[OSM-talk] [Fwd: Re: zones for motorway/in town/outof town?]

[Guenther Meyer]

Am Wednesday 20 May 2009 schrieb Andy Allan:
> On Wed, May 20, 2009 at 2:26 PM,  <marcus.wolschon at googlemail.com> wrote:
> > On Wed, 20 May 2009 14:04:36 +0100, Radomir Cernoch
> >
> > <radomir.cernoch at gmail.com> wrote:
> >> MP píše v St 20. 05. 2009 v 14:16 +0200:
> >>> I wonder, can we have at some place (wiki?) some definition file that
> >>> will specify these per-country default limits in some machine-readable
> >>> way?
> >>
> >> Yes, surely! My personal idea of "best solution" is to use the Semantic
> >> wiki, because it provides both machine-readable and human-readable
> >> format in one place.
> >
> > Agreed. This sounds like a very good idea.
>
> I think it sounds like a terrible idea.
>
> A) We have a geo-database for geographic information
> B) We have a wiki for project-support information
>
> Why would this particular geo-data not live in the Geodatabase?
>
> Let's take the very first bit of the example:
>
> country(cz) {
>
> How can I tell if a particular way is in the country "cz"? Maybe I
> need a lookup table that gives me a list of coordinates to specificy
> the boundary of that country. Should this be in the wiki too? Do we
> have somewhere better for storing lists of coordinates?
>
one way would be, to check if the way is inside the cz-polygon.
the other way, which I think fits more into the osm style would be an 
inclusion of the country.
for an ordinary rural street something like
   zone:traffic = CZ:out_of_town
for example...



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