408/notes_estom
1
0
Fork 0
mirror of https://github.com/Estom/notes.git synced 2026-04-05 11:57:37 +08:00
Code Issues Packages Projects Releases Wiki Activity

matplotlib & pandas

Browse Source
This commit is contained in:
estomm
2020-09-26 22:03:11 +08:00
parent 73cc328c81
commit d31be4f219
599 changed files with 99925 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

93
Python/matplotlab/gallery/userdemo/simple_annotate01.md Normal file
View File

@@ -0,0 +1,93 @@
# 简单的Annotate01
![简单的Annotate01示例](https://matplotlib.org/_images/sphx_glr_simple_annotate01_001.png)
```python
import matplotlib.pyplot as plt
import matplotlib.patches as mpatches
fig, axs = plt.subplots(2, 4)
x1, y1 = 0.3, 0.3
x2, y2 = 0.7, 0.7
ax = axs.flat[0]
ax.plot([x1, x2], [y1, y2], "o")
ax.annotate("",
xy=(x1, y1), xycoords='data',
xytext=(x2, y2), textcoords='data',
arrowprops=dict(arrowstyle="->"))
ax.text(.05, .95, "A $->$ B", transform=ax.transAxes, ha="left", va="top")
ax = axs.flat[2]
ax.plot([x1, x2], [y1, y2], "o")
ax.annotate("",
xy=(x1, y1), xycoords='data',
xytext=(x2, y2), textcoords='data',
arrowprops=dict(arrowstyle="->", connectionstyle="arc3,rad=0.3",
shrinkB=5)
)
ax.text(.05, .95, "shrinkB=5", transform=ax.transAxes, ha="left", va="top")
ax = axs.flat[3]
ax.plot([x1, x2], [y1, y2], "o")
ax.annotate("",
xy=(x1, y1), xycoords='data',
xytext=(x2, y2), textcoords='data',
arrowprops=dict(arrowstyle="->", connectionstyle="arc3,rad=0.3"))
ax.text(.05, .95, "connectionstyle=arc3", transform=ax.transAxes, ha="left", va="top")
ax = axs.flat[4]
ax.plot([x1, x2], [y1, y2], "o")
el = mpatches.Ellipse((x1, y1), 0.3, 0.4, angle=30, alpha=0.5)
ax.add_artist(el)
ax.annotate("",
xy=(x1, y1), xycoords='data',
xytext=(x2, y2), textcoords='data',
arrowprops=dict(arrowstyle="->", connectionstyle="arc3,rad=0.2")
)
ax = axs.flat[5]
ax.plot([x1, x2], [y1, y2], "o")
el = mpatches.Ellipse((x1, y1), 0.3, 0.4, angle=30, alpha=0.5)
ax.add_artist(el)
ax.annotate("",
xy=(x1, y1), xycoords='data',
xytext=(x2, y2), textcoords='data',
arrowprops=dict(arrowstyle="->", connectionstyle="arc3,rad=0.2",
patchB=el)
)
ax.text(.05, .95, "patchB", transform=ax.transAxes, ha="left", va="top")
ax = axs.flat[6]
ax.plot([x1], [y1], "o")
ax.annotate("Test",
xy=(x1, y1), xycoords='data',
xytext=(x2, y2), textcoords='data',
ha="center", va="center",
bbox=dict(boxstyle="round", fc="w"),
arrowprops=dict(arrowstyle="->")
)
ax.text(.05, .95, "annotate", transform=ax.transAxes, ha="left", va="top")
ax = axs.flat[7]
ax.plot([x1], [y1], "o")
ax.annotate("Test",
xy=(x1, y1), xycoords='data',
xytext=(x2, y2), textcoords='data',
ha="center", va="center",
bbox=dict(boxstyle="round", fc="w", ),
arrowprops=dict(arrowstyle="->", relpos=(0., 0.))
)
ax.text(.05, .95, "relpos=(0,0)", transform=ax.transAxes, ha="left", va="top")
for ax in axs.flat:
ax.set(xlim=(0, 1), ylim=(0, 1), xticks=[], yticks=[], aspect=1)
plt.show()
```
## 下载这个示例
- [下载python源码: simple_annotate01.py](https://matplotlib.org/_downloads/simple_annotate01.py)
- [下载Jupyter notebook: simple_annotate01.ipynb](https://matplotlib.org/_downloads/simple_annotate01.ipynb)