Generate-sea does not work for me on Southern Africa. I use: 1)JRE 1.6 2)Source file GeoFabrik Africa 2009-09-04 extract with Southern Africa extracted from that with splitter 3)Splitter options: java -Xmx900m -jar splitter.jar^ GeoAfr.osm.bz2^ --mapid=11090906^ --max-nodes=3000000^ --overlap=0^ (also tried with default) --split-file=SuiderAfr.list 4)SplitFile # List of areas 11090906: -1644587,605843 to -885464,1677722# : -35.289,12.99998 to -19,36 5)MakeIt java -ea -Xmx1300M -jar Latest\mkgmap.jar^ (r1210) --name-tag-list=name:af,name^ --route^ --remove-short-arcs^ --road-name-pois^ --tdbfile^ --style-file=MyStyle^ --description=11090906SdAf^ --product-id=0906^ --overview-mapname=12090906^ --mapname=11090906^ --family-name=GeoSAfr0906^ --series-name=11090906^ --generate-sea^ --ignore-osm-bounds^ (also tried without) --gmapsupp^ 11090906.osm.gz Groete BennieD ##################################################################################### Scanned by MailMarshal - Marshal's comprehensive email content security solution. Download a free evaluation of MailMarshal at www.marshal.com #####################################################################################