MapGen is a software tool created by Amit Patel. It includes some fascinating terrain generation methods, described at the pages below.
- Polygonal Map Generation for Games (full article, combines the three below)
- Polygon Map Generation, Part 1
- Polygon Map Generation, Part 2
- Polygon Map Generation, Part 3
- Polygon Map Generation FAQ
I’ve included both versions here because as I recall the comments are insightful and worth considering as well as the actual posts. SimBlob is another blog I’ve been meaning to go back and mine in greater detail.
Awesome tool.