2010/1/2 Aun Johnsen <li...@gimnechiske.org>: > Even if you have access to good arial photography, remember that it might be > out of alignment, it can be a good advise to gather some good fixes to check > the alignment of your photos, this can be several GPS tracks along your > trail.
I'm pretty sure the imagery he's refering to is nearmap.com, which I'm not sure how they manage it exactly but they seem to be about sub-metre accuracy... _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk