On Fri, 1 Aug 2003 09:47:57 +0100, "Mally" <[EMAIL PROTECTED]> wrote in message <[EMAIL PROTECTED]>:
> Richard > > > I have considered trying to extract higher resolution DEM-like data > > from OS maps by scanning the maps and doing some image analysis > > (tracing the contour lines and roads etc), but it is a daunting > > task, and probably illegal too. > > Crown Copyright is jealously guarded. The Ordnance Survey had an > entire department for this last time I looked. However, all is not > lost - you can use old maps which are out of copyright ( >50 years - > not sure of the exact ..could be 70 years, I remember some seeing some discussion on some EU copyright directive somewhere. > requirement here). The changes to the terrain in the intervening years > are probably not all that significant apart from Penmaenmawr of > course. > -- ..med vennlig hilsen = with Kind Regards from Arnt... ;-) ...with a number of polar bear hunters in his ancestry... Scenarios always come in sets of three: best case, worst case, and just in case. _______________________________________________ Flightgear-users mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-users
