On 9 Aug 2009, at 12:10, Stefan de Konink wrote: > On Sun, 9 Aug 2009, John Smith wrote: > >> Assuming that yahoo is wrong, at least it will be consistently wrong >> and it's trivially to mass move ways when you do get reference >> points to >> re-align the data to. > > Moving stuff in GIS is never trivial. You don't know why it is > wrong, and > even if it looks 'locally' shifted it could be even misrectified > causing > it to be shifted and streched possibly rotated. > > My own town is in this situation. And most AND data imported in NL has > also a very strange offset to what several GPX traces show as 'this > is the > road'. >
How does your town compare to Yahoo? I have only heard of trival shifts in the rectification being a problem. Shaun _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
