[GRASSLIST:9839] Re: v.extract area with holes but without islands

Wolf Bergenheim wolf+grass at bergenheim.net
Sun Jan 15 05:49:27 EST 2006


Hi,

Roger if you export the shape to a shapefile with v.out.ogr then if you
use the -c flag it will only export features with categories (i.e.
centroids, not the islands).

--Wolf

On 14/01/06 14:37, Roger Bivand wrote:
> On Sat, 14 Jan 2006, ivan marchesini wrote:
> 
> 
> But not if the vector is written out (for example as a shapefile of
> type=area) and read into other software, in my case into R. But with 
> subsetting in R, it's easy to fix there, I just need to remember to find 
> the shape with the holes.
> 



-- 

<:3 )---- Wolf Bergenheim ----( 8:>




More information about the grass-user mailing list