[Tagging] Feature Proposal - Voting - (Bridge types)

François Lacombe francois.lacombe at telecom-bretagne.eu
Mon Sep 30 16:34:50 UTC 2013

Ok fly, sorry for this sidetrack on the main thread ;)

Nevertheless, +1 for separating structures (bridges, tunnel) from features
(roads, rails, ...).

But all this (tunnels, bridges, culverts) need a better support of layering
and extra attributes like elevation beside lat & lon.

*François Lacombe*

francois dot lacombe At telecom-bretagne dot eu

2013/9/30 fly <lowflight66 at googlemail.com>

> Am 30.09.2013 18:19, schrieb Martin Koppenhoefer:
> >
> > 2013/9/30 Philip Barnes <phil at trigpoint.me.uk <mailto:
> phil at trigpoint.me.uk>>
> >
> >     And canal tunnels, there is usually a towpath through the same
> >     tunnel, but we have to map them as separate tunnels, then there are
> >     double track railway tunnels.
> >
> > IMHO this is the same as for bridges: we don't have a general standard
> > how to map a bridge or a tunnel, all we (there are exceptions, speaking
> > about the general consensus how "normal" mapping is done) currently do
> > is attaching an attribute to a road (or sth. else) stating that it is on
> > a bridge or in a tunnel, but we do not map the bridge or tunnel itself.
> >
> > The solution could be a bridge object or a tunnel object (could be
> > either geometry or a relation) which would represent the actual
> > structure, would get tags like name (name of the bridge / tunnel, not of
> > the road, i.e. goodbye bridge_name), and so on. In the case of geometry
> > this would be an area outlining the feature, in the case of relations I
> > think there is already a proposal, but not very much used.
> Sure, man_made=bridge/tunnel for the outline and bridge/tunnel relation
> which are often both needed.
> fly
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