Richard Fairhurst wrote: > Gervase Markham wrote: > >> Is tracing directly from the NPE maps, with no or very little GPS fix >> support, considered reasonable? Or are they not considered accurate >> enough? >> > > The main problem with the NPE maps is alignment. The best way to > solve this is to align one end of the road you want to trace with a > GPS track - at a junction, maybe - so you know by how much to offset > your tracing. > > I've recently started work on rerectifying the maps so there's less > distortion, but this will take a while When I've done this I've added a source=NPE tag, this way if someone comes along with a trace and finds that it's out from yours they know when the error is from.
Cheers Chris -- http://www.chrisfleming.org/ _______________________________________________ newbies mailing list [email protected] http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/newbies
