Stefan,
That certainly looks to me like a bug, but it is not obvious to me after
a quick look where the bug is (although I suspect it is very simple),
and I can't look at it more right now. If someone else doesn't chime in
with a fix, you might want to file a bug report on sourceforge to make
sure it is not forgotten. Maybe I can take another look within the next
few days.
What do you mean when you say "the image gets scaled after plotting"?
Eric
Stefan van der Walt wrote:
> Hi all,
>
> I have a script that reads in mouse-click coordinates from an image.
> I noticed that, with image extents specified, the axes flip whenever I
> plot to them.
>
> This snippet demonstrates the behaviour I see:
>
> # -- START --
>
> import pylab as P
> import numpy as N
>
> # Generate test pattern
> x = N.arange(100).reshape(-1,1) + N.zeros(100)
>
> def click(event):
> print "Mouse click at (%f,%f)" % (event.xdata,event.ydata)
> P.plot([event.xdata],[event.ydata],'o')
> P.draw()
>
> P.imshow(x,extent=(0,x.shape[1],x.shape[0],0))
> P.connect('button_press_event',click)
> P.show()
>
> # -- END --
>
>
> Is this normal? If so, how do I get around the problem? I also
> noticed that, even without extents, the image gets scaled after
> plotting.
>
> I'd appreciate any advice!
>
> Thanks for your time.
> Stéfan
>
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