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Hi Eric, you have to add -B=great_britain.poly to your options. See http://download.geofabrik.de/clipbounds/ else osmupdate will add all changes that were made to the whole planet. Probably, you also need something like --complete-ways --complete-ways to avoid broken ways in your updated file. These parms are passed to osmconvert. See also http://wiki.openstreetmap.org/wiki/Osmupdate Ciao, Gerd
Date: Thu, 17 Jan 2013 15:06:50 +0000 From: zeb@zebulon.org.uk To: mkgmap-dev@lists.mkgmap.org.uk Subject: Re: [mkgmap-dev] Map size increase using osmupdate vs download
2013/1/17 Gerd Petermann <gpetermann_muenchen@hotmail.com>:
Hi Eric,
what options do you use to update your map? If you download eg. germany.osm.pbf and later execute osmupdate.exe without a germany.poly you add all changes of planet to your osm file.
Does that help? Gerd
Hi Gerd,
Yes, I used: ./osmupdate -v great_britain_previous.o5m great_britain.o5m as well as: ./osmupdate -v great_britain_previous.osm.pbf great_britain.osm.pbf
The problem is, if I update a one-day old map (downloaded from Geofabrik), the size of the new, updated map is significantly higher than the same map from Geofabrik the day after. Tomorrow I'll try some tests with today's great britain map to demonstrate this.
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