[Tagging] Use cases: where would a count of all lanes be useful?

Jo winfixit at gmail.com
Mon Sep 19 20:28:42 BST 2011


That's how the JOSM turnlanes plugin helps to tag it. It neatly describes
the length of the turn lanes and where they lead the traffic to in a bunch
of relations. The only thing missing from it is a way to indicate where
exactly the turn lane starts (instead of making an estimation in meters).

Jo

2011/9/19 Kytömaa Lauri <lauri.kytomaa at aalto.fi>

> >wouldn't it be easier to tag directly how long each turn lane is for
> >each approach rather than splitting the way in several places?
>
> Tagging geometry when you can have the geometry as geometric
> entities? From a usability perspective that's bad, it's mixing totally
> different mental models. And it's harder to survey/estimate lengths
> both on the ground and from the aerials (where available), than
> to place a node and split.
>
> --
> Alv
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