diff --git a/galleries/examples/style_sheets/petroff10.py b/galleries/examples/style_sheets/petroff10.py new file mode 100644 index 000000000000..f6293fd40a6b --- /dev/null +++ b/galleries/examples/style_sheets/petroff10.py @@ -0,0 +1,43 @@ +""" +===================== +Petroff10 style sheet +===================== + +This example demonstrates the "petroff10" style, which implements the 10-color +sequence developed by Matthew A. Petroff [1]_ for accessible data visualization. +The style balances aesthetics with accessibility considerations, making it +suitable for various types of plots while ensuring readability and distinction +between data series. + +.. [1] https://arxiv.org/abs/2107.02270 + +""" + +import matplotlib.pyplot as plt +import numpy as np + + +def colored_lines_example(ax): + t = np.linspace(-10, 10, 100) + nb_colors = len(plt.rcParams['axes.prop_cycle']) + shifts = np.linspace(-5, 5, nb_colors) + amplitudes = np.linspace(1, 1.5, nb_colors) + for t0, a in zip(shifts, amplitudes): + y = a / (1 + np.exp(-(t - t0))) + line, = ax.plot(t, y, '-') + point_indices = np.linspace(0, len(t) - 1, 20, dtype=int) + ax.plot(t[point_indices], y[point_indices], 'o', color=line.get_color()) + ax.set_xlim(-10, 10) + + +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('petroff10') +fig, (ax1, ax2) = plt.subplots(ncols=2, figsize=(12, 5)) +fig.suptitle("'petroff10' style sheet") +colored_lines_example(ax1) +image_and_patch_example(ax2) +plt.show()