> But if I have the coordinates of the points in an array, I have to reshape it
> and then convert it into a list. Or convert it into a list and then convert it
> to a tuple. I know that advanced indexing is useful, but here it is not
> coherent. tuples and lists should have the same result on the array, or at
> least it should be documented.

I can't give you the reasons why that behaviour was chosen. But it's simply
wrong that it's not documented. Before answering you I read the corresponding
chapter in the numpy book to be sure not to tell you nonsense. So go ahead and
do so, too.