Hi!
There is a proposal to group together parts of a junction:
http://wiki.openstreetmap.org/wiki/Proposed_features/highway%3Djunction
A relation is total overkill for such a simple task.
regards,
Martin
2013/3/28 Vladimir Vyskocil <vladimir.vysko...@gmail.com>:
> 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
>>> t...@openstreetmap.org
>>> http://lists.openstreetmap.org/listinfo/talk
>>
>>
>>
>> --
>> Satoshi IIDA
>> mail: nyamp...@gmail.com
>> twitter: @nyampire
>>
>> _______________________________________________
>> talk mailing list
>> t...@openstreetmap.org
>> http://lists.openstreetmap.org/listinfo/talk
>
>
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