More information -- I just compiled matplotlib on a communal RHEL4 
64-bit installation, and I still can not reproduce this bug there.

The plot thickens...

Cheers,
Mike

Michael Droettboom wrote:
> Thanks for this information.  It looks like the font outline data is 
> somehow getting corrupted before freetype renders it.  Again, however, I 
> can't reproduce it on my machine (I've attached a copy of what it looks 
> like for me), so I'm still pretty stumped.  My suspicion is that it's a 
> 64-bit vs. 32-bit problem since both people known to have trouble are on 
> 64-bit platforms, and I am not.  I have tried recompiling with gcc-4.2.2 
> and I still wasn't able to reproduce.
> 
> One thing you could *try*, to rule out any recent changes to the glyph 
> rendering, is to comment out this line near the top of src/ft2font.cpp:
> 
> #define VERTICAL_HINTING
> 
> as follows
> 
> //#define VERTICAL_HINTING
> 
> Additional information:  Are there any warnings produced when compiling 
> ft2font.cpp?  Can you send me your matplotlibrc file?
> 
> Cheers,
> Mike
> 
> [EMAIL PROTECTED] wrote:
>> Yep that can be a good idea. I don't know anything on how mathtext is 
>> working but I'm not completely sure that the problem is with freetype 
>> because sometime that can work. In reality every character I tested 
>> worked but you have to put in a certain order. To understand a little 
>> bit more what I try to say (very badly) see the script join and the 
>> figure.  
>> I hope that can help a little bit to try to find the reason of this 
>> behaviour.
>>
>> N
>>
>> Le Thursday 25 October 2007 15:41:40 Michael Droettboom, vous avez 
>> écrit :
>>> Darren Dale wrote:
>>>> Hi Mike,
>>>>
>>>> On Tuesday 23 October 2007 09:05:56 am Michael Droettboom wrote:
>>>>> Unfortunately, I can't reproduce this on my machine even with the 
>>>>> latest
>>>>> stable version of freetype-2.5.3 (which is the same version in Ubuntu
>>>>> Gutsy).
>>>> I think you mean freetype-2.3.5. I also have that version installed,
>>>> although the mpl setup script is reporting 9.16.3.
>>> Yes.  freetype-2.3.5.  There are arcane historical reasons I don't fully
>>> comprehend why the pkgconfig version doesn't match the release version
>>> (and why freetype2 is called freetype6 on Debian and derivatives)...
>>> but my numbers do match yours.
>>>
>>>>> The Ubuntu/Debian package of freetype has a lot of patches
>>>>> applied, and I don't know if they are causing this (but from the looks
>>>>> of them, I doubt it).
>>>>>
>>>>> Can you set debug.verbose to "annoying" and send me the output of your
>>>>> matplotlib run?  I want to rule out any font-loading problems.
>>>> It's attached. I'm running 64bit gentoo, everything compiled with
>>>> gcc-4.2.2, in case its relevent.
>>> Always good to have more details, but I'm sort of at a loss on this one,
>>> especially since I can't reproduce it.
>>>
>>> Maybe we need to take a poll on this list of who is working and who
>>> isn't to see what the source of the breakage may be...
>>>
>>> Cheers,
>>> Mike
>>>
>>> ------------------------------------------------------------------------
>>>
> 
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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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