[OSM-talk] What do you wish you'd known?

[John Smith]

On 20 March 2010 19:42, Teemu Koskinen <teemu.koskinen at mbnet.fi> wrote:
> I wish I had known that the Yahoo aerial images are not rectified, as I
> blindly went and "corrected" all the roads in my neighborhood by moving
> them to coincide with the aerial images. In reality they already were in
> the correct position as they were drawn from more accurate gps-traces.

Someone mentioned this a while back, in terms of editors storing
corrected image positions centrally.