//private static Microsoft.Maps.MapControl.WPF.LocationCollection GetListOfLocations()
//{
// string text = File.ReadAllText(@"C:\GIT\private\Mapsui_mytest\Itinero_test\bin\x64\Debug\route.geojson");
// GeoJsonModel parsed = JsonConvert.DeserializeObject<GeoJsonModel>(text);
// var locs = new Microsoft.Maps.MapControl.WPF.LocationCollection();
// foreach (Feature feature in parsed.features)
// {
// if (feature.geometry.coordinates[0] is Newtonsoft.Json.Linq.JArray startingCoordinates)
// {
// //
// locs.Add(new Microsoft.Maps.MapControl.WPF.Location((float)startingCoordinates.Last(), (float)startingCoordinates.First()));
// }
// ///var startingPoint = new Point((double)startingCoordinates.Last(), (double)startingCoordinates.First());
// if (feature.geometry.coordinates[1] is Newtonsoft.Json.Linq.JArray endingCoordinates)
// {
// locs.Add(new Microsoft.Maps.MapControl.WPF.Location((float)endingCoordinates.Last(), (float)endingCoordinates.First()));
// }
// if (feature.geometry.coordinates[0] is double longitude && feature.geometry.coordinates[1] is double latitude)
// {
// locs.Add(new Microsoft.Maps.MapControl.WPF.Location(latitude, longitude));
// }
// //
// ///var endingPoint = new Point((float)endingCoordinates.Last(), (float)endingCoordinates.First());
// //polyline.Points.Add(startingPoint);
// //polyline.Points.Add(endingPoint);
// }
// return locs;
//}
private static Itinero.Route GetRoute()
{
RouterDb routerDb = null;
using (FileStream stream = new FileInfo(@"C:\GIT\private\map\quebec.routerdb").OpenRead())
{
routerDb = RouterDb.Deserialize(stream);
}
var router = new Itinero.Router(routerDb);
//get a profile
Itinero.Profiles.Profile profile = Vehicle.Car.Fastest(); //the default OSM car profile
//routerDb.AddContracted(profile); //dodawanie tego trwa bardzo długo, może się opłacać zrobić to przed wyznaczaniem wielu tras
var from = new Itinero.LocalGeo.Coordinate(45.532400f, -73.622885f);
var to = new Itinero.LocalGeo.Coordinate(45.545841f, -73.623474f);
//create a routerpoint from a location
//snaps the given location to the nearest routable edge
RouterPoint start = router.TryResolve(profile, from, 200).Value;
RouterPoint end = router.TryResolve(profile, to, 200).Value;
var points = new List <RouterPoint>()
{
router.TryResolve(profile, from, 200).Value,
router.TryResolve(profile, to, 200).Value
};
//calculate a route
//var route = router.Calculate(profile, start, end);
Result <Itinero.Route> route = router.TryCalculate(profile, points.ToArray());
return(route.Value);
}
/// <summary>
/// Builds the shortest path between the two coordinates as a referenced line.
/// </summary>
public static ReferencedLine BuildLine(this Coder coder, Itinero.LocalGeo.Coordinate coordinate1, Itinero.LocalGeo.Coordinate coordinate2, out Route route)
{
// calculate raw path.
var weightHandler = coder.Router.GetDefaultWeightHandler(coder.Profile.Profile);
var source = coder.Router.Resolve(coder.Profile.Profile, coordinate1, 100);
var target = coder.Router.Resolve(coder.Profile.Profile, coordinate2, 100);
var path = coder.Router.TryCalculateRaw(coder.Profile.Profile, weightHandler,
source, target, coder.Profile.RoutingSettings);
if (path.IsError)
{
throw new InvalidOperationException("No route found.");
}
var pathDistance = path.Value.Weight;
// build route.
route = coder.Router.BuildRoute(coder.Profile.Profile, weightHandler, source, target, path.Value).Value;
// build referenced line by building vertices and edge list.
