On Jan 23, 2008 5:15 PM, David James <[EMAIL PROTECTED]> wrote: > > On Thu, January 24, 2008 12:46 am, Robert (Jamie) Munro wrote: > > Pieren Pieren wrote: > > | Could someone explain the tag highway=stop provided by the 'Map > > | Features' page ? > > | I would expect that all tags approved and moved to this "reference" > page > > | are clearly described. > > [snip] > > | Well, fine, the foot note on the wiki page explains that the main > > | description is a non-sens... > > | Shall we put the node on the way where the sign is, a little bit > before > > | the intersection (and how much) ? or is it planned to use a relation > ? > > | or does it really help to tag such signs (I mean, it does not > influence > > | routing) ? > > > > > [snip] > > > > | or should we remove this tag from the approved Map features and create > > a | proposal wiki page where a clear definition could be done ? > > > > > > We need a way to know where stop signs and give way (yield) signs are > > and which direction they face. It probably requires a relation between > the > > node and the way they are on. > > Does it require a relation, or just that the highway=stop be on a node a > short distance back from the shared node at the intersection (except on a > 4-way stop where the node at the intersection could be highway=stop)? > > I could make an argument that this scheme matches the physical world: the > ways are aligned on the centreline of the roads (maybe?) and the stop sign > is actually some distance back from the centreline of the road protected > by the stop sign (at least in the UK) - do any countries have stop signs > hanging above the centre of the intersection? > > -- > David James >
Bad idea to add a node just for the stop, in addition to the intersection. The stop is topologically associated with the intersection, which is more important (and more logical) than the physical location. A relation would probably be the best method. Karl
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