Vladimir Vyskocil <vladimir.vysko...@gmail.com> wrote:

> I think it's time to switch to the tagging list !
> 
> The tagging scheme that seems preferred in this discussion is the
> following :
> 
> - simple named junctions : use junction=yes and name=*
> - complex named junctions with several lanes crossing a different
> points :
>       two propositions : 
>               - use a relation { type=junction, name=*,  junction role,...}
> referencing all the crossing points between the lanes
>               - use a place { tag=junction or crossroads, name=* } on a area
> englobing the crossing points
> 
> All right ? What are your opinions on this ?
> 
> Vlad.
> 
> 
> On 27 mars 2013, at 00:22, Satoshi IIDA <nyamp...@gmail.com> wrote:
> 
> >> highway=traffic_signals + name=* are now also visible:
> > Great!
> > 
> >> traffic_lights on complex crossroads
> >> Area or Relation
> > I prefer to use relation.
> > I'm afraid of effects to routing topology when signals or
> roundabouts
> > are written as an area.
> > 
> > As theory, the names of Japanese traffic signals are given to each
> > signals, not to a junction.
> > (and basically, the signals on a same junction has same names)
> > 
> > 
> > 
> > 2013/3/27 Christian Quest <cqu...@openstreetmap.fr>:
> >> highway=traffic_signals + name=* are now also visible:
> >> http://tile.openstreetmap.fr/?lon=139.71686&lat=35.61534&zoom=18
> >> 
> >> You'll see that adding names to traffic_lights on complex
> crossroads
> >> causes the same name to be rendered multiple times in some places:
> >> http://tile.openstreetmap.fr/?lon=139.71825&lat=35.61857&zoom=18
> >> 
> >> A better tagging scheme seems necessary as one "thing" should be in
> >> the database just once.
> >> 
> >> If we could avoid relations and use either the junction=yes or a
> >> place=junction/crossroad (place name are usually meant to be
> rendered
> >> that's why I'm thinking about it).
> >> 
> >> Think also about Nominatim... place=* makes more sense for that
> purpose.
> >> 
> >> 
> >> 2013/3/25 Vladimir Vyskocil <vladimir.vysko...@gmail.com>:
> >>> 
> >>> And there are more than 7000 nodes with highway=traffic_signals
> and name=*
> >>> in Tokyo and its suburbs !
> >>> Another country, another solution for the same tagging "problem".
> >>> 
> >>> Vlad.
> >> 
> >> --
> >> Christian Quest - OpenStreetMap France
> >> Synthèse du Week-end "SOTM-FR" à Lyon :
> http://openstreetmap.fr/synthese-sotmfr
> >> 
> >> _______________________________________________
> >> talk mailing list
> >> talk@openstreetmap.org
> >> http://lists.openstreetmap.org/listinfo/talk
> > 
> > 
> > 
> > -- 
> > Satoshi IIDA
> > mail: nyamp...@gmail.com
> > twitter: @nyampire
> > 
> > _______________________________________________
> > talk mailing list
> > talk@openstreetmap.org
> > http://lists.openstreetmap.org/listinfo/talk
> 
> 
> _______________________________________________
> talk mailing list
> talk@openstreetmap.org
> http://lists.openstreetmap.org/listinfo/talk

Moving this discussion to the tagging list sounds reasonable.
-- 
John F. Eldredge -- j...@jfeldredge.com
"Reserve your right to think, for it is better to think wrongly than not to 
think at all." -- Hypatia of Alexandria

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