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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
// (geolib/GGL), copyright (c) 1995-2010 Geodan, 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_MULTI_ALGORITHMS_SIMPLIFY_HPP
#define BOOST_GEOMETRY_MULTI_ALGORITHMS_SIMPLIFY_HPP
#include <boost/range.hpp>
#include <boost/geometry/core/mutable_range.hpp>
#include <boost/geometry/multi/core/tags.hpp>
#include <boost/geometry/multi/algorithms/clear.hpp>
#include <boost/geometry/algorithms/simplify.hpp>
namespace boost { namespace geometry
{
#ifndef DOXYGEN_NO_DETAIL
namespace detail { namespace simplify
{
template<typename MultiGeometry, typename Strategy, typename Policy>
struct simplify_multi
{
static inline void apply(MultiGeometry const& multi, MultiGeometry& out,
double max_distance, Strategy const& strategy)
{
traits::resize<MultiGeometry>::apply(out, boost::size(multi));
typename boost::range_iterator<MultiGeometry>::type it_out
= boost::begin(out);
for (typename boost::range_iterator<MultiGeometry const>::type it_in
= boost::begin(multi);
it_in != boost::end(multi);
++it_in, ++it_out)
{
Policy::apply(*it_in, *it_out, max_distance, strategy);
}
}
};
}} // namespace detail::simplify
#endif // DOXYGEN_NO_DETAIL
#ifndef DOXYGEN_NO_DISPATCH
namespace dispatch
{
template <typename MultiPoint, typename Strategy>
struct simplify<multi_point_tag, MultiPoint, Strategy>
: detail::simplify::simplify_copy
<
MultiPoint,
Strategy
>
{};
template <typename MultiLinestring, typename Strategy>
struct simplify<multi_linestring_tag, MultiLinestring, Strategy>
: detail::simplify::simplify_multi
<
MultiLinestring,
Strategy,
detail::simplify::simplify_range
<
typename boost::range_value<MultiLinestring>::type,
Strategy,
2
>
>
{};
template <typename MultiPolygon, typename Strategy>
struct simplify<multi_polygon_tag, MultiPolygon, Strategy>
: detail::simplify::simplify_multi
<
MultiPolygon,
Strategy,
detail::simplify::simplify_polygon
<
typename boost::range_value<MultiPolygon>::type,
Strategy
>
>
{};
} // namespace dispatch
#endif // DOXYGEN_NO_DISPATCH
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_MULTI_ALGORITHMS_SIMPLIFY_HPP
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