Have you read these?
http://www.scipy.org/Cookbook/Matplotlib/Animations
http://matplotlib.sourceforge.net/examples/animation/index.html?highlight=animation
What I normally do is plot everything (forget about interactive mode, its
just too slow) and get handles to curves, then update the curves values.
With this you don't need to redraw _everything_ each time you add a new
element.
I remember reading a page about animation and backends, but I can't find it
anymore, maybe the previous links can help you.
Good luck
2009/9/2 RazAlon <raz.a...@weizmann.ac.il>
>
> Hi,
>
> I wish to have several (about 3) plots which are updated about once per
> second, as part of some application that's monitoring an instrument.
>
> I set pyplot to interactive mode. I create as many figures as I need, and
> then I simply plot to them whenever I have new data coming in (each time I
> plot a new x and y vectors, I don't know if it's possible just to append
> data points to existing plots).
>
> I work on windows xp with the default matplotlib settings.
>
> This procedure is very slow. The plots take ages to update.
>
> Is there a faster way to do that?
>
> Thank you,
> Raz
>
>
>
> --
> View this message in context:
> http://www.nabble.com/how-to-update-plots-fast-tp25252745p25252745.html
> Sent from the matplotlib - users mailing list archive at Nabble.com.
>
>
>
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