strategies/centroid/spherical.hpp

0001 // Boost.Geometry
0002
0003 // Copyright (c) 2025 Adam Wulkiewicz, Lodz, Poland.
0004
0005 // Copyright (c) 2021, Oracle and/or its affiliates.
0006
0007 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
0008
0009 // Licensed under the Boost Software License version 1.0.
0010 // http://www.boost.org/users/license.html
0011
0012 #ifndef BOOST_GEOMETRY_STRATEGIES_CENTROID_SPHERICAL_HPP
0013 #define BOOST_GEOMETRY_STRATEGIES_CENTROID_SPHERICAL_HPP
0014
0015
0016 #include <boost/geometry/strategies/detail.hpp>
0017 #include <boost/geometry/strategies/centroid.hpp>
0018 #include <boost/geometry/strategies/centroid/services.hpp>
0019
0020
0021 namespace boost { namespace geometry
0022 {
0023
0024 namespace strategies { namespace centroid
0025 {
0026
0027 #ifndef DOXYGEN_NO_DETAIL
0028 namespace detail
0029 {
0030
0031 class spherical
0032 {
0033 public:
0034     // TODO: Box and Segment should have proper strategies.
0035     template <typename Geometry, typename Point>
0036     static auto centroid(Geometry const&, Point const&,
0037                          std::enable_if_t
0038                             <
0039                                 util::is_segment<Geometry>::value
0040                              || util::is_box<Geometry>::value
0041                             > * = nullptr)
0042     {
0043         return strategy::centroid::not_applicable_strategy();
0044     }
0045 };
0046
0047
0048 } // namespace detail
0049 #endif // DOXYGEN_NO_DETAIL
0050
0051
0052 template <typename CalculationType = void>
0053 class spherical
0054     : public strategies::detail::spherical_base<void>
0055     , public strategies::centroid::detail::spherical
0056 {
0057 public:
0058     spherical() = default;
0059 };
0060
0061
0062 namespace services
0063 {
0064
0065 template <typename Geometry>
0066 struct default_strategy<Geometry, spherical_equatorial_tag>
0067 {
0068     using type = strategies::centroid::spherical<>;
0069 };
0070
0071 } // namespace services
0072
0073 }} // namespace strategies::centroid
0074
0075 }} // namespace boost::geometry
0076
0077 #endif // BOOST_GEOMETRY_STRATEGIES_CENTROID_SPHERICAL_HPP