In pyplot I use axes.vlines to draw a single vline. Now I want to put an entry into the legend. axes.legend() expects a list of line objects. vlines() returns a LineCollection object. Is there a way to extract the line2D from the LineCollection. fig, ax = plt.subplots(1,1) ax.plot(meas['times'], meas['data'], label='measurement') vlins = ax.vlines([trigger_time], 0, 100) lines, labels = ax.get_legend_handles_labels() # there is no: vvvvvvvvv ax.legend( lines + vlins.to_list(), labels + ['trigger event'] There is lot of documentation of how to create a LineCollection. But it seems to be a one way ticket. Continue reading...
