1 // Boost.Geometry (aka GGL, Generic Geometry Library)
2 
3 // Copyright (c) 2007-2011 Barend Gehrels, Amsterdam, the Netherlands.
4 
5 // Use, modification and distribution is subject to the Boost Software License,
6 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
7 // http://www.boost.org/LICENSE_1_0.txt)
8 
9 #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_STREAM_INFO_HPP
10 #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_STREAM_INFO_HPP
11 
12 
13 #include <string>
14 
15 #include <boost/array.hpp>
16 
17 
18 namespace boost { namespace geometry
19 {
20 
21 #ifndef DOXYGEN_NO_DETAIL
22 namespace detail { namespace overlay
23 {
24 
25 
dir(int d)26     static inline std::string dir(int d)
27     {
28         return d == 0 ? "-" : (d == 1 ? "L" : d == -1 ? "R" : "#");
29     }
how_str(int h)30     static inline std::string how_str(int h)
31     {
32         return h == 0 ? "-" : (h == 1 ? "A" : "D");
33     }
34 
35     template <typename P>
operator <<(std::ostream & os,turn_info<P> const & info)36     std::ostream& operator<<(std::ostream &os, turn_info<P> const& info)
37     {
38         typename geometry::coordinate_type<P>::type d = info.distance;
39         os  << "\t"
40             << " src " << info.seg_id.source_index
41             << " seg " << info.seg_id.segment_index
42             << " (// " << info.other_id.source_index
43                 << "." << info.other_id.segment_index << ")"
44             << " how " << info.how
45                 << "[" << how_str(info.arrival)
46                 << " " << dir(info.direction)
47                 << (info.opposite ? " o" : "")
48                 << "]"
49             << " sd "
50                 << dir(info.sides.get<0,0>())
51                 << dir(info.sides.get<0,1>())
52                 << dir(info.sides.get<1,0>())
53                 << dir(info.sides.get<1,1>())
54             << " nxt seg " << info.travels_to_vertex_index
55             << " , ip " << info.travels_to_ip_index
56             << " , or " << info.next_ip_index
57             << " dst " << double(d)
58             << info.visit_state;
59         if (info.flagged)
60         {
61             os << " FLAGGED";
62         }
63         return os;
64     }
65 
66 
67 
68 }} // namespace detail::overlay
69 #endif //DOXYGEN_NO_DETAIL
70 
71 
72 }} // namespace boost::geometry
73 
74 
75 #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_STREAM_INFO_HPP
76