John Hunter-4 wrote:
>
> Ahh, mixing matplotlib.use from an interactive ipython session -- that is
> an
> important detail :-) What is your backend (import matplotlib; print
> matplotlib.rcParams['backend']) It is quite likely that you are getting
> cross GUI / cross threading problems from trying to do this inside
> ipython,
> which may be using one GUI backend based on rc at pylab startup, and mpl
> is
> trying to use another one with the use directive. Basically, "use" is not
> supported for switching GUIs, it was designed to be the first line
> executed
> in a session but when you do this interactively in ipython pylab mode, you
> are asking for a world of pain.
>
> Try running your example from a standard unix shell rather than from
> ipython
>
> JDH
>
Sorry, I should have specified: I wrote this script to use separate from my
interactive sessions as a test. I use Qt4Agg now, set in my matplotlibrc,
and I do not use matplotlib.use() at all (since it doesn't work anyway).
The faster performance I reported was achieved by setting the backend in my
matplotlibrc, not on the command line. So I don't think I'm running into
the issues you're talking about.
I don't really know how to run a script in which I expect plots to show up
from the command line. If I do something simple like 'python test.py' it
pops up windows but never shows the plots I expect to see.
Adam
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