.. _style_sheets-plot_grayscale: style_sheets example code: plot_grayscale.py ============================================ .. plot:: /home/tcaswell/source/p/matplotlib/doc/mpl_examples/style_sheets/plot_grayscale.py :: """ This example demonstrates the "grayscale" style sheet, which changes all colors that are defined as rc parameters to grayscale. Note, however, that not all plot elements default to colors defined by an rc parameter. """ import numpy as np import matplotlib.pyplot as plt def color_cycle_example(ax): L = 6 x = np.linspace(0, L) ncolors = len(plt.rcParams['axes.color_cycle']) shift = np.linspace(0, L, ncolors, endpoint=False) for s in shift: ax.plot(x, np.sin(x + s), 'o-') def image_and_patch_example(ax): ax.imshow(np.random.random(size=(20, 20)), interpolation='none') c = plt.Circle((5, 5), radius=5, label='patch') ax.add_patch(c) plt.style.use('grayscale') fig, (ax1, ax2) = plt.subplots(ncols=2) color_cycle_example(ax1) image_and_patch_example(ax2) plt.show() Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)