Page 1
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
The Table Lens:
Merging Graphical and Symbolic Representations in an Interactive Focus+Context Visualization for Tabular Information
Ramana RaoStuart K. Card (Xerox PARC)
ACM CHI 1994
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Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Overview
Paper DescriptionContributions References CritiqueWhat has happened to Table Lenses?
Page 3
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Mini Demo
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Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper Description
Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 5
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionWhat are Table Lenses good for?
to make Sense of large Tablesto effectively analyze large Spreadsheetsto solve more Problems on small Screens
they use a Focus&Context/ Fisheye Technique
Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 6
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionDesign of Table Lenses
In the Design they consideredProperties of Tables:
Regularity of Content-> preserve coherence of rows & columns
despite distortions.
Rows and Columns are independent-> independent distortion in both directions.-> multiple focal areas possible.
Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 7
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionDesign of Table Lenses
Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 8
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionDistortion Framework
DOI Function (Degree of Interest - by Furnas)
maps from item to valuecontrols space allocation of cells
Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 9
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionDistortion Framework
DOI Function (Degree of Interest - by Furnas)
maps from item to valuecontrols space allocation of cells
Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 10
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionDistortion Framework
DOI Function (Degree of Interest - by Furnas)
maps from item to valuecontrols space allocation of cells
Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 11
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionDistortion Framework
DOI Function (Degree of Interest - by Furnas)
maps from item to valuecontrols space allocation of cells
Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 12
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionDistortion Framework
DOI Function (Degree of Interest - by Furnas)maps from item to valuecontrols space allocation of cells
Transfer Function: Integral of DOI
Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 13
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionDistortion Framework
Compared to sooner approaches:
Perspective Wall
Document Lens
DOI flat topped mountain with sloped regions
Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 14
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionInteractive Manipulation
Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 15
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionInteractive Manipulation
3 basic Manipulations:Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 16
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionInteractive Manipulation
3 basic Manipulations:Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 17
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionInteractive Manipulation
3 basic Manipulations:Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 18
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionInteractive Manipulation
3 basic Manipulations:Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 19
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionInteractive Manipulation
3 basic Manipulations:Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 20
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionInteractive Manipulation
3 basic Manipulations:Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 21
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionInteractive Manipulation
3 basic Manipulations:Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 22
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper DescriptionInteractive Manipulation
3 basic Manipulations:Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 23
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper Description
Different graphical representations of Content
Graphical Vocabulary:Text, Color, Shading, Length, Position
Determined by 6 Factors:
Value Value Type (quantitative vs. categorial)Region Type (focal...) Cell Size User's Choice (e.g. left = 0)Spotlights
Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 24
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper Description
Manipulation of Focus:pointer gestures & control pointsgrasping & dragging
different operators on columns: sorting, rearranging, calculating new columns
Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 25
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Paper Description
See Demo later.Introduction
Focus+ContextTechnique
Graphical Map-ping Scheme
User Interface
Data AnalysisScenarios
Page 26
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
My favourite Sentence
"The combination of our focus+context technique and graphical mapping scheme, with a small set of interactive operatorsenables performing exploratory data analysisin a highly interactive and natural manner."
Page 27
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Contributions
They applied Focus&Context Technique to tables of data.
The technique allows to integrate detailed symbolic data with less detailed graphicalrepresentations.
Precise description of - specific Focus+Context technique- specific interaction techniques- graphical mapping scheme
Page 28
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
1993 Stretching rubber sheet:(Sarkar, Snibbe, Reiss)Document Lens +3D Interactive Animation(Robertson, MacKinlay)
Notes on References
1982 Bifocal Display (Spence & Apperley)1986 Fisheye Views (Furnas)
1991 Perspective Wall (MacKinlay, Robertson, Card)
1992 Fisheye Views for Graphs (Sarkar & Brown)
Page 29
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
1993 Stretching rubber sheet:(Sarkar, Snibbe, Reiss)Document Lens +3D Interactive Animation(Robertson, MacKinlay)
Notes on References
1982 Bifocal Display (Spence & Apperley)1986 Fisheye Views (Furnas)
1991 Perspective Wall (MacKinlay, Robertson, Card)
1992 Fisheye Views for Graphs (Sarkar & Brown)
Page 30
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
1993 Stretching rubber sheet:(Sarkar, Snibbe, Reiss)Document Lens +3D Interactive Animation(Robertson, MacKinlay)
Notes on References
1982 Bifocal Display (Spence & Apperley)1986 Fisheye Views (Furnas)
1991 Perspective Wall (MacKinlay, Robertson, Card)
1992 Fisheye Views for Graphs (Sarkar & Brown)
Page 31
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
1993 Stretching rubber sheet:(Sarkar, Snibbe, Reiss)Document Lens +3D Interactive Animation(Robertson, MacKinlay)
Notes on References
1982 Bifocal Display (Spence & Apperley)1986 Fisheye Views (Furnas)
1991 Perspective Wall (MacKinlay, Robertson, Card)
1992 Fisheye Views for Graphs (Sarkar & Brown)
Page 32
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
1993 Stretching rubber sheet:(Sarkar, Snibbe, Reiss)Document Lens +3D Interactive Animation(Robertson, MacKinlay)
Notes on References
1982 Bifocal Display (Spence & Apperley)1986 Fisheye Views (Furnas)
1991 Perspective Wall (MacKinlay, Robertson, Card)
1992 Fisheye Views for Graphs (Sarkar & Brown)
Page 33
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
1993 Stretching rubber sheet:(Sarkar, Snibbe, Reiss)Document Lens +3D Interactive Animation(Robertson, MacKinlay)
Notes on References
1982 Bifocal Display (Spence & Apperley)1986 Fisheye Views (Furnas)
1991 Perspective Wall (MacKinlay, Robertson, Card)
1992 Fisheye Views for Graphs (Sarkar & Brown)
Page 34
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
1993 Stretching rubber sheet:(Sarkar, Snibbe, Reiss)Document Lens +3D Interactive Animation(