[Tagging] Power generation refinement: power plant model evolution

[fly]

On 17.04.2013 01:59, François Lacombe wrote:
> Hi,
> 
> 2013/4/14 François Lacombe <francois.lacombe at telecom-bretagne.eu
> <mailto:francois.lacombe at telecom-bretagne.eu>>
> 
>     It would be great to find out what are the "state of the art" in OSM
>     to make a better choice than "heads or tails" : *what is used for
>     airports, train stations, factories,... ?*
> 
> 
> Airports : http://wiki.openstreetmap.org/wiki/Tag:aeroway%3Daerodrome
> No relations (however often closed area).
> 
> Train stations : http://wiki.openstreetmap.org/wiki/Tag:railway%3Dstation
> No relations (however often single buildings which hold the whole
> station, sometimes node on railway).
> 
> Factories : http://wiki.openstreetmap.org/wiki/Proposed_features/industrial
> No relations recommended so far.
> 
> 
> So current version of generation refinement proposal seems to be
> consistent with large set of map features.
> If you have objection with that, please told me!
> 
> I would add in proposal that enclosed power plant may be mapped with
> multipolygon relation in case of complex perimeter as explained here :
> http://wiki.openstreetmap.org/wiki/Relation:multipolygon
> 
> Multipolygon should be used as soon as there are two or more distinct
> fenced perimeters.

Do not see any problem. If a simple area (multipolygon) is not enough
you can always use a site relation.

fly