libcarla/include/system/boost/geometry/strategies/spherical/point_order.hpp
2024-10-18 13:19:59 +08:00

147 lines
3.9 KiB
C++

// Boost.Geometry
// Copyright (c) 2019-2020, 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_SPHERICAL_POINT_ORDER_HPP
#define BOOST_GEOMETRY_STRATEGIES_SPHERICAL_POINT_ORDER_HPP
//#include <type_traits>
#include <boost/geometry/core/tags.hpp>
#include <boost/geometry/formulas/spherical.hpp>
#include <boost/geometry/strategy/spherical/area.hpp>
#include <boost/geometry/strategies/spherical/point_in_point.hpp>
#include <boost/geometry/strategies/point_order.hpp>
#include <boost/geometry/util/math.hpp>
#include <boost/geometry/util/select_calculation_type.hpp>
namespace boost { namespace geometry
{
namespace strategy { namespace point_order
{
//template <typename CalculationType = void>
//struct spherical
//{
// typedef azimuth_tag version_tag;
//
// template <typename Geometry>
// struct result_type
// {
// typedef typename geometry::select_calculation_type_alt
// <
// CalculationType, Geometry
// >::type type;
// };
//
// template <typename Point>
// inline bool apply(Point const& p1, Point const& p2,
// typename result_type<Point>::type & azi,
// typename result_type<Point>::type & razi) const
// {
// typedef typename result_type<Point>::type calc_t;
//
// if (equals_point_point(p1, p2))
// {
// return false;
// }
//
// calc_t lon1 = geometry::get_as_radian<0>(p1);
// calc_t lat1 = geometry::get_as_radian<1>(p1);
// calc_t lon2 = geometry::get_as_radian<0>(p2);
// calc_t lat2 = geometry::get_as_radian<1>(p2);
//
// convert_latitudes<Point>(lat1, lat2);
//
// formula::result_spherical<calc_t>
// res = formula::spherical_azimuth<calc_t, true>(lon1, lat1, lon2, lat2);
//
// azi = res.azimuth;
// razi = res.reverse_azimuth;
//
// return true;
// }
//
// template <typename Point>
// inline typename result_type<Point>::type
// apply(Point const& /*p0*/, Point const& /*p1*/, Point const& /*p2*/,
// typename result_type<Point>::type const& azi1,
// typename result_type<Point>::type const& azi2) const
// {
// // TODO: support poles
// return math::longitude_distance_signed<radian>(azi1, azi2);
// }
//
//private:
// template <typename Point>
// static bool equals_point_point(Point const& p0, Point const& p1)
// {
// return strategy::within::spherical_point_point::apply(p0, p1);
// }
//
// template <typename Point, typename CalcT>
// static void convert_latitudes(CalcT & lat1, CalcT & lat2)
// {
// static const bool is_polar = std::is_same
// <
// typename geometry::cs_tag<Point>::type,
// spherical_polar_tag
// >::value;
//
// if (BOOST_GEOMETRY_CONDITION(is_polar))
// {
// CalcT pi_half = math::half_pi<CalcT>();
// lat1 = pi_half - lat1;
// lat2 = pi_half - lat2;
// }
// }
//};
template <typename CalculationType = void>
struct spherical
: strategy::area::spherical<double, CalculationType>
{
typedef area_tag version_tag;
// TEMP
static strategy::area::spherical<double, CalculationType> get_area_strategy()
{
return strategy::area::spherical<double, CalculationType>();
}
};
namespace services
{
template <>
struct default_strategy<spherical_equatorial_tag>
{
typedef spherical<> type;
};
/*template <>
struct default_strategy<spherical_polar_tag>
{
typedef spherical<> type;
};*/
} // namespace services
}} // namespace strategy::point_order
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_STRATEGIES_SPHERICAL_POINT_ORDER_HPP