Re: [Matplotlib-users] Bug in imshow ?

[Xavier G. <gn...@ob...>]

Eric Emsellem a écrit :

> Hi,
>
> 2 issues:
>
> 1/ just to remind you that I am still looking for a solution to the 
> previously
> mentioned bug in imshow (in terms of aspect='preserve').
>
> 2/ I have another problem with imshow:
>
> When I do for example:
>
> figure(1)
> axes([-0.1,0,0.8,0.8])
> myima = rand(50,50)
> imshow(myima)
>
> then it works and shows me the array with the axes partly outside the 
> window
> since the origin for the X axis is < 0
>
> However if I do:
>
> figure(1)
> axes([0,-0.1,0.8,0.8])
> myima = rand(50,50)
> imshow(myima)
>
> with this time the Y origin < 0:
>
> then I get a SEGMENTATION FAULT
>
> ??
> thanks for any help there...
>
> Eric
>
I reproduce this bug with GTK and TKagg.

With DEBUG = 1  I get this (may help):

axes([0,-0.1,0.8,0.8])
myima = rand(50,50)
In [5]: imshow(myima)

FigureCanvasGTKAgg.draw
Segmentation fault

Xavier