.. _pylab_examples-step_demo: pylab_examples example code: step_demo.py ========================================= .. plot:: /home/tcaswell/source/p/matplotlib/doc/mpl_examples/pylab_examples/step_demo.py :: import numpy as np from numpy import ma import matplotlib.pyplot as plt x = np.arange(1, 7, 0.4) y0 = np.sin(x) y = y0.copy() + 2.5 plt.step(x, y, label='pre (default)') y -= 0.5 plt.step(x, y, where='mid', label='mid') y -= 0.5 plt.step(x, y, where='post', label='post') y = ma.masked_where((y0 > -0.15) & (y0 < 0.15), y - 0.5) plt.step(x, y, label='masked (pre)') plt.legend() plt.xlim(0, 7) plt.ylim(-0.5, 4) plt.show() Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)