Hello, I cannot reproduce your problem with current svn and backends "GTKAgg", "TkAgg" and "WXAgg".
What version of matplotlib you are using? What backend?
Could you provide a stand-alone example which illustrates your problem?
I attached the example file I used to try to find your reported strangeness.
Kind regards,
Matthias
On Monday 28 September 2009 18:34:42 Nyx wrote:
> Hello,
>
> I want to dynamically update a plot of the rate at which a neural network
> is learning a function. Ideally, my python program would open up a window
> and update the plot inside of it after every training epoch.
>
> I have written the following code to do so:
>
> pyplot.title('Learning Curve')
> pyplot.xlabel('Epoch #')
> pyplot.ylabel('Success rate (%)')
>
> pyplot.plot(range(1, len(rates)+1), rates, 'r-')
>
> pyplot.draw()
>
> Note that I am also calling pyplot.ion() at the start of the program.
>
> This *mostly* works. However, I run into a strange issue. If the figure
> window is minimized/hidden, when I open it up, nothing shows up in it (the
> content is only grey). The plot will appear only if the window is
> maximized/visible when the plotting occurs. If I again minimize the window
> after the plot was drawn, it goes back to being gray.
Plot_Updating_Strangeness.py
Description: application/python
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