2010/1/11 Ævar Arnfjörð Bjarmason <[email protected]> > ourFootPrints.de > (http://www.ourfootprints.de/gps/mapsource-island_e.html) is an effort > started in 2004 to create a free of change Garmin map of Iceland, for > the past year I've been in contact with Thomas Ransberger who runs the > project about getting his data into OpenStreetMap since we share > similar goals. > > A few days ago Thomas provided me with GPX traces & a dump of the road > data on his map to start with. That's 22MB of GPX traces and a 29MB > .osm file (the whole of Iceland.osm is around 67MB by comparison). > I've already imported the GPX data under a dedicated user account with > the .osm data to follow soon. > > The import user: > http://www.openstreetmap.org/user/ourFootPrints%20import/traces > The raw data: http://github.com/avar/ourfootprints-data > Import scripts / documentation: > http://github.com/avar/ourfootprints-import > > Here's the 29MB .osm file which is approximately what I'll be > importing, after I've fixed up the source tags / highway tags etc.: > > !! DO NOT UPLOAD THIS > http://v.nix.is/~avar/noindex/ourfootprints/ofp.osm.bz2<http://v.nix.is/%7Eavar/noindex/ourfootprints/ofp.osm.bz2>!! > > The plan is basically to upload that as-is except change the tags to > be e.g. ourfootprints:highway=residential instead of > highway=residential. That way a lot of duplicate data will be added to > the database temporarily until we manually review & sort it out by > either deleting it, merging it in to have highway=residential. Most of > the data users like the renderers, mkgmap etc. won't notice since the > roads will use previously unused tags. >
Hello, Someone in the French community recently used some basic SQL command with Postgis to eliminate obvious merge problem. It worked better than we expected. Maybe you would be interested. http://wiki.openstreetmap.org/wiki/BMO contains most of the information about how the differential import was done. Emilie Laffray
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