A small L-System (Lindenmayer System) interpreter written in Java.

LINN ({L}-System interpreter developed in {INN}sbruck) is a small, configurable L-System interpreter with the following features and design intentions:

• Types of L-Systems supported:
  • Both context-free and context-sensitive ones
  • Both stochastic and deterministic ones
  • Parameterized ones
• Written in Java 8 and offering
  • a fluent API for specifying and executing L-systems
  • an optional ANTLR4 grammar (for external, textual specification)
• Core library has no noteworthy external dependencies (just Google Guava)
• Core library does not include any render capabilities (although examples do)
• User code injection to accomplish the following:
  • Condition evaluation for selecting production rules
  • Parameter values, default values and variables
  • Notification actions on productions and entire interations (e.g. useful for rendering, logging of results, etc.)
• Syntax mostly based on what can be found in Prusinkiewicz, Lindenmayer, Hanan, et al., "The Algorithmic Beauty of Plants", freely available here
• Examples will show both API usage, actual rendering in Processing/OpenGL and export of production results as meshes/point clouds

Project status: 50%

What works so far:

• Fluent API for defining L-systems and executing them
• State change and post execution notifications to trigger e.g. rendering
• Deterministic, context-free L-systems
• Stochastic L-systems
• Basic examples (2D) rendered as Processing sketches

Current milestone: further productions, parameterized rules, examples

• Project structure
• Example outputs

That's it for now :)