I can confirm that this is broken in 0.98.3 and fixed in SVN. It's not
clear if a simple patch is possible -- the fix actually extends over a
number of changesets.
If you're able to build from SVN, I'm rather certain that should resolve
this issue. Otherwise, you may have to wait for the next release.
Cheers,
Mike
John Mariska wrote:
> Hi Mike,
>
> Thanks for the prompt response to my post. I've tried your solution
> and have not been successful. Am not running the svn head, but am at
> 0.98.3. Here is the little test code I have:
>
> #!/usr/bin/env python
>
> import numpy as np
> import matplotlib as mpl
> mpl.use('PS')
> from matplotlib.pyplot import figure, show
>
> mpl.rc('font', size=20)
> mpl.rc('ps', useafm=True)
> mpl.rc('text', usetex=False)
>
> fig = figure()
> fig.subplots_adjust(bottom=0.15, left=0.15)
>
> x = np.arange(0.0, 10.2, 0.2)
>
> ax = fig.add_subplot(111)
> ax.plot(x, np.sin(x), 'bo')
>
> ax.set_xlabel(r'x (cm$\mathsf{^{-3}}$)')
> ax.set_ylabel(r'y (ergs cm$\mathsf{^{-2}}$ s$^{-1}$)')
>
> show()
> fig.savefig('test_latex.eps')
>
> If I do a grep findfont test_latex.eps, the result is:
>
> /Helvetica findfont
> /Helvetica findfont
> /Helvetica findfont
> /Helvetica findfont
> /Helvetica findfont
> /Helvetica findfont
> /BitstreamVeraSans-Roman findfont
> /Cmsy10 findfont
> /Cmr10 findfont
> /BitstreamVeraSans-Roman findfont
> /Helvetica findfont
> /Helvetica findfont
> /Helvetica findfont
> /Helvetica findfont
> /Helvetica findfont
> /BitstreamVeraSans-Roman findfont
> /Cmsy10 findfont
> /Cmr10 findfont
> /BitstreamVeraSans-Roman findfont
> /Cmsy10 findfont
> /Cmr10 findfont
> /BitstreamVeraSans-Roman findfont
>
> I've also messed with making the changes in the matplolibrc file,
> without complete success. It may just be that this area of matplotlib
> is still a moving target.
>
> John M.
>
> Michael Droettboom wrote:
>> If you have "ps.useafm" set to True, (and "text.usetex" set to
>> False), the mathtext renderer will stick to the standard 35 ps fonts,
>> with the obvious limitations in the number of symbols available, and
>> no radical signs, etc. By default, all math is serif (in this case
>> Times). You can force sans-serif (Helvetica), by wrapping the math
>> in \mathsf{}, eg.
>>
>> r'ergs cm$\mathsf{^{-2}}$ s$\mathsf{^{-1}}$'
>>
>> Let me know if the above doesn't work for you. I only tested with
>> SVN head.
>>
>> Cheers,
>> Mike
>>
>> John Mariska wrote:
>>> Many scientific journals ask that authors submit figures as eps
>>> files, preferably using one of the standard 35 ps fonts--usually
>>> Helvetica or Times. I've been able to tweak the matplotlib.rc
>>> file to make eps plot files that have all the numbers and labels
>>> in Helvetica (or Times), but have a problem dealing with simple
>>> superscipts and subscripts. Is there a way to get simple LaTeX
>>> strings, such as r'ergs cm$^{-2}$ s$^{-1}$', to use only
>>> Helvetica or Times?
>>>
>>> John Mariska
>>>
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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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