matplotlib & pandas

Python/matplotlab/gallery/userdemo/anchored_box03.md

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+# 锚定Box03
+
+![锚定Box03示例](https://matplotlib.org/_images/sphx_glr_anchored_box03_001.png)
+
+```python
+from matplotlib.patches import Ellipse
+import matplotlib.pyplot as plt
+from mpl_toolkits.axes_grid1.anchored_artists import AnchoredAuxTransformBox
+
+
+fig, ax = plt.subplots(figsize=(3, 3))
+
+box = AnchoredAuxTransformBox(ax.transData, loc='upper left')
+el = Ellipse((0, 0), width=0.1, height=0.4, angle=30)  # in data coordinates!
+box.drawing_area.add_artist(el)
+
+ax.add_artist(box)
+
+plt.show()
+```
+
+## 下载这个示例
+            
+- [下载python源码: anchored_box03.py](https://matplotlib.org/_downloads/anchored_box03.py)
+- [下载Jupyter notebook: anchored_box03.ipynb](https://matplotlib.org/_downloads/anchored_box03.ipynb)