Hi, Can anyone tell me why when using a State Plane Coordinate System, in feet, I cannot get a proper acreage reading when using d.what.vect? The only way for me to get a proper acreage reading is by using UTM. This occurs in both 4.0 and 4.1. Any clues? Thanks, ---- Christine Weiss NYC Dept. Parks & Recreation Natural Resources Group cmw at nycparks.gov (212) 360-2749