pwtools.mpl.collect_legends

pwtools.mpl.collect_legends(*axs)

Collect legend data from multiple axes, return input for legend().

Examples

>>> from pwtools import mpl
>>> from numpy.random import rand
>>> fig, ax = mpl.fig_ax()
>>> ax.plot([1,2,3], label='ax line')
>>> ax.bar([1,2,3], rand(3), label='ax bar')
>>> ax2 = ax.twinx()
>>> ax2.plot([3,2,1], 'r', label='ax2')
>>> ax.legend(*mpl.collect_legends(ax, ax2))