geometry.py 文件源码

def get_convex_hull_coordinates(gtfs):
    """

    Parameters
    ----------
    gtfs: gtfs.GTFS

    Returns
    -------
    lons: list
        of floats
    lats: list
        of floats
    """
    lons, lats = _get_stop_lat_lons(gtfs)
    lon_lats = list(zip(lons, lats))
    polygon = MultiPoint(lon_lats).convex_hull
    hull_lons, hull_lats= polygon.exterior.coords.xy
    return hull_lats, hull_lons