.. _pylab_examples-stackplot_demo2: pylab_examples example code: stackplot_demo2.py =============================================== .. plot:: /home/tcaswell/src/p/matplotlib/doc/mpl_examples/pylab_examples/stackplot_demo2.py :: import numpy as np import matplotlib.pyplot as plt np.random.seed(0) def layers(n, m): """ Return *n* random Gaussian mixtures, each of length *m*. """ def bump(a): x = 1 / (.1 + np.random.random()) y = 2 * np.random.random() - .5 z = 10 / (.1 + np.random.random()) for i in range(m): w = (i / float(m) - y) * z a[i] += x * np.exp(-w * w) a = np.zeros((m, n)) for i in range(n): for j in range(5): bump(a[:, i]) return a d = layers(3, 100) plt.subplots() plt.stackplot(range(100), d.T, baseline='wiggle') plt.show() Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)