/// <summary>
/// Returns the maximum speed.
/// </summary>
/// <returns></returns>
public KilometerPerHour MaxSpeed(VehicleEnum vehicle, IDictionary<string, string> tags)
{
// THESE ARE THE MAX SPEEDS FOR BELGIUM.
// TODO: Find a way to make this all configurable.
KilometerPerHour speed = 5;
KilometerPerHour pedestrian_speed = 5;
KilometerPerHour bike_speed = 15;
// get max-speed tag if any.
double? max_speed_value = tags.GetNumericValue("maxspeed");
if (max_speed_value.HasValue)
{
return max_speed_value.Value;
}
string highway_type;
if (tags.TryGetValue("highway", out highway_type))
{
switch (highway_type)
{
case "services":
case "proposed":
switch (vehicle)
{
case VehicleEnum.Bicycle:
speed = pedestrian_speed;
break;
case VehicleEnum.Pedestrian:
speed = pedestrian_speed;
break;
default:
speed = pedestrian_speed;
break;
}
break;
case "cycleway":
case "pedestrian":
case "steps":
case "path":
case "footway":
case "living_street":
switch (vehicle)
{
case VehicleEnum.Bicycle:
speed = bike_speed;
break;
case VehicleEnum.Pedestrian:
speed = pedestrian_speed;
break;
// TODO: improve speed calculations when using access tags.
case VehicleEnum.Car:
case VehicleEnum.Bus:
speed = 30;
break;
}
break;
case "track":
switch (vehicle)
{
case VehicleEnum.Bicycle:
speed = bike_speed;
break;
case VehicleEnum.Pedestrian:
speed = pedestrian_speed;
break;
case VehicleEnum.Car:
case VehicleEnum.Bus:
speed = 40;
break;
}
break;
case "residential":
case "road":
switch (vehicle)
{
case VehicleEnum.Bicycle:
speed = bike_speed;
break;
case VehicleEnum.Pedestrian:
speed = pedestrian_speed;
break;
case VehicleEnum.Car:
case VehicleEnum.Bus:
speed = 50;
break;
}
break;
case "motorway":
switch (vehicle)
{
case VehicleEnum.Bicycle:
speed = bike_speed;
break;
case VehicleEnum.Pedestrian:
speed = pedestrian_speed;
break;
case VehicleEnum.Car:
case VehicleEnum.Bus:
speed = 120;
break;
}
break;
case "motorway_link":
switch (vehicle)
{
case VehicleEnum.Bicycle:
speed = bike_speed;
break;
case VehicleEnum.Pedestrian:
speed = pedestrian_speed;
break;
case VehicleEnum.Car:
case VehicleEnum.Bus:
speed = 90;
break;
}
break;
case "trunk":
case "trunk_link":
case "primary":
case "primary_link":
switch (vehicle)
{
case VehicleEnum.Bicycle:
speed = bike_speed;
break;
case VehicleEnum.Pedestrian:
speed = pedestrian_speed;
break;
case VehicleEnum.Car:
case VehicleEnum.Bus:
speed = 75;
break;
}
break;
case "secondary":
case "secondary_link":
switch (vehicle)
{
case VehicleEnum.Bicycle:
speed = bike_speed;
break;
case VehicleEnum.Pedestrian:
speed = pedestrian_speed;
break;
case VehicleEnum.Car:
case VehicleEnum.Bus:
speed = 70;
break;
}
break;
case "tertiary":
switch (vehicle)
{
case VehicleEnum.Bicycle:
speed = bike_speed;
break;
case VehicleEnum.Pedestrian:
speed = pedestrian_speed;
break;
case VehicleEnum.Car:
case VehicleEnum.Bus:
speed = 60;
break;
}
break;
case "unclassified":
switch (vehicle)
{
case VehicleEnum.Bicycle:
speed = bike_speed;
break;
case VehicleEnum.Pedestrian:
speed = pedestrian_speed;
break;
case VehicleEnum.Car:
case VehicleEnum.Bus:
speed = 40;
break;
}
break;
default:
switch (vehicle)
{
case VehicleEnum.Bicycle:
speed = bike_speed;
break;
case VehicleEnum.Pedestrian:
speed = pedestrian_speed;
break;
case VehicleEnum.Car:
case VehicleEnum.Bus:
speed = 50;
break;
}
break;
}
}
return speed;
}
