On Fri, May 28, 2010 at 1:04 PM, Pearu Peterson <pe...@cens.ioc.ee> wrote:

> Regarding reusing existing line --- I have understood that this
> will work only if the length of the line data does not change.

This is not correct -- you can change the line length with calls to set_data

> In my case the data grows as more data points are acquired and I have
> not figured out how to make axes to set new limits after changing
> the line data.

ax.relim()


Cheers,
JDH

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