""" ====== Cursor ====== """ from matplotlib.widgets import Cursor import numpy as np import matplotlib.pyplot as plt # Fixing random state for reproducibility np.random.seed(19680801) fig = plt.figure(figsize=(8, 6)) ax = fig.add_subplot(111, facecolor='#FFFFCC') x, y = 4*(np.random.rand(2, 100) - .5) ax.plot(x, y, 'o') ax.set_xlim(-2, 2) ax.set_ylim(-2, 2) # Set useblit=True on most backends for enhanced performance. cursor = Cursor(ax, useblit=True, color='red', linewidth=2) plt.show()