matplotlib-users Mailing List for matplotlib

For what it's worth, I checked this out on my Windows 8 machine and
didn't have any problems.

On Thu, Jan 10, 2013 at 8:35 AM, Michael Droettboom <md...@st...> wrote:
> Since this is specific to Windows 8, I wonder if the Arial font has been
> updated in that version.  If it's a newer OTF font, rather than a TTF font,
> it's possible matplotlib can't read it correctly.
>
> You can see what font file is on each platform by starting up a Python
> prompt and doing:
>
>   >>> from matplotlib import font_manager
>   >>> font_manager.findfont("Arial")
>
> It should display the path to the font.  From that, you should be able to
> get the Arial file on each of your platforms and see if they are different.
> To get more details, you could open them up in the open source "fontforge"
> tool.  Sorry I can't do this myself, as I don't have access to anything past
> XP.
>
> If the fonts turn out to be different, as a workaround, you could try
> backing up and then replacing the Arial font on your Windows 8 machine with
> the one on your Windows 7 machine.
>
> Cheers,
> Mike
>
> On 01/09/2013 11:59 PM, Paul Hobson wrote:
>
> Sounds like it might have something to do with your Latex installation (if
> any) or the barebones Latex-rendering done by MPL alone. Namely, they simply
> don't have the characters for mathematical Arial available.
>
> Not too sure though. Hopefully someone more knowledgeable responds.
> -paul
>
>
> On Tue, Jan 8, 2013 at 9:31 PM, CAB <ca...@ya...> wrote:
>>
>> Hi, All,
>>
>> I am encountering a thorny problem when trying to run matplotlib under
>> Windows 8.  If I label an axis using a command like
>>
>> ax.set_ylabel(r'time (s)', name='Arial'),
>>
>> all is well.  But if  try to add mathtext to that, as in
>>
>> ax.set_ylabel(r'time ($s$)', name='Arial'),
>>
>> mathtext.py throws an error (a very long stream) ending in "RuntimeError:
>> Face has no glyph names".  If I remove the "name='Arial'" above and let the
>> program default to Bitstream Vera Sans, the mathtext works.
>>
>> This problem does not occur under Windows 7 or XP; only under two
>> different Windows 8 installations.  Any ideas what's going on?
>>
>> Chad
>>
>>
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Daniel Hyams
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