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There are two questions of geonames of openstreetmap: 1. Does there have any instruction documents of osm files?
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You should start to learn basics of OSM first: See http://wiki.openstreetmap.org/wiki/Elements and then http://wiki.openstreetmap.org/wiki/Key:place Finally you can do some filtering, cutting, cropping and exporting of raw OSM data. Please do some research on this help site and the OSM wiki first ... all those tasks are mentioned here already. |
I'm afraid your question doesn't make much sense. What do you want instructions for? And what do you mean by "geonames of openstreetmap"?
We actually want to get the placename dataset from osm files.
I think a reasonable answer would be based on using csv output with Overpass. I presume the OP desires a file similar to the GNIS data. Geonames is a known aggregator of various geodata http://www.geonames.org/.