2013/3/14 Simone Saviolo <simone.savi...@gmail.com> > 2013/3/14 Steve Doerr <doerr.step...@gmail.com> > >> I suppose the main downside is that it requires a relation. I've not >> mapped give-way relationships myself, but it would be good to map them, and >> the node method seems simpler and would involve less database bloat than >> adding a relation at, basically, every junction. I would think the node >> method would be sufficient for most junctions, while the relation method >> could be available for any more complex cases. As far as I can see, with >> the node method, the important thing to remember is that the give-way node >> needs to be closer to the intersection node to which it applies than to any >> other intersection node on the way, which doesn't seem too difficult to >> achieve. It should perhaps be made clear in the wiki that there is not >> necessarily an actual Give Way sign: it can be used to represent a give-way >> line as well. >> > > I see your point, and I've tagged a few highway=give_way and highway=stop > nodes myself. However, since we are already mapping turn restrictions as > relations, I think it wouldn't be so absurd to map give-way's and stops > that way too. Granted, there are much more stops than the turn restrictions > that need to be described explicitly. > > I think the two ways may coexist: the node method being easier on the > mappers, and the relation being easier on the consumers. >
Maybe I should have a look at the proposal first, but wouldn't you have give_way or stop node anyway? If it is near to an intersection, why would it be hard on consumers to deal with it? I think you'd only need a relation if the directionality isn't what one would normally expect, i.e. you enter the street from the intersection and then you are supposed to give way, maybe to a cycleway or a crossing. Although even that is normal. Because traffic that makes a turn has to yield for traffic traveling straight on. Jo
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