Re: [OSM-talk] layers in OSM?

[Ed Avis]

Niklas Cholmkvist  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 


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Re: [OSM-talk] layers in OSM?

[Niklas Cholmkvist]

Hi,

> But if the community at large has decided against layers in the
> past I'm interested to hear why.
Personally I've not decided anything. My opinions may change over time
with new arguments and as I learn new information.
One thing I wonder though. 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'? (let's
assume someone wanted to see a municipal area but didn't want to see the
trees, which didn't matter to that specific mapper)
I'm reading here right now http://wiki.openstreetmap.org/wiki/API_v0.6
to see if this is possible. (I might need to read other sections as well
depending on what I learn)

Regards,

Niklas 
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