Method IsJunction

tools/openlr/score_candidate_points_getter.cpp:94–115

}

bool ScoreCandidatePointsGetter::IsJunction(m2::PointD const & p)
{
  Graph::EdgeListT outgoing;
  m_graph.GetRegularOutgoingEdges(geometry::PointWithAltitude(p, 0 /* altitude */), outgoing);

  Graph::EdgeListT ingoing;
  m_graph.GetRegularIngoingEdges(geometry::PointWithAltitude(p, 0 /* altitude */), ingoing);

  // Note. At mwm borders the size of |ids| may be bigger than two in case of straight
  // road because of road feature duplication at borders.
  std::set<std::pair<uint32_t, uint32_t>> ids;
  for (auto const & e : outgoing)
    ids.insert(std::make_pair(e.GetFeatureId().m_index, e.GetSegId()));

  for (auto const & e : ingoing)
    ids.insert(std::make_pair(e.GetFeatureId().m_index, e.GetSegId()));

  // Size of |ids| is number of different pairs of (feature id, segment id) starting from
  // |p| plus going to |p|. The size 0, 1 or 2 is considered |p| is not a junction of roads.
  // If the size is 3 or more it means |p| is an intersection of 3 or more roads.
  return ids.size() >= 3;
}

Score ScoreCandidatePointsGetter::GetScoreByDistance(m2::PointD const & point, m2::PointD const & candidate)
{