acdc.database.saa_distance.NearestPointOnGC

NearestPointOnGC(alat1, alon1, alat2, alon2, plat, plon)

Calculate the location of the nearest point on a Great Circle to a query point :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:

tuple – A (lat,lon) pair in degrees of the closest point