406 lines
13 KiB
C++
406 lines
13 KiB
C++
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// Boost.Geometry
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// Copyright (c) 2020, Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, 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_RELATE_CARTESIAN_HPP
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#define BOOST_GEOMETRY_STRATEGIES_RELATE_CARTESIAN_HPP
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// TEMP - move to strategy
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#include <boost/geometry/strategies/agnostic/point_in_box_by_side.hpp>
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#include <boost/geometry/strategies/cartesian/intersection.hpp>
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#include <boost/geometry/strategies/cartesian/box_in_box.hpp>
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#include <boost/geometry/strategies/cartesian/point_in_point.hpp>
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#include <boost/geometry/strategies/cartesian/point_in_poly_crossings_multiply.hpp>
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#include <boost/geometry/strategies/cartesian/point_in_poly_franklin.hpp>
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#include <boost/geometry/strategies/cartesian/point_in_poly_winding.hpp>
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#include <boost/geometry/strategies/cartesian/disjoint_box_box.hpp>
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#include <boost/geometry/strategies/envelope/cartesian.hpp>
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#include <boost/geometry/strategies/relate/services.hpp>
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#include <boost/geometry/strategies/detail.hpp>
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#include <boost/geometry/strategy/cartesian/area.hpp>
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#include <boost/geometry/strategy/cartesian/side_robust.hpp>
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#include <boost/geometry/strategy/cartesian/side_by_triangle.hpp>
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#include <boost/geometry/strategy/cartesian/area_box.hpp>
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#include <boost/geometry/util/type_traits.hpp>
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namespace boost { namespace geometry
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{
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namespace strategies { namespace relate
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{
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template <typename CalculationType = void>
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class cartesian
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: public strategies::envelope::cartesian<CalculationType>
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{
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public:
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//area
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template <typename Geometry>
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static auto area(Geometry const&,
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std::enable_if_t<! util::is_box<Geometry>::value> * = nullptr)
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{
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return strategy::area::cartesian<CalculationType>();
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}
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template <typename Geometry>
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static auto area(Geometry const&,
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std::enable_if_t<util::is_box<Geometry>::value> * = nullptr)
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{
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return strategy::area::cartesian_box<CalculationType>();
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}
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// covered_by
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template <typename Geometry1, typename Geometry2>
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static auto covered_by(Geometry1 const&, Geometry2 const&,
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std::enable_if_t
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<
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util::is_pointlike<Geometry1>::value
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&& util::is_box<Geometry2>::value
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> * = nullptr)
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{
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return strategy::covered_by::cartesian_point_box();
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}
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template <typename Geometry1, typename Geometry2>
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static auto covered_by(Geometry1 const&, Geometry2 const&,
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std::enable_if_t
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<
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util::is_box<Geometry1>::value
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&& util::is_box<Geometry2>::value
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> * = nullptr)
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{
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return strategy::covered_by::cartesian_box_box();
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}
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// disjoint
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template <typename Geometry1, typename Geometry2>
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static auto disjoint(Geometry1 const&, Geometry2 const&,
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std::enable_if_t
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<
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util::is_box<Geometry1>::value
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&& util::is_box<Geometry2>::value
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> * = nullptr)
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{
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return strategy::disjoint::cartesian_box_box();
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}
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template <typename Geometry1, typename Geometry2>
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static auto disjoint(Geometry1 const&, Geometry2 const&,
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std::enable_if_t
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<
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util::is_segment<Geometry1>::value
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&& util::is_box<Geometry2>::value
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> * = nullptr)
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{
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// NOTE: Inconsistent name.
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return strategy::disjoint::segment_box();
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}
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// relate
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template <typename Geometry1, typename Geometry2>
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static auto relate(Geometry1 const&, Geometry2 const&,
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std::enable_if_t
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<
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util::is_pointlike<Geometry1>::value
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&& util::is_pointlike<Geometry2>::value
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> * = nullptr)
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{
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return strategy::within::cartesian_point_point();
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}
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template <typename Geometry1, typename Geometry2>
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static auto relate(Geometry1 const&, Geometry2 const&,
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std::enable_if_t
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<
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util::is_pointlike<Geometry1>::value
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&& ( util::is_linear<Geometry2>::value
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|| util::is_polygonal<Geometry2>::value )
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> * = nullptr)
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{
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return strategy::within::cartesian_winding<void, void, CalculationType>();
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}
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// The problem is that this strategy is often used with non-geometry ranges.
