Hi Äijälä, If you can do python, I'd recommend using OSM Conflator for importing. It can create a geojson file, that you upload to geojson.io to demonstrate what your import would change and create.
https://wiki.openstreetmap.org/wiki/OSM_Conflator Ilya _______________________________________________ Imports mailing list [email protected] https://lists.openstreetmap.org/listinfo/imports
