[OSM-talk] [RFC] Deprecating the use of Tag:highway=stop in favour of Key:stop

[Roy Wallace]

On Wed, Aug 26, 2009 at 7:22 PM, James Livingston<doctau at mac.com> wrote:
> On 26/08/2009, at 1:38 PM, John Smith wrote:
>
> This brings up an interesting question, when you're "finding the
> nearest junction" to use for stop key on a node, what counts as a
> junction? It's going to be a node which belongs to the current way and
> at least one other way satisfying certain conditions, but what are
> those conditions? If we are to use the stop key, I think those
> conditions will need to be explicitly spelt out, so that you can
> process the data.

It would have to be ANY junction, I think (the nearest node that
belongs to more than one way, as you say). There should be as little
dependence on other tags as possible. Otherwise - a maintenance
nightmare...

> If we're going to automagically determine which junction the Stop
> applies to, why do we even need a new key with yes/both/-1 values?
> Surely we could just say that if the existing highway=stop tag is
> applied to a node belonging to a single way (and not an intersection,
> which has the current meaning), then the Stop applies to traffic on
> the current way approaching the closest junction.

I thought that was what we were talking about already. Remember
there's three options.
1) your description above, which John seems to like
2) http://wiki.openstreetmap.org/wiki/Key:stop
3) http://wiki.openstreetmap.org/wiki/Proposed_features/Relation:type%3Dstop