%PDF-
%PDF-
Mini Shell
Mini Shell
// Boost.Geometry
// Copyright (c) 2021, Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
// Licensed under the Boost Software License version 1.0.
// http://www.boost.org/users/license.html
#ifndef BOOST_GEOMETRY_STRATEGIES_DISTANCE_SPHERICAL_HPP
#define BOOST_GEOMETRY_STRATEGIES_DISTANCE_SPHERICAL_HPP
#include <boost/geometry/strategies/distance/comparable.hpp>
#include <boost/geometry/strategies/distance/detail.hpp>
#include <boost/geometry/strategies/distance/services.hpp>
#include <boost/geometry/strategies/detail.hpp>
#include <boost/geometry/strategies/normalize.hpp>
#include <boost/geometry/strategies/relate/spherical.hpp>
#include <boost/geometry/strategies/spherical/azimuth.hpp>
#include <boost/geometry/strategies/spherical/distance_cross_track.hpp>
#include <boost/geometry/strategies/spherical/distance_cross_track_box_box.hpp>
#include <boost/geometry/strategies/spherical/distance_cross_track_point_box.hpp>
#include <boost/geometry/strategies/spherical/distance_haversine.hpp>
#include <boost/geometry/strategies/spherical/distance_segment_box.hpp>
namespace boost { namespace geometry
{
namespace strategies { namespace distance
{
#ifndef DOXYGEN_NO_DETAIL
namespace detail
{
// TODO: azimuth and normalize getters would not be needed if distance_segment_box was implemented differently
// right now it calls disjoint algorithm details.
template <typename RadiusTypeOrSphere, typename CalculationType>
class spherical
: public strategies::relate::detail::spherical<RadiusTypeOrSphere, CalculationType>
{
using base_t = strategies::relate::detail::spherical<RadiusTypeOrSphere, CalculationType>;
public:
spherical() = default;
template <typename RadiusOrSphere>
explicit spherical(RadiusOrSphere const& radius_or_sphere)
: base_t(radius_or_sphere)
{}
// azimuth
static auto azimuth()
{
return strategy::azimuth::spherical<CalculationType>();
}
// distance
template <typename Geometry1, typename Geometry2>
auto distance(Geometry1 const&, Geometry2 const&,
detail::enable_if_pp_t<Geometry1, Geometry2> * = nullptr) const
{
return strategy::distance::haversine
<
typename base_t::radius_type, CalculationType
>(base_t::radius());
}
template <typename Geometry1, typename Geometry2>
auto distance(Geometry1 const&, Geometry2 const&,
detail::enable_if_ps_t<Geometry1, Geometry2> * = nullptr) const
{
return strategy::distance::cross_track
<
CalculationType,
strategy::distance::haversine<typename base_t::radius_type, CalculationType>
>(base_t::radius());
}
template <typename Geometry1, typename Geometry2>
auto distance(Geometry1 const&, Geometry2 const&,
detail::enable_if_pb_t<Geometry1, Geometry2> * = nullptr) const
{
return strategy::distance::cross_track_point_box
<
CalculationType,
strategy::distance::haversine<typename base_t::radius_type, CalculationType>
>(base_t::radius());
}
template <typename Geometry1, typename Geometry2>
auto distance(Geometry1 const&, Geometry2 const&,
detail::enable_if_sb_t<Geometry1, Geometry2> * = nullptr) const
{
return strategy::distance::spherical_segment_box
<
CalculationType,
strategy::distance::haversine<typename base_t::radius_type, CalculationType>
>(base_t::radius());
}
template <typename Geometry1, typename Geometry2>
auto distance(Geometry1 const&, Geometry2 const&,
detail::enable_if_bb_t<Geometry1, Geometry2> * = nullptr) const
{
return strategy::distance::cross_track_box_box
<
CalculationType,
strategy::distance::haversine<typename base_t::radius_type, CalculationType>
>(base_t::radius());
}
// normalize
template <typename Geometry>
static auto normalize(Geometry const&,
std::enable_if_t
<
util::is_point<Geometry>::value
> * = nullptr)
{
return strategy::normalize::spherical_point();
}
};
} // namespace detail
#endif // DOXYGEN_NO_DETAIL
template
<
typename RadiusTypeOrSphere = double,
typename CalculationType = void
>
class spherical
: public strategies::distance::detail::spherical<RadiusTypeOrSphere, CalculationType>
{
using base_t = strategies::distance::detail::spherical<RadiusTypeOrSphere, CalculationType>;
public:
spherical() = default;
template <typename RadiusOrSphere>
explicit spherical(RadiusOrSphere const& radius_or_sphere)
: base_t(radius_or_sphere)
{}
};
namespace services
{
template <typename Geometry1, typename Geometry2>
struct default_strategy
<
Geometry1, Geometry2,
spherical_equatorial_tag, spherical_equatorial_tag
>
{
using type = strategies::distance::spherical<>;
};
template <typename R, typename CT>
struct strategy_converter<strategy::distance::haversine<R, CT> >
{
template <typename S>
static auto get(S const& s)
{
return strategies::distance::spherical<R, CT>(s.radius());
}
};
template <typename CT, typename PPS>
struct strategy_converter<strategy::distance::cross_track<CT, PPS> >
: strategy_converter<PPS>
{};
template <typename CT, typename PPS>
struct strategy_converter<strategy::distance::cross_track_point_box<CT, PPS> >
: strategy_converter<PPS>
{};
template <typename CT, typename PPS>
struct strategy_converter<strategy::distance::spherical_segment_box<CT, PPS> >
: strategy_converter<PPS>
{};
template <typename CT, typename PPS>
struct strategy_converter<strategy::distance::cross_track_box_box<CT, PPS> >
: strategy_converter<PPS>
{};
template <typename R, typename CT>
struct strategy_converter<strategy::distance::comparable::haversine<R, CT> >
{
template <typename S>
static auto get(S const& s)
{
return strategies::distance::detail::make_comparable(
strategies::distance::spherical<R, CT>(s.radius()));
}
};
template <typename CT, typename PPS>
struct strategy_converter<strategy::distance::comparable::cross_track<CT, PPS> >
: strategy_converter<PPS>
{};
} // namespace services
}} // namespace strategies::distance
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_STRATEGIES_DISTANCE_SPHERICAL_HPP
Zerion Mini Shell 1.0