[OSM-dev] Osmosis patch for filtering ways

Brett Henderson brett at bretth.com
Wed Mar 26 10:48:40 GMT 2008

Hi Christoph,

Thanks for the patch.  I haven't had a chance to look at it yet but I 
will get to it eventually.


Christoph Sommer wrote:
> 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: 
> <http://www.deltadevelopment.de/users/christoph/download/sommer-wayfilter01.patch>
> Osmosis can then be run like this: 
> java -jar osmosis.jar --read-xml file="input.osm" --way-key-value
> keyValueList="highway.motorway,highway.motorway_link,highway.trunk,highway.trunk_link"
> --used-node --write-xml file="output.osm" 
> It will filter ways to only output those with given key.value combinations,
> then discard unused nodes. 
> Regards, 
>   Christoph
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