On Tue, Dec 15, 2009 at 2:36 PM, John Smith <deltafoxtrot...@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. (And there's no downside) Steve _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk