[OSM-talk] layers in OSM?

[Ed Avis]

Niklas Cholmkvist <towardsoss <at> gmail.com> writes:

>Is it possible for an openstreetmap editor in
>an example 'to make a request to openstreetmap and ask for all objects
>for an area except the objects that are tagged as natural=tree'?

I believe the XAPI supports uses similar to this, however I don't think it
currently supports 'except' or 'not' queries.  (According to the page below)

[[http://wiki.openstreetmap.org/wiki/Xapi]]

-- 
Ed Avis <eda at waniasset.com>