The following example by Jakob Przybylo, Min-Chieh Chen and Michele Leidi is a typical - this time creating a city using processing:
The clip below provides an insight into the process:
Being able to create a city in one minute - using their processing application is impressive, it also allows output via .dxf, as such it can be imported into any number of rendering/modelling packages.
No word yet on a wider release, but it would be good to see if this could be made available....
