Urban is a software capable of procedurally creating 3d urban environments. It's based on a multi-agent system where each agent is responsible for one type of urban object. This means the system is highly modular and can easily be extended.
The goal of this fractal renderer is to enable intricate images to be created with maximum control over the results. To this end, it supports multiple layers, many fractal types (including user – defined equations) and different ways of rendering.