123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147 |
- // Boost.Geometry (aka GGL, Generic Geometry Library)
- // Copyright (c) 2014, 2019, Oracle and/or its affiliates.
- // Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
- // 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_ALGORITHMS_DETAIL_DISTANCE_LINEAR_OR_AREAL_TO_AREAL_HPP
- #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_DISTANCE_LINEAR_OR_AREAL_TO_AREAL_HPP
- #include <boost/geometry/core/point_type.hpp>
- #include <boost/geometry/strategies/distance.hpp>
- #include <boost/geometry/algorithms/intersects.hpp>
- #include <boost/geometry/algorithms/detail/distance/linear_to_linear.hpp>
- namespace boost { namespace geometry
- {
- #ifndef DOXYGEN_NO_DETAIL
- namespace detail { namespace distance
- {
- template <typename Linear, typename Areal, typename Strategy>
- struct linear_to_areal
- {
- typedef typename strategy::distance::services::return_type
- <
- Strategy,
- typename point_type<Linear>::type,
- typename point_type<Areal>::type
- >::type return_type;
- static inline return_type apply(Linear const& linear,
- Areal const& areal,
- Strategy const& strategy)
- {
- if ( geometry::intersects(linear, areal,
- strategy.get_relate_segment_segment_strategy()) )
- {
- return 0;
- }
- return linear_to_linear
- <
- Linear, Areal, Strategy
- >::apply(linear, areal, strategy, false);
- }
- static inline return_type apply(Areal const& areal,
- Linear const& linear,
- Strategy const& strategy)
- {
- return apply(linear, areal, strategy);
- }
- };
- template <typename Areal1, typename Areal2, typename Strategy>
- struct areal_to_areal
- {
- typedef typename strategy::distance::services::return_type
- <
- Strategy,
- typename point_type<Areal1>::type,
- typename point_type<Areal2>::type
- >::type return_type;
- static inline return_type apply(Areal1 const& areal1,
- Areal2 const& areal2,
- Strategy const& strategy)
- {
- if ( geometry::intersects(areal1, areal2,
- strategy.get_relate_segment_segment_strategy()) )
- {
- return 0;
- }
- return linear_to_linear
- <
- Areal1, Areal2, Strategy
- >::apply(areal1, areal2, strategy, false);
- }
- };
- }} // namespace detail::distance
- #endif // DOXYGEN_NO_DETAIL
- #ifndef DOXYGEN_NO_DISPATCH
- namespace dispatch
- {
- template <typename Linear, typename Areal, typename Strategy>
- struct distance
- <
- Linear, Areal, Strategy,
- linear_tag, areal_tag,
- strategy_tag_distance_point_segment, false
- >
- : detail::distance::linear_to_areal
- <
- Linear, Areal, Strategy
- >
- {};
- template <typename Areal, typename Linear, typename Strategy>
- struct distance
- <
- Areal, Linear, Strategy,
- areal_tag, linear_tag,
- strategy_tag_distance_point_segment, false
- >
- : detail::distance::linear_to_areal
- <
- Linear, Areal, Strategy
- >
- {};
- template <typename Areal1, typename Areal2, typename Strategy>
- struct distance
- <
- Areal1, Areal2, Strategy,
- areal_tag, areal_tag,
- strategy_tag_distance_point_segment, false
- >
- : detail::distance::areal_to_areal
- <
- Areal1, Areal2, Strategy
- >
- {};
- } // namespace dispatch
- #endif // DOXYGEN_NO_DISPATCH
- }} // namespace boost::geometry
- #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_DISTANCE_LINEAR_OR_AREAL_TO_AREAL_HPP
|