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Visualization Development

Visualization Development. cs5984: Information Visualization Chris North. Quiz. What is an ‘independent’ and ‘dependent’ variable? What does it mean if you get p>>0.05?. Developing Visualizations in Java. Why Java? Portable Easily publishable (put on web) GUI, graphics, Swing jazz, …

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Visualization Development

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  1. Visualization Development cs5984: Information Visualization Chris North

  2. Quiz • What is an ‘independent’ and ‘dependent’ variable? • What does it mean if you get p>>0.05?

  3. Developing Visualizations in Java • Why Java? • Portable • Easily publishable (put on web) • GUI, graphics, Swing • jazz, … • Other options? • VTK: VisualizationToolkit.com • VB, win api, mfc. Ug! • Tcl/tk • Opengl • Vrml? • IDL, … • DIVERSE www.cvev.vt.edu

  4. Developing Visualizations in Java • Java basics, graphics and interaction • Purvi • Event handling, JDBC, Snap • Nathan • Bederson, “Jazz” • Jun, Rohit

  5. Next Week • Tues: 2-D • Plaisant, “When an Intermediate view matters?” • abhi, sandeep • Lieberman, “Macroscope: Powers of Ten Thousand” • anusha, mrinmayee • Thurs: 2-D, focus+context • Robertson, “Document Lens” • priya, parool

  6. Assignments • Literature Review due today! • Project status report: oct 30 • Homework #2 due next thurs

  7. Homework #1 • Range: A+ to B- • Consensus: Spotfire, Tablelens, xmdv, starcoord • Tasks: • Not: min, max (only 1 data item), avg, % (1 value) • Patterns, trends, distributions, outliers, exceptions, relationships, correlations (multi-way?), combined min/max, tradeoffs, clusters, groups, comparisons, context, anomalies, data errors, changes over time • Paths, … • Keep working your way out of constrained ways of thinking

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