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INFORMATION VISUALIZATION
Alvitta Ottley Washington University in St. Louis CSE 557A | Sep 28, 2016
Slide Credits: Mariah Meyer, University of Utah Remco Chang, Tufts University
INFORMATION VISUALIZATION Alvitta Ottley Washington University in - - PowerPoint PPT Presentation
INFORMATION VISUALIZATION Alvitta Ottley Washington University in - - PowerPoint PPT Presentation
CSE 557A | Sep 28, 2016 INFORMATION VISUALIZATION Alvitta Ottley Washington University in St. Louis Slide Credits: Mariah Meyer, University of Utah Remco Chang, Tufts University Recap Visual Encoding identify (what and where) magnitude
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identify (what and where) magnitude (how much)
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identify (what and where) magnitude (how much)
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Expressiveness & effectiveness
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magnitude (how much) identify (what or where)
expressiveness
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Where do the ranking come from?
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encoding semantics
Ware 2010
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Today…
More on data mapping Multidimensional data
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IN CLASS EXERCISE
- 4 groups
- Each group is assigned a visual channel:
- shape, color, length, area
- Represent the following dataset using only
your visual channel Animal Times bitten Cat 2 Dog 12 Bird 6 Animal Color Cat brown Dog brown Bird blue Animal Level training Cat high Dog poor Bird fair
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EXAMPLE
Animal Times bitten Cat 2 Dog 12 Bird 6
2 4 6 8 10 12 14
C D B
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EXAMPLE
Animal Times bitten Cat 2 Dog 12 Bird 6 C D B Animal Color Cat brown Dog brown Bird blue
brown blue
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EXAMPLE
Animal Times bitten Cat 2 Dog 12 Bird 6 C D B Animal Level training Cat high Dog poor Bird fair
GOOD POOR
Level of training
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IN CLASS EXERCISE
- 4 groups of 4
- Each group is assigned a visual channel:
- shape, color, length, area
- Represent the following dataset using only
your visual channel Animal Times bitten Cat 2 Dog 12 Bird 6 Animal Color Cat brown Dog brown Bird blue Animal Level training Cat high Dog poor Bird fair
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WHAT ABOUT A TABLE WITH MORE DIMENSIONS?
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TABLE LENS
- Rao, Card (1994)
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TABLE LENS
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TABLE LENS
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TABLE LENS
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TABLE LENS
- Video: http://www.open-video.org/details.php?videoid=8304
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PARALLEL COORDINATES
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PARALLEL COORDINATES
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DIMENSION ORIENTATION
Dasgupta InfoVis 2010
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DIMENSION ORDERING
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DIMENSION ORDERING
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DENSITY REDUCTION
Johansson EuroVis 2008
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PROTOVIS DEMO
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LOTS OF EXTENSIONS…
Drosophila Gene Expression Data Exploration and Visualization Lawrence Berkeley National Lab
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LOTS OF EXTENSIONS…
Fanea et al. InfoVis 05 Villaveces, UNC / Renci Streit, Cytometry Part A, 2006
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Due next in 2 weeks
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