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