.. _pylab_examples-axhspan_demo: pylab_examples example code: axhspan_demo.py ============================================ .. plot:: /home/tcaswell/source/p/matplotlib/doc/mpl_examples/pylab_examples/axhspan_demo.py :: import numpy as np import matplotlib.pyplot as plt t = np.arange(-1, 2, .01) s = np.sin(2*np.pi*t) plt.plot(t, s) # draw a thick red hline at y=0 that spans the xrange l = plt.axhline(linewidth=8, color='#d62728') # draw a default hline at y=1 that spans the xrange l = plt.axhline(y=1) # draw a default vline at x=1 that spans the yrange l = plt.axvline(x=1) # draw a thick blue vline at x=0 that spans the upper quadrant of # the yrange l = plt.axvline(x=0, ymin=0.75, linewidth=8, color='#1f77b4') # draw a default hline at y=.5 that spans the middle half of # the axes l = plt.axhline(y=.5, xmin=0.25, xmax=0.75) p = plt.axhspan(0.25, 0.75, facecolor='0.5', alpha=0.5) p = plt.axvspan(1.25, 1.55, facecolor='#2ca02c', alpha=0.5) plt.axis([-1, 2, -1, 2]) plt.show() Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)