matplotlib/examples/api/bbox_intersect.py at master · staticfloat/matplotlib · GitHub

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import numpy as np

import matplotlib.pyplot as plt

from matplotlib.transforms import Bbox

from matplotlib.path import Path

rect = plt.Rectangle((-1, -1), 2, 2, facecolor="#aaaaaa")

plt.gca().add_patch(rect)

bbox = Bbox.from_bounds(-1, -1, 2, 2)

for i in range(12):

vertices = (np.random.random((2, 2)) - 0.5) * 6.0

path = Path(vertices)

if path.intersects_bbox(bbox):

color = 'r'

else:

color = 'b'

plt.plot(vertices[:,0], vertices[:,1], color=color)

plt.show()