Multiple View Strategies

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Multiple View Strategies

• cs5984 Information Visualization
• Chris North

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Quiz

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

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Problem

• Cant 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

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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
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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
select, navigate
link
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Brushing and Linking

• select ? select
• Many attributes

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Brushing and Linking

• Multiple perspectives

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Brushing and Linking

• Multiple data types
• Mutually exclusive structures

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Overview and Detail

• select ? navigate
• Word
• Webframes

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Overview and Detail

• Many items, few attributes to Few items, many
  attributes
• (something about everything)
  (everything about something)

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Overview and Detail

• Drill down
• 1M
• 3 levels
• folders
• files
• file

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Synchronized Navigation

• navigate ? navigate
• E.g. synchronized scrolling

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Synchronized Navigation

• Isnt it nice? Dreamweaver macromedia

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Quiz

• Dynamic Queries?

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Quiz
Transitivity
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Visualization SpreadSheet

• Chi, Visualization Spreadsheet
• Mudita, Abhi

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Snap

• North, Snap-Together Visualization
• Varun, Kumar

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Web Logs
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Census Data
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Photo Library
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Mailing List
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Visage

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

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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

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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/hinoteapple
  t.html

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