Method Fill

libs/routing/transit_graph.cpp:199–262

}

void TransitGraph::Fill(::transit::experimental::TransitData const & transitData, Endings const & stopEndings,
                        Endings const & gateEndings)
{
  CHECK_EQUAL(m_transitVersion, ::transit::TransitVersion::AllPublicTransport, ());

  for (auto const & line : transitData.GetLines())
    m_transferPenaltiesPT[line.GetId()] = line.GetSchedule();

  map<transit::StopId, LatLonWithAltitude> stopCoords;

  for (auto const & stop : transitData.GetStops())
  {
    stopCoords[stop.GetId()] =
        LatLonWithAltitude(mercator::ToLatLon(stop.GetPoint()), geometry::kDefaultAltitudeMeters);
  }

  StopToSegmentsMap stopToBack;
  StopToSegmentsMap stopToFront;
  StopToSegmentsMap outgoing;
  StopToSegmentsMap ingoing;

  // It's important to add transit edges first to ensure fake segment id for particular edge is edge
  // order in mwm. We use edge fake segments in cross-mwm section and they should be stable.
  auto const & edges = transitData.GetEdges();
  CHECK_EQUAL(m_fake.GetSize(), 0, ());
  for (size_t i = 0; i < edges.size(); ++i)
  {
    auto const & edge = edges[i];
    CHECK_NOT_EQUAL(edge.GetWeight(), transit::kInvalidWeight, ("Edge should have valid weight."));
    auto const edgeSegment = AddEdge(edge, stopCoords, stopToBack, stopToFront);
    // Checks fake feature ids have consecutive numeration starting from
    // FakeFeatureIds::kTransitGraphFeaturesStart.
    CHECK_EQUAL(edgeSegment.GetFeatureId(), i + FakeFeatureIds::kTransitGraphFeaturesStart, ());
    outgoing[edge.GetStop1Id()].insert(edgeSegment);
    ingoing[edge.GetStop2Id()].insert(edgeSegment);
  }
  CHECK_EQUAL(m_fake.GetSize(), edges.size(), ());

  for (auto const & gate : transitData.GetGates())
  {
    CHECK(!gate.GetStopsWithWeight().empty(), ("Gate should have valid weight.", gate));

    // Gate ending may have empty projections vector. It means gate is not connected to roads.
    auto const it = gateEndings.find(gate.GetOsmId());
    if (it != gateEndings.end())
    {
      if (gate.IsEntrance())
        AddGate(gate, it->second, stopCoords, true /* isEnter */, stopToBack, stopToFront);
      if (gate.IsExit())
        AddGate(gate, it->second, stopCoords, false /* isEnter */, stopToBack, stopToFront);
    }
  }

  for (auto const & stop : transitData.GetStops())
  {
    // Stop ending may have empty projections vector. It means stop is not connected to roads.
    auto const it = stopEndings.find(stop.GetId());
    if (it != stopEndings.end())