A Software Architecture for Integrated Modelling and Animation

A software architecture is presented which integrates the data structures for 3D modelling and animation. The benefits are: the ability to describe time-based models for animation which can change their geometric shapes; efficiency gained by exploiting temporal coherence; and the ability to create a unified interface to modelling and animation. The system is based on an extensible kernel implemented in C++; it allows new modelling primitives and motion control experiments to be added easily into a powerful, integrated environment. A versatile graphics language for scene and animation description, Charli, accompanies the kernel.

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