graph.py 文件源码

def plot_date_axis(axes):
    from matplotlib import dates

    date_fmt = dates.DateFormatter('%d/%b')
    hour_fmt = dates.DateFormatter('%H:%M')

    # TODO: set xaxis minor interval dynamically

    axes.xaxis.set_major_locator(dates.DayLocator(interval=1))
    axes.xaxis.set_major_formatter(date_fmt)
    # less than 5 days and interval of 3 is okay
    axes.xaxis.set_minor_locator(dates.HourLocator(interval=4))
    axes.xaxis.set_minor_formatter(hour_fmt)
    axes.xaxis.set_tick_params(which='major', pad=15)