34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
// 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
|