On Wed, Jun 29, 2011 at 6:54 PM, Phil! Gold <[email protected]> wrote: > * Paul Johnson <[email protected]> [2011-06-29 14:52 -0700]: >> On 06/29/2011 11:49 AM, Nathan Mills wrote: >> > My personal preference is to use directional roles so that they match >> > what is written on signage. It also avoids the inevitable "which way is >> > forward and which is backward" question. >> >> One should hope the software can figure that out based on the overall >> orientation of the relation. > > I would prefer directional roles, because you can't always determine the > signed directions programmatically. I've seen quite a few roads which > could be either north/south or east/west depending on how and where you > look at them. I've also seen roads that predominantly go in a particular > direction but which are signed the other way by the entity maintaining > them. > > The tagging should match what the signs on the ground say.
I agree. Not only can't the directionals always be easily determined, unless one follows the odd/even convention (loop roads I495, I476. etc. wouldn't be deterministic), foward/backward are redundant with the oneway=yes tag and the way's direction. Cheers, Adam _______________________________________________ Talk-us mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk-us
