Missed the point when direction= suddenly became a no go for traffic sign mapping.
28.09.2018, в 3:51, Bryan Housel <bhou...@gmail.com> написал(а): > Hey Tagging List! > > While reviewing a pull request to add Traffic Sign presets to iD, I came > across a tagging issue with how traffic sign directions are tagged. > The details are here https://github.com/openstreetmap/iD/pull/5333 and > relevant guidance on the OSM wiki is quoted below: > >> Traffic sign as a separate node >> https://wiki.openstreetmap.org/wiki/Key:traffic_sign#As_a_separate_node >> Create a separate node beside the road at the position of the actual sign... >> You can use the `direction=*` tag to describe the facing orientation of the >> sign by using an angle or cardinal direction. > > ^ This is ok! iD supports `direction=*` and will even render a view cone at > higher zooms so mappers can see which direction it points. > >> Traffic sign along a way >> https://wiki.openstreetmap.org/wiki/Key:traffic_sign#As_part_of_a_way >> Create a new node within the relevant way next to the sign... You can use >> `traffic_sign:forward=*` to specify that this sign affects vehicles moving >> in the same direction as the OSM way. The opposite direction can be tagged >> with `traffic_sign:backward=*`. Formerly the `direction=*` key has also been >> used to describe the affected direction. But its common meaning has changed >> to Relative to Geographic North. > > ^ This is the problem. The wiki says we are supposed to do something like > `traffic_sign:forward=US:R1`, and we can't really do that. A preset needs to > be based on a "toplevel" tag like `traffic_sign=*` not > `traffic_sign:forward=*` or `traffic_sign:backward=*` (remember seamark? many > of their tags have this issue too, where they put a value in the key part, > and so we can’t turn it into a preset). > > So instead what we’ve decided to do is: Support a tag > `traffic_sign:direction` which works exactly the same as the existing and > well supported `traffic_signals:direction` > > See https://wiki.openstreetmap.org/wiki/Key:traffic_signals:direction > iD already has support for `traffic_signals:direction=forward/backward` > > To keep things simple, we'll do the same thing for traffic signs: > `traffic_sign:direction=forward/backward` > > Thanks, > Bryan > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging
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