private IFeature BuildFeature(int index)
{
if (((index - 1) % 10000) == 0)
{
Itinero.Logging.Logger.Log("FeatureList", TraceEventType.Information,
"Building feature {0}/{1}.", index - 1, this.Count);
}
var edge = _routerDb.Network.GetEdge((uint)index);
var vertexLocation1 = _routerDb.Network.GeometricGraph.GetVertex(edge.From);
var coordinates = new List <Coordinate>();
coordinates.Add(new Coordinate(vertexLocation1.Longitude, vertexLocation1.Latitude));
var shape = edge.Shape;
if (shape != null)
{
var shapeEnumerable = shape.GetEnumerator();
shapeEnumerable.Reset();
while (shapeEnumerable.MoveNext())
{
coordinates.Add(new Coordinate(shapeEnumerable.Current.Longitude,
shapeEnumerable.Current.Latitude));
}
}
var vertexLocation2 = _routerDb.Network.GeometricGraph.GetVertex(edge.To);
coordinates.Add(new Coordinate(vertexLocation2.Longitude, vertexLocation2.Latitude));
var geometry = new LineString(coordinates.ToArray());
var length = 0.0f;
for (var i = 0; i < coordinates.Count - 1; i++)
{
length += Itinero.LocalGeo.Coordinate.DistanceEstimateInMeter((float)coordinates[i + 0].Y, (float)coordinates[i + 0].X,
(float)coordinates[i + 1].Y, (float)coordinates[i + 1].X);
}
var tags = new Itinero.Attributes.AttributeCollection(_routerDb.EdgeProfiles.Get(edge.Data.Profile));
foreach (var tag in _routerDb.EdgeMeta.Get(edge.Data.MetaId))
{
tags.AddOrReplace(tag.Key, tag.Value);
}
var attributes = new AttributesTable();
attributes.AddFrom("highway", tags);
attributes.AddFrom("route", tags);
foreach (var p in _profiles)
{
var vehicleShortName = p.Parent.Name;
if (vehicleShortName.Length > 4)
{
vehicleShortName = vehicleShortName.Substring(0, 4);
}
var profileShortName = p.Name;
if (profileShortName == null)
{
profileShortName = string.Empty;
}
if (profileShortName.Length > 2)
{
profileShortName = profileShortName.Substring(0, 3);
}
var profileName = $"{vehicleShortName}_{profileShortName}";
var factor = p.FactorAndSpeed(tags);
attributes.Add(profileName.ToLower(), factor.Value != 0);
attributes.Add(profileName + "_dir", factor.Direction);
var speed = 1 / factor.SpeedFactor * 3.6;
if (factor.SpeedFactor <= 0)
{
speed = 65536;
}
attributes.Add(profileName + "_sp", System.Math.Round(speed, 2));
speed = 1 / factor.Value * 3.6;
if (factor.Value <= 0)
{
speed = 65536;
}
attributes.Add(profileName + "_spc", System.Math.Round(speed, 2));
}
attributes.Add("length", System.Math.Round(length, 3));
string lanesString;
var lanes = 1;
var lanesVerified = false;
if (tags.TryGetValue("lanes", out lanesString))
{
lanesVerified = true;
if (!int.TryParse(lanesString, out lanes))
{
lanes = 1;
lanesVerified = false;
}
}
attributes.Add("lanes", lanes);
attributes.Add("lanes_ve", lanesVerified);
var name = tags.ExtractName();
attributes.Add("name", name);
attributes.AddFrom("way_id", tags);
attributes.AddFrom("tunnel", tags);
attributes.AddFrom("bridge", tags);
attributes.Add("from", edge.From);
attributes.Add("to", edge.To);
return(new Feature(geometry, attributes));
}
/// <summary>
/// Adds the given attributes.
/// </summary>
public static void AddFrom(this AttributesTable table, string name, Itinero.Attributes.AttributeCollection tags)
{
table.AddFrom(name, tags, string.Empty);
}