Traditionally 3D interaction techniques (3DITs) are implemented in VR applications in a proprietary way on specific target platforms. Mixing 3DIT specific code with application code neither allows for reusability in other applications nor for exchanging 3DITs in a comfortable and flexible way. We propose an additional system software layer called Virtual Environment Interaction Technique Abstraction Layer (VITAL) targeted on platform and application independent (portable) 3DIT implementation. We describe the underlying concepts and provide details on how to integrate VITAL in VR frameworks. Furthermore, development mechanisms targeted on portability and general-purpose interfacing techniques with other system components are outlined and demonstrated in examples.
M. Csisinko, H. Kaufmann: "VITAL - The Virtual Environment Interaction Technique Abstraction Layer"; Talk: IEEE Virtual Reality 2010, Boston, USA; 03-20-2010 - 03-24-2010; in: "Proceedings of the IEEE Virtual Reality 2010 Workshop: Software Engineering and Architectures for Realtime Interactive Systems", Shaker Verlag, (2010), ISBN: 978-3-8322-8989-8; 77 - 86.
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