managers.py 文件源码

def bounding_coordinates(distance, lat, lon):
        origin = geopy.Point((lat, lon,))
        geopy_distance = calc_distance(miles=distance)
        min_lat = geopy_distance.destination(origin, 180).latitude
        max_lat = geopy_distance.destination(origin, 0).latitude
        min_lon = geopy_distance.destination(origin, 270).longitude
        max_lon = geopy_distance.destination(origin, 90).longitude
        return min_lat, max_lat, min_lon, max_lon