1. cs5984: Information Visualization Chris North
1-D
cs5984: Information Visualization
Chris North

2. 1-D

3. Keyhole Problem No context Lost, disoriented Where am I?
Where can I go?
Where do I want to go?
How do I get there?

4. Visual Overview Map, organization (spatial layout of concepts)
What information is (not) available?
Adds context info, relationships
Enables direct access
Encourages exploration
HCI metrics:
Improves user performance, learning time, error rates, retention, satisfaction

5. Navigation Approaches
Detail Only
Zooming
Overview+Detail
Focus+Context (Distortion, fisheye)

6. Today Plaisant, “Lifelines”, p 285 Mackinlay, “Perspective Wall”, web
chris r., margaret
Mackinlay, “Perspective Wall”, web
sumithra, gowri

7. Assignment Read for Tues Project Proposal due Feb 20!
Eick, “SeeSoft”, p 419
purvi, prasuna
Eick, “Data Visualization Sliders”, p 251 (2 pages)
Project Proposal due Feb 20!

8. Assignment: 2-D Read for Thurs Read for Tues (1.5 weeks)
Bederson, “Pad++”, p 530
dilshad, satya
Furnas, “Space-Scale Diagrams”, web
Read for Tues (1.5 weeks)
Robertson, “Document Lens”, p 562
ashwini, aejaaz
Spence, “Bifocal Lens”, p 331,333