How do they do it?

How does Tribes render their landscape? Is it fractal? I notice what looks to me like MipMapping. I also know Tribes uses its own algorithm the was created in-house but any information on the engine itself I would appreciate.

-Mercalli

If you go to gamedev.net, the have some examples of doing terrain and landscape:

http://www.gamedev.net/reference/list.asp?categoryid=40

You may have to scroll down a bit to find the right section…

Also, if the link doesn’t work, go to gamedev.net -> programming -> 3D /Theory…