Hi, I see its been downloaded a few times, I wondered if anyone had used it for anything interesting...
I have tried adding more detail to coastlines etc... here are south america and african coasts, not even tried europe yet, in TFTD it is a real mess, all out of shape.
All I've done so far is add detail by adding polygons and adjusting existing ones around coastlines. I'd say its more difficult than UFO because you are working with a "negative"... If you want to add an island to the map in UFO, you can just add a 3 sided or 4 sided polygon, but in TFTD water is the terrain, so you need to cut out your island, so you need several polygons to make a simple triangle island. It makes editing far more tedious. I tried to think of a better way to do it, maybe using UFO data. Even though it is reverse of the TFTD map format, one side of every polygon in UFO could be used to make a coastline maybe in TFTD, but the other edges would need moving from land to sea... just an idea, not tried it yet.