strategies/io/spherical.hpp

0001 // Boost.Geometry
0002
0003 // Copyright (c) 2019-2020, Oracle and/or its affiliates.
0004
0005 // Contributed and/or modified by Adam Wulkiewicz, 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_IO_SPHERICAL_HPP
0011 #define BOOST_GEOMETRY_STRATEGIES_IO_SPHERICAL_HPP
0012
0013
0014 #include <boost/geometry/strategies/detail.hpp>
0015 #include <boost/geometry/strategies/io/services.hpp>
0016
0017 #include <boost/geometry/strategies/spherical/point_order.hpp>
0018 #include <boost/geometry/strategies/spherical/point_in_point.hpp>
0019 #include <boost/geometry/strategies/spherical/point_in_poly_winding.hpp>
0020
0021
0022 namespace boost { namespace geometry
0023 {
0024
0025 namespace strategies { namespace io
0026 {
0027
0028 template <typename CalculationType = void>
0029 class spherical
0030     : public strategies::detail::spherical_base<void>
0031 {
0032 public:
0033     static auto point_order()
0034     {
0035         return strategy::point_order::spherical<CalculationType>();
0036     }
0037
0038     template <typename Geometry1, typename Geometry2>
0039     static auto relate(Geometry1 const&, Geometry2 const&,
0040                        std::enable_if_t
0041                             <
0042                                 util::is_pointlike<Geometry1>::value
0043                              && util::is_pointlike<Geometry2>::value
0044                             > * = nullptr)
0045     {
0046         return strategy::within::spherical_point_point();
0047     }
0048
0049     template <typename Geometry1, typename Geometry2>
0050     static auto relate(Geometry1 const&, Geometry2 const&,
0051                        std::enable_if_t
0052                             <
0053                                 util::is_pointlike<Geometry1>::value
0054                              && ( util::is_linear<Geometry2>::value
0055                                || util::is_polygonal<Geometry2>::value )
0056                             > * = nullptr)
0057     {
0058         return strategy::within::spherical_winding<void, void, CalculationType>();
0059     }
0060 };
0061
0062 namespace services
0063 {
0064
0065 template <typename Geometry>
0066 struct default_strategy<Geometry, spherical_tag>
0067 {
0068     typedef spherical<> type;
0069 };
0070
0071 template <typename Geometry>
0072 struct default_strategy<Geometry, spherical_equatorial_tag>
0073 {
0074     typedef spherical<> type;
0075 };
0076
0077 template <typename Geometry>
0078 struct default_strategy<Geometry, spherical_polar_tag>
0079 {
0080     typedef spherical<> type;
0081 };
0082
0083 } // namespace services
0084
0085 }} // namespace strategies::io
0086
0087 }} // namespace boost::geometry
0088
0089 #endif // BOOST_GEOMETRY_STRATEGIES_IO_SPHERICAL_HPP