| // Boost.Geometry Index |
| // |
| // boxes union/sum area/volume |
| // |
| // Copyright (c) 2008 Federico J. Fernandez. |
| // Copyright (c) 2011-2013 Adam Wulkiewicz, Lodz, Poland. |
| // |
| // 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_INDEX_DETAIL_ALGORITHMS_UNION_CONTENT_HPP |
| #define BOOST_GEOMETRY_INDEX_DETAIL_ALGORITHMS_UNION_CONTENT_HPP |
| |
| #include <boost/geometry/algorithms/expand.hpp> |
| #include <boost/geometry/index/detail/algorithms/content.hpp> |
| |
| namespace boost { namespace geometry { namespace index { namespace detail { |
| |
| /** |
| * \brief Compute the area of the union of b1 and b2 |
| */ |
| template <typename Box, typename Geometry> |
| inline typename default_content_result<Box>::type union_content(Box const& b, Geometry const& g) |
| { |
| Box expanded_box(b); |
| geometry::expand(expanded_box, g); |
| return detail::content(expanded_box); |
| } |
| |
| }}}} // namespace boost::geometry::index::detail |
| |
| #endif // BOOST_GEOMETRY_INDEX_DETAIL_ALGORITHMS_UNION_CONTENT_HPP |
