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refer to:
This example showcases the functions hlines and vlines.
import matplotlib.pyplot as pltimport numpy as np t = np.arange(0.0, 5.0, 0.1) s = np.exp(-t) + np.sin(2 * np.pi * t) + 1 nse = np.random.normal(0.0, 0.3, t.shape) * s fig, (vax, hax) = plt.subplots(1, 2, figsize=(12, 6)) vax.plot(t, s + nse, '^') vax.vlines(t, [0], s)# By using ``transform=vax.get_xaxis_transform()`` the y coordinates are scaled# such that 0 maps to the bottom of the axes and 1 to the top. vax.vlines([1, 2], 0, 1, transform=vax.get_xaxis_transform(), colors='r') vax.set_xlabel('time (s)') vax.set_title('Vertical lines demo') hax.plot(s + nse, t, '^') hax.hlines(t, [0], s, lw=2) hax.set_xlabel('time (s)') hax.set_title('Horizontal lines demo') plt.show()
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