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src/boost/geometry/algorithms/detail/overlay/check_enrich.hpp  view on Meta::CPAN

        }

        // check on continuing, or on same-operation-on-same-geometry
        if (! meta_turns[ip_index].handled[op_index]
            && (meta_turns[ip_index].turn->operations[op_index].operation == operation_continue
                || meta_turns[ip_index].turn->operations[op_index].operation == for_operation)
            )
        {
            meta_turns[ip_index].handled[op_index] = true;
            check_detailed(meta_turns, meta_turns[ip_index], op_index, cycle, start, for_operation, error);
            found = true;
        }
        // check on other geometry
        if (! found)
        {
            int const other_index = 1 - op_index;
            if (! meta_turns[ip_index].handled[other_index]
                && meta_turns[ip_index].turn->operations[other_index].operation == for_operation)
            {
                meta_turns[ip_index].handled[other_index] = true;
                check_detailed(meta_turns, meta_turns[ip_index], other_index, cycle, start, for_operation, error);
                found = true;
            }
        }

        if (! found)
        {
            display(meta_turns[ip_index], " STOP");
            error = true;
#ifndef BOOST_GEOMETRY_DEBUG_ENRICH
            //std::cout << " STOP";
#endif
        }
    }
}


template <typename TurnPoints>
inline bool check_graph(TurnPoints& turn_points, operation_type for_operation)
{
    typedef typename boost::range_value<TurnPoints>::type turn_point_type;

    bool error = false;
    int index = 0;

    std::vector<meta_turn<turn_point_type> > meta_turns;
    for (typename boost::range_iterator<TurnPoints const>::type
            it = boost::begin(turn_points);
         it != boost::end(turn_points);
         ++it, ++index)
    {
        meta_turns.push_back(meta_turn<turn_point_type>(index, *it));
    }

    int cycle = 0;
    for (typename boost::range_iterator<std::vector<meta_turn<turn_point_type> > > ::type
            it = boost::begin(meta_turns);
         it != boost::end(meta_turns);
         ++it)
    {
        if (! (it->turn->blocked() || it->turn->is_discarded()))
        {
            for (int i = 0 ; i < 2; i++)
            {
                if (! it->handled[i]
                    && it->turn->operations[i].operation == for_operation)
                {
#ifdef BOOST_GEOMETRY_DEBUG_ENRICH
                    std::cout << "CYCLE " << cycle << std::endl;
#endif
                    it->handled[i] = true;
                    check_detailed(meta_turns, *it, i, cycle++, it->index, for_operation, error);
#ifdef BOOST_GEOMETRY_DEBUG_ENRICH
                    std::cout <<" END CYCLE " << it->index << std::endl;
#endif
                }
            }
        }
    }
    return error;
}



}} // namespace detail::overlay
#endif //DOXYGEN_NO_DETAIL



}} // namespace boost::geometry


#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_CHECK_ENRICH_HPP