static void Main(string[] args)
{
// enable logging.
OsmSharp.Logging.Logger.LogAction = (o, level, message, parameters) =>
{
Console.WriteLine(string.Format("[{0}] {1} - {2}", o, level, message));
};
Itinero.Logging.Logger.LogAction = (o, level, message, parameters) =>
{
Console.WriteLine(string.Format("[{0}] {1} - {2}", o, level, message));
};
Download.ToFile("http://files.itinero.tech/data/OSM/planet/europe/luxembourg-latest.osm.pbf", "luxembourg-latest.osm.pbf").Wait();
// load some routing data and create a router.
var routerDb = new RouterDb();
using (var stream = File.OpenRead("luxembourg-latest.osm.pbf"))
{
routerDb.LoadOsmData(stream, Vehicle.Car);
}
// get the profile from the routerdb.
// this is best-practice in Itinero, to prevent mis-matches.
var car = routerDb.GetSupportedProfile("car");
// add a contraction hierarchy.
routerDb.AddContracted(car);
// create router.
var router = new Router(routerDb);
// calculate route.
// this should be the result: http://geojson.io/#id=gist:anonymous/c944cb9741f1fd511c8213b2dd83d58d&map=17/49.75454/6.09571
var route = router.Calculate(car, new Coordinate(49.75635954613685f, 6.095362901687622f),
new Coordinate(49.75263039062888f, 6.098860502243042f));
var routeGeoJson = route.ToGeoJson();
File.WriteAllText("route1.geojson", routeGeoJson);
// calculate a sequence.
// this should be the result: http://geojson.io/#id=gist:xivk/760552b0abbcb37a3026273b165f63b8&map=16/49.5881/6.1115
var locations = new []
{
new Coordinate(49.58562050646863f, 6.1020684242248535f),
new Coordinate(49.58645517402537f, 6.1063170433044430f),
new Coordinate(49.58976588133606f, 6.1078405380249020f),
new Coordinate(49.59126814499573f, 6.1184406280517570f),
new Coordinate(49.58816619787410f, 6.1208438873291010f)
};
route = router.Calculate(car, locations);
routeGeoJson = route.ToGeoJson();
File.WriteAllText("sequence1-undirected.geojson", routeGeoJson);
// calculate a directed sequence with a turn penalty of 120 secs.
// this should be the result: http://geojson.io/#id=gist:xivk/49f5d843c16adb68c740f8fc0b4d8583&map=16/49.5881/6.1115
route = router.Calculate(car, locations, turnPenalty: 120, preferredDirections: null);
routeGeoJson = route.ToGeoJson();
File.WriteAllText("sequence2-turn-penalty-120.geojson", routeGeoJson);
// calculate a directed sequence without turn penalty but with a departure angle.
// this should be the result: http://geojson.io/#id=gist:xivk/c93be9a18072a78ea931dbc5a772f34f&map=16/49.5881/6.1111
var angles = new float?[]
{
-90, // leave west.
null, // don't-care
null, // don't-care
null, // don't-care
null // don't-care
};
route = router.Calculate(car, locations, preferredDirections: angles);
routeGeoJson = route.ToGeoJson();
File.WriteAllText("sequence3-preferred-directions.geojson", routeGeoJson);
// calculate a direction with a turn penalty of 120 secs and more preferred departure/arrival angles.
// this should be the result: http://geojson.io/#id=gist:xivk/660effe2cff422e183aed8efe1fc72c9&map=16/49.5881/6.1112
angles = new float?[]
{
-90, // leave west.
-90, // pass in western direction.
null, // don't-care
null, // don't-care
-45 // arrive in north-west direction.
};
route = router.Calculate(car, locations, turnPenalty: 120, preferredDirections: angles);
routeGeoJson = route.ToGeoJson();
File.WriteAllText("sequence4-turn-penalty-120-preferred-directions.geojson", routeGeoJson);
}