Welcome to grogra.de

Welcome to the website grogra.de. This site is the web centre of growth grammars of the Department Ecoinformatic, Biometrics and Forest Growth at the Georg-August University of Göttingen and its cooperation partners.

Growth grammars are a powerful approach to the modelling of dynamic systems. The main point is their rule-based method of programming, which leads to a concise specification. Read more...
The gallery gives an impression of what can be done using growth grammars. You will see models of a variety of disciplines.
This site provides software for the execution of growth grammar programmes: GROGRA is an L-system interpreter, GroIMP is an interactive modelling platform and able to execute programmes written in XL (a Java-based growth grammar language). Read more...