So, ground level is level 0? I had wondered about that, as the scanty documentation that I have seen didn't make that point clear.
-- John F. Eldredge -- j...@jfeldredge.com "Reserve your right to think, for even to think wrongly is better than not to think at all." -- Hypatia of Alexandria -----Original Message----- From: David Earl <da...@frankieandshadow.com> Date: Sat, 28 Nov 2009 13:56:23 To: <j...@jfeldredge.com>; <talk-boun...@openstreetmap.org> Subject: Re: [OSM-talk] How to mark a footpath that goes under a bridge On 28/11/2009 13:52, John F. Eldredge wrote: > I am in the process of learning how to use JOSM to transform a GPS > trace into a way, and have a question about how to mark a footpath > that passes under a highway bridge. As I understand the conventions, > placing a node at this crossing point would imply that they connect > to each other, which is not the case. Should the ways simply cross, > relying on the layer tag to mark which one is above the other? The > existing highway data, probably derived from a TIGER import, does not > indicate bridges as opposed to regular roadways. The should cross, not connect, but the higher way one should be split along the length of the bridge and marked layer=1, bridge=yes (unless the footway is more a tunnel under the line, in which case instead split the footway and mark the sub-railway section as layer=-1, tunnel=yes) (This isn't JOSM specific BTW) David _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk