Am 18.09.2014 21:29, schrieb fly: > Am 18.09.2014 16:07, schrieb Lukas Sommer: >> >> >> So far, highway=traffic_signal is only defined for nodes and there are >> only few ways and fewer relations. >> >> >> Correct. >> >> >> >> Also in favour of separation I would prefer to use junction=* with >> name=* and only highway=traffic_signal with name if it is only a single >> light (e.g. the case with a named junction and different separate names >> for the lights) >> >> This way we could add an additional junction=* to the nodes with named >> traffic_signal and once all lights are tagged separately only use >> junction=* for ways. >> Additionally we have a better hint for the renderer what to render and >> diversify between a named junction and single named traffic_signals. >> >> cu fly >> > > Sorry, was kind of confusing, try again: > > 1. simple solution with only one node > junction=yes/traffic_signal/* > highway=traffic_signal (if the junction has lights) > name=* > > 2. area > junction=yes/traffic_signal/* > name=* > > > Maybe also highway=junction [1] could be used. > > Renderer could use junction=* to determine the needed icon and we stay > consistant with the use of traffic_signals. > > This makes detailed tagging possible while adding the information for > renderers to > >> Hm, I am not sure if I understand you correctly. You want to use >> junction=yes not on nodes anymore, but only on areas – and change the >> currently existing cases in OSM? > > No, no problem with junction=* on nodes but in long term only needed for > rare situations and low detailed mapping > >> If so, I would disagree here. We have a yet existing tagging that works >> well for both – named junctions and names traffic signals – as long as >> this are simple junctions like >> https://wiki.openstreetmap.org/wiki/File:Junction_yes_example_1.png My >> proposal keeps the existing tagging for simple junctions – and extends >> it also to complex junctions. I am not convinced in changing the current >> tagging practice for simple junctions and require changing a lot of yet >> existing data in OSM. Currently I do not know of any situation where we >> have at the same place on the ground a different junction name and a >> different traffic signal name. It seems to me a barely theoretical >> problem. Maybe that does not mean that such a situation is impossible to >> exist. However, we should create our tagging scheme starting from the >> situation on the ground, and this seems to be either junction names or >> traffic signal names, but not both things at the same time. Replace an >> existing simple practice with a new complicate practice just to solve a >> problem that does probably not exist on the ground? > > Well, I just followed this thread: > >>>> Am 16.09.2014 16:49, schrieb Satoshi IIDA: >>>>> 2014-09-16 23:38 GMT+09:00 fly <lowfligh...@googlemail.com>: >>>>>> The name belongs to the junction and not to the traffic_signal, >>>>>> am I wrong ? >>>>> In Japan, Hokkaido region, there is 4 traffic_signals on 1 >>>>> junction. >>>>> Each traffic_signals and 1 junction has different name. >>>>> >>>>> Indeed it is rare case. >>>>> But I think we need Lukas's idea to support it. > >> However, I think it is nevertheless a good idea to think about this >> case. I would propose to leave the existing tagging for simple >> intersections as it is (with tagging on a node). Moreover, for the rare >> case that we have a junction and a traffic signal with different names, >> one of them could be represented by an area around the other one (and >> same thing on complex junctions/traffic signal systems). Thus, we keep a >> door open to tag two different names, just for the case that sometime we >> really need it. Nevertheless, we do not break compatibility with the >> current practice, and we do not make things unnecessarily complicate for >> the real-world cases. > > Ok, here we are common. > > Hope my thoughts are better understandable this time. > > Cheers fly >
forgot the link [1] https://wiki.openstreetmap.org/wiki/Proposed_features/highway=junction _______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging
