HTML version of Scripted Foils prepared 6 July 97

Foil 25 Details of the WebDIS Prototype at the NPS

From Overview of Parallel Compiler Runtime Consortium Activities ARPA Environments PI Meeting Washington -- June 9-10 97. by Geoffrey C. Fox *

1 Front-end is provided by Netscape running one vehicle simulation applet on each node and by Cosmo Player VRML2 browser displaying the multi-vehicle simulated world.
2 Java applet propagates local vehicle and communicates via the bridge daemon with other nodes, sending local vehicle PDUs and reading remote vehicles PDUs.
3 Java applet and VRML browser interact via EAI (External API) as specified by SGI/Cosmo Player add-on to the VRML2 protocol. JavaScript is used to acquire handle to the VRML scene and LiveConnect is used to pass this handle to the Java applet.
4 Applet performs dynamic real-time updates of the scene graph based on local vehicle simulation and remote vehicle locations received via PDUs.
5 This prototype is successful and demonstrates that one can use Web technology for Distributed Event Driven Simulation -- the major use of simulation in DoD

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