matplotlib中图例中标签的样式 [英] Styling part of label in legend in matplotlib

问题描述

是否可以以特定样式(例如，粗体或斜体)使图例的文本一部分?

解决方案

正如silvado在他的评论中提到的那样，您可以使用LaTeX渲染来更灵活地控制文本渲染.请参阅此处以获取更多信息: http://matplotlib.org/users/usetex.html

一个例子:

import numpy as np
import matplotlib.pyplot as plt
from matplotlib import rc

# activate latex text rendering
rc('text', usetex=True)

x = np.arange(10)
y = np.random.random(10)
z = np.random.random(10)

fig = plt.figure()
ax = fig.add_subplot(111)
ax.plot(x, y, label = r"This is \textbf{line 1}")
ax.plot(x, z, label = r"This is \textit{line 2}")
ax.legend()
plt.show()

请注意标签字符串前面的"r".因此，\将被视为乳胶命令，而不是像python那样解释(因此您可以键入\textbf而不是\\textbf).

Is it possible to have part of the text of a legend in a particular style, let's say, bold or italic?

解决方案

As silvado mentions in his comment, you can use LaTeX rendering for more flexible control of the text rendering. See here for more information: http://matplotlib.org/users/usetex.html

An example:

import numpy as np
import matplotlib.pyplot as plt
from matplotlib import rc

# activate latex text rendering
rc('text', usetex=True)

x = np.arange(10)
y = np.random.random(10)
z = np.random.random(10)

fig = plt.figure()
ax = fig.add_subplot(111)
ax.plot(x, y, label = r"This is \textbf{line 1}")
ax.plot(x, z, label = r"This is \textit{line 2}")
ax.legend()
plt.show()

Note the 'r' before the strings of the labels. Because of this the \ will be treated as a latex command and not interpreted as python would do (so you can type \textbf instead of \\textbf).

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