Hi Nick, I think mkgmp can write a lot of messages for wrong multipolygons into the log. You have to activate logging to see them. Gerd ________________________________ Von: mkgmap-dev <mkgmap-dev-bounces@lists.mkgmap.org.uk> im Auftrag von nwillink <osm@pinns.co.uk> Gesendet: Montag, 1. August 2016 13:26:52 An: mkgmap-dev@lists.mkgmap.org.uk Betreff: Re: [mkgmap-dev] inner sections of a multipolygon Thanks Thomas for your detailed reply. Would be very useful to have such polygons reported. Nick -- View this message in context: http://gis.19327.n5.nabble.com/inner-sections-of-a-multipolygon-tp5879576p58... Sent from the Mkgmap Development mailing list archive at Nabble.com. _______________________________________________ mkgmap-dev mailing list mkgmap-dev@lists.mkgmap.org.uk http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev