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JuliaPy / PyPlot.jl

Plotting for Julia based on matplotlib.pyplot
https://github.com/JuliaPy/PyPlot.jl
MIT License
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Managing fonts #40

Open cmundi opened 10 years ago

cmundi commented 10 years ago

Example: When I create an xkcd-style plot using PyPlot.jl (see https://gist.github.com/cmundi/9041366) in a fresh session of IJulia, I get this error:

/usr/local/lib/python2.7/dist-packages/matplotlib-1.3.1-py2.7-linux-x86_64.egg/matplotlib/font_manager.py:1236: UserWarning: findfont: Font family ['Humor Sans', 'Comic Sans MS'] not found. Falling back to Bitstream Vera Sans (prop.get_family(), self.defaultFamily[fontext]))

Ok, so matplotlib apparently cannot find the Comic Sans font. That makes sense, because I don't see that font in /usr/share/fonts/truetype. But hold on a second! If I run the usual examples of xkcd in IPython (not IJulia) the comic sans fonts render in the plots -- no problem! Just for fun I installed the MS fonts which include Comic_Sans_MS.ttf and rebuilt the cache with

fc-cache -rv

which picked up the new fonts. Started a new session of IJulia and... no comic sans for xkcd... still gives me the fallback sans serif fonts.

I would say this is a font config problem (with IPython finding Comic Sans and IJulia not finding it) but that seems strange since PyPlot.jl is a wrapper around matplotlib. Any ideas?

Yes, I know, I should be making a useful contribution to society instead of worrying about xkcd. :)

Thanks.

stevengj commented 10 years ago

Hmm, I have no idea how matplotlib finds fonts. Maybe there is some path that gets set when you run python which is not getting set by linking to libpython?

stevengj commented 10 years ago

Does it work if you run pygui(true) so that plots pop up in a separate window? (I'm wondering if this is specific to the Agg backend.)

cmundi commented 10 years ago

Good suggestions. I am traveling and not ignoring. :)