Interactive Media Systems, TU Vienna

Flexible Parametrization of Scene Graphs

By Gerhard Reitmayr and Dieter Schmalstieg


Scene graphs have become an established tool for developing interactive 3D applications, but with the focus lying on support for multi-processor and multi-pipeline systems, for distributed applications and for advanced rendering effects. Contrary to these developments, this work focusses on the expressiveness of the scene graph structure as a central tool for developing 3D user interfaces. We present the idea of a context for the traversal of a scene graph which allows to parameterize a scene graph and reuse it for different purposes. Such context sensitive scene graphs improve the inherent flexibility of a scene graph acting as a template with parameters bound during traversal. An implementation of this concept using an industry standard scene graph library is described and its use in a set of applications from the area of mobile augmented reality is demonstrated.


G. Reitmayr, D. Schmalstieg: "Flexible Parametrization of Scene Graphs"; accepted for publication in: "Proceedings of IEEE Virtual Reality 2005", issued by: IEEE; IEEE, 2005.


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