Hello all,
I've developed a python script for exporting from ArcGIS directly to the .OSM file format used by JOSM. The script is available here: http://users.rowan.edu/~reiser/osm/ The script also does the following: * Preserves topology. Polygons or lines that share vertices will become ways that share nodes. Efforts have been made to reduce the amount of duplicate nodes exported. * Creates multipolygon relations for multipart polygons (both internal ring and external part polygons). * Reprojects to WGS84 automatically. * Exports attribute data as keys. Only fields prefixed with "_" or "osm_" are exported. The script can be added to ArcToolbox, allowing ArcGIS users a quick way to export data to OSM. I'm hoping this will encourage small towns or institutions (like Rowan, also exported to OSM, here: http://osm.org/go/ZciXY0SlF-) to contribute to OSM. I used this script to export the land use/land cover data for the State of New Jersey, which has since been uploaded to OpenStreetMap (http://osm.org/go/Zcmube--). I hope this will encourage contributions from smaller-scale stakeholders, like myself. (I intend to keep Rowan up-to-date on OSM, as we may use the platform for on-campus mapping projects in the future.) The code has been released under a CC by-sa-nc license. I'd appreciate any changes or bug fixes to the code, as well as any comments, questions or complaints. -John John Reiser GIS Support Specialist Rowan University 201 Mullica Hill Road Glassboro, NJ 08028 web: http://users.rowan.edu/~reiser/ <http://users.rowan.edu/~reiser/>
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