Using a custom font in seaborn

Question

I have a custom .ttf file and I am trying to use it in a seaborn plot. Here's what I have so far:

from matplotlib import font_manager
path = "path/to/Roboto-Black.ttf"
fm = font_manager.FontManager()
fm.addfont(path)

prop = font_manager.FontProperties(fname=path)
sns.set(font=prop.get_name())

But this doesn't work, I simply get the warning:

findfont: Font family 'Roboto' not found.

I am using the latest matplotlib version 3.6.1. Also, I cannot install any fonts in the system as I don't have sudo access.

Priyatham · Accepted Answer · 2022-10-31 04:17:46Z

5

There is a default FontManager instance that needs to be used rather than creating a new instance:

from matplotlib.font_manager import fontManager, FontProperties

path = "path/to/Roboto-Black.ttf"
fontManager.addfont(path)

prop = FontProperties(fname=path)
sns.set(font=prop.get_name())

See source for more details.

answered Oct 31, 2022 at 4:17

Priyatham

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