Okay, I’ve adapted the proposal wiki page. We can propose to tag complex traffic signal areas _only_ using the area, and not to tag the individual traffic signals. That makes it easier for renderers to display only one icon per traffic signal area. However, I feel we should not completly exclude for all time the possibility to tag also the individual traffic signals – it is at least a valid information, even if it is not necessary for traditional japanese maps. The individual traffic signals are simple nodes that are located within the area. We would not make it a rule, but just recommand to _not_ tag the individual traffic signals for Japan.
As described in the proposal, the area is simply drawn around the approximative area that is affected by the traffic signals. It encloses everything, but shares nodes only with the incoming and outgoing highways. Lukas Sommer 2014-09-20 16:45 GMT+00:00 fly <lowfligh...@googlemail.com>: > Am 20.09.2014 02:03, schrieb johnw: > > So the solution for a complex intersection is to have a signal_area area > > with an outline that intersects with all the nodes where the signal > > would affect the traffic? This would let the renderer use one icon, and > > still have the ways marked in the proper spot for the intersection, > > right? (assuming they will support signal_area). > > Not sure if the single traffic_signals node need to be parent of the > area but they should be at least within the area as a hint for the > renderer. > > Thanks for considering some extra tag(-combinations) for the area. > > cu fly > > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging >
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