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InfoVis1415: slides sessie 3, 23 Feb 2015

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InfoVis1415: slides sessie 3, 23 Feb 2015

  1. 1. Informatie-visualisatie les 3, 23 feb 2015 Erik Duval Dept. Computerwetenschappen, KULeuven http://erikduval.wordpress.com & @ErikDuval 1
  2. 2. voorbije week… 2
  3. 3. 3
  4. 4. tegen volgende week • publiek, data, verhaal • data: ruwe feasibility voldoende voor nu • visuele alternatieven • 15” per groep volgende week 4 slide van vorige week
  5. 5. ? @ErikDuval   h.p://erikduval.wordpress.com 5
  6. 6. Infovis Design 6
  7. 7. B. McDonnel and N. Elmqvist. Towards utilizing gpus in information visualization: A model and implementation of image-space operations. Visualization and Computer Graphics, IEEE Transactions on, 15(6):1105–1112, 2009. http://www.infovis-wiki.net/index.php/Visualization_Pipeline 7
  8. 8. Data - questions where, when, how often, … - audience domain & visualisation expertise, … - structure time, hierarchy, network, 1D, 2D, nD, … 8
  9. 9. S. Stevens. On the theory of scales of measurement. Science, 103(2684), 1946.
  10. 10. Visual mapping 10
  11. 11. Size 11 http://www.informationisbeautiful.net/2009/visualising-the-guardian-datablog/
  12. 12. Color 12 http://hcil2.cs.umd.edu/trs/99-16/99-16.html
  13. 13. 13 J. Mackinlay. Automating the design of graphical presentations of relational information. ACM Transactions On Graphics, 5(2): 110–141, 1986.
  14. 14. 14 J. Mackinlay. Automating the design of graphical presentations of relational information. ACM Transactions On Graphics, 5(2): 110–141, 1986.
  15. 15. http://www.ted.com/talks/hans_rosling_shows_the_best_stats_you_ve_ever_seen.html
  16. 16. Gestalt principles Law of Proximity The closer objects are to each other, the more likely they are to be perceived as a group (Ehrenstein, 2004) Law of Symmetry Objects must be balanced or symmetrical to be seen as complete or whole (Chang, 2002). 16 http://www.slideshare.net/chelsc/gestalt-laws-and-design-presentation http://en.wikipedia.org/wiki/Gestalt_psychology#Gestalt_laws_of_grouping
  17. 17. Gestalt principles Law of Similarity Objects that are similar, with like components or attributes are more likely to be organised together (Schamber, 1986). Law of Common Fate Objects with a common movement, that move in the same direction, at the same pace , at the same time are organised as a group (Ehrenstein, 2004). 17
  18. 18. Gestalt principles Law of Continuation Objects will be grouped as a whole if they are co-linear, or follow a direction (Chang, 2002; Lyons, 2001). Law of Isomorphism Is similarity that can be behavioural or perceptual, and can be a response based on the viewers previous experiences (Luchins & Luchins, 1999; Chang, 2002).This law is the basis for symbolism (Schamber, 1986). 18
  19. 19. Offer precise controls for sharing on the Internet... Users should navigate through 50 settings with more than 170 options Example Facebook privacy statement Questions? How did its complexity change over time? How does its length compare to privacy statements of other tools? 19
  20. 20. How did its complexity change over time? http://www.nytimes.com/interactive/2010/05/12/business/facebook-privacy.html20
  21. 21. How does its length compare to privacy statements of other tools? http://www.nytimes.com/interactive/2010/05/12/business/facebook-privacy.html21
  22. 22. ? @ErikDuval   h.p://erikduval.wordpress.com 22
  23. 23. tegen volgende week • slides posten op blog • blog post over wat je geleerd hebt • uit feedback, voorstellen andere groepen • geïllustreerd scenario • concreet, concreet, concreet • 15” per groep volgende week • eventueel data met bestaande tools visualiseren 23
  24. 24. ? @ErikDuval   h.p://erikduval.wordpress.com 24

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