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// So dispatching only by geometry categories is impossible.
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// In the past it was taking two segments, now it takes 3-point sub-ranges.
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// So dispatching by segments is impossible.
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// It could be dispatched by (linear || polygonal || non-geometry point range).
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// For now implement as 0-parameter, special case relate.
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//template <typename Geometry1, typename Geometry2>
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static auto relate(/*Geometry1 const&, Geometry2 const&,
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std::enable_if_t
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<
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( util::is_linear<Geometry1>::value
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|| util::is_polygonal<Geometry1>::value )
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&& ( util::is_linear<Geometry2>::value
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|| util::is_polygonal<Geometry2>::value )
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> * = nullptr*/)
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{
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return strategy::intersection::cartesian_segments<CalculationType>();
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}
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// side
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static auto side()
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{
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using side_strategy_type
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= typename strategy::side::services::default_strategy
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<cartesian_tag, CalculationType>::type;
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return side_strategy_type();
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}
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// within
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template <typename Geometry1, typename Geometry2>
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static auto within(Geometry1 const&, Geometry2 const&,
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std::enable_if_t
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<
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util::is_pointlike<Geometry1>::value
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&& util::is_box<Geometry2>::value
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> * = nullptr)
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{
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return strategy::within::cartesian_point_box();
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}
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template <typename Geometry1, typename Geometry2>
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static auto within(Geometry1 const&, Geometry2 const&,
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std::enable_if_t
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<
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util::is_box<Geometry1>::value
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&& util::is_box<Geometry2>::value
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> * = nullptr)
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{
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return strategy::within::cartesian_box_box();
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}
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};
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namespace services
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{
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template <typename Geometry1, typename Geometry2>
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struct default_strategy<Geometry1, Geometry2, cartesian_tag, cartesian_tag>
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{
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using type = strategies::relate::cartesian<>;
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};
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template <>
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struct strategy_converter<strategy::within::cartesian_point_point>
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{
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static auto get(strategy::within::cartesian_point_point const& )
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{
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return strategies::relate::cartesian<>();
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}
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};
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template <>
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struct strategy_converter<strategy::within::cartesian_point_box>
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{
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static auto get(strategy::within::cartesian_point_box const&)
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{
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return strategies::relate::cartesian<>();
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}
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};
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template <>
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struct strategy_converter<strategy::covered_by::cartesian_point_box>
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{
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static auto get(strategy::covered_by::cartesian_point_box const&)
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{
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return strategies::relate::cartesian<>();
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}
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};
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template <>
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struct strategy_converter<strategy::covered_by::cartesian_box_box>
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{
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static auto get(strategy::covered_by::cartesian_box_box const&)
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{
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return strategies::relate::cartesian<>();
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}
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};
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template <>
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struct strategy_converter<strategy::disjoint::cartesian_box_box>
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{
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static auto get(strategy::disjoint::cartesian_box_box const&)
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{
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return strategies::relate::cartesian<>();
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}
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};
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template <>
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struct strategy_converter<strategy::disjoint::segment_box>
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{
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static auto get(strategy::disjoint::segment_box const&)
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{
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return strategies::relate::cartesian<>();
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}
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};
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template <>
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struct strategy_converter<strategy::within::cartesian_box_box>
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{
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static auto get(strategy::within::cartesian_box_box const&)
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{
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return strategies::relate::cartesian<>();
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}
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};
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template <typename P1, typename P2, typename CalculationType>
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struct strategy_converter<strategy::within::cartesian_winding<P1, P2, CalculationType>>
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{
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static auto get(strategy::within::cartesian_winding<P1, P2, CalculationType> const& )
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{
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return strategies::relate::cartesian<CalculationType>();
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}
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};
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template <typename CalculationType>
