CGAL users discussion list

Andreas Fabri wrote:
>  wrote:
>
> > what is the ifference between x and hx in Point_2? I mean if my point 
> > is Point_2 p(2, 4.5)
> >
> > what are the values:
> > p.x(), p.y(), p.hx(), p.hy(), p.w()??
> >
> > Thanks,
>
>
>
> For Point_2<Cartesian>  x and hx are the same, the same for y and hy,
> and hw  equals always 1.
>
>
> For Point_2<Homogeneous>  applied to your example gives
>
> hx = 4
> hy = 9
> hw = 9

Andreas meant
hx = 4
hy = 9
hw = 2

> and x  = hx/hw
>     y  = hy/hw
>
> andreas