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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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Multiple View Strategies cs5984: Information Visualization Chris North
Quiz • 2 strategies for making overviews: • hammer: visually compress • Chainsaw: cut • Aggregate items or attrs • Eliminate items or attrs
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
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
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
Brushing and Linking • select select • Many attributes
Brushing and Linking • Multiple perspectives
Brushing and Linking • Multiple data types • Mutually exclusive structures
Overview and Detail • select navigate • Word • Webframes
Overview and Detail Many items, few attributes to Few items, many attributes (something about everything) (everything about something)
Overview and Detail • Drill down • 1:M • 3 levels: • folders • files • file
Synchronized Navigation • navigate navigate • E.g. synchronized scrolling
Synchronized Navigation • Isnt it nice? Dreamweaver macromedia
Quiz • Dynamic Queries?
Quiz Transitivity
Visualization SpreadSheet • Chi, “Visualization Spreadsheet” • Mudita, Abhi
Snap • North, “Snap-Together Visualization” • Varun, Kumar
Visage • Roth et al, CMU • Data-centric • Drag-and-drop data • Brushing • Sage: view construction • http://www-2.cs.cmu.edu/~sage/visage.html
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
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!