Matplotlib 在 text.usetex==True 时不使用乳胶字体
问题描述
我想使用 Latex 计算机现代字体为我的绘图创建标签.然而，说服 matplotlib 使用 Latex 字体的唯一方法是插入如下内容:
I want to create labels to my plots with the latex computer modern font. However, the only way to persuade matplotlib to use the latex font is by inserting something like:
title(r'$mathrm{test}$')
这当然很荒谬，我告诉latex 启动数学模式，然后暂时退出数学模式以写入实际字符串.如何确保所有标签都以乳胶呈现，而不仅仅是公式?以及如何确保这将是默认行为?
This is of course ridiculous, I tell latex to start math mode, and then exit math mode temporary to write the actual string. How do I make sure that all labels are rendered in latex, instead of just the formulas? And how do I make sure that this will be the default behaviour?
一个最小的工作示例如下:
A minimal working example is as follows:
import matplotlib as mpl
import matplotlib.pyplot as plt
import numpy as np
# use latex for font rendering
mpl.rcParams['text.usetex'] = True
x = np.linspace(-50,50,100)
y = np.sin(x)**2/x
plt.plot(x,y)
plt.xlabel(r'$mathrm{xlabel;with;LaTeX;font}$')
plt.ylabel(r'Not a latex font')
plt.show()
这给出了以下结果:
这里的 x 轴是我希望标签出现的方式.如何确保所有标签都显示为这样，而无需进入数学模式并再次返回?
Here the x axis is how I want the labels to appear. How do I make sure that all labels appear like this without having to go to math mode and back again?
解决方案
默认的Latex字体被称为Computer Modern:
The default Latex font is known as Computer Modern:
from matplotlib import rc
import matplotlib.pylab as plt
rc('font', **{'family': 'serif', 'serif': ['Computer Modern']})
rc('text', usetex=True)
x = plt.linspace(0,5)
plt.plot(x,plt.sin(x))
plt.ylabel(r"This is $sin(x)$", size=20)
plt.show()
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