I was gone for the weekend (sorry, but that 'life' thing gets in the way of
getting things done sometimes). I don't have a way to build stuff at the
moment. Can I just check out the axes.py and replace my current one, or are
there too many changes?
Mark
On Fri, Oct 24, 2008 at 7:57 AM, Eric Firing <[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?
>>
>> 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)
>>
>
> Mark,
>
> I made some more changes so that the above works by changing the adjustable
> to 'datalim'. Have I broken anything? Does this work for your
> applications?
>
> Eric
>
>
>> 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
>>
>> 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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