133 lines
3.6 KiB
C++
133 lines
3.6 KiB
C++
// 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_SIMPLIFY_GEOGRAPHIC_HPP
|
|
#define BOOST_GEOMETRY_STRATEGIES_SIMPLIFY_GEOGRAPHIC_HPP
|
|
|
|
|
|
#include <boost/geometry/strategies/detail.hpp>
|
|
#include <boost/geometry/strategies/distance/detail.hpp>
|
|
#include <boost/geometry/strategies/simplify/services.hpp>
|
|
|
|
#include <boost/geometry/strategies/agnostic/simplify_douglas_peucker.hpp>
|
|
#include <boost/geometry/strategies/geographic/distance_cross_track.hpp>
|
|
#include <boost/geometry/strategies/spherical/point_in_point.hpp>
|
|
|
|
#include <boost/geometry/strategy/geographic/area.hpp>
|
|
|
|
|
|
namespace boost { namespace geometry
|
|
{
|
|
|
|
namespace strategies { namespace simplify
|
|
{
|
|
|
|
template
|
|
<
|
|
typename FormulaPolicy = strategy::andoyer,
|
|
typename Spheroid = srs::spheroid<double>,
|
|
typename CalculationType = void
|
|
>
|
|
class geographic
|
|
: public strategies::detail::geographic_base<Spheroid>
|
|
{
|
|
using base_t = strategies::detail::geographic_base<Spheroid>;
|
|
|
|
public:
|
|
geographic() = default;
|
|
|
|
explicit geographic(Spheroid const& spheroid)
|
|
: base_t(spheroid)
|
|
{}
|
|
|
|
// TODO: Replace this if calculate_point_order() is used in simplify
|
|
template <typename Geometry>
|
|
auto area(Geometry const&) const
|
|
{
|
|
return strategy::area::geographic
|
|
<
|
|
FormulaPolicy,
|
|
strategy::default_order<FormulaPolicy>::value,
|
|
Spheroid,
|
|
CalculationType
|
|
>(base_t::m_spheroid);
|
|
}
|
|
|
|
// For perimeter()
|
|
template <typename Geometry1, typename Geometry2>
|
|
auto distance(Geometry1 const&, Geometry2 const&,
|
|
distance::detail::enable_if_pp_t<Geometry1, Geometry2> * = nullptr) const
|
|
{
|
|
return strategy::distance::geographic
|
|
<
|
|
FormulaPolicy, Spheroid, CalculationType
|
|
>(base_t::m_spheroid);
|
|
}
|
|
|
|
// For douglas_peucker
|
|
template <typename Geometry1, typename Geometry2>
|
|
auto distance(Geometry1 const&, Geometry2 const&,
|
|
distance::detail::enable_if_ps_t<Geometry1, Geometry2> * = nullptr) const
|
|
{
|
|
return strategy::distance::geographic_cross_track
|
|
<
|
|
FormulaPolicy, Spheroid, CalculationType
|
|
>(base_t::m_spheroid);
|
|
}
|
|
|
|
// For equals()
|
|
template <typename Geometry1, typename Geometry2>
|
|
static auto relate(Geometry1 const&, Geometry2 const&,
|
|
std::enable_if_t
|
|
<
|
|
util::is_pointlike<Geometry1>::value
|
|
&& util::is_pointlike<Geometry2>::value
|
|
> * = nullptr)
|
|
{
|
|
return strategy::within::spherical_point_point();
|
|
}
|
|
};
|
|
|
|
|
|
namespace services
|
|
{
|
|
|
|
template <typename Geometry>
|
|
struct default_strategy<Geometry, geographic_tag>
|
|
{
|
|
using type = strategies::simplify::geographic<>;
|
|
};
|
|
|
|
|
|
template <typename P, typename FP, typename S, typename CT>
|
|
struct strategy_converter
|
|
<
|
|
strategy::simplify::douglas_peucker
|
|
<
|
|
P,
|
|
strategy::distance::geographic_cross_track<FP, S, CT>
|
|
>
|
|
>
|
|
{
|
|
template <typename Strategy>
|
|
static auto get(Strategy const& )
|
|
{
|
|
return strategies::simplify::geographic<FP, S, CT>();
|
|
}
|
|
};
|
|
|
|
|
|
} // namespace services
|
|
|
|
}} // namespace strategies::simplify
|
|
|
|
}} // namespace boost::geometry
|
|
|
|
#endif // BOOST_GEOMETRY_STRATEGIES_SIMPLIFY_GEOGRAPHIC_HPP
|