I had similar problem before. This is a bug in 0.91.1. It has been fixed in
svn. You can try updating.
Yongtao
On Dec 31, 2007 5:21 PM, charles bartlett <[EMAIL PROTECTED]> wrote:
> I ran the attached python program under Ubuntu and Windows2000 with
> different results. I expect the results to be similar.
>
> Running under Ubuntu works great, and as expected.
>
> Running under Windows2000 does not work well. Specifically, it works for
> awhile, but then stops working and opens a small window with title:
> wxPython: stdout/stderr, with many messages ultimately ending with the
> root issue - Cannot_Open_Resource, Could not open facefile, in
> _get_agg_font at line 301 of backend_agg.py.
>
> On Windows2000 it runs for about 1 minute, then stops working and starts
> delivering this series of error messages.
>
> On Ubuntu, I can run it all day with no problems.
>
> It might be easiest if you simply run the program under Linux and under
> Windows and see if you note the same difference.
>
> To run the program, maximize to expose the buttons and slider. Press
> Start - you should see the plot flip back-and-forth between sin and cos
> every 1 second. Move the slider to adjust the speed of flip.
>
> I know that this program could be laid out better, etc - and that is not
> my issue; this program is just a quick check of the capabilities of
> matplotlib plot updates. I am interested in supporting real-time
> plotting using matplotlib within a wxPython GUI. So, maybe you could
> suggest an alternative way to write this program that works well on
> Windows.
>
> [More fundamentally, this program should work equivalently on Windows
> and Linux. This may be a wxWidgets issue however, i.e. perhaps it
> involves how graphical resources are obtained/available/reclaimed from
> the underlying graphics subsystem of the OS. Perhaps the reclaim is much
> more efficient under Linux and I need to do some explicit resource
> reclaim under Windows (?).]
>
> BTW, if you are interested, I can clean this snippet up a little and
> maybe you would want to include it in your examples, as it demonstrates
> another aspect of matplotlib use that may be of general interest (?). Of
> course, it should first also work under Windows :).
>
> Thanks for any replies.
>
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