> > But at present I am pretty sure that map rendering can’t use > “direction=forward | backward”. It can (and my rendering does) use the > compass points and/or degrees values for rotating icons in the point > symbolizer.
As you can see Kendzi3D plug-in [1] and a style for JOSM [2] do it with forward/backward keys.Others do too. Salut i mapes (Health and maps) yopaseopor [1] http://imgur.com/RFVKLGZ [2] http://imgur.com/9tCwVBT On Fri, Mar 17, 2017 at 11:24 PM, Tod Fitch <t...@fitchdesign.com> wrote: > If micro mapping, then the stop sign is usually not in the center of the > traveled way (though I have occasionally seen some there). For micro > mapping, place a node for the sign where it exists on the side of the road > and then use the compass direction to indicate how it is facing. As it is > detached from the highway way forward and backward can have no meaning. > > The “highway=stop | give_way” tag on a node on way might be used by map > rendering, which probably doesn’t care if it has forward or backward > tagging. I’ve been using Mapnik XML for rendering my maps and I don’t > recall the ability to detect the direction of a way. Or even if something > that is being rendered by the point symbolizer can tell if the point is on > a way. I could be wrong on that. And even if wrong, maybe some rendering > tool chain will support that in the future. But at present I am pretty sure > that map rendering can’t use “direction=forward | backward”. It can (and my > rendering does) use the compass points and/or degrees values for rotating > icons in the point symbolizer. > > I strongly suspect that tagging the stop/give way sign in the middle of > the way is for the use of routing and route guidance. It might still be of > use by guidance (though I am not sure the “direction=forward | backward” > matters much in that case) but what I am hearing is that as > implemented/specified now it is not useful for routing. Thus my comment > about noise. > > I have been following the tagging suggested on the wiki [1] and checking > the direction of the way in order to determine the value to put on the > direction tag is tedious. If it is not being used, I might well forgo the > direction tag. Fortunately the same wiki page states direction is only > needed if the signs are closely spaced and it is not obvious which > intersection/direction the sign is for, so the direction tag in that case > is almost always optional per my interpretation of the wiki. > > Cheers! > > [1] https://wiki.openstreetmap.org/wiki/Tag:highway%3Dstop# > Tagging_minor_road_stops > > > On Mar 17, 2017, at 2:47 PM, yo paseopor <yopaseo...@gmail.com> wrote: > > > > I don't agree with this: marking the direction of the traffic sign is > not noise, for a driver can be VITAL, also with the meaning of the traffic > sign (the main purpose of a traffic sign). > > Why? Because in a way with two directions we need to know to what > direction traffic sign it is for. It is not the same a road cross with an > STOP forward than backward (with micromapping it is not the same one lamp > than two) > > Put a key like direction is not the best option, because this > information can be inside the key itself like traffic_sign:forward or > traffic_sign:backward. > > Also it is a good thing to say of what side of the way the traffic sign > is. > > In some countries traffic sign of a side is not the same as the other > side specially in streets in a city. > > e.g. > > > > traffic_sign:forward=ES:R2 > > highway=stop > > side=right > > > > Ok, OSMR do not use that...but other tools uses this information so it > is important to keep it at the data. > > In a short-term, people like Mapillary or OSC will give us the > opportunity (and the data) to map all the traffic signs in a way. Routers > and navigation apps should be prepared for that. OSM is nowadays capable of > show all this information. Don't make it disappear. > > > > Salut i mapes (Health and maps) > > yopaseopor > > > > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging > >
_______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging
