On Tue, Feb 23, 2010 at 8:05 AM, David Paleino <da...@debian.org> wrote:
>
>> Is this a solved problem, then? Any complaints with this approach
>> (cause it looks damn pretty on mapnik, at least...)
>
> I remember someone complaining with me that routers not supporting
> highway=* + area=yes in the same relation with a "normal" highway=*,
> might get confused -- and that something like "landuse=road" would be
> better.
> I don't know which of the two to choose though.

Hmm. I prefer highway=* + area=yes, as IMHO the area is an integral
feature of the road itself - not just a feature of the land on which
the road sits. You could argue either way, though.

As for routers getting confused, there are a couple of options:

1) the router can ignore all highway=* + area=yes areas (this also
rules out routing across open areas, but might be suitable for car
routers)
2) the router can ignore highway=* + area=yes areas IF there is also a
corresponding highway=* WAY. This requires a relation to indicate
which area "corresponds" to which way. I think type=area,
role=center/role=area would work [1]. Other tags describing the road
could then go on the relation, rather than the way and/or area.

[1] http://wiki.openstreetmap.org/wiki/Relations/Proposed/Area

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