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struct strategy_converter<strategy::intersection::cartesian_segments<CalculationType>>
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{
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static auto get(strategy::intersection::cartesian_segments<CalculationType> const& )
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{
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return strategies::relate::cartesian<CalculationType>();
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}
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};
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template <typename CalculationType>
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struct strategy_converter<strategy::within::cartesian_point_box_by_side<CalculationType>>
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{
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struct altered_strategy
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: strategies::relate::cartesian<CalculationType>
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{
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template <typename Geometry1, typename Geometry2>
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static auto covered_by(Geometry1 const&, Geometry2 const&,
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std::enable_if_t
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<
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util::is_pointlike<Geometry1>::value
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&& util::is_box<Geometry2>::value
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> * = nullptr)
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{
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return strategy::covered_by::cartesian_point_box_by_side<CalculationType>();
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}
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template <typename Geometry1, typename Geometry2>
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static auto within(Geometry1 const&, Geometry2 const&,
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std::enable_if_t
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<
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util::is_pointlike<Geometry1>::value
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&& util::is_box<Geometry2>::value
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> * = nullptr)
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{
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return strategy::within::cartesian_point_box_by_side<CalculationType>();
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}
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};
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static auto get(strategy::covered_by::cartesian_point_box_by_side<CalculationType> const&)
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{
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return altered_strategy();
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}
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static auto get(strategy::within::cartesian_point_box_by_side<CalculationType> const&)
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{
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return altered_strategy();
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}
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};
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template <typename CalculationType>
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struct strategy_converter<strategy::covered_by::cartesian_point_box_by_side<CalculationType>>
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: strategy_converter<strategy::within::cartesian_point_box_by_side<CalculationType>>
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{};
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template <typename P1, typename P2, typename CalculationType>
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struct strategy_converter<strategy::within::franklin<P1, P2, CalculationType>>
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{
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struct altered_strategy
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: strategies::relate::cartesian<CalculationType>
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{
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template <typename Geometry1, typename Geometry2>
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static auto relate(Geometry1 const&, Geometry2 const&,
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std::enable_if_t
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<
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util::is_pointlike<Geometry1>::value
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&& ( util::is_linear<Geometry2>::value
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|| util::is_polygonal<Geometry2>::value )
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> * = nullptr)
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{
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return strategy::within::franklin<void, void, CalculationType>();
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}
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};
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static auto get(strategy::within::franklin<P1, P2, CalculationType> const&)
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{
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return altered_strategy();
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}
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};
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template <typename P1, typename P2, typename CalculationType>
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struct strategy_converter<strategy::within::crossings_multiply<P1, P2, CalculationType>>
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{
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struct altered_strategy
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: strategies::relate::cartesian<CalculationType>
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{
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template <typename Geometry1, typename Geometry2>
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static auto relate(Geometry1 const&, Geometry2 const&,
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std::enable_if_t
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<
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util::is_pointlike<Geometry1>::value
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&& ( util::is_linear<Geometry2>::value
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|| util::is_polygonal<Geometry2>::value )
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> * = nullptr)
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{
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return strategy::within::crossings_multiply<void, void, CalculationType>();
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}
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};
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static auto get(strategy::within::crossings_multiply<P1, P2, CalculationType> const&)
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{
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return altered_strategy();
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}
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};
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// TEMP used in distance segment/box
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template <typename CalculationType>
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struct strategy_converter<strategy::side::side_by_triangle<CalculationType>>
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{
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static auto get(strategy::side::side_by_triangle<CalculationType> const&)
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{
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return strategies::relate::cartesian<CalculationType>();
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}
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};
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template <typename CalculationType>
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struct strategy_converter<strategy::side::side_robust<CalculationType>>
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{
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static auto get(strategy::side::side_robust<CalculationType> const&)
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{
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return strategies::relate::cartesian<CalculationType>();
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}
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};
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} // namespace services
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}} // namespace strategies::relate
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_STRATEGIES_RELATE_CARTESIAN_HPP
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