Information Visualization

External CognitionUsing perception to amplify cognition

34x 72

682318024248

0204060

Time(s)

Paper

Mental

Information Visualization

Information Design/Data GraphicsUsing external representations to amplify cognition

Using abstract external representations

Information Visualization

Using interactive external representations to amplify cognition– Scientific Visualization = physical data

– Information Visualization = abstract dataWWW server logs, databases…=> No intrinsic visual representation

History

10 years of Academic Research

Jacques Bertin (cartograph) invented the domain in the 60’s

Ben Shneiderman popularized it (~90’s )

Topology of Internet by service provider

Example : Table LensTake a spreadsheet, replace figures with bars

+ add interactive manipulation of rows and columnshttp://www.inxight.com

Starfield Display (plots)

2D plots with interactive filtering and navigation

TreemapsFor hierarchical and clustered data

Micro/macro reading, size + color encode information

http://www.smartmoney.com/marketmap

Treemaps (2)

800000 hits in 6 months, interactive display