Robin Paulson wrote: > On 13/02/2008, Fire Girl <[EMAIL PROTECTED]> wrote: > >> Thank you so much Shaun! May I ask,.... what is most straightforward >> procedure to delineate the planet.osm file, to specified regions.... let's >> say New York or the United States for starters? :) I am most interested in >> that approach, that isn't too convoluted or difficult per-se, and produces >> clean data :) >> > > osmxapi is a useful tool for downloading the data for a pre-defined > area only. it is defined by a square bounding box, using lat/lon > coordinates, or by element types (hospital, roads, rivers, etc.) > > the area in question is generated as a .osm file, on the fly > > http://wiki.openstreetmap.org/index.php/Osmxapi > > country specific pages on the wiki may detail the bounding boxes > necessary for certain arbitrary pre-defined areas. for instance for > nz, there is one listed on the nz wiki page: > > http://wiki.openstreetmap.org/index.php/WikiProject_New_Zealand#new_zealand.osm > > have a look at the projects category page for the area you want, they > may have details > > http://wiki.openstreetmap.org/index.php/Category:Projects > Another option for slicing and dicing planet files is the command line osmosis tool. It can extract boxes and polygons from a planet file. http://wiki.openstreetmap.org/index.php/Osmosis
It also has the ability to update a planet file based on changesets available with daily, hourly and minute intervals which is useful if you want up-to-date data. http://planet.openstreetmap.org/daily/ http://planet.openstreetmap.org/hourly/ http://planet.openstreetmap.org/hourly/ _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/dev
