Visualization Models & Frameworks
Visualization
Models & Frameworks
Lecture Overview Visualization View vs Framework Navigation Internal Models Model Formation Model Interpretation Browsing Strategy
Visualization …
Framework …
Navigation Framework for Navigation
Content
Browsing Strategy
Interpretation
InternalModel
Browse
Formulate abrowsing strategy Internalization
Model
Navigation
Norman’s Action Cycle
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Evaluation Interpretation Perception
Form Intention
From Action Plan
Execute Action
GOAL Change in World
Gulf of Evaluation
Gulf of Execution
Internal Models Cognitive Maps – mental map of external
Cognitive Collage - misinterpretations
Incompleteness – missing connections
Resistance to Change – internal vs external
Inertial Effects – transitions vs speed
Model Robustness - familiarity
Model Formation Externalization – view to build internal model
Perception & Cognition – see vs understand
Weighted Browsing – selective attention
Externalization for Browsing - how to show data
Influence as Content – register cause vs effect
Short-term Memory – storage vs processing
7 ± 2 – limit implication for tagging
Limiting Distraction Limit the number
of options on the screen at a time.
9http://www.wildsalmon.org/library/map2.cfm
Limit the amount of information visible.
http://edition.cnn.com/TECH/space/interactive.archive/Explore layers of the earth
Model Interpretation Interpretation of Externalized Data
views for large data setscontext versus detailsensitivity
Model Interpretation Model Adequacy
domain knowledgeexperience
y
x
A Good Model? y
x
The Actual Relationship
y
x
Browsing Strategy Browsing
What is there? What to look at in more depth?
Perceptual DeterminantFormulation of strategyBased on display
Cognitive Determinant Interpretation or new ideas Independent of display
Browsing Strategy – House Search
“Let’s offer more moneyand see what’s available.”
“Let’s dip randomly intothe brochure.”
“Let’s work our waythrough the houseswe tagged.”
“Wow! There’s a cheap5-bedroom house! Let’s have a look.”
Planned Strategy
Opportunistic Strategy
CognitiveDeterminant
PerceptualDeterminant
Browsing Strategy via Framework
IBM’s Auto Kioskhttp://www-106.ibm.com/developerworks/library/us-atex/
Beyond Recent Paradigms Mostly task specific/focused
most purely developed for visualizationexamples: OpenDX, IRIS Explorer, AVS, Viper*
Tradeoff between stability and flexibility Do not age well Are mostly extremely dependent on their
function and internal data structures Do not allow for new execution paradigms Large packages Hard to port and share
Enabling Solutions for New Needs More intuitive ways of understanding
large simulation assembly large simulation performance and debuggingdata sharingbetter convey information to [new] users
Needs more simplicity and more flexibilityportabledetached from the executing codeallow for new visual paradigmsshareable
Generalizing Visualization Environments More intuitive ways to
Link work “modules” togetherWays to process dataWays to set up simulationsWays to set up, monitor, and steer
complicated, large, long running, remote batch jobs
Focus on not ‘re-inventing the wheel’
Framework Summary
Goal:Isolate visual layer, to enable new
paradigms and better interactionOffer clear view of system’s stateAllow precise and efficient control
Review of Lecture Internal Models
Navigation Internal Models Model Formation Model Interpretation Browsing Strategy
Frameworks More simplicity and more flexibility Portable Detached from the executing code allow for new visual paradigms shareable
Lab Assignment Explore both visualizations. Compare how systems support user’s
mental models and browsing/learning. Submit brief analysis.
20http://www.wildsalmon.org/library/map2.cfm
http://edition.cnn.com/TECH/space/interactive.archive/Columbia & Snake Rivers
Interactive Map Explore layersof the earth
Lab Assignment - Cont. Explore the
visualization periodic chart...
What will be useful for your major project?
21
http://www.visual-literacy.org/periodic_table/periodic_table.html#
01/30/2007 01:05 AMA Periodic Table of Visualization Methods
Page 1 of 1http://www.visual-literacy.org/periodic_table/periodic_table.html#
Thanks toCindyVeitch