/// <summary>
/// Gets a feature collection with features representing the stop links.
/// </summary>
/// <returns></returns>
public static FeatureCollection GetStopLinks(this MultimodalDb db,
Profile profile, uint stopId)
{
var features = new FeatureCollection();
var stopEnumerator = db.TransitDb.GetStopsEnumerator();
if (stopEnumerator.MoveTo(stopId))
{
var stopLocation = new GeoAPI.Geometries.Coordinate(stopEnumerator.Longitude, stopEnumerator.Latitude);
var attributes = new AttributesTable();
attributes.AddAttribute("stop_id", stopId);
features.Add(new Feature(new Point(stopLocation), attributes));
var stopLinksDb = db.GetStopLinksDb(profile).GetEnumerator();
stopLinksDb.MoveTo(stopId);
while (stopLinksDb.MoveNext())
{
var routerPoint = new RouterPoint(0, 0, stopLinksDb.EdgeId, stopLinksDb.Offset);
var linkLocation = routerPoint.LocationOnNetwork(db.RouterDb).ToCoordinate();
attributes = new AttributesTable();
attributes.AddAttribute("edge_id", stopLinksDb.EdgeId.ToInvariantString());
attributes.AddAttribute("offset", stopLinksDb.Offset.ToInvariantString());
features.Add(new Feature(new Point(linkLocation), attributes));
features.Add(new Feature(new LineString(new GeoAPI.Geometries.Coordinate[] { stopLocation, linkLocation }), new AttributesTable()));
}
}
return(features);
}
public void TestAddStopLinksDb()
{
// build a simple network and connections db.
var routerDb = new RouterDb();
routerDb.LoadTestNetwork(
System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream(
"Itinero.Transit.Test.test_data.networks.network1.geojson"));
var transitDb = new TransitDb();
var feed = DummyGTFSFeedBuilder.OneConnection(
TimeOfDay.FromTotalSeconds(0), TimeOfDay.FromTotalSeconds(3600));
feed.Stops.Get(0).Latitude = 51.22965768754021f;
feed.Stops.Get(0).Longitude = 4.460974931716918f;
feed.Stops.Get(1).Latitude = 51.229617377118906f;
feed.Stops.Get(1).Longitude = 4.463152885437011f;
transitDb.LoadFrom(feed);
var db = new MultimodalDb(routerDb, transitDb);
// add stop links.
var profile = VehicleMock.Car().Fastest();
db.AddStopLinksDb(profile);
// check result.
var stopLinksDb = db.GetStopLinksDb(profile);
Assert.IsNotNull(stopLinksDb);
var stop0 = db.TransitDb.SearchFirstStopsWithTags((t) =>
{
return(t.Contains("id", "0"));
});
var stop1 = db.TransitDb.SearchFirstStopsWithTags((t) =>
{
return(t.Contains("id", "1"));
});
var stopLinksDbEnumerator = stopLinksDb.GetEnumerator();
stopLinksDbEnumerator.MoveTo(stop0);
Assert.AreEqual(1, stopLinksDbEnumerator.Count);
Assert.IsTrue(stopLinksDbEnumerator.MoveNext());
Assert.AreEqual(0, stopLinksDbEnumerator.EdgeId);
Assert.AreEqual(0, stopLinksDbEnumerator.Offset);
stopLinksDbEnumerator.MoveTo(stop1);
Assert.AreEqual(1, stopLinksDbEnumerator.Count);
Assert.IsTrue(stopLinksDbEnumerator.MoveNext());
Assert.AreEqual(0, stopLinksDbEnumerator.EdgeId);
Assert.AreEqual(ushort.MaxValue, stopLinksDbEnumerator.Offset);
}