.. _lines_bars_and_markers-fill_demo_features: lines_bars_and_markers example code: fill_demo_features.py ========================================================== .. plot:: /home/tcaswell/source/p/matplotlib/doc/mpl_examples/lines_bars_and_markers/fill_demo_features.py :: """ Demo of the fill function with a few features. In addition to the basic fill plot, this demo shows a few optional features: * Multiple curves with a single command. * Setting the fill color. * Setting the opacity (alpha value). """ import numpy as np import matplotlib.pyplot as plt x = np.linspace(0, 2 * np.pi, 500) y1 = np.sin(x) y2 = np.sin(3 * x) fig, ax = plt.subplots() ax.fill(x, y1, 'b', x, y2, 'r', alpha=0.3) plt.show() Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)