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

[John Smith]

On 20 March 2010 20:00, Teemu Koskinen <teemu.koskinen at mbnet.fi> wrote:
> That only helps if the images are just offset by some amount, it doesn't
> help at all if they are warped, rotated etc.
> See eg. the centre of Helsinki: http://elanor.mine.nu/daeron/wavy.jpg
> All the red lines are completely straight in reality. The whole Helsinki
> area is full of similar errors in the Yahoo aerial images.

Did you post anything about this on the wiki?