stereonet_math.py 文件源码

def pole2plunge_bearing(strike, dip):
    """
    Converts the given *strike* and *dip* in dgrees of a plane(s) to a plunge
    and bearing of its pole.

    Parameters
    ----------
    strike : number or sequence of numbers
        The strike of the plane(s) in degrees, with dip direction indicated by
        the azimuth (e.g. 315 vs. 135) specified following the "right hand
        rule".
    dip : number or sequence of numbers
        The dip of the plane(s) in degrees.

    Returns
    -------
    plunge, bearing : arrays
        Arrays of plunges and bearings of the pole to the plane(s) in degrees.
    """
    strike, dip = np.atleast_1d(strike, dip)
    bearing = strike - 90
    plunge = 90 - dip
    bearing[bearing < 0] += 360
    return plunge, bearing