Indeed that is a bug. That is one of about a dozen missing symbols from
the mapping that I just found be comparing the legacy Adobe Type1
name-to-Unicode mapping in matplotlib to the LaTeX-to-Unicode mapping
that is currently used. I committed these to master here:
https://github.com/matplotlib/matplotlib/commit/7f55623c84eaa7df7c8c534350ac03a72c32fb83
Mike
On 09/01/2011 10:25 AM, Alejandro Weinstein wrote:
> Hi:
>
> I am having problems with the \dagger LaTex symbol. The following code
>
> import matplotlib.pyplot as plt
>
> plt.plot([1,2,3])
> plt.title(r'$ \dagger $')
> plt.show()
>
> produce a long Traceback that ends in
>
> File "/usr/lib/pymodules/python2.6/matplotlib/mathtext.py", line 1997,
> in raise_error
> raise ParseFatalException(msg + "\n" + s)
> ParseFatalException: Expected end of math '$'
> $ \dagger $ (at char 0), (line:1, col:1)
>
> Other LaTex symbols works OK. For instance, if I use plt.title(r'$
> \diamond $') instead, it works. I checked in mathtext.py, and \dagger
> is in the list of symbols.
>
> I am running Matplotlib '0.99.1.1'.
>
> Any idea about this problem?
>
> Alejandro.
>
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Michael Droettboom
Science Software Branch
Space Telescope Science Institute
Baltimore, Maryland, USA
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