.. _api-legend_demo: api example code: legend_demo.py ================================ .. plot:: /home/tcaswell/source/p/matplotlib/doc/mpl_examples/api/legend_demo.py :: """ =============================== Legend using pre-defined labels =============================== Notice how the legend labels are defined with the plots! """ import numpy as np import matplotlib.pyplot as plt # Make some fake data. a = b = np.arange(0, 3, .02) c = np.exp(a) d = c[::-1] # Create plots with pre-defined labels. fig, ax = plt.subplots() ax.plot(a, c, 'k--', label='Model length') ax.plot(a, d, 'k:', label='Data length') ax.plot(a, c + d, 'k', label='Total message length') legend = ax.legend(loc='upper center', shadow=True, fontsize='x-large') # Put a nicer background color on the legend. legend.get_frame().set_facecolor('#00FFCC') plt.show() Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)