On 20/01/14 18:22, Florian Rathgeber wrote:
>
> Would it make sense to support embedded intervals in 2D?
>
> —
> Reply to this email directly or view it on GitHub 
> <https://github.com/firedrakeproject/firedrake/pull/115/files#r9013371>.
>
It makes sense mathematically, although there easier ways to do it by 
explicit change of coordinates. It's only for surfaces embedded in 3D 
that the change of coordinates gets too hairy.

--cjc