锚定Box04
from matplotlib.patches import Ellipse
import matplotlib.pyplot as plt
from matplotlib.offsetbox import (AnchoredOffsetbox, DrawingArea, HPacker,
TextArea)
fig, ax = plt.subplots(figsize=(3, 3))
box1 = TextArea(" Test : ", textprops=dict(color="k"))
box2 = DrawingArea(60, 20, 0, 0)
el1 = Ellipse((10, 10), width=16, height=5, angle=30, fc="r")
el2 = Ellipse((30, 10), width=16, height=5, angle=170, fc="g")
el3 = Ellipse((50, 10), width=16, height=5, angle=230, fc="b")
box2.add_artist(el1)
box2.add_artist(el2)
box2.add_artist(el3)
box = HPacker(children=[box1, box2],
align="center",
pad=0, sep=5)
anchored_box = AnchoredOffsetbox(loc='lower left',
child=box, pad=0.,
frameon=True,
bbox_to_anchor=(0., 1.02),
bbox_transform=ax.transAxes,
borderpad=0.,
)
ax.add_artist(anchored_box)
fig.subplots_adjust(top=0.8)
plt.show()