live_graph_clock.py 文件源码

def format_ax(self, ax):
        """
        Trying to assign reasonable parameters to the time axis.

        Parameters
        ----------
        ax:

        """
        # TODO: room for improvement
        ax.xaxis.set_major_locator(mdates.DayLocator(interval=1))
        ax.xaxis.set_major_formatter(self.fmt)

        locator = mdates.HourLocator(interval=4)
        locator.MAXTICKS = 5000
        ax.xaxis.set_minor_locator(locator)

        datemin = pd.Timestamp.utcnow()
        ax.set_xlim(datemin)

        ax.grid(True)