/// <summary>
/// Gets a POST body for a snap to road request.
/// </summary>
/// <returns>A POST body for a snap to road request.</returns>
private string GetPostRequestBody()
{
var sb = new StringBuilder();
sb.Append("{");
sb.Append("\"points\":[");
foreach (var p in Points)
{
sb.AppendFormat(CultureInfo.InvariantCulture, "{{\"latitude\":{0:0.#####},\"longitude\":{1:0.#####}}},", p.Latitude, p.Longitude);
}
//Remove trailing comma.
sb.Length--;
sb.Append("]");
if (Interpolate)
{
sb.Append(",\"interpolate\":true");
}
if (IncludeSpeedLimit)
{
sb.Append(",\"includeSpeedLimit\":true");
}
if (IncludeTruckSpeedLimit)
{
sb.Append(",\"includeTruckSpeedLimit\":true");
}
sb.AppendFormat(",\"speedUnit\":\"{0}\"", Enum.GetName(typeof(SpeedUnitType), SpeedUnit));
//TODO: Truck mode is not supported, so fall back to driving. Remove this if truck routing support added.
//Note, difference between snapping car vs truck should be minor since the truck GPS points should only be on roads it is meant to be on.
if (TravelMode == TravelModeType.Truck)
{
TravelMode = TravelModeType.Driving;
}
sb.AppendFormat(",\"travelMode\":\"{0}\"", Enum.GetName(typeof(TravelModeType), TravelMode));
sb.Append("}");
return(sb.ToString());
}
/// <summary>
/// Defines the method of travel.
/// Options are driving, walking (which prefers pedestrian paths and sidewalks, where available), bicycling (which routes via bike paths and preferred streets where available), or transit.
/// If no travel mode is specified, the Google Map shows one or more of the most relevant modes for the specified route and/or user preferences.
/// </summary>
/// <param name="travelMode">The method of travel.</param>
/// <returns>The same <see cref="DirectionsParams"/> instance.</returns>
public DirectionsParams SetTravelMode(TravelModeType travelMode)
{
TravelMode = travelMode;
return(this);
}