Thanks Mike. The Greek symbols become visible when I make the changes as you
suggested. DejaVu Sans has been installed in my system (Fedora 12). We might
put a note on the documentation stating to get wider Unicode coverage people
could install additional fonts --DejaVu Sans being one of them instead of
shipping the fonts with matplotlib.
With my working unicode example, now I have three ways to show u^-2 on
labels. See the code at:
http://code.google.com/p/ccnworks/source/browse/trunk/various/threemus.py
Not heavy Latex users like me might find unicode fonts much easier to create
their labels. Especially using units like #/cm^3.
There are so many nice looking symbols in the DejaVu Sans samples at
http://dejavu.sf.net/samples/DejaVuSans.pdf
Is it possible in matplotlib to use those symbols as replacement for regular
markers while plotting? I recall someone was asking about using Latex
symbols as markers, but not sure about the fate of his question.
Thanks
On Fri, Feb 26, 2010 at 10:13 AM, Michael Droettboom <md...@stsci.edu>wrote:
> Thanks for the reminder. Sorry this fell through the cracks.
>
> The reason this worked for me and not for you is that I had set (and later
> forgotten) font.sans-serif to the following:
>
> font.sans-serif : DejaVu Sans, Bitstream Vera Sans, Lucida Grande,
> Verdana, Geneva, Lucid, Arial, Helvetica, Avant Garde, sans-serif
>
> DejaVu Sans is the successor to Vera Sans that includes much larger Unicode
> coverage, including the Greek characters here. Vera Sans (at least the
> version shipped with matplotlib) does not include these characters.
>
> It's an open question whether we want to ship the larger DejaVu fonts with
> matplotlib (and annoy the distro packagers even further who already dislike
> some of matplotlib's redundancy). A less disruptive change may be to change
> the rc defaults to put DejaVu in front of Vera, even though we don't ship
> DejaVu. This will help the majority of Linux users on modern distros (where
> DejaVu is almost always installed by default, I suspect), and still have our
> own Vera as a fallback (albeit with a more limited character set).
> Especially since DejaVu and Vera are basically the same font, and
> substituting one for the other would not change the appearance of plots, I
> think this a reasonably safe thing to do -- but I'd appreciate feedback in
> case I haven't thought through all the issues.
>
> Mike
>
> Gökhan Sever wrote:
>
>>
>>
>> On Fri, Jan 29, 2010 at 7:43 AM, Michael Droettboom <md...@stsci.edu<mailto:
>> md...@stsci.edu>> wrote:
>>
>> On 01/28/2010 08:08 PM, Gökhan Sever wrote:
>>
>> #!/usr/bin/python
>> # -*- coding: utf-8 -*-
>>
>> from pylab import *
>>
>> plot([1]*5)
>> xlabel(u'μ = 50')
>> ylabel(u'σ = 1.5')
>>
>> show()
>>
>> It works for me. Can you provide a screenshot and the output from
>> matplotlib with "verbose.level : debug-annoying" in your matplotlibrc?
>>
>> Mike
>>
>>
>> Mike,
>>
>> Attached are the outputs. Which font do you activated in your
>> matplotlibrc? Currently non-active in mine.
>>
>>
>> --
>> Gökhan
>> ------------------------------------------------------------------------
>>
>>
> --
> Michael Droettboom
> Science Software Branch
> Operations and Engineering Division
> Space Telescope Science Institute
> Operated by AURA for NASA
>
>
--
Gökhan
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