static void Main(string[] args)
{
Download.ToFile("http://files.itinero.tech/data/OSM/planet/europe/luxembourg-latest.osm.pbf", "luxembourg-latest.osm.pbf").Wait();
// build routerdb from raw OSM data.
// check this for more info on RouterDb's: https://github.com/itinero/routing/wiki/RouterDb
var routerDb = new RouterDb();
using (var sourceStream = File.OpenRead("luxembourg-latest.osm.pbf"))
{
routerDb.LoadOsmData(sourceStream, Vehicle.Car);
}
// create coder.
var coder = new Coder(routerDb, new OsmCoderProfile());
// build a line location from a shortest path.
// REMARK: this functionality is NOT part of the OpenLR-spec, just a convenient way to build a line location.
var line = coder.BuildLine(new Itinero.LocalGeo.Coordinate(49.67218282319583f, 6.142280101776122f),
new Itinero.LocalGeo.Coordinate(49.67776489459803f, 6.1342549324035645f));
// encode this location.
var encoded = coder.Encode(line);
Console.WriteLine(encoded);
// decode this location.
var decodedLine = coder.Decode(encoded) as ReferencedLine;
#if DEBUG
Console.ReadLine();
#endif
}
static void EncodeDecodeRoute(Coder coder, Coordinate coordinate1, Coordinate coordinate2)
{
// build referenced line and calculate shortest path.
Route route;
var referencedLine = coder.BuildLine(coordinate1, coordinate2, out route);
// encode.
var encoded = coder.Encode(referencedLine);
// decodee.
var decodedReferencedLine = coder.Decode(encoded) as ReferencedLine;
}
/// <summary>
/// Tests encoding/decoding a route.
/// </summary>
public static void TestEncodeDecoderRoute(Coder coder, Coordinate[] points)
{
var referencedLine = coder.BuildLine(points);
var referencedLineJson = referencedLine.ToFeatures(coder.Router.Db).ToGeoJson();
var encoded = coder.Encode(referencedLine);
var decodedReferencedLine = coder.Decode(encoded) as ReferencedLine;
var decodedReferencedLineJson = decodedReferencedLine.ToFeatures(coder.Router.Db).ToGeoJson();
var distance = DiscreteHausdorffDistance.Distance(referencedLine.ToLineString(coder.Router.Db),
decodedReferencedLine.ToLineString(coder.Router.Db));
Assert.IsTrue(distance < .1);
}
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
Console.Write("Loading Luxembourg ... ");
var routerDb = new RouterDb();
using (var sourceStream =
File.OpenRead(
Path.Combine(AppDomain.CurrentDomain.BaseDirectory,
"../../../luxembourg-latest.osm.pbf")))
{
routerDb.LoadOsmData(sourceStream, Vehicle.Car);
}
Console.WriteLine("done");
// create coder.
var coder = new Coder(routerDb, new OsmCoderProfile());
Console.WriteLine("Building a line location, and encoding it.");
// build a line location from a shortest path.
var line = coder.BuildLine(
new Itinero.LocalGeo.Coordinate(
49.67218282319583f, 6.142280101776122f),
new Itinero.LocalGeo.Coordinate(
49.67776489459803f, 6.1342549324035645f));
Console.WriteLine("original line: {0} --> {1}",
line.StartLocation,
line.EndLocation);
// encode this location.
var encoded = coder.Encode(line);
Console.WriteLine("encoded line: {0}", encoded);
// decode this location.
var decodedLine = coder.Decode(encoded) as ReferencedLine;
Console.WriteLine("decoded line: {0} --> {1}",
decodedLine.StartLocation,
decodedLine.EndLocation);
}
/// <summary>
/// Tests encoding/decoding a route.
/// </summary>
public static void TestEncodeDecoderRoute(Coder coder, Coordinate[] points)
{
var referencedLine = coder.BuildLine(points);
var referencedLineJson = referencedLine.ToFeatures(coder.Router.Db).ToGeoJson();
float positiveOffset, negativeOffset;
RouterPoint source, target;
var path = referencedLine.BuildPathFromLine(coder.Router.Db, out source, out positiveOffset, out target, out negativeOffset);
var route = coder.Router.BuildRoute(coder.Profile.Profile, coder.Router.GetDefaultWeightHandler(coder.Profile.Profile), source, target, path);
var encoded = coder.Encode(referencedLine);
var decodedReferencedLine = coder.Decode(encoded) as ReferencedLine;
var decodedReferencedLineJson = decodedReferencedLine.ToFeatures(coder.Router.Db).ToGeoJson();
var distance = DiscreteHausdorffDistance.Distance(referencedLine.ToLineString(coder.Router.Db),
decodedReferencedLine.ToLineString(coder.Router.Db));
Assert.IsTrue(distance < .1);
}