"John Hunter" <[EMAIL PROTECTED]> writes:
> Hi all -- John H here under a different email.... I'm on vacation so
> I'll probably be out of touch for a week but just dashed into a
> cyber-cafe and couldn't resist jumping in.
[It seems that you only sent the email to me, but it looks like it is
meant for the list, so I re-sent it.]
> For those of us on the beach in Michican w/o read access to a TeX
> interpreter, perhaps you could describe what is different or broken.
This works and produces "xyz" in a Roman font:
In [8]:rcParams['text.usetex'] = True
In [9]:text(0,0,r'$\rm xyz$')
Out[9]:<matplotlib.text.Text instance at 0x1729be90>
This fails with an exception:
In [10]:rcParams['text.usetex'] = False
In [11]:text(0,0,r'$\rm xyz$')
---------------------------------------------------------------------------
exceptions.ValueError Traceback (most recent
call last)
/Users/jks/<ipython console>
[...]
--> 613 raise ValueError('unrecognized symbol "%s"' % sym)
614
615 #print sym, basename, num
ValueError: unrecognized symbol "\rm"
In TeX \rm and friends set the font in the current scope. Mathtext
seems to only recognize \rm with an argument in braces, e.g. \rm{xyz}.
> The only "fresh rewrite" I'd be happy to consider is one that
> translated Knuth's algorithm for parsing mathematical expressions
> more or less verbatim.
That's a pretty tall order (as I'm sure you know). Just for fun, go to
http://latex.olympus.het.brown.edu/ and search for the word
"obfuscated".
--
Jouni
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