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How to use a (random) *.otf or *.ttf font in matplotlib?

开发者 https://www.devze.com 2023-04-12 10:28 出处:网络
How can I use any type of font in my font library开发者_Python百科 on my computer (e.g. *otf or *ttf) in all my matplotlib figures?See the example here: http://matplotlib.sourceforge.net/examples/api/

How can I use any type of font in my font library开发者_Python百科 on my computer (e.g. *otf or *ttf) in all my matplotlib figures?


See the example here: http://matplotlib.sourceforge.net/examples/api/font_file.html

In general, you'd do something like this if you're wanting to use a specific .ttf file. (Keep in mind that pointing to a specific font file is usually a bad idea!)

import matplotlib.font_manager as fm
import matplotlib.pyplot as plt

fig, ax = plt.subplots()
ax.plot(range(10))

prop = fm.FontProperties(fname='/usr/share/fonts/truetype/groovygh.ttf')
ax.set_title('This is some random font', fontproperties=prop, size=32)

plt.show()

How to use a (random) *.otf or *.ttf font in matplotlib?

Usually, you'd just point to the name of the font, and let matplotlib worry about finding the specific file. E.g.

import matplotlib.pyplot as plt

plt.plot(range(10))
plt.title('This is some random font', family='GroovyGhosties', size=32)

plt.show()

If you want to have matplotlib always use a particular font, then customize your .matplotlibrc file. (font.family is what you'd want to set. Note that you should specify the name of the font, not the path to a specific .ttf file.)

As an example of doing this dynamically (i.e. without setting up a specific .matplotlibrc file):

import matplotlib as mpl
mpl.rcParams['font.family'] = 'GroovyGhosties'

import matplotlib.pyplot as plt

plt.plot(range(10))
plt.title('Everything is crazy!!!', size=32)
plt.show()

How to use a (random) *.otf or *.ttf font in matplotlib?


On *nix, you can use all your system fonts by enabling matplotlib's fontconfig backend.

However matplotlib does not really talk to fontconfig libraries it emulates its behaviour by running fontconfig cli utilities.

Therefore, nuking the matplotlib fontconfig cache so it discovers new fonts can be a lifesaver (the existence of this cache is direct proof of lack of complete fontconfig integration).


You can specify the font and override the default font family in matplot config as well, e.g. for *nix

~/.matplotlib/matplotlibrc

font.family: sans-serif
font.sans-serif: your font,sans-serif
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