[Tagging] landcover=trees definition
bsd at volki.at
Sat Aug 15 22:59:23 UTC 2015
On 10.08.2015 12:29, Jean-Marc Liotier wrote:
> A pity - I just happen to have a problem that this proposal would solve...
> Take a look at this charming corner of Normandy: http://binged.it/1ht3p7v
> On the left, a dense urban location that is clearly landuse=residential. On
> the right, what is most definitely landuse=meadow. So what about the center
> ? We see residential buildings among a predominantly grass cover.
What exact area are you referring to? If it's about lawns within residential
areas, you can nest landuse objects (i.e. a landuse=grass within a
landuse=residential). If it's about houses surrounded by large meadows, you
can us multipolygons to except the houses from the meadows. In any case,
every single spot in that region has at least one use, so you'll be able to
assign a proper landuse=* tag.
> To me, it seems that mapping this area as a combination of
> landuse=residential and landcover=grass would be most fitting.
landcover=grass does not fit, because the lawns do not only consist of
grass, but also of dicotyledons, insects, mosses, algae, fungi, etc. The
landuse may be grass, but the landcover isn't just grass. Not to mention the
buildings, roads, footpaths, parked cars etc.
> I have
> thought about using the landuse=residential + natural=grass combination
> instead, but those lawns do not strike me as natural.
Therefore it's landuse=grass.
Friedrich K. Volkmann http://www.volki.at/
Adr.: Davidgasse 76-80/14/10, 1100 Wien, Austria
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