On Mon, 9 May 2011, Tom Hughes wrote: > On 09/05/11 13:17, Phil Endecott wrote: > > > Good grief. Are people seriously suggesting that the Ordnance Survey > > "owns" the grid reference system to the extent that others cannot > > convert between grid refs and other formats, or draw a grid over their > > own maps? That sounds like legal paranoia to me (and normally, I think > > I'm more cautious than most about such issues). > > See my other posting - the issue is that the "best" version of the > mapping to OSGB relies on a large data table. It is not just an > algorithmic conversion.
You can apparently use this data "for free" is long as there are copyright notices. Not something to use for OSM of course, but it's here: http://www.ordnancesurvey.co.uk/oswebsite/gps/osnetfreeservices/furtherinfo/questdeveloper.html cheers, Derick _______________________________________________ Talk-GB mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk-gb

