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Strategies for Visualization: Multiple Views & Linked Perspectives

Learn about visualizing complex data by employing multiple views and linked perspectives. Understand the strategies for making overviews and how to aggregate or eliminate items. Enhance your information visualization skills with coordinated views and user interactions. Explore different linking strategies and create informative visualizations with diverse data types. Dive into the world of visualization spreadsheets and dynamic queries. Get ready to design zoomable visualizations using Jazz HiNote for an engaging learning experience. Let your creativity shine in crafting information spaces for various topics. Homework assignment includes analyzing zooming concepts and designing a unique visualization.

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Strategies for Visualization: Multiple Views & Linked Perspectives

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  1. Multiple View Strategies cs5984: Information Visualization Chris North

  2. Quiz • 2 strategies for making overviews: • hammer: visually compress • Chainsaw: cut • Aggregate items or attrs • Eliminate items or attrs

  3. Problem • Can’t display everything in one view • Scale: • Many attributes • Many items • Complex data • Multiple data tables(Relational databases) • Multiple data types(e.g. tables, images) • Need different visualizations for different parts of data

  4. Solution • Multiple Views • Linked • a.k.a. Tightly coupled, Coordinated views • User interaction in one view affects other view(s) Separates data into parts Ties parts together

  5. Strategies for Linking A Rough Taxonomy: • Link = link between actions in two views • 3 possible combinations: • select  select: Brushing and Linking • select  navigate: Overview and Detail • navigate  navigate: Synchronized Navigation select, navigate link select, navigate

  6. Brushing and Linking • select  select • Many attributes

  7. Brushing and Linking • Multiple perspectives

  8. Brushing and Linking • Multiple data types • Mutually exclusive structures

  9. Overview and Detail • select  navigate • Word • Webframes

  10. Overview and Detail Many items, few attributes to Few items, many attributes (something about everything) (everything about something)

  11. Overview and Detail • Drill down • 1:M • 3 levels: • folders • files • file

  12. Synchronized Navigation • navigate  navigate • E.g. synchronized scrolling

  13. Synchronized Navigation • Isnt it nice? Dreamweaver macromedia

  14. Quiz • Dynamic Queries?

  15. Quiz Transitivity

  16. Visualization SpreadSheet • Chi, “Visualization Spreadsheet” • Mudita, Abhi

  17. Snap • North, “Snap-Together Visualization” • Varun, Kumar

  18. Visage • Roth et al, CMU • Data-centric • Drag-and-drop data • Brushing • Sage: view construction • http://www-2.cs.cmu.edu/~sage/visage.html

  19. Next Week • Book chapter 8 • Tues: Trees • Rao, “Hyperbolic Trees” • david, harsha • Robertson, “Cone Trees” • anuj, atul • Thurs: Trees • Johnson, “Treemaps” • vishal, jeevak • Beaudoin, “Cheops” • jon, mudita

  20. Homework #3 • Due Thurs Nov 1 • See website for important details • Zoomable visualization design • Use Jazz HiNote to create an information space • Topic ideas: hobby, life story, event, academic field • Goal: help someone learn about topic • 1 page report: analysis of zooming concept, your design • Be creative, have fun! • http://infovis.cs.vt.edu/cs5984/homework3/chnorth1.html • http://vtopus.cs.vt.edu/~north/infoviz/hinoteapplet.html New!

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