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January 17, 2001 DAS – Univ. of Illinois at Urbana-Champaign
Using an Interactive Java-Based Environment to Facilitate
Visualization Comprehension
Daniel Bramer, Tim Scheitlin, Rajul Pandya, Ryan Deardorff, Dean Elliott, Ken Hay, Mary
Marlino, Don Middleton, Mohan Ramamurthy, Marianne Weingroff, and Robert Wilhelmson
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Visual Geophysical Exploration EnvironmentVGEE
Simpler Visualization EnvironmentGuidance for Key ConceptsIsolate Processes Within Complex Systems
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Java / GDV / VisAD
Java 1.3 (application)Easy exchange between VGEE components
Underlying 3D Viz. EnvironmentLeveraged from GDV and VisAD
GDV – 3D Gridded Data Viewer (UNIDATA)VisAD – Java Visualization Component Library (SSEC
/ UNIDATA / NCSA / Aus. Bureau of Meteorology
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Graphical User Interface (GUI)
Visualization StateTrack/update/change parameters
Launch new viz tools
Probe WindowDisplays specific isolated information from the overall visualization
Main DisplayDisplays visualization information
Interactive
Versatile
Uses canned and user supplied datasets
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VGEE GUI
Learner FriendlyExplore and Interact
in 3-DSame tools as
researchers, but set for survey level
Viz: El Nino avg. DJF vertical wind speed cross-section and isosurface
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Concept Models / Probes
Concept ModelsStand-AloneTeach basic principles in a user controlled
environmentProbes
Isolate processes form the overall systemRelate learned concepts to the “real” world
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Concept Models
TemperatureCondensationOcean EvaporationDry AdiabaticMoist AdiabaticCustom Moist AdiabaticEkman Wind BalanceCoriolis Force
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Probes
Same asConcept Models
Integrate with Dataset(s)
Viz: Height (plan) Temperature (cross-section) with jet (isosurface)
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Web site: www.dlese.org/vgee
Learner GuidesFocused Activities
Teacher GuidesGuidance
Work SubmissionEncyclopedia
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Implementation
West Chester UniversitySpring 2002
University of Illinois Summer / Fall 2002
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Acknowledgements
This project is funded by the National Science Foundation Division of Undergraduate Education Grant #DUE-9972491.
Websitehttp://www.dlese.org/vgee