Upload
laurence-fleming
View
214
Download
0
Tags:
Embed Size (px)
Citation preview
4 September 2003 Robert Morris University 1
Thinking visually: A workshop with some attending ideas
Robert Joseph Skovira, Ph.D.Professor of Computer Information Systems
Robert Morris University, Pittsburgh PA USA Usability in Multimedia Environment
Bratislava, Slovakia3-5 September 2003
4 September 2003 Robert Morris University 2
Thinking visuallyIntroduction
Slovak grandfather’s workshop A workshop, assumptions &
constraints Tools Materials
Visual thinking Thinking visually
4 September 2003 Robert Morris University 3
Thinking visuallyThings to do - 1
Think visually about Bratislava Map pictorially home, town & city Situate pictorially Europe in its
global circumstance Do a political cartoon, local v
global
4 September 2003 Robert Morris University 4
Thinking visuallyVisual thinking is perception
“Visual perception is visual thinking.”
The seen Visualizing Imagery
4 September 2003 Robert Morris University 5
Thinking visuallyThinking visually is not perception
“To envision information…” Mental models & conceptual
models Making ideas & details visible Visual thoughts Maya’s “I show.”
4 September 2003 Robert Morris University 6
Thinking visuallyVisual conception example
A postcard showing Bratislava
4 September 2003 Robert Morris University 7
Thinking visuallyA classroom example
Neisser’s conceptual cycle
4 September 2003 Robert Morris University 8
Thinking visuallyTufte’s assumptions Experience is complex Things experienced are complex Communication is about experience Experiencing goes on in 3 space & time Multivariate analysis & description Communication in Flatland
4 September 2003 Robert Morris University 9
Thinking visuallyA small multiples example
My exercise regimen
4 September 2003 Robert Morris University 11
Thinking visuallyConceptual framework
Conceptual representation Situational Intentional An interpretation Visual architecture
4 September 2003 Robert Morris University 12
Thinking visuallyTufte’s assumptions Experience is complex Things experienced are complex Communication is about experience Experiencing goes on in 3 space & time
4 September 2003 Robert Morris University 13
Thinking visuallyTufte’s constraints Use 2 dimensional objects And surfaces To render 4 dimensional experience
4 September 2003 Robert Morris University 14
Thinking visuallyTufte’s thinking visually problem
Representation of 4 dimensional experiences & ideas On 2 dimensional surfaces By showing experiential complexities
4 September 2003 Robert Morris University 15
Thinking visuallyTufte’s thinking visually methods Macro-micro or general-specific Layering & separation Multiple small images Color Time & space stories
4 September 2003 Robert Morris University 16
Thinking visuallyTufte’s macro-micro perspective Macro: context, generality Micro: details Information-thick world Wholeness & multiplicity Systems & parts View & details Global & local
4 September 2003 Robert Morris University 17
Thinking visuallyTufte’s macro-micro method Comparative Contexts: macro To clarify, add details: micro Details create graphical density Details represent complexity High density design: multiple reads Multiple reads or interpretations An interpretation: a mental model Thick descriptions (Geertz)
4 September 2003 Robert Morris University 18
Thinking visuallyTufte’s layers & separators Visual stratification Enhances dimensionality & density Generates hierarchy of visual affects Increases visual editing Directs attention Gives figure & ground Interactive affects 1 + 1 = 3 or more Color
4 September 2003 Robert Morris University 19
Thinking visuallyTufte’s small multiples Multivariate & dense Comparative & quantitative thinking Visual comparison, no memory work Informational slices Isolates & contextualizes details Forces maintenance of context
4 September 2003 Robert Morris University 20
Thinking visuallyTufte’s color Labels Measures Represents Enlivens Contours Accents & highlights Points & references Improves informational resolution Bezold Effect -- interactive
4 September 2003 Robert Morris University 21
Thinking visuallyTufte’s time & space narratives
3 space & time stories Dimensions of experience P-time & M-time (Hall)
4 September 2003 Robert Morris University 22
Thinking visuallyTufte’s moral premise
Audience is Intelligent Attentive Busy Diverse visualizing styles