GroIMP wiki - 02_user_tutorials:13_rgg

RGG Code structure introduction

Anonymous (anonymous@undisclosed.example.com) — 2026-03-12T09:23:48+00:00

RGG Code structure introduction The RGG programming language repents the core of almost all GroIMP models. This language extends java and implements the XL-language specification (), to enable rule based graph manipulation. This leads to a programming language based on two paradigms, the object orientation of java and the rule based structure of XL. In order to separate these two rgg is using different brackets to define code blocks. The java blocks ar…

XL turtle geometry and graph construction

Anonymous (anonymous@undisclosed.example.com) — 2025-12-12T11:08:14+00:00

XL turtle geometry and graph construction This tutorial is only on the static construction of a 3D model and the underlying graph. There is nothing chaining and there are not steps involved. Therefor our base code structure only requires the init function:

Forward parameters from the command line to a project

Anonymous (anonymous@undisclosed.example.com) — 2025-12-12T11:25:14+00:00

Forward parameters from the command line to a project It is possible to forward parameters from the command line to GroIMP using additional parameters beginning with an capital X.This parameters need to be added before other specifications such as --

Getting started

Anonymous (anonymous@undisclosed.example.com) — 2026-03-20T14:13:35+00:00

Getting started note: again a getting-started guide. At the web page, there exist some example XL files, which you should download in order to have a starting point. Or, if you have installed the Examples-plugin, just select the menu File/Show Examples. A simple, classical example is the Koch curve whose XL source is shown here, you may create the file