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Hello I have an OS question..basically I have been creating planning application docs for water pumping stations at my work. I download OS maps through the correct channels, they are in dwg format, and are usually a 100 X 100 M grid with eastings and northings around it. My question is - how do I match up the OS grid to Autocad grid? (So i can take coords from this map) I usually move the whole map from a basepoint, to an x + y which is shown on the map itself- but when I ID another point it does not match what OS says it should be. I think i must be being stupid but i cant work it out! Any help gratefully recieved - from a newbie to cadtutor Ta, Lil - Portsmouth, UK.
