/// <summary>
/// Retrieve most current data for a Location
/// Try a number of ranges to retrieve data to not overlaod the server
/// </summary>
private async Task GetData(double lat, double lon)
{
// Sanity checks
if (double.IsNaN(lat))
{
return;
}
if (double.IsNaN(lon))
{
return;
}
var response = new MetarTafDataList();
foreach (var range in c_MaxRangeSM)
{
switch (MetarProvider)
{
case Providers.AviationWeatherDotGov:
response = await Provider.AviationWeatherDotGov.MetarRequest.GetMetar(lat, lon, range);
break;
default: break;
}
if (response.Count > 0 && response.Valid)
{
break; // We have found an entry.. Return
}
}
// signal response
OnMetarDataEvent(response);
}
/// <summary>
/// Retrieve most current data for a Station
/// If provided use the lat lon location if the station cannot return an answer
/// Not provided means either of lat, lon is a NaN
/// </summary>
private async Task GetData(string station, double lat, double lon)
{
var response = new MetarTafDataList();
switch (MetarProvider)
{
case Providers.AviationWeatherDotGov:
response = await Provider.AviationWeatherDotGov.MetarRequest.GetMetar(station);
break;
default: break;
}
if (response.Count > 0 && response.Valid)
{
// signal response and end
OnMetarDataEvent(response);
return;
}
else
{
#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
GetData(lat, lon); // try the location
#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
}
}
/// <summary>
/// Retrieve most current data for a Station
/// </summary>
private async Task GetData(string station)
{
var response = new MetarTafDataList();
switch (MetarProvider)
{
case Providers.AviationWeatherDotGov:
response = await Provider.AviationWeatherDotGov.MetarRequest.GetMetar(station);
break;
default: break;
}
// signal response
OnMetarDataEvent(response);
}
/// <summary>
/// Retrieve most current data for a Location and Destination
/// Try a number of ranges to retrieve data to not overlaod the server
/// </summary>
private async Task GetData(double lat, double lon, float bearing)
{
// Sanity checks
if (double.IsNaN(lat))
{
return;
}
if (double.IsNaN(lon))
{
return;
}
if (float.IsNaN(bearing))
{
return;
}
var response = new MetarTafDataList();
foreach (var range in c_MaxRangeSM)
{
var pos = new LatLon(lat, lon);
var dest = pos.DestinationPoint(range * 2, bearing, ConvConsts.EarthRadiusSM); // pt at end of range*2
switch (MetarProvider)
{
case Providers.AviationWeatherDotGov:
response = await Provider.AviationWeatherDotGov.MetarRequest.GetMetar(lat, lon, dest.Lat, dest.Lon, range);
break;
default: break;
}
if (response.Count > 0 && response.Valid)
{
break; // We have found an entry.. Return
}
}
// signal response
OnMetarDataEvent(response);
}
// Signal the user that and what data has arrived
private void OnMetarDataEvent(MetarTafDataList data)
{
MetarDataEvent?.Invoke(this, new MetarTafDataEventArgs(data));
}
/// <summary>
/// cTor:
/// </summary>
public MetarTafDataEventArgs(MetarTafDataList data)
{
MetarTafData = data;
}