Multiple Views cs5984: Information Visualization Chris North

Review Many attributes: TableLens, Parallel Coords Many items: StarCoords, Spotfire Very Many items: Query Previews Hard! Why? Mental Max = 3- or 4-D Can’t show everything, interaction is key

Today Roth, “Visage”, web (video) » josh, priya North, “Snap-Together Visualization”, web

Multiple Views Problem: Can’t display everything in 1 view Solution: Mutliple views Key: Coordination / Tight-coupling Scale: many attributes brushing-and-linking Scale: many items Overview and detail

Brushing and Linking

Multiple perspectives

Brushing and Linking

Overview and Detail

Word Web

Overview and Detail

Synchronized Navigation E.g. synchronized scrolling

Snap-Together Visualization Problem: What about other combinations? Data Tasks Views Coordination Solution: Snap!

Windows Explorer ++

Web Logs

Census Data

Photo Library

Mailing List

Snap Concept Actions: 1.Put data tables into visualizations 2.Link actions together –Depends on relationship between tables Data

Project Project Proposal due: Tues Feb 20 Mid-Project Report due: Tues March 20 Project Presentations: April 24 - May 1 Project Paper due: May 7

Project Proposal Contribute original research! Group size: students Development, Evaluation Pick problem, propose solution, timetable

Assignment Read for Thurs Plaisant, “Lifelines”, p 285 » chris r., margaret Mackinlay, “Perspective Wall”, web » sumithra, gowri Read for Tues Eick, “SeeSoft”, p 419 » purvi, prasuna Eick, “Data Visualization Sliders”, p 251 (2 pages)

Next Time: 1-D Lists Text Time series, timelines Math series, progressions, Temperature, distance, grading…