擅长:python、mysql、java
<p>我们可以通过向<code>colorbar</code>发送标量可映射文件来显式设置colorbar限制。</p>
<pre><code>CS = plt.contourf(X, Y, Z, 5, vmin = 0., vmax = 2., cmap=cm.coolwarm)
plt.title('Simplest default with labels')
m = plt.cm.ScalarMappable(cmap=cm.coolwarm)
m.set_array(Z)
m.set_clim(0., 2.)
plt.colorbar(m, boundaries=np.linspace(0, 2, 6))
</code></pre>
<p><a href="https://i.stack.imgur.com/R8oWQ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/R8oWQ.png" alt="enter image description here"/></a></p>