var pathAsList = path.Value.ToList();
var edges = new List <long>();
var vertices = new List <uint>();
for (var i = 0; i < pathAsList.Count; i++)
{
vertices.Add(pathAsList[i].Vertex);
if (i > 0)
{
if (pathAsList[i].Edge != Itinero.Constants.NO_EDGE &&
pathAsList[i].Edge != -Itinero.Constants.NO_EDGE)
{
edges.Add(pathAsList[i].Edge);
}
else
{
var edgeEnumerator = coder.Router.Db.Network.GeometricGraph.Graph.GetEdgeEnumerator();
float best;
var edge = edgeEnumerator.FindBestEdge(weightHandler, vertices[vertices.Count - 2],
vertices[vertices.Count - 1], out best);
edges.Add(edge);
}
}
}
// makersure first and last are real vertices.
var sourceOffset = 0f;
if (vertices[0] == Constants.NO_VERTEX)
{
var edge = coder.Router.Db.Network.GetEdge(edges[0]);
if (edge.From == vertices[1])
{
sourceOffset = Itinero.LocalGeo.Coordinate.DistanceEstimateInMeter(coordinate1,
coder.Router.Db.Network.GetVertex(edge.To));
vertices[0] = edge.To;
}
else if (edge.To == vertices[1])
{
sourceOffset = Itinero.LocalGeo.Coordinate.DistanceEstimateInMeter(coordinate1,
coder.Router.Db.Network.GetVertex(edge.From));
vertices[0] = edge.From;
}
else
{
throw new Exception("First edge does not match first vertex.");
}
}
var targetOffset = 0f;
if (vertices[vertices.Count - 1] == Constants.NO_VERTEX)
{
var edge = coder.Router.Db.Network.GetEdge(edges[edges.Count - 1]);
if (edge.From == vertices[vertices.Count - 2])
{
targetOffset = Itinero.LocalGeo.Coordinate.DistanceEstimateInMeter(coordinate2,
coder.Router.Db.Network.GetVertex(edge.To));
vertices[vertices.Count - 1] = edge.To;
}
else if (edge.To == vertices[vertices.Count - 2])
{
targetOffset = Itinero.LocalGeo.Coordinate.DistanceEstimateInMeter(coordinate2,
coder.Router.Db.Network.GetVertex(edge.From));
vertices[vertices.Count - 1] = edge.From;
}
else
{
throw new Exception("Last edge does not match last vertex.");
}
}
var totalDistance = pathDistance + sourceOffset + targetOffset;
return(new ReferencedLine()
{
Edges = edges.ToArray(),
Vertices = vertices.ToArray(),
NegativeOffsetPercentage = 100.0f * (targetOffset / totalDistance),
PositiveOffsetPercentage = 100.0f * (sourceOffset / totalDistance),
StartLocation = coder.Router.Db.CreateRouterPointForEdgeAndVertex(edges[0], vertices[0]),
EndLocation = coder.Router.Db.CreateRouterPointForEdgeAndVertex(edges[edges.Count - 1], vertices[vertices.Count - 1])
});
}
/// <summary>
/// Builds the shortest path between the two coordinates as a referenced line.
/// </summary>
public static ReferencedLine BuildLine(this Coder coder, Itinero.LocalGeo.Coordinate coordinate1, Itinero.LocalGeo.Coordinate coordinate2)
{
Route route;
return(coder.BuildLine(coordinate1, coordinate2, out route));
}
/// <summary>
/// Builds a point along line location.
/// </summary>
public static ReferencedPointAlongLine BuildPointAlongLine(this Coder coder, Itinero.LocalGeo.Coordinate coordinate, out RouterPoint resolvedPoint)
{
return(coder.BuildPointAlongLine(coordinate.Latitude, coordinate.Longitude, out resolvedPoint));
}
/// <summary>
/// Returns an estimate of the distance between the two given coordinates.
/// </summary>
/// <remarks>Accuraccy decreases with distance.</remarks>
public static float DistanceEstimateInMeter(Coordinate coordinate1, Coordinate coordinate2)
{
return(Coordinate.DistanceEstimateInMeter(coordinate1.Latitude, coordinate1.Longitude,
coordinate2.Latitude, coordinate2.Longitude));
}
