> Nevertheless, I'd point that the expression:
>
> |(x − Xi )| + |(y − Yi )| ≤ dist
>
> actually defines a circle, not a diamond (this is obvious when dist
> is, say, larger than 5).
Luis, the equation for a circle is:
(x-Xi)^2 + (y-Yi)^2 <= dist^2
I believe the diamond equation is correct.
> On a further release of the manual some illustration of these
> different types of neighbourhoods, with different dist values could be
> helpful.
