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- import matplotlib.pyplot as plt
- from matplotlib.widgets import LassoSelector
- fig, ax = plt.subplots()
- def onSelect(x):
- print(x)
- def onPress(event):
- print('Mouse pressed')
- def onRelease(event):
- print('Mouse released')
- lineprops = {'color': 'red', 'linewidth': 4, 'alpha': 0.8}
- lsso = LassoSelector(ax=ax, onselect=onSelect, lineprops=lineprops)
- fig.canvas.mpl_connect('button_press_event', onPress)
- fig.canvas.mpl_connect('button_release_event', onRelease)
- plt.show()
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