Thanks to you, i'm using osmosis to extract data from OSM. But i'm new to osmosis and i got some (little) troubles.
Data i extract (based on tag filtering) are not complete (as they were with XAPI i used before). For example when i run : ./osmosis --rb "france.osm.pbf" --tf accept-nodes \ "man_made=surveillance" --tf accept-ways "man_made=surveillance" \ --tf accept-relations "man_made=surveillance" --wx fr_surveillance.xml I got all nodes, ways and relations with "man_made=surveillance" but for ways or relation i do not have they corresponding nodes. For exemple i got a way tagged "man_made=surveillance" associated with its list of nodes, but those nodes are not in the output file so i'm not able to process them (i just want to compute the barycenter so i can put an icon on my final map fr the way/relation). What i need is nodes, ways and relations with the tag (OK) but also complete (nodes and ways associated to made a complete data set). Another exeample if i run : ./osmosis --rb "france.osm.pbf" --tf accept-nodes \ "man_made=surveillance" --wx fr_surveillance.xml i got a huge XML file : 10 GB ! (glups) : probably too big to be process. Adding the option --un (used nodes) made osmosis to fails (out of memory, i run java with -Xmx1024m option) I do not really understand how osmosis really works... and how to use it... Looking at many example, i seems i have to run seval osmosis request (but i do not really understand which) and finally merge results. I continue experiences but i seems tricky to used osmosis... Note : i used osmosis 0.39 on MacOS X 10.6 The data (france.osm.pbf) came from geofabrick. -- Pierre-Alain Dorange OSM experiences : <http://www.leretourdelautruche.com/map/> _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/listinfo/dev
