擅长:python、mysql、java
<p>哦!莫尔圆!在</p>
<p>对于较低级别的界面,它不会自动处理(即手动创建艺术家并添加它)。因此,您需要将艺术家和标签传递到<code>legend</code>。在</p>
<p>举个简单的例子:</p>
<pre><code>import matplotlib.pyplot as plt
fig, ax = plt.subplots()
circ = plt.Circle((0.5, 0), 0.3, facecolor='none', edgecolor='red')
ax.add_patch(circ)
ax.legend([circ], ['Stress State'])
# The rest is purely optional and just for appearance.
ax.axhline(0, color='black')
ax.axvline(0, color='black')
ax.margins(0.05)
ax.axis('scaled')
ax.set(xlabel=r'Normal Stress', ylabel=r'Shear Stress')
plt.show()
</code></pre>
<p><img src="https://i.stack.imgur.com/QDbbK.png" alt="enter image description here"/></p>