I introduced this bug trying to fix the Cairo backend on Nov 12.
(r6400). It should now be fixed in SVN r6446. You will need to remove
~/.matplotlibrc/fontList.cache for the fix to take effect.
Mike
Michael Droettboom wrote:
> I'm seeing this here, too. Something must have been messed up recently
> in SVN. I'm looking into it.
>
> Mike
>
> Zane Selvans wrote:
>
>>> We have two modes to render latex -- one is native TeX layout and uses
>>> latex and dvipng, and is superior if you need all of TeX's
>>> capabilities (eg an eqnarray), but the fonts are suboptimal. The
>>> other is mathtext, which will cover 98% of most users' math needs,
>>> does not require a latex install because it is pure mpl, and uses
>>> nicer fonts .
>>>
>> Well, if I turn off usetex, then the LaTeX symbols don't get rendered
>> correctly. It's obviously trying to do something other than just
>> write out the plain text, but it's not doing the right thing. I quit
>> out of matplotlib, and re-purged all the cached stuff from my
>> .matplotlib directory, and it's still failing. From the docs, it
>> sounds like mathtext is just the default way for Text objects to get
>> rendered. It fails the same way irrespective of whether I use a raw
>> string, or a double-quoted string:
>>
>> fit_ax.set_ylabel(r'$\delta_{rms}$ [degrees]')
>> fit_ax.set_ylabel("$\delta_{rms}$ [degrees]")
>>
>> both give a capital 'C' with a subscript 'rms'
>>
>> $\bar{D}$ results in a capital D with a little circle over it.
>>
>> $20^\circ$ yields 20 raised to the little tiny 'e' power.
>> Even if I wipe my site-packages/matplotlib* directory and egg-info,
>> make clean, and recompile and install matplotlib from the SVN source,
>> I still get the same problem. I don't know if it means anything, but
>> I note that the mpl-data/fonts directory in SVN has 282 sub-entries,
>> and the mpl-data/fonts directory that's getting installed in my
>> site-packages only has 99 sub-entries. But maybe they aren't supposed
>> to be the same? Dunno.
>> So for now I can only get my math symbols to render with text.usetext
>> turned on.
>>
> I'm seeing
>
>
--
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA
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