Re: [Matplotlib-users] Plotting with WxAgg backend hangs

[Phil E. <pel...@gm...>]

I don't know of any reason why one shouldn't be able to use the wxAgg
backend interactively.
This looks like a bug to me. Would you mind adding this as an issue on the
github issue tracker?

Thanks,


On 11 March 2013 19:06, Brendan Barnwell <bre...@br...> wrote:

>         I'm 64-bit Windows 7 with matplotlib 1.2.0 and WxPython 2.8.12.1.
>  I
> was fiddling around with some of the different backends to see what
> they look like and I found that the WxAgg backend doesn't work:
>
> Python 2.7.3 (default, Apr 10 2012, 23:24:47) [MSC v.1500 64 bit
> (AMD64)] on win
> 32
> Type "help", "copyright", "credits" or "license" for more information.
>  >>> import matplotlib as mpl
>  >>> mpl.use('WxAgg')
>  >>> from matplotlib import pyplot
>  >>> pyplot.ion()
>  >>> pyplot.plot([1, 2, 3])
> [<matplotlib.lines.Line2D object at 0x0000000006757DA0>]
>  >>>
>
>         When I do the plot, the figure windows appears, but it's blank
> (without even a proper blank background, just a white area) and
> immediately shows "Not responding".  I have to kill the window, and
> doing so crashes the Python session.  However, it works without the
> "ion()" call: I can then call show() and see the plot fine.
>
>         I have wxPython working fine in other apps.  In fact, what's
> especially odd is that I actually have an app that directly uses
> FigureCanvasWxAgg to embed matplotlib graphs in a GUI, and this seems
> to work fine.  So it seems the problem is somehow in matplotlib's own
> management of the interactive figure window.
>
>         There was a previous question about a similar WxAgg issue on the
> list
> (
>
> http://matplotlib.1069221.n5.nabble.com/trouble-with-show-not-drawing-in-interactive-mode-w-WxAgg-td39110.html
> ), but there was no real answer: the poster just decided not to use
> WxAgg.  But aren't we really supposed to be able to use WxAgg
> interactively?
>
> Thanks,
> --
> Brendan Barnwell
> "Do not follow where the path may lead.  Go, instead, where there is
> no path, and leave a trail."
>     --author unknown
>
>
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