"Thanks for all the help - I'd have got sick of me by now.. :)"Glad to help. After all I got you started down this route (which, for much of the world, would have been much simpler than this exercise has proven to be)."Am I doing something wrong?"Not too much :-); the problem is in the inf file.You provided the coordinates for the SW corner:Lat = 32Lon = -18when it should be the NW corner:Lat = 34Lon = -18I made one other (optional) change, specifying the LOD rather than leaving it to chance. This way I know what I'm working with. LOD=9 vs LOD=AutoI think you will like your "new" island!

IT WORKED!!!! Thank you soo much!!It looks brilliant, much better than the default, and the detail is good enough so I can make my original mesh area 4x4 instead of 9x9, as it puts back the hillside that the default mesh left out that I was trying to rebuild.Thank you again :DHere's a small preview of what I'm working on:http://forums.avsim.net/user_files/107777.jpg