Updating-the-planet---extracting-data.md

@@ -79,6 +79,8 @@ Ein Verzeichnis zum Path hinzufügen: https://unix.stackexchange.com/questions/2
 0m10
 
 ### osmconvert poly
+    time osmconvert switzerland-latest.osm.pbf -B=polygon.poly --out-pbf -o=osmconvert-out.pbf
+0m18
 
 ### mapsplit poly
     time ./mapsplit -v -Xmx1200M ../test/switzerland-latest.osm.pbf ../test/mapsplit-out.osm.pbf -p=../test/polygon.poly -s=12000000,800000,300000