On 13 Sep 2009, at 22:55, Thomas Wood wrote: > 2009/9/13 Peter Miller <peter.mil...@itoworld.com>: >> >> On 13 Sep 2009, at 22:41, Thomas Wood wrote: >> >>> These maps are already rectified of course, it's usually good to >>> convert the OS coordinates to Lat/Lons and then set the grid corners >>> as reference points. >> >> But my photographs of the maps will have introduced some tilt and >> other >> distortions, so it does need some control points. Possibly you are >> saying >> that I can calculate the control points from the OS grid references >> for the >> corners. That may indeed be true. > > Yes, it is a shame that they're too large to be scanned at once, it'd > make for a much better image. You seem to have achieved fairly > reasonable results with a camera though. > I would consider getting them scanned, but I have no idea where or how much is costs and I had a camera to hand! I tripod would have helped, but I was keen to get on with it.
The plan now is to give the maps to the local records office however I though I would investigate getting the scanned first - or possibly the records office has a suitable scanner. I do know that Steve Chilton has access to one, but then there is the problem of getting them there and there might also be a charge of course. Regards, Peter > -- > Regards, > Thomas Wood > (Edgemaster) _______________________________________________ Talk-GB mailing list Talk-GB@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-gb