Added thirdparty: boost library

2026-08-19 13:48:11 +00:00 · 2024-01-06 19:55:56 +02:00
parent bf49f439e1
commit bccd1e7051
15683 changed files with 3239840 additions and 0 deletions
@@ -0,0 +1,132 @@
+// 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