windeval.py 文件源码

def convert_to_degspd(u,v):
    """Convert arrays of u,v vectors to arrays of direction (in met.deg) and speed

    Arguments:
    u - np array of the u (east) part of the vector
    v - np array of the v (north) part of the vector
    """
    dir_spd = [] 
    wind_direction = (np.rad2deg(np.arctan2(-u,-v))) % 360.0
    wind_speed = np.sqrt(u ** 2 + v ** 2)
    dir_spd.append(wind_direction)
    dir_spd.append(wind_speed)
    return np.array(dir_spd) #[[list of wind dirs], [list of wind spds]]