Procedural Terrain Generation
Generation of terrain through a pseudorandom process.
|Software name||Free||Free limited edition||License|
Procedural Heightmap Generation
Explicit algorithms iterate through a matrix and set each height explicitly.
Implicit algorithms are algorithms on the form f(x,y) = h. The advantage of implicit algorithms is that they can often provide an arbitrary level of detail, require minimal information about adjacent terrain and can easily be computed in parallel on the gpu.
Algorithms such as fractional brownian motion and diamond square try to emulate pink noise the result is a surface that look a lot like crumbled paper. Real terrain does not look like pink noise on the large scale, mainly because of wheathering and erosion.