101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
// Boost.Geometry
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// Copyright (c) 2023 Adam Wulkiewicz, Lodz, Poland.
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// Copyright (c) 2021, Oracle and/or its affiliates.
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// Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle
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// Licensed under the Boost Software License version 1.0.
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// http://www.boost.org/users/license.html
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#ifndef BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_CLOSEST_POINTS_CROSS_TRACK_HPP
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#define BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_CLOSEST_POINTS_CROSS_TRACK_HPP
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#include <boost/geometry/core/coordinate_dimension.hpp>
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#include <boost/geometry/core/coordinate_promotion.hpp>
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#include <boost/geometry/core/coordinate_system.hpp>
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#include <boost/geometry/core/radian_access.hpp>
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#include <boost/geometry/geometries/point.hpp>
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#include <boost/geometry/srs/spheroid.hpp>
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#include <boost/geometry/strategies/geographic/distance_cross_track.hpp>
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#include <boost/geometry/util/select_calculation_type.hpp>
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namespace boost { namespace geometry
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{
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namespace strategy { namespace closest_points
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{
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template
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<
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typename FormulaPolicy = geometry::strategy::andoyer,
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typename Spheroid = srs::spheroid<double>,
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typename CalculationType = void
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>
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class geographic_cross_track
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: public distance::detail::geographic_cross_track
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<
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FormulaPolicy,
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Spheroid,
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CalculationType,
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false,
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true
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>
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{
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using base_t = distance::detail::geographic_cross_track
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<
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FormulaPolicy,
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Spheroid,
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CalculationType,
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false,
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true
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>;
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template <typename Point, typename PointOfSegment>
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struct calculation_type
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: promote_floating_point
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<
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typename select_calculation_type
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<
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Point,
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PointOfSegment,
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CalculationType
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>::type
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>
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{};
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public :
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explicit geographic_cross_track(Spheroid const& spheroid = Spheroid())
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: base_t(spheroid)
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{}
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template <typename Point, typename PointOfSegment>
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auto apply(Point const& p,
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PointOfSegment const& sp1,
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PointOfSegment const& sp2) const
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{
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auto result = base_t::apply(get_as_radian<0>(sp1), get_as_radian<1>(sp1),
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get_as_radian<0>(sp2), get_as_radian<1>(sp2),
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get_as_radian<0>(p), get_as_radian<1>(p),
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base_t::m_spheroid);
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model::point
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<
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typename calculation_type<Point, PointOfSegment>::type,
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dimension<PointOfSegment>::value,
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typename coordinate_system<PointOfSegment>::type
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> cp;
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geometry::set_from_radian<0>(cp, result.lon);
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geometry::set_from_radian<1>(cp, result.lat);
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return cp;
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}
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};
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}} // namespace strategy::closest_points
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_STRATEGIES_GEOGRAPHIC_CLOSEST_POINTS_CROSS_TRACK_HPP
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