acdc.database.saa_distance.DistanceToGCArc

DistanceToGCArc(alat, alon, blat, blon, plat, plon)

Calculate the distance from a query point to the nearest point on a Great Circle Arc :param lat1: Latitude of start of arc in degrees :type lat1: float :param lon1: Longtiude of start of arc in degrees :type lon1: float :param lat2: Latitude of end of arc in degrees :type lat2: float :param lon2: Longtiude of end of arc in degrees :type lon2: float :param plat: Latitude of query point in degrees :type plat: float :param plon: Longitude of query point in degrees :type plon: float

Returns:

float – The distance in kilometres from the query point to the great circle arc