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ROV Data Visualization project update or

ROV Data Visualization project update or What would you do with a gigahertz computer or the next generation game console?. Noon Seminar 21 January 2000 Mike McCann with thanks to MBARI Interns Jenny De La Hoz and Alex Derbes. Project goals.

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ROV Data Visualization project update or

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  1. ROV Data Visualization project update or What would you do with a gigahertz computer or the next generation game console? Noon Seminar 21 January 2000 Mike McCann with thanks to MBARI Interns Jenny De La Hoz and Alex Derbes

  2. Project goals • To create novel visualizations of the variety of data collected by MBARI • distribute diverse data sets over the World Wide Web in a • common • compelling • efficient, and • easy-to-use system

  3. What does common mean? • The same system for the multitude of data we have but also, • A system that is available (common) to most people.

  4. What is compelling? • Has a purpose • Attractive • Easy to navigate • Fast to download • Fast to render • Interactive • In the end the end-user tells us if it’s compelling

  5. Efficient and easy to use • Easy learning curve • Cues and instructions • In the end the end-user tells us if it’s easy to use

  6. What is 3D? (playstation demo)

  7. Approach taken • O-O access to data • Perl module EXPD.pm abstracts the access to data for the scipts that use it • Data hiding and encapsulation used • Virtual Reality Modeling Language (VRML)

  8. What is VRML? • An open international standard ISO/IEC 14772 • A file format • Description of a scene graph • Like HTML, several authoring and browsing tools exist (open standards guarantees this). • Not really Virtual Reality • Not block-buster movie quality

  9. How do we use VRML ? 1. Install VRML 2.0 plugin for your browser. Both CosmoPlayer and WorldView work in either Netscape or Internet Explorer. 2. Surf to sites that have VRML. 3. E.g. Expedition database on our Intranet

  10. To be done 1999 - 97 IAG days allocated, 83 days used - met milestone of 3D replay links on web pages - did not write paper 2000 - 65 IAG + 29 other days allocated. High on the to do list: - High resolution terrain - Install 3D graphics cards on users desktops - Other data types and site visualizations - Other user suggested improvements 2001and beyond: Ride the technology wave...

  11. Scene Graph - excerpt from a world • Nodes • Hierarchical tree • Routes between attributes of nodes used to transfer data, handle events, etc. • VRML browser traverses the graph to render the scene

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