锚定Box01

import matplotlib.pyplot as plt
from matplotlib.offsetbox import AnchoredText
fig, ax = plt.subplots(figsize=(3, 3))
at = AnchoredText("Figure 1a",
                  prop=dict(size=15), frameon=True, loc='upper left')
at.patch.set_boxstyle("round,pad=0.,rounding_size=0.2")
ax.add_artist(at)
plt.show()

下载这个示例

• 下载python源码: anchored_box01.py
• 下载Jupyter notebook: anchored_box01.ipynb