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Diffstat (limited to 'boost/geometry/index/detail/algorithms/union_content.hpp')
| -rw-r--r-- | boost/geometry/index/detail/algorithms/union_content.hpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/boost/geometry/index/detail/algorithms/union_content.hpp b/boost/geometry/index/detail/algorithms/union_content.hpp new file mode 100644 index 0000000000..3acdc3d198 --- /dev/null +++ b/boost/geometry/index/detail/algorithms/union_content.hpp @@ -0,0 +1,33 @@ +// 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 |