rover.py 文件源码

def heading_for_latlon(target, location):

    lat1 = math.radians(location.lat)
    lat2 = math.radians(target.lat)

    diffLong = math.radians(target.lon - location.lon)

    x = math.sin(diffLong) * math.cos(lat2)
    y = math.cos(lat1) * math.sin(lat2) - (math.sin(lat1)
            * math.cos(lat2) * math.cos(diffLong))

    initial_bearing = math.atan2(x, y)

    initial_bearing = math.degrees(initial_bearing)
    compass_bearing = (initial_bearing + 360) % 360

    return compass_bearing