Andrew, thanks.
I guess I've been relying on others who compile and export data into shapefiles - but maybe now I'll have to dig in and figure out how to convert OSM to shapefile myself, in order to capture all the tags I want... andrew On 12/12/11, Andrew Errington <[email protected]> wrote: > On Mon, December 12, 2011 14:28, Andrew Salzberg wrote: >> Hi, >> >> >> I'm wondering if there is a standard attribute for heights for >> building footprints in OSM - it seems like there's some conversation about >> this. Geofabrik does a great job of exporting OSM as shapefiles which I >> have made use of, but the building footprint layer does not include height >> - eg # stories of floors - which could then e easily >> extruded for analysis. Is that because such features don't exist in OSM >> right now, or are not standardized? These bulding heights would be a huge >> help and obviously very useful. >> >> any guidance appreciated! >> > > height=* is probably your best bet: > > http://wiki.openstreetmap.org/wiki/Building_attributes > > Most people don't put the info in, since it is only visible to local > mappers. It's hard or impossible to derive from aerials or GPS traces. > > If you multiply the number of storeys (if present) by, say, 3 metres you > might get a reasonable approximation of height. > > Best wishes, > > Andrew > > > _______________________________________________ > newbies mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/newbies > _______________________________________________ newbies mailing list [email protected] http://lists.openstreetmap.org/listinfo/newbies
