/// <summary>
/// Get the selected object in CdC
/// </summary>
/// <returns></returns>
public async Task <DeepSkyObject> GetTarget()
{
try {
var response = await Query("GETSELECTEDOBJECT");
if (!response.StartsWith("OK!"))
{
throw new PlanetariumObjectNotSelectedException();
}
var columns = response.Split('\t');
// An "OK!" response with fewer than 2 columns means that CdC is listening ok but the user has not selected an object.
if (columns.Count() < 2)
{
throw new PlanetariumObjectNotSelectedException();
}
if (!Match(columns[0].Replace("OK!", ""), @"(([0-9]{1,2})([h|:]|[?]{2})([0-9]{1,2})([m|:]|[?]{2})?([0-9]{1,2}(?:\.[0-9]+){0,1})?([s|:]|[?]{2}))", out var raString))
{
throw new PlanetariumObjectNotSelectedException();
}
var ra = Astrometry.HMSToDegrees(raString);
if (!Match(columns[1], @"([\+|-]([0-9]{1,2})([d|°|:]|[?]{2})([0-9]{1,2})([m|'|:]|[?]{2})?([0-9]{1,2}(?:\.[0-9]+){0,1})?([s|""|:]|[?]{2}))", out var decString))
{
throw new PlanetariumObjectNotSelectedException();
}
var dec = Astrometry.DMSToDegrees(decString);
if (!Match(columns.Last(), @"(?<=Equinox:).*", out var equinox))
{
throw new PlanetariumObjectNotSelectedException();
}
equinox = equinox.Replace("\r", "").Replace("\n", "");
var coordinates = new Coordinates(Angle.ByDegree(ra), Angle.ByDegree(dec), equinox.ToLower() == "now" ? Epoch.JNOW : Epoch.J2000);
var dso = new DeepSkyObject(columns[3].Trim(), coordinates.Transform(Epoch.J2000), string.Empty);
return(dso);
} catch (Exception ex) {
Logger.Error(ex);
throw ex;
}
}
public async Task <Coords> GetSite()
{
try {
var response = await Query("GETOBS");
if (!response.StartsWith("OK!"))
{
throw new PlanetariumFailedToGetCoordinates();
}
if (!Match(response, @"(?<=LAT:)[\+|-]([0-9]{1,2})[:|d]([0-9]{1,2})[:|m]?([0-9]{1,2}(?:\.[0-9]+){0,1})?[:|s]", out var latutideString))
{
throw new PlanetariumFailedToGetCoordinates();
}
if (!Match(response, @"(?<=LON:)[\+|-]([0-9]{1,3})[:|d]([0-9]{1,2})[:|m]?([0-9]{1,2}(?:\.[0-9]+){0,1})?[:|s]", out var longitudeString))
{
throw new PlanetariumFailedToGetCoordinates();
}
if (!Match(response, @"(?<=ALT:)([0-9]{0,5})[m]", out var altitudeString))
{
throw new PlanetariumFailedToGetCoordinates();
}
var coords = new Coords {
Latitude = Astrometry.DMSToDegrees(latutideString),
Longitude = -Astrometry.DMSToDegrees(longitudeString),
Elevation = Astrometry.DMSToDegrees(altitudeString)
};
return(coords);
} catch (Exception ex) {
Logger.Error(ex);
throw ex;
}
}
public void DMSToDegrees(string hms, double expected)
{
var value = Astrometry.DMSToDegrees(hms);
Assert.AreEqual(expected, value, ANGLE_TOLERANCE);
}