| // Boost.Geometry (aka GGL, Generic Geometry Library) |
| |
| // Copyright (c) 2007-2011 Barend Gehrels, Amsterdam, the Netherlands. |
| |
| // Use, modification and distribution is subject to the Boost Software License, |
| // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| |
| #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_CALCULATE_DISTANCE_POLICY_HPP |
| #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_CALCULATE_DISTANCE_POLICY_HPP |
| |
| |
| #include <boost/geometry/algorithms/distance.hpp> |
| |
| |
| namespace boost { namespace geometry |
| { |
| |
| |
| #ifndef DOXYGEN_NO_DETAIL |
| namespace detail { namespace overlay |
| { |
| |
| |
| /*! |
| \brief Policy calculating distance |
| \details get_turn_info has an optional policy to get some |
| extra information. |
| This policy calculates the distance (using default distance strategy) |
| */ |
| struct calculate_distance_policy |
| { |
| template <typename Point1, typename Point2, typename Info> |
| static inline void apply(Info& info, Point1 const& p1, Point2 const& p2) |
| { |
| info.operations[0].enriched.distance |
| = geometry::distance(info.point, p1); |
| info.operations[1].enriched.distance |
| = geometry::distance(info.point, p2); |
| } |
| |
| }; |
| |
| |
| }} // namespace detail::overlay |
| #endif //DOXYGEN_NO_DETAIL |
| |
| |
| }} // namespace boost::geometry |
| |
| |
| #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_CALCULATE_DISTANCE_POLICY_HPP |