Re: [Matplotlib-users] Autoscale embedding in gtk + dynamical update of plot + Y log scale

[Sandro T. <mo...@de...>]

Hi John,

On Tue, May 12, 2009 at 22:55, John Hunter <jd...@gm...> wrote:
> If you change the data directly, and want mpl to autoscale, you need
> to call ax.relim() before calling ax.autoscale_view().  mpl stores the
> min/max of the data you add to it when you add the lines, rectangles,
> etc to the figure.  When you update the data directly, there is no
> internal mechanism to notify the limits to update (we could add this
> but haven't).  So you must explicitly call relim, which tells mpl to
> reinspect the data recalculate the limits.  It might be a better
> design to have each artist store its limits, updating them when data
> is updated, and then having the container artists, eg the Axes, do a
> union of the child bboxes.  But this is not the design we have
> currently.

Ahhh, relim() - that's what I was missing! :)

Well, now that I've tried with relim(), I don't know it the result is
better or not :S I'm attaching the screenshots here for comments (if
there's any): 1 is with xlim/ylim set to max of datapoints, 2 is with
relim and ax.autoscale_view()

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