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1-D. cs5984: Information Visualization Chris North. 1-D. Keyhole Problem. No context Lost, disoriented Where am I? Where can I go? Where do I want to go? How do I get there?. Visual Overview. Map, organization (spatial layout of concepts) What information is (not) available?

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  1. 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 • chris r., margaret • Mackinlay, “Perspective Wall”, web • sumithra, gowri

  7. Assignment • Read for Tues • 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 • 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

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