correction city block (2)

I wrote...

>It seems that the ED on a rectangular lattice is pretty much equivalent to
the >city block function on a triangular lattice, with some intervals being
>weighted by V2's and V3's.

Gee, that's not right. I was only thinking of cutting one unit cube at a
time. Still, Euclidean distance hasn't been mentioned in this thread.
What does anybody think?

C.