Re: [Matplotlib-users] Control of thread/program not returning to ipython after creating a plot.

On Wed, Nov 17, 2010 at 6:54 PM, Collin Day <dcd...@gm...> wrote:

> Either I updated something that changed Matplotlib's behavior or I am
> missing something, but when I make a plot in ipython, control is not
> returning to the prompt - I can't do anything until I close the plot.
> Here is exactly what I am doing:
>
> ipython --pylab
>
> x=arange(10)
> y=x**2
>
> figure()
> plot(x,y)
> show()
>
> Also, I am not sure if that is right.  In the past I remember just being
> able to type plot() and the figure came up and control went back to
> ipython to continue.  But I could be wrong.
>
> Then, if I want to do anything else, I have to close the window.  The
> backend I am using is WXAgg.  I also noticed that if I use the GTKAgg
> backend, control does not return to the prompt even after closing the
> plot.  I have to hit ctl-c to get the prompt back.  I have tried this
> both with ion() and ioff().
>
> I don't ever remember having to close the plot or hit control-c to keep
> working.  I googled and did not really see anything relevant.  Could
> anyone tell me what I am missing or what I need to do so that I can
> plot in ipython, leave the plot up, and then continue working?
>
> I have matplotlib 1.0.0 and ipython 0.10.1
>
> Thanks for any help!
>
>
Most likely, you were used to interactive mode being on.  A new installation
of matplotlib might have over-written your matplotlibrc file, resetting the
option to False.  Find your matplotlibrc file and change interactive to True
to get the behavior you want.

I hope that helps!

Ben Root