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A scalable architecture for the HTML5 / X3D integration model X3DOM

: Behr, Johannes; Jung, Yvonne; Keil, Jens; Drevensek, Timm; Zöllner, Michael; Eschler, Peter; Fellner, Dieter W.

Association for Computing Machinery -ACM-, Special Interest Group on Graphics -SIGGRAPH-; Web3D Consortium, Menlo Park/Calif.:
Web3D 2010, 15th International Conference on 3D Web Technology. Proceedings : 24-25 July 2010, Los Angeles
New York: ACM Press, 2010
ISBN: 9781450302098
International Conference on 3D Web Technology (WEB3D) <15, 2010, Los Angeles/Calif.>
Conference Paper
Fraunhofer IGD ()
extensible 3D (X3D); HTML; Document Object Model (DOM); WebGL; web integration; Forschungsgruppe Semantic Models, Immersive Systems (SMIS)

We present a scalable architecture, which implements and further evolve the HTML/X3D integration model X3DOM introduced in [Behr et al. 2009]. The goal of this model is to integrate and update declarative X3D content directly in the HTML DOM tree. The model was previously presented in a very abstract and generic way by only suggesting implementation strategies. The available opensource x3dom.js architecture provides concrete solutions to the previously open points and extents the generic model if necessary. The outstanding feature of the architecture is to provide a single declarative interface to application developers and at the same time support of various backends through a powerful fallback-model.
This fallback-model does not provide a single implementation strategy for the runtime and rendering module but supports different methods transparently. This includes native browser implementations and X3D-plugins as well as a WebGL-based scene-graph, which allows running the content without the need for installing additional plugins on all browsers that support WebGL. The paper furthermore discusses generic aspects of the architecture like encoding and introspection, but also provides details concerning two backends. It shows how the system interfaces with X3D-plugins and WebGL and also discusses implementation specific features and limitations.