Get the great-circle centroid for latitude/longitude data
get_centroid(lat, lng)
A vector of latitudes in degrees.
A vector of longitudes in degrees.
A latitude/longitude
Other utilities: addbuff, calc_haversine_distance(), deg_to_rad(), rad_to_deg()
addbuff
calc_haversine_distance()
deg_to_rad()
rad_to_deg()