On Sun, Aug 8, 2010 at 5:16 AM, Colin Barrett <barrettcolin@gmail.com> wrote:

Subtract -1 and 1 respectively and you get a constant offset of -1/vpw. This is essentially the same thing that Jon said already, except I'm working in post projection space so my offset is double his ( at least, I hope that's why :-) ).


That's exactly right!

Sincerely,

jw

--
Americans might object: there is no way we would sacrifice our living standards for the benefit of people in the rest of the world. Nevertheless, whether we get there willingly or not, we shall soon have lower consumption rates, because our present rates are unsustainable.