Hi,

 Eric, I will be happy to test your possible fix too. I have similar
problem with autoscaling shared axes like you Mark.

David

Mark Bakker a écrit :
> Thanks Eric.
> 
> You know that this has been on my wish list for a long time.
> 
> Let me know if I can test anything or help in any other way,
> 
> Mark
> 
> On Wed, Oct 22, 2008 at 10:54 AM, Eric Firing <[EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>> wrote:
> 
>     Mark Bakker wrote:
> 
>         Hello list (especially Erik, who can fix this I hope) -
> 
>         I have had problems with shared axes, especially when one of the
>         axis has an aspect ratio that is set 'equal'. It has been
>         discussed on the list before (mostly with Erik Firing), but it
>         hasn't been fixed yet. What I want to do is have two plots. The
>         top plot has an aspect ratio that is 'equal'. The idea is to
>         have a contour plot in the top figure, while the bottom figure
>         gives a cross-sectional picture of what I am plotting. This used
>         to work well (quite some time ago), including zooming and such.
>         But now I cannot plot it at all, let alone zoom.
> 
>         My first problem is when I add a subplot with a shared x-axis,
>         it changes the limits on the original x-axis. That seems to be a
>         bug:
>         ax1 = subplot(211)
>         plot([1,2,3])  # Now the limits of the x-axis go from 0 to 2.
>         subplot(212,sharex=ax1)  # Now the limits of both x-axis go from
>         0 to 1.
> 
>         After all, the new subplot shares the axis with the existing
>         subplot, so why doesn't it copy the axis limits from that subplot?
> 
> 
>     I may have the fix for this, but I need more time to check and
>     refine it--and try to make sure that I don't break anything else in
>     the process.
> 
> 
> 
>         But the bigger problem occurs when I want the aspect ratio of
>         one of the first axis to be 'equal'.
> 
>         ax1 = subplot(211,aspect='equal')
>         plot([1,2,3]) subplot(212,sharex=ax1)
> 
>         The second subplot is added, but the length of the graph is not
>         the same as for the first subplot. It also resets the xlimits to
>         go from 0 to 1, as before, which means the first subplot becomes
>         unreadable (it still enforces 'equal' in the first subplot by
>         changing the limits of the y-axis). When I now change the limits
>         on the x-axis, the aspect ratio is not equal anymore
> 
> 
>     I will see what I can do.  There are definitely some bugs that need
>     to be squashed.
> 
>     Eric
> 
> 
>         ax1.set_xlim(0,2)
>         draw()
> 
>         Thanks for your help. I am willing to help in testing any changes.
> 
>         Best regards, Mark
> 
> 
> 
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