/// <summary>
/// Get the selected object in TheSkyX
/// </summary>
/// <returns></returns>
public async Task <DeepSkyObject> GetTarget()
{
try {
string response = await Query("GET_TARGET");
response = response.TrimEnd('\r', '\n');
/*
* Split the coordinates and object name from the returned message.
* GET_TARGET returns 4 fields, space-separated:
* RA Dec Name Position_angle
*
* RA and Dec are in radians. Epoch is J2000.
*/
string[] info = response.Split(' ');
if (!(info[0].Equals("?") || string.IsNullOrEmpty(info[2])))
{
Coordinates newCoordinates = new Coordinates(Astrometry.RadianToHour(double.Parse(info[0].Replace(',', '.'), System.Globalization.CultureInfo.InvariantCulture)),
Astrometry.ToDegree(double.Parse(info[1].Replace(',', '.'), System.Globalization.CultureInfo.InvariantCulture)),
Epoch.J2000, Coordinates.RAType.Hours);
DeepSkyObject dso = new DeepSkyObject(info[2], newCoordinates, string.Empty);
return(dso);
}
else
{
throw new PlanetariumObjectNotSelectedException();
}
} catch (Exception ex) {
Logger.Error(ex);
throw ex;
}
}