This is a longstanding known issue -- the font finding algorithm is way
too precise, and should instead do a nearest-neighbor search similar to
fontconfig. It's a non-trivial bit of code that no one has yet found
time for.
If you're running matplotlib 0.98.x and are on a non-Windows platform,
you can try the experimental fontconfig support by changing the
"USE_FONTCONFIG" variable to "True" in font_manager.py. (You'll need to
install fontconfig on OS-X -- most recent Linux distributions should
already have it.)
Cheers,
Mike
Stan West wrote:
> Greetings. It seems that a "not" operator got dropped in rev. 6143 to
> font_manager.py. I've attached a patch.
>
> The missing "not" tripped up findfont when trying to match font weights: the
> code
>
> fm = matplotlib.font_manager.FontManager()
> fm.findfont('New Century Schoolbook', fontext='afm')
>
> was yielding '...\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf' instead of
> the expected '...\\matplotlib\\mpl-data\\fonts\\afm\\pncr8a.afm', because
> fm.afmdict['New Century Schoolbook']['normal']['normal'] had only the
> weights 500 and 700, not the 400 called for by the implicit normal weight in
> the findfont call.
>
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--
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA
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