acdc.database.saa_distance.saa_distance

saa_distance(lat, lon, poly_lat, poly_lon)

Wrapper to calculate distance to polygon (defined in latitude-longitude space) for a series of points.

Parameters:

• lat (float) – Latitude of query point in degrees

• lon (float) – Longitude of query point in degrees

• polylat (array) – Latitude borders polygon

• polylon (array) – Longitude borders polygon

Returns:

dist (float) – The minimum distance in kilometres between the polygon and the query point.