On Fri, Sep 23, 2011 at 10:34 AM, Michael Droettboom <[email protected]> wrote: > I'm not able to reproduce this here (git/master on Ubuntu 10.4, Python > 2.7). Can you send and/or link to an example broken image? The way in > which it is failing may illustrate the cause of the problem. It could > also be that the difference in the freetype library/settings is causing > enough difference to trip the threshold (we've seen that before). If > that's the case (i.e. they look identical to the human eye, but there > are some low-level differences in the anti-aliasing), we probably just > need to increase the difference threshold on those tests. If, however, > those tests worked on this system until recently, "git bisect" may > reveal what caused the breakage.
The images are extremely close by eye: I can see a little difference
on the font weight on the delta subscript in the attached images if I
toggle back and forth in eog, but it does look like a tolerance issue.
I don't exactly when this stopped working, but my platform info is:
BUILDING MATPLOTLIB
matplotlib: 1.1.0
python: 2.6.6 (r266:84292, Sep 15 2010, 16:22:56) [GCC
4.4.5]
platform: linux2
REQUIRED DEPENDENCIES
numpy: 2.0.0.dev-aded70c
freetype2: 12.0.6
OPTIONAL BACKEND DEPENDENCIES
libpng: 1.2.44
Tkinter: Tkinter: 73770, Tk: 8.5, Tcl: 8.5
Gtk-Message: Failed to load module "gnomesegvhandler":
libgnomesegvhandler.so: cannot open shared object file: No such file
or directory
Gtk-Message: Failed to load module "gnomesegvhandler":
libgnomesegvhandler.so: cannot open shared object file: No such file
or directory
Gtk+: gtk+: 2.22.0, glib: 2.26.1, pygtk: 2.21.0,
pygobject: 2.21.5
Mac OS X native: no
Qt: Qt: 3.3.8, PyQt: 3.18.1
Qt4: Qt: 4.7.0, PyQt4: 4.7.4
Cairo: 1.8.8
OPTIONAL DATE/TIMEZONE DEPENDENCIES
datetime: present, version unknown
dateutil: 1.5
/home/jdhunter/dev/lib/python2.6/site-packages/pytz-2010h-py2.6.egg/pytz/__init__.py:32:
UserWarning: Module dateutil was already imported from
/home/jdhunter/dev/lib/python2.6/site-packages/dateutil/__init__.pyc,
but /usr/lib/pymodules/python2.6 is being added to sys.path
pytz: 2010h
OPTIONAL USETEX DEPENDENCIES
dvipng: 1.13
ghostscript: 8.71
latex: 3.1415926
pdftops: 0.14.3
<<attachment: expected-mathtext_stixsans_37.png>>
<<attachment: mathtext_stixsans_37.png>>
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