/// <summary>
/// Initializes a new instance of the <see cref="Wind"/> class.
/// </summary>
/// <param name="coords">The coordinates of the request.</param>
/// <param name="altitude">The altitude of the request.</param>
/// <param name="unit">The unit for the altitude (Imperial/Metric Flight Level/Altitude).</param>
/// <param name="epoch">The time to request data for.</param>
private Wind(LatLon coords, int altitude, AltitudeUnit unit, DateTime epoch)
{
Coordinates = coords;
Altitude = altitude;
Unit = unit;
Epoch = epoch;
}
/// <summary>
/// Create a wind request for a specified set of coordinates, altitude and time.
/// </summary>
/// <param name="coords">The coordinates of the request.</param>
/// <param name="altitude">The altitude of the request.</param>
/// <param name="unit">The unit for the altitude (Imperial/Metric Flight Level/Altitude).</param>
/// <param name="epoch">The time to request data for.</param>
/// <returns></returns>
public static Wind For(string coords, int altitude, AltitudeUnit unit, DateTime epoch)
{
return new Wind(new LatLon(coords), altitude, unit, epoch);
}
/// <summary>
/// Called when the message is being loaded.
/// </summary>
/// <param name="message">The NMEA message values.</param>
protected override void OnLoadMessage(string[] message)
{
if (message == null || message.Length < 3)
throw new ArgumentException("Invalid PGRMZ", "message");
if (message[0].Length > 0)
Altitude = double.Parse(message[0], CultureInfo.InvariantCulture);
else
Altitude = double.NaN;
Unit = message[1] == "f" ? AltitudeUnit.Feet : AltitudeUnit.Unknown;
int dim = -1;
if (message[2].Length == 1 && int.TryParse(message[2], out dim))
{
if (dim >= (int)PositionFixType.NoFix && dim <= (int)PositionFixType.Fix3D)
FixType = (PositionFixType)dim;
}
}
