HTML5

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http://www.ebremer.com/resources/taxonomy/html5

Nexus Upgraded from Jetty 7 to Jetty 8 now supporting WebSocket RFC6455

Nexus has been upgraded from Jetty 7 to the latest Jetty 8 which supports the RFC 6455 version of the WebSocket protocol.  This allows the use of the latest FireFox 13 and Google Chrome browsers and, of course, all of the improvements to both browsers, especially the HTML5 and WebGL support.  I've been holding back on updating because of the number of revisions the WebSocket protocol has been going through.  I wanted to spend my time on core Nexus development rather than just bumping the WebSocket revis

Building HTML5 pages one RDF Triple at a Time

Alright, it doesn't look like much, but there is something special about the web dialog that is being displayed over the 3D graph - it was built triple by triple.  I had reached the point in developing Nexus where I needed to have interactive dialogs for display control and user-input.  Up until this point, I had been working with 3D objects and taki

RDF Triples over HTML5 WebSockets

From the beginning, I wanted Nexus to be a collaborative visualization system allowing multiple clients in multiple locations to see the same visualizations in real-time.  The issue that arises here is knowing "where" in the 3D semantic web visualization the other clients (people/avatars) are and what direction they are looking at.  In the 3D digital world, you have the concept of a "camera".  This is essentially your point-of-view in a particular 3D simulation.  As the camera moves, your view of the model changes as well.  In order to know where the other clients are in the simulation

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