Hi Thorsten, please provide also the commands that you use to run splitter. I think you may get around the problem if you edit the areas.list created by splitter and use the modified version next time.
Gerd > Date: Sun, 22 Jan 2012 12:30:41 +0100 > From: [email protected] > To: [email protected] > Subject: [mkgmap-dev] mkgmap memory problem with big, nearly empty tiles > > > Hi, > > with my try to build a map for the whole US I run into the next > problem: some of the US is on the other side of the 180 longitude. > > As result, splitter will create a really huge tile with nearly > no data. mkgmap with --index --gmapsupp needs a really huge amount > of memory for this (8 GB) and then prints: > > "There is not enough room in a single garmin map for all the input data > The .osm file should be split into smaller pieces first." > > The bbox is really big: > <bounds minlat='-0.65' minlon='-38.9' maxlat='71.851' maxlon='180.0'/> > > The data is only in a very small area of that tile. If I adjust the > bounds area, I can build the tile without problems. > > Beside patching the tile after evey split, is there any way to > better split the extract with tilesplitter? > > And why does mkgmap need so much memory for this tile? Is there > any way to improve the mkgmap algorithm to work with this tile? > > I'm using mkgmap-r2169 and the command line is: > env MKGMAP_MEM=8000M mkgmap --style-file=style --country-name=usa > --country-abbr=US --family-name=TK-OSM-US --area-name=US --latin1 > --license-file=TK-USA-Basemap_license.txt > '--copyright-message=OpenStreetMap.org contributors. See: > http://wiki.openstreetmap.org/index.php/Attribution. TK-USA-Basemap based on > data from 2012-01-20.' --series-name=TK-USA-Basemap --bounds=bounds > --location-autofill=bounds,nearest,is_in --add-pois-to-areas > --reduce-point-density-polygon=8 --min-size-polygon=8 > --make-opposite-cycleways --remove-short-arcs --adjust-turn-headings --route > --net --generate-sea=extend-sea-sectors > '--pois-to-areas-placement=entrance=main;entrance=yes;building=entrance;barrier=entrance' > --index -c mkgmap.cfg --gmapsupp --input-file=verybigbb.osm > --description=TK-USA-Basemap > > The sources can be found at: http://osm.thkukuk.de/tmp/bbox.tar.gz > > Thanks, > Thorsten > -- > Thorsten Kukuk, Project Manager/Release Manager SLES > SUSE LINUX Products GmbH, Maxfeldstr. 5, D-90409 Nuernberg > GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB 16746 (AG Nürnberg) > _______________________________________________ > mkgmap-dev mailing list > [email protected] > http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
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