/usr/include/boost/geometry/algorithms/detail/overlay
NameSizeModeActions
add_rings.hpp59640644editdlrm
append_no_duplicates.hpp21010644editdlrm
append_no_dups_or_spikes.hpp74340644editdlrm
assign_parents.hpp145770644editdlrm
backtrack_check_si.hpp63710644editdlrm
check_enrich.hpp53610644editdlrm
clip_linestring.hpp87180644editdlrm
cluster_exits.hpp78170644editdlrm
cluster_info.hpp10100644editdlrm
convert_ring.hpp31130644editdlrm
copy_segments.hpp114810644editdlrm
copy_segment_point.hpp111070644editdlrm
debug_turn_info.hpp19470644editdlrm
do_reverse.hpp12460644editdlrm
enrichment_info.hpp23430644editdlrm
enrich_intersection_points.hpp190080644editdlrm
follow.hpp169070644editdlrm
follow_linear_linear.hpp157110644editdlrm
get_distance_measure.hpp50920644editdlrm
get_intersection_points.hpp42650644editdlrm
get_relative_order.hpp32600644editdlrm
get_ring.hpp37000644editdlrm
get_turns.hpp420780644editdlrm
get_turn_info.hpp457460644editdlrm
get_turn_info_for_endpoint.hpp253370644editdlrm
get_turn_info_helpers.hpp197080644editdlrm
get_turn_info_la.hpp349410644editdlrm
get_turn_info_ll.hpp283800644editdlrm
handle_colocations.hpp286040644editdlrm
handle_self_turns.hpp99620644editdlrm
inconsistent_turns_exception.hpp10430644editdlrm
intersection_box_box.hpp26230644editdlrm
intersection_insert.hpp472960644editdlrm
is_self_turn.hpp16110644editdlrm
less_by_segment_ratio.hpp61610644editdlrm
linear_linear.hpp95620644editdlrm
needs_self_turns.hpp19110644editdlrm
overlay.hpp157060644editdlrm
overlay_type.hpp17460644editdlrm
pointlike_areal.hpp95930644editdlrm
pointlike_linear.hpp115470644editdlrm
pointlike_pointlike.hpp118780644editdlrm
range_in_geometry.hpp50660644editdlrm
ring_properties.hpp21350644editdlrm
segment_as_subrange.hpp14880644editdlrm
segment_identifier.hpp35550644editdlrm
select_rings.hpp123620644editdlrm
self_turn_points.hpp108140644editdlrm
sort_by_side.hpp222160644editdlrm
stream_info.hpp23830644editdlrm
traversal.hpp344320644editdlrm
traversal_info.hpp14690644editdlrm
traversal_ring_creator.hpp153190644editdlrm
traversal_switch_detector.hpp226420644editdlrm
traverse.hpp32560644editdlrm
turn_info.hpp44680644editdlrm
visit_info.hpp23500644editdlrm
Edit: /usr/include/boost/geometry/algorithms/detail/overlay/less_by_segment_ratio.hpp (6161B)
// Boost.Geometry (aka GGL, Generic Geometry Library) // Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands. // This file was modified by Oracle on 2017. // Modifications copyright (c) 2017 Oracle and/or its affiliates. // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle // 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_SORT_ON_SEGMENT_RATIO_HPP #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_SORT_ON_SEGMENT_RATIO_HPP #include #include #include #include #include #include #include #include #include namespace boost { namespace geometry { #ifndef DOXYGEN_NO_DETAIL namespace detail { namespace overlay { // Wraps "turn_operation" from turn_info.hpp, // giving it extra information, necessary for sorting template struct indexed_turn_operation { typedef TurnOperation type; std::size_t turn_index; std::size_t operation_index; bool skip; // use pointers to avoid copies, const& is not possible because of usage in vector segment_identifier const* other_seg_id; // segment id of other segment of intersection of two segments TurnOperation const* subject; inline indexed_turn_operation(std::size_t ti, std::size_t oi, TurnOperation const& sub, segment_identifier const& oid) : turn_index(ti) , operation_index(oi) , skip(false) , other_seg_id(&oid) , subject(boost::addressof(sub)) {} }; template < typename Turns, typename Indexed, typename Geometry1, typename Geometry2, typename RobustPolicy, typename SideStrategy, bool Reverse1, bool Reverse2 > struct less_by_segment_ratio { inline less_by_segment_ratio(Turns const& turns , Geometry1 const& geometry1 , Geometry2 const& geometry2 , RobustPolicy const& robust_policy , SideStrategy const& strategy) : m_turns(turns) , m_geometry1(geometry1) , m_geometry2(geometry2) , m_robust_policy(robust_policy) , m_strategy(strategy) { } private : Turns const& m_turns; Geometry1 const& m_geometry1; Geometry2 const& m_geometry2; RobustPolicy const& m_robust_policy; SideStrategy const& m_strategy; typedef typename geometry::point_type::type point_type; inline bool default_order(Indexed const& left, Indexed const& right) const { // We've nothing to sort on. Take the indexes return left.turn_index < right.turn_index; } inline bool consider_relative_order(Indexed const& left, Indexed const& right) const { point_type pi, pj, ri, rj, si, sj; geometry::copy_segment_points(m_geometry1, m_geometry2, left.subject->seg_id, pi, pj); geometry::copy_segment_points(m_geometry1, m_geometry2, *left.other_seg_id, ri, rj); geometry::copy_segment_points(m_geometry1, m_geometry2, *right.other_seg_id, si, sj); int const side_rj_p = m_strategy.apply(pi, pj, rj); int const side_sj_p = m_strategy.apply(pi, pj, sj); // Put the one turning left (1; right == -1) as last if (side_rj_p != side_sj_p) { return side_rj_p < side_sj_p; } int const side_sj_r = m_strategy.apply(ri, rj, sj); int const side_rj_s = m_strategy.apply(si, sj, rj); // If they both turn left: the most left as last // If they both turn right: this is not relevant, but take also here most left if (side_rj_s != side_sj_r) { return side_rj_s < side_sj_r; } return default_order(left, right); } public : // Note that left/right do NOT correspond to m_geometry1/m_geometry2 // but to the "indexed_turn_operation" inline bool operator()(Indexed const& left, Indexed const& right) const { if (! (left.subject->seg_id == right.subject->seg_id)) { return left.subject->seg_id < right.subject->seg_id; } // Both left and right are located on the SAME segment. if (! (left.subject->fraction == right.subject->fraction)) { return left.subject->fraction < right.subject->fraction; } typedef typename boost::range_value::type turn_type; turn_type const& left_turn = m_turns[left.turn_index]; turn_type const& right_turn = m_turns[right.turn_index]; // First check "real" intersection (crosses) // -> distance zero due to precision, solve it by sorting if (left_turn.method == method_crosses && right_turn.method == method_crosses) { return consider_relative_order(left, right); } bool const left_both_xx = left_turn.both(operation_blocked); bool const right_both_xx = right_turn.both(operation_blocked); if (left_both_xx && ! right_both_xx) { return true; } if (! left_both_xx && right_both_xx) { return false; } bool const left_both_uu = left_turn.both(operation_union); bool const right_both_uu = right_turn.both(operation_union); if (left_both_uu && ! right_both_uu) { return true; } if (! left_both_uu && right_both_uu) { return false; } return default_order(left, right); } }; }} // namespace detail::overlay #endif //DOXYGEN_NO_DETAIL }} // namespace boost::geometry #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_SORT_ON_SEGMENT_RATIO_HPP