使用 Latex 进行渲染时，如何更改 matplotlib 图中的轴刻度字体?

问题描述

以下代码生成的轴刻度标签的字体不是 Helvetica，但仍然是默认的衬线 Computer Modern.非常感谢任何建议.

The font of the axis tick mark labels produced from the following code isn't Helvetica, but is still the default serif Computer Modern. Any suggestions are greatly appreciated.

from matplotlib import rc, font_manager
from numpy import arange, cos, pi
from matplotlib.pyplot import figure, axes, plot, xlabel, ylabel, title, 
grid, savefig, show

sizeOfFont = 12
fontProperties = {'family':'sans-serif','sans-serif':['Helvetica'],
    'weight' : 'normal', 'size' : sizeOfFont}
ticks_font = font_manager.FontProperties(family='Helvetica', style='normal',
    size=sizeOfFont, weight='normal', stretch='normal')
rc('text', usetex=True)
rc('font',**fontProperties)
figure(1, figsize=(6,4))
ax = axes([0.1, 0.1, 0.8, 0.7])
t = arange(0.0, 1.0+0.01, 0.01)
s = cos(2*2*pi*t)+2
plot(t, s)

for label in ax.get_xticklabels():
    label.set_fontproperties(ticks_font)

for label in ax.get_yticklabels():
    label.set_fontproperties(ticks_font)

xlabel(r'	extbf{time (s)}')
ylabel(r'	extit{voltage (mV)}',fontsize=16,family='Helvetica')
title(r"TeX is Number $displaystylesum_{n=1}^inftyfrac{-e^{ipi}}{2^n}$!",
    fontsize=16, color='r')
grid(True)
savefig('tex_demo.pdf')

show()

推荐答案

好的，这对我有用.替换以下行:

Okay, this worked for me. Replace the following lines:

for label in ax.get_xticklabels():
    label.set_fontproperties(ticks_font)

for label in ax.get_yticklabels():
    label.set_fontproperties(ticks_font)

用这个:

from matplotlib.pyplot import gca
a = gca()
a.set_xticklabels(a.get_xticks(), fontProperties)
a.set_yticklabels(a.get_yticks(), fontProperties)

您在原始代码中所做的对我来说是有意义的，但我通过这种方式得到了不同的结果.很奇怪.

What you did in your original code makes sense to me, but I get different results this way. Weird.

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