matplotlib & pandas

Python/matplotlab/gallery/userdemo/anchored_box04.md

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+# 锚定Box04
+
+![锚定Box04示例](https://matplotlib.org/_images/sphx_glr_anchored_box04_001.png)
+
+```python
+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()
+```
+
+## 下载这个示例
+            
+- [下载python源码: anchored_box04.py](https://matplotlib.org/_downloads/anchored_box04.py)
+- [下载Jupyter notebook: anchored_box04.ipynb](https://matplotlib.org/_downloads/anchored_box04.ipynb)