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Re:Rendering large terrains by frik on Monday March 10, 2014 @08:21AM (#7372488)
Three years ago, someone had the same idea:

http://sea-of-memes.com/LetsCode28/LetsCode28.html

Edit: just for some additional information, the idea is of course a lot older

Re:Rendering large terrains by shultays on Monday March 10, 2014 @09:07AM (#7372652)
This is far older that 3 years old, I don't think OP says he invented it