[OSM-dev] Osmosis patch for filtering ways

Christoph Sommer openstreetmap at 2008.expires.deltadevelopment.de
Mon Mar 17 09:48:27 GMT 2008

Dear all,

I recently needed to filter OSM data to only include motorways and trunk
roads. Finding no easy way to achieve that in a batch run, I extended
Osmosis to be able to filter ways and nodes to achieve this. Maybe the
patch is of use to someone: 

Osmosis can then be run like this: 
java -jar osmosis.jar --read-xml file="input.osm" --way-key-value
--used-node --write-xml file="output.osm" 

It will filter ways to only output those with given key.value combinations,
then discard unused nodes. 



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