Method GetJunctionPointCandidates

tools/openlr/score_candidate_points_getter.cpp:35–71

namespace openlr
{
void ScoreCandidatePointsGetter::GetJunctionPointCandidates(m2::PointD const & p, bool isLastPoint,
                                                            ScoreEdgeVec & edgeCandidates)
{
  ScorePointVec pointCandidates;
  auto const selectCandidates = [&p, &pointCandidates, this](FeatureType & ft)
  {
    ft.ParseGeometry(FeatureType::BEST_GEOMETRY);
    if (ft.GetGeomType() != feature::GeomType::Line || !routing::IsRoad(feature::TypesHolder(ft)))
      return;

    ft.ForEachPoint([&p, &pointCandidates, this](m2::PointD const & candidate)
    {
      if (mercator::DistanceOnEarth(p, candidate) < kRadius)
        pointCandidates.emplace_back(GetScoreByDistance(p, candidate), candidate);
    }, scales::GetUpperScale());
  };

  m_dataSource.ForEachInRect(selectCandidates, mercator::RectByCenterXYAndSizeInMeters(p, kRadius),
                             scales::GetUpperScale());

  base::SortUnique(pointCandidates);
  std::reverse(pointCandidates.begin(), pointCandidates.end());

  pointCandidates.resize(std::min(m_maxJunctionCandidates, pointCandidates.size()));

  for (auto const & pc : pointCandidates)
  {
    Graph::EdgeListT edges;
    if (!isLastPoint)
      m_graph.GetOutgoingEdges(geometry::PointWithAltitude(pc.m_point, 0 /* altitude */), edges);
    else
      m_graph.GetIngoingEdges(geometry::PointWithAltitude(pc.m_point, 0 /* altitude */), edges);

    for (auto const & e : edges)
      edgeCandidates.emplace_back(pc.m_score, e);
  }
}

void ScoreCandidatePointsGetter::EnrichWithProjectionPoints(m2::PointD const & p, ScoreEdgeVec & edgeCandidates)
{