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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2007-2012 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_STREAM_INFO_HPP
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_STREAM_INFO_HPP
#include <string>
#include <boost/array.hpp>
namespace boost { namespace geometry
{
#ifndef DOXYGEN_NO_DETAIL
namespace detail { namespace overlay
{
static inline std::string dir(int d)
{
return d == 0 ? "-" : (d == 1 ? "L" : d == -1 ? "R" : "#");
}
static inline std::string how_str(int h)
{
return h == 0 ? "-" : (h == 1 ? "A" : "D");
}
template <typename P>
std::ostream& operator<<(std::ostream &os, turn_info<P> const& info)
{
os << "\t"
<< " src " << info.seg_id.source_index
<< " seg " << info.seg_id.segment_index
<< " (// " << info.other_id.source_index
<< "." << info.other_id.segment_index << ")"
<< " how " << info.how
<< "[" << how_str(info.arrival)
<< " " << dir(info.direction)
<< (info.opposite ? " o" : "")
<< "]"
<< " sd "
<< dir(info.sides.get<0,0>())
<< dir(info.sides.get<0,1>())
<< dir(info.sides.get<1,0>())
<< dir(info.sides.get<1,1>())
<< " nxt seg " << info.travels_to_vertex_index
<< " , ip " << info.travels_to_ip_index
<< " , or " << info.next_ip_index
<< " frac " << info.fraction
<< info.visit_state;
if (info.flagged)
{
os << " FLAGGED";
}
return os;
}
}} // namespace detail::overlay
#endif //DOXYGEN_NO_DETAIL
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_STREAM_INFO_HPP
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