[GRASS-user] eliminate some lines
Hamish
hamish_nospam at yahoo.com
Thu Nov 2 18:34:35 EST 2006
Moritz Lennert wrote:
> > When I looked at v.to.db, I thought whether I could calculate
> > the "length of a polygon" as well.
>
> Depends on the polygon. If it defined as a boundary, then try setting
> type=boundary and option=length
>
> If it is an area then type=area and option=perimeter
note "v.clean tool=rmarea thresh=.. " is prefered for removing small
areas, as polygon boundary length is a fractal problem.
Hamish
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