[GRASS-user] Remove island

[Hamish]

> After a vectorisation from a raster obtained by the r.los function, I
> get  polygon whom own some island inside them. I would like to remove
> this island? Here :http://yjacolin.gloobe.org/problem.htm, three
> pictures :
>  1/ what I expect to
>  2/ What I get
> 
> I obtain the first picture by using sql resquest (display only
> value=1).


[url broken, it's .html]


use v.extract list=1-99999  and/or  v.extract -d



Hamish