Hi Eric, yes, I think so. You may contact Markus Weber,the author of osmupdate and osmconvert: [email protected] Maybe he can change osmupdate so that it uses the bounding box of the original file to clip the data by default.
Ciao, Gerd > Date: Thu, 17 Jan 2013 15:24:59 +0000 > From: [email protected] > To: [email protected] > Subject: Re: [mkgmap-dev] Map size increase using osmupdate vs download > > Hi Gerd, > > Thanks a lot for the -B switch. I read the wiki page about osmupdate, > but did not understand exactly the use of it. Now it is clear! If I > understand well what you are saying, I was merging the GB map with > changes made in the whole world! Am I correct? > > Best, > Eric > > 2013/1/17 Gerd Petermann <[email protected]>: > > 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: [email protected] > >> To: [email protected] > >> Subject: Re: [mkgmap-dev] Map size increase using osmupdate vs download > > > >> > >> 2013/1/17 Gerd Petermann <[email protected]>: > >> > 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. > >> > >> Eric > >> _______________________________________________ > >> mkgmap-dev mailing list > >> [email protected] > >> http://lists.mkgmap.org.uk/mailman/listinfo/mkgmap-dev > > > > _______________________________________________ > > mkgmap-dev mailing list > > [email protected] > > http://lists.mkgmap.org.uk/mailman/listinfo/mkgmap-dev > _______________________________________________ > mkgmap-dev mailing list > [email protected] > http://lists.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
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