// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2014-2020, Oracle and/or its affiliates.
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// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Licensed under the Boost Software License version 1.0.
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// http://www.boost.org/users/license.html
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#ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_TURNS_PRINT_TURNS_HPP
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#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_TURNS_PRINT_TURNS_HPP
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#include <algorithm>
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#include <iostream>
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#include <boost/range/begin.hpp>
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#include <boost/range/end.hpp>
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#include <boost/geometry/algorithms/detail/overlay/traversal_info.hpp>
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#include <boost/geometry/algorithms/detail/overlay/turn_info.hpp>
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#include <boost/geometry/algorithms/detail/overlay/debug_turn_info.hpp>
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#include <boost/geometry/io/wkt/write.hpp>
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#include <boost/geometry/io/dsv/write.hpp>
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namespace boost { namespace geometry
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{
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namespace detail { namespace turns
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{
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struct turn_printer
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{
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turn_printer(std::ostream & os)
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: index(0)
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, out(os)
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{}
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template <typename Turn>
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void operator()(Turn const& turn)
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{
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out << index
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<< ": " << geometry::method_char(turn.method);
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if ( turn.discarded )
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out << " (discarded)\n";
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else if ( turn.blocked() )
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out << " (blocked)\n";
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else
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out << '\n';
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double fraction[2];
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fraction[0] = turn.operations[0].fraction.numerator()
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/ turn.operations[0].fraction.denominator();
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out << geometry::operation_char(turn.operations[0].operation)
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<<": seg: " << turn.operations[0].seg_id.source_index
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<< ", m: " << turn.operations[0].seg_id.multi_index
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<< ", r: " << turn.operations[0].seg_id.ring_index
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<< ", s: " << turn.operations[0].seg_id.segment_index;
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out << ", fr: " << fraction[0];
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out << ", col?: " << turn.operations[0].is_collinear;
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out << ' ' << geometry::dsv(turn.point) << ' ';
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out << '\n';
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fraction[1] = turn.operations[1].fraction.numerator()
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/ turn.operations[1].fraction.denominator();
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out << geometry::operation_char(turn.operations[1].operation)
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<< ": seg: " << turn.operations[1].seg_id.source_index
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<< ", m: " << turn.operations[1].seg_id.multi_index
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<< ", r: " << turn.operations[1].seg_id.ring_index
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<< ", s: " << turn.operations[1].seg_id.segment_index;
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out << ", fr: " << fraction[1];
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out << ", col?: " << turn.operations[1].is_collinear;
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out << ' ' << geometry::dsv(turn.point) << ' ';
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++index;
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out << std::endl;
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}
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int index;
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std::ostream & out;
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};
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template <typename Geometry1, typename Geometry2, typename Turns>
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static inline void print_turns(Geometry1 const& g1,
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Geometry2 const& g2,
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Turns const& turns)
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{
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std::cout << geometry::wkt(g1) << std::endl;
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std::cout << geometry::wkt(g2) << std::endl;
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std::for_each(boost::begin(turns), boost::end(turns), turn_printer(std::cout));
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}
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}} // namespace detail::turns
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_TURNS_PRINT_TURNS_HPP
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