TashaSkyUp/random_midpoint_displacement_fractal

1024x1024px PNG encoded, scale=0.1, roughness=1.0

each map was then processed with 100 iterations of rain erosion simulation (e99 directory)

for further explanation please see https://en.wikipedia.org/wiki/Diamond-square_algorithm

The idea was first introduced by Fournier, Fussell and Carpenter at SIGGRAPH in 1982