[OSM-talk] Ditches

Anthony osm at inbox.org
Tue Dec 15 03:52:30 GMT 2009


On Mon, Dec 14, 2009 at 10:47 PM, John Smith <deltafoxtrot256 at gmail.com>wrote:

> 2009/12/15 Steve Bennett <stevagewp at gmail.com>:
> > On Tue, Dec 15, 2009 at 2:36 PM, John Smith <deltafoxtrot256 at gmail.com>
> wrote:
> >> I tend to mark bridges as layer=1 and anything at ground level I don't
> >> set a layer tag, which seems the most logical to me since ditches
> >> aren't under the ground etc.
> >
> > The one benefit of marking waterways layer=-1 (particularly for long
> > ones) is that it's protection against anyone else forgetting to set
> > layer=1. That is, someone else might draw a bridge over it somewhere
> > and not set the layer. Well, if the waterway itself is -1, that will
> > still behave the same.
>
> Except keep right and other validators will complain and let you know
> you've forgotten.
>

Okay, but here's the thing.  We don't put a fence at layer=1, even though
it's on top of the ground.  Because then it wouldn't be a barrier to travel
along the ground.

Will keep right complain if you cross a way and a barrier at the same layer
and mark the node with barrier=entrance?
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