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[Muz]

Let's say that I wanted to create a random map of an island. Something like what Civilization, Dwarf Fortress, or Conquest of Elysium does. A place with mountains, hills, plains, forests, rivers, etc.

What's the best way to go about doing that? Thanks in advance!

[Strom]

Try this.

http://forums.tigsource.com/index.php?topic=5174.0

[ragnor]

you can use this one too: http://www.evilscience.co.uk/?p=53

It is easy to impelement and tweak. But if you want advanced stuff you should research on cellular automata or stuff like that.

This wiki could help you: http://pcg.wikidot.com/

[ImaginaryThomas]

I wrote this in python. Im no professional so it's pretty basic but it might be a step in the right direction:
http://imaginarythomas.com/?id=6

[Muz]

Ouch.

Thanks, guys, maybe I got it wrong, but I'm not really looking for any height maps. Mostly something like 2D tiles, with something like Hill, Mountain, without needing contours of their heights.

Any suggestions for something simple, like an algorithm to generate tiles of terrain? Maybe generating a mass of grasslands, desert, stuff next to them?

[Mipe]

I refer you to Strom's post. It is not just about height maps.

[Krux]

you can start building a heightmap, and then replace all low coordinates with sea tiles, hight tiles with mountain tiles, and the medium coodinates with grass tiles.

After the Generation Process follows the history pocess, where an AI builds road cities and anything needed for a living world.