Bryan Van de Ven a écrit :
>  Well, the y axis should probably be flipped to accurately correspond to 
>  the origin being in the upper left for starters.
Ok, yes, it does.
But what I wanted, is the not the y axis reversed permanently: I (the 
user) want to choose
to reverse it or not. Please look  at
  http://fredantispam.free.fr/chaco_img_inspect.png
in the axes menu, the checkbox untitled  "reversed y axis".

I want this feature because in my domain app, altitude z=0 is  sometimes 
at the top,
and y axis increase (in absolute value) towards the bottom.
But this is not always the case.
I hope I'm more clear on this point.

I'll answer the remainder of your post asap, I have to go now.

Cheers,

-- 
http://scipy.org/FredericPetit

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