Can you please provide a screenshot of what you are seeing?
I don't run Mac OS-X myself, so have no experience with the Mac
OS-X-specific backend... however, it appears to be drawing regular text
with native APIs (ATSUI etc.) and mathtext using matplotlib's freetype
backend and blitting an image. If done correctly, there is no reason
why one should be significantly lower quality than the other, but it is
an obvious source of *difference*, particularly if font size is being
handled differently in each case.
I would suggest to Michiel de Hoon (author of Mac OS-X backend), to
implement a full interface to mathtext for his backend (as PDF does, for
instance) and do all glyph rendering with ATSUI, or the opposite -- do
all glyph rendering by blitting freetype-rendered glyphs -- but not
both. I have some concerns about the use of ATSUI, which, while
arguably the better text system, will give different results than the
Agg backends and cause cross-platform differences between plots, which
is something in general we like to avoid.
Cheers,
Mike
Zane Selvans wrote:
First, *thank you* to whoever did the Mac OS X backend. It's much
faster and smoother, and seems to behave much more reasonably all
around. As in, show() actually does what it says it's supposed to do,
and the figures don't have to be re-sized to draw themselves!
However, there seems to be some kind of strangeness with using
mathtext. When an axis label, tick label, title, or other text has
any mathtext embedded within it, the font that the entire text object
is rendered in changes, becoming larger, and often fuzzier (in an
anti-aliased kind of way).
On the plus (though confusing) side, the ticklabels that are being
output by the basemap toolkit are now the same size as all my normal
ticklabels, even though they appear to contain a mathtext character
(the ^\circ for the degrees symbol), whereas previously, all the
basemap ticklabels were coming out larger than the rest of my
ticklabels, and I didn't seem to be able to alter them in the normal
text object manipulation ways.
I'm running on:
Matplotlib SVN: v6677
Mac OS 10.5.6
macosx backend
python 2.5.1
ipython 0.9.1
After I noticed this the first time, I quit out of the interpreter,
and deleted the font cache from my .matplotlib directory, restarted,
and the problem persisted.
Any suggestions? I don't have any of the alternate tex rendering
options set in my rcfile, just using plain mathtext.
--
Zane Selvans
Amateur Earthling
z...@ideotrope.org mailto:z...@ideotrope.org
303/815-6866
http://zaneselvans.org
PGP Key: 55E0815F
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Space Telescope Science Institute
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