/// <summary>
/// Add one record to the table
/// </summary>
/// <param name="rec"></param>
public string Add(apRec rec)
{
if (rec != null)
{
if (rec.apt_icao_code == "children")
{
return(""); // get rid of special element
}
AddICAOfromIATA(rec.apt_iata_code, rec.apt_icao_code); // helper to lookup ICAOs from IATA
return(m_db.Add(rec));
}
return("");
}
/// <summary>
/// Returns a subtable with items that match the given criteria
/// </summary>
/// <param name="rangeLimitNm">Range Limit in nm</param>
/// <param name="Lat">Center Lat (decimal)</param>
/// <param name="Lon">Center Lon (decimal)</param>
/// <param name="aptTypes">Type of airport items to include</param>
/// <returns>A table with selected records</returns>
public apTable GetSubtable(double rangeLimitNm, double Lat, double Lon, AptTypes[] aptTypes = null)
{
if (aptTypes == null)
{
aptTypes = new AptTypes[] { AptTypes.All }
}
;
var nT = new apTable( );
var myLoc = new LatLon(Lat, Lon);
foreach (var rec in this)
{
var dist = myLoc.DistanceTo(new LatLon(double.Parse(rec.Value.lat), double.Parse(rec.Value.lon)), ConvConsts.EarthRadiusNm);
if ((dist <= rangeLimitNm) && (rec.Value.IsTypeOf(aptTypes)))
{
nT.Add(rec.Value);
}
}
return(nT);
}
}
