Extending QuickTime’s Object VR Interactivity

Image-based 3D visualizations are required when frame rendering times are long, when photographic image sets rather than mathematical models of objects are available, or when model complexity does not support real-time rendering. The Object VR model of QuickTime (QT) is a common framework for such visualizations. While these have proved useful in the biomedical community, the QTVR framework has some limitations, presented and addressed in this paper. This work provides solutions to the issues of smoothly going beyond two degrees of control and allowing models to freely tumble end-over-end; an improved method of hot spot labelling and interaction is also presented. These solutions are all being actively implemented in our current generation of biomedical models.