On Fri, Jun 21, 2019 at 2:19 PM Stefan Blumentrath < [email protected]> wrote: > > Ah, OK. Got that wrong, sorry. > > I don`t think holes have an area (but I may be wrong).... > So you might have to add a centroid first? > https://grass.osgeo.org/grass76/manuals/v.centroids.html
No, v.clean tool=rmarea also removes holes inside areas, at least it should. It would be a bug if holes smaller than threshold are not removed. Markus M > > Cheers > Stefan > > -----Original Message----- > From: grass-user <[email protected]> On Behalf Of Robert Nuske > Sent: fredag 21. juni 2019 13:49 > To: grass-user <[email protected]> > Subject: [GRASS-user] Fwd: Re: remove small islands from vector areas > > > > > -------- Weitergeleitete Nachricht -------- > Betreff: Re: [GRASS-user] remove small islands from vector areas > Datum: Fri, 21 Jun 2019 13:47:52 +0200 > Von: Robert Nuske <[email protected]> > An: Stefan Blumentrath <[email protected]> > > Hi Stefan, > > as far as I understood does rmarea that remove small areas but not islands (holes) within areas. At least i didn't find a way to remove islands with v.clean. > > thanks > robert > > Am 21.06.19 um 13:06 schrieb Stefan Blumentrath: > > Hi Robert, > > > > Did you have a look at v.clean: > > https://grass.osgeo.org/grass77/manuals/v.clean.html > > with > > tool=rmarea > > > > > Cheers > > Stefan > > > > -----Original Message----- > > From: grass-user <[email protected]> On Behalf Of > > Robert Nuske > > Sent: fredag 21. juni 2019 12:33 > > To: grass-user <[email protected]> > > Subject: [GRASS-user] remove small islands from vector areas > > > > Dear Listers, > > > > sorry, it's me again. > > > > I want to remove islands smaller than a certain threshold from my vector map or if that is not possible all islands. > > > > I found some trick on an old manual page of v.extract. But this does not work anymore. Is there a new trick? > > > > > > thnaks > > robert > > _______________________________________________ > > grass-user mailing list > > [email protected] > > https://lists.osgeo.org/mailman/listinfo/grass-user > > > > _______________________________________________ > grass-user mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/grass-user > _______________________________________________ > grass-user mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/grass-user
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