evoked.py 文件源码

def _connection_line(x, fig, sourceax, targetax):
    """Helper function to connect time series and topolots"""
    from matplotlib.lines import Line2D
    transFigure = fig.transFigure.inverted()
    tf = fig.transFigure

    (xt, yt) = transFigure.transform(targetax.transAxes.transform([.5, .25]))
    (xs, _) = transFigure.transform(sourceax.transData.transform([x, 0]))
    (_, ys) = transFigure.transform(sourceax.transAxes.transform([0, 1]))
    return Line2D((xt, xs), (yt, ys), transform=tf, color='grey',
                  linestyle='-', linewidth=1.5, alpha=.66, zorder=0)