Re: [Matplotlib-users] Dynamic plotting?

[Sandro T. <mat...@gm...>]

Hello guillaume,

On Mon, Jun 29, 2009 at 10:53, guillaume ranquet<gra...@wy...> wrote:
> I've been asked to transform my app to something more "dynamic"
> it currently reads an xml file, it has now to read a stream of xml from
> a socket (I can handle this part :D) and plot each point as they are
> coming from the network.
>
> I'll end up having tons of points over multiple axes; I guess doing
> sonething like fig.plot(concat(old-data,new-point)) would be rather
> inefficient and I wonder if someone ever made something like this using
> matplotlib?

You can refer to animation examples [1] for code that does what you want.

[1] http://matplotlib.sourceforge.net/examples/animation/index.html

at the very end, you update the line data with set_ydata() ,
set_xdata() or set_data() and then call a draw() on the figure.

Regards,
-- 
Sandro Tosi (aka morph, morpheus, matrixhasu)
My website: http://matrixhasu.altervista.org/
Me at Debian: http://wiki.debian.org/SandroTosi