The OS have their own aerial survey 'plane, currently based in Blackpool I think. A large part of their rural mapping updates comes from this hi res photography. They don't choose to release these photos for general use of course. An OS 'plane used to be based at an airfield I used to fly from.
Cheers, Chris Ed Avis wrote: > In the UK, certainly large-scale Ordnance Survey maps show field boundaries. > There is some incomprehensible (to me) information about 'field parcel > numbers' > at <http://www.ordnancesurvey.co.uk/oswebsite/site/contact/fieldparcels.html>. > > It would be great to add them to OSM but I don't think walking along the > boundary > of each field with a GPS device is a practical way to do it. And > high-resolution > aerial photography is unlikely to be available for rural areas. So I wonder > where the OS get their data from? > > _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
