I tried it again, and now it works like charm with numpy arrays. I do not understand why it did not work before, but it works now, it's all that matters :)
But 3D is another problem...


2007/3/14, Eric Firing <efiring@hawaii.edu>:
Matthieu Brucher wrote:
>     What version of mpl are you using?
> The latest, I compiled it from the source as FC5 has a very old version
> - can't update myself the distribution -
>     In recent versions, the collections should accept 2D numpy arrays as
>     well as any sequence of tuples (and several other possibilities).
> For 2D plots, numpy arrays is accepted - but not for colors, it tells me
> there is a problem with tuples, I do not remember exactly, but I can
> check the error tomorrow -.


Did you come up with a minimal example of this?  If so, please send it
to me directly. I would like to follow up on it.