| """ | |
| =========== | |
| Multicursor | |
| =========== | |
| Showing a cursor on multiple plots simultaneously. | |
| This example generates three axes split over two different figures. On | |
| hovering the cursor over data in one subplot, the values of that datapoint are | |
| shown in all axes. | |
| """ | |
| import matplotlib.pyplot as plt | |
| import numpy as np | |
| from matplotlib.widgets import MultiCursor | |
| t = np.arange(0.0, 2.0, 0.01) | |
| s1 = np.sin(2*np.pi*t) | |
| s2 = np.sin(3*np.pi*t) | |
| s3 = np.sin(4*np.pi*t) | |
| fig, (ax1, ax2) = plt.subplots(2, sharex=True) | |
| ax1.plot(t, s1) | |
| ax2.plot(t, s2) | |
| fig, ax3 = plt.subplots() | |
| ax3.plot(t, s3) | |
| multi = MultiCursor(None, (ax1, ax2, ax3), color='r', lw=1) | |
| plt.show() | |
| # %% | |
| # | |
| # .. admonition:: References | |
| # | |
| # The use of the following functions, methods, classes and modules is shown | |
| # in this example: | |
| # | |
| # - `matplotlib.widgets.MultiCursor` | |