
0026
0027 namespace strategies { namespace closest_points
0028 {
0029
0030 template
0031 <
0032     typename RadiusTypeOrSphere = double,
0033     typename CalculationType = void
0034 >
0035 class spherical
0036     : public strategies::distance::spherical<RadiusTypeOrSphere, CalculationType>
0037 {
0038     using base_t = strategies::distance::spherical<RadiusTypeOrSphere, CalculationType>;
0039
0040 public:
0041     spherical() = default;
0042
0043     template <typename RadiusOrSphere>
0044     explicit spherical(RadiusOrSphere const& radius_or_sphere)
0045         : base_t(radius_or_sphere)
0046     {}
0047
0048     template <typename Geometry1, typename Geometry2>
0049     auto closest_points(Geometry1 const&, Geometry2 const&,
0050                         distance::detail::enable_if_ps_t<Geometry1, Geometry2> * = nullptr) const
0051     {
0052         return strategy::closest_points::cross_track<CalculationType>(base_t::radius());
0053     }
0054 };
0055
0056
0057 namespace services
0058 {
0059
0060 template <typename Geometry1, typename Geometry2>
0061 struct default_strategy
0062 <
0063     Geometry1,
0064     Geometry2,
0065     spherical_equatorial_tag,
0066     spherical_equatorial_tag
0067 >
0068 {
0069     using type = strategies::closest_points::spherical<>;
0070 };
0071
0072 } // namespace services
0073
0074 }} // namespace strategies::closest_points
0075
0076 }} // namespace boost::geometry
0077
0078 #endif // BOOST_GEOMETRY_STRATEGIES_CLOSEST_POINTS_SPHERICAL_HPP