Kacey A. wrote:
> Originally emailed this off to the wrong list, but any help would be
> much appreciated!
>
> ---------- Forwarded message ----------
> From: *Kacey A.* <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>
> Date: Wed, Apr 16, 2008 at 8:44 PM
> Subject: Issues with TeX symbols and font changes
> To: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
>
>
> Hello all,
>
> I've spent more time than I care to share trying to remedy this, but
> it just doesn't seem to be working... So long story short, I'm trying
> to insert a special symbol in my axis label, so I type the following:
>
> [1] xlabel = (r"Wavelength ($\AA$)")
>
> ...in order to receive the symbol for angstroms (an "A" with a circle
> above it). Problem is... whereas the rest of my plot is in whatever
> the default Scipy plot font is (Tahoma, perhaps?),
The default font is Bitstream Vera Sans.
> the stubborn angstroms symbol is in Times New Roman-esque font, which
> is bothering me to no end. I've attempted just changing the font of
> the entire font by using
>
> [2] font = {"fontname":"Times New Roman"}
> ...
> [3] xlabel = (ur"Wavelength ($\AA$)", **font)
>
> ...but unfortunately that does nothing to affect the font of the axis
> tickmark labels (i.e. the numbers along the axes) -- so while my axis
> labels (excluding the angstrom symbol) and plot text (i.e.
> text(x,y,string)) might be in the font set via command [2], the axis
> numbering will *still* be in the default (i.e. Tahoma).
To change the font globally (excluding mathtext), you can do:
rc('font', family='Times New Roman')
>
> For what help it's worth, I'm running OS X (10.4.11) and Python 2.5.1,
> although I'm not 100% certain of what version of Scipy and Numpy I
> have installed... (I *think* I'm running Scipy 0.3.2). I'm also using
> TextMate to type and run my scripts.
>
> Thanks so much for any help in advance! I really love SciPy, but if
> there's really no feasible workaround for this... I might just have to
> use a different package altogether. Thanks again.
When using mathtext (putting symbols inside of a pair of $),
unfortunately the font choices are rather limited. You basically have a
choice of Computer Modern (used in TeX/LaTeX documents), STIX (which is
based on Times), and STIX sans (which is sans-serif, based on some font
I haven't been able to identify). This font can be set with the
mathtext.fontset rcParam (to one of cm, stix, stixsans or custom).
Fortunately, all is not lost. If all you need to is an Angstrom symbol,
you can use Unicode rather than mathtext. The code point for Å (A with
ring above) is C5 -- so you can type the following string in Python:
ur"Wavelength (\u00c5)"
I hope that one of these options will prove helpful.
Cheers,
Mike
--
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA
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