Topologically-based animation for describing geological evolution

This paper presents a topologically-based animation system which aims at representing the topological evolution of structured objects over time. Its robustness and versatility both relie on the n-dimensional generalised map formalism. The animation is modelled as a series of maps ordered in time and represents each topological modification of the structure. We define several dedicated topological operations, which are translated into a script defining the animation. We finally show the usefulness of the approach by means of a specific application in geology, namely representation of a subsoil evolution in 2D.