Re: [Matplotlib-users] problems with autoscale_view

[Benjamin R. <ben...@ou...>]

On Sun, Aug 29, 2010 at 6:29 AM, xyz <mi...@op...> wrote:

> On 29/08/10 17:28, Eric Firing wrote:
> > On 08/28/2010 06:40 PM, xyz wrote:
> >> Hello,
> >> If I use autoscale_view than:
> >> * plt.text appears outside x and y coordinates
> >> * and the coordinates starts do not from 0 whereas I use ax.set_xlim(0)
> >> and ax.set_ylim(0)
> >>
> >> What did I wrong?
> > The call to autoscale_view overrides the earlier calls to set_xlim and
> > set_ylim. There is no built-in mechanism for autoscaling only the upper
> > limit, and holding the lower limit fixed.  You could make such a
> > mechanism by writing a custom Locator, but it may make more sense to
> > calculate the upper limit directly in your code based on your data, and
> > then use set_xlim and set_ylim to set both ends of each axis.
> >
> > Eric
> >
>
> Thank you for your answer. However, I do not how to calculate the upper
> limit directly from my code based on my data, and then use set_xlim and
> set_ylim to set both ends of each axis. Could you show me please how to
> do it?
>
> Thank you in advance.
>
>
You could try:

maxy = max(max(y1), max(y2))
maxx = max(x)

ax.set_xlim((0.0, maxx))
ax.set_ylim((0.0, maxy))


I hope that helps,
Ben Root