> >   Wrong. The corners are located at
> >
> > P-U/2-V/2, P+U/2-V/2
> > P-U/2+V/2, P+U/2+V/2
> >
> > and the length of the sides is U and V.
>
> Thanks, this makes sense.  It was easier to see that P was the midpoint than
> to see exactly how far out the lights went.  Maybe the docs could explain
> this better in 3.5?  (Or maybe not, I don't know how much still has to be
> done...)
>
> ...Chambers
>
Hmmmm ... guess I always assumed that was how it was ...
but then Ben has an inquiring mind and wants to know ;)
Interesting ... glad you brought it up.
--
Y
wondering what else I don't know ;)

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