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Graphical Log Analyzer

This project examines X3D/VRML for a graphical log visualization tool. Emphasis on coding features and interoperability potential. Details initial attempts using Script Nodes, JVM issues, and EAI techniques. Advantages include holding massive log data visually with natural benefits.

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Graphical Log Analyzer

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  1. Graphical Log Analyzer Lindsey Lack 16 October 2002

  2. Project Goal • Examine the suitability of X3D/VRML for use in developing a graphical log visualization tool • IDS, System Logs, etc • Emphasis on coding features / interoperability potential • Not on determining the most effective visual representation

  3. Initial Attempt • Using Script Nodes • Didn’t work since code in the browser wouldn’t talk with code outside the browser • Unless I used the network to send messages

  4. JVM2 (In Browser) JVM1 JVM Issue With ScriptNodes Java UI Browser UI X GUI Thread GUI Thread Browser X Script Node Network

  5. EAI (External Authoring Interface) • Ended up using EAI • Combines Applet interface with VRML window in same Browser • Used Cortona 3.1 and the “original” eai classes • Vrml.external.*, in plywood.jar

  6. JVM1 (In Browser) EAI Single Web Page Applet UI Browser UI Browser EAI/GUI

  7. EAI Techniques • getBrowser • Connect with world • createVrmlFromString • Create objects • getEventIn (addChildren,translation) • Send objects into world • Compile objects • Move objects • Implemented EventOutObserver • Capture callbacks

  8. Demo

  9. Advantages • Potential to hold massive amounts of information in a scene • Visual perspective has a natural benefits (more detail for more recent events) • Scene “storage” • When registering for callback, send object: stores object

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