save_utils.py 文件源码

def _dcoord(coord):
    """determine the spacing of a coordinate"""

    coord = np.array(coord)

    if coord.ndim > 1:
        msg = 'Only 1D coordinates are supported'
        raise AssertionError(msg)

    dcoord = np.unique(np.round(np.diff(coord), 4))

    # irregularly spaced
    if dcoord.size > 1:
        dcoord_str = 'irr'
    # regularly spaced
    else:
        dcoord_str = '{:0.2f}'.format(np.asscalar(dcoord))

    return dcoord_str