4th August 2007, 11:49 AM
Hi Richard. er, not really. you've tied your grid to standing structure but unless you can assign actual OS grid references to at least 2 of your baseline points it's not really 'tied in'to the OS grid. A building can be knocked down/altered etc. sorry if I'm being picky, hope this helps. Leg11
"...Ok, so ten out of ten for style, but minus several million for good thinking..." Z.B
"...Ok, so ten out of ten for style, but minus several million for good thinking..." Z.B