147 lines
5.8 KiB
C++
147 lines
5.8 KiB
C++
// 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_INDEX_CARTESIAN_HPP
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#define BOOST_GEOMETRY_STRATEGIES_INDEX_CARTESIAN_HPP
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// TODO: move to strategy directory
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#include <boost/geometry/strategies/cartesian/distance_projected_point.hpp>
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#include <boost/geometry/strategies/cartesian/distance_pythagoras.hpp>
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#include <boost/geometry/strategies/cartesian/distance_segment_box.hpp>
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#include <boost/geometry/strategies/index/services.hpp>
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#include <boost/geometry/strategies/relate/cartesian.hpp>
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namespace boost { namespace geometry { namespace strategies { namespace index
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{
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template <typename CalculationType = void>
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class cartesian
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: public relate::cartesian<CalculationType>
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{
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public:
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template <typename Geometry1, typename Geometry2>
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static auto comparable_distance(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 geometry::strategy::distance::comparable::pythagoras<CalculationType>();
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return geometry::strategy::distance::pythagoras<CalculationType>();
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}
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template <typename Geometry1, typename Geometry2>
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static auto comparable_distance(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_segment<Geometry2>::value)
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|| (util::is_segment<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 geometry::strategy::distance::projected_point
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<
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CalculationType,
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//geometry::strategy::distance::comparable::pythagoras<CalculationType>
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geometry::strategy::distance::pythagoras<CalculationType>
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>();
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}
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template <typename Geometry1, typename Geometry2>
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static auto comparable_distance(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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|| (util::is_box<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 geometry::strategy::distance::comparable::pythagoras_point_box<CalculationType>();
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return geometry::strategy::distance::pythagoras_point_box<CalculationType>();
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}
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template <typename Geometry1, typename Geometry2>
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static auto comparable_distance(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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|| (util::is_box<Geometry1>::value
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&& util::is_segment<Geometry2>::value)
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> * = nullptr)
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{
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return geometry::strategy::distance::cartesian_segment_box
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<
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CalculationType,
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//geometry::strategy::distance::comparable::pythagoras<CalculationType>
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geometry::strategy::distance::pythagoras<CalculationType>
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>();
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}
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template <typename Geometry1, typename Geometry2>
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static auto comparable_distance(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_segment<Geometry2>::value
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> * = nullptr)
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{
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return strategy::distance::projected_point
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<
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CalculationType,
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//strategy::distance::comparable::pythagoras<CalculationType>
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strategy::distance::pythagoras<CalculationType>
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>();
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}
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};
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namespace services
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{
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template <typename Geometry>
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struct default_strategy<Geometry, cartesian_tag>
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{
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using type = strategies::index::cartesian<>;
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};
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// TEMP - needed in distance until umbrella strategies are supported
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template <typename CalculationType, typename SubStrategy>
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struct strategy_converter<strategy::distance::projected_point<CalculationType, SubStrategy>>
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{
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static auto get(strategy::distance::projected_point<CalculationType, SubStrategy> const& )
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{
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return strategies::index::cartesian<CalculationType>();
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}
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};
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// TEMP - needed in distance until umbrella strategies are supported
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template <typename CalculationType>
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struct strategy_converter<strategy::distance::comparable::pythagoras<CalculationType>>
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{
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static auto get(strategy::distance::comparable::pythagoras<CalculationType> const&)
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{
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return strategies::index::cartesian<CalculationType>();
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}
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};
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} // namespace services
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}}}} // namespace boost::geometry::strategy::index
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#endif // BOOST_GEOMETRY_STRATEGIES_INDEX_CARTESIAN_HPP
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