Re: Proposal for new Physics Vector classes in ROOT

Hi Lorenzo,

Lorenzo Moneta <Lorenzo.Moneta_at_cern.ch> writes:

> XYZPoint p1;
> Polar3DPoint p2;
>
> XYZVector v = p1 - p2;
> double distance = v1.r();

Maybe it is a stupid question, but why do you differentiate between a point vector and a difference vector? A vector is a vector, no?

Regards,
-Brett. Received on Tue Jun 07 2005 - 16:12:05 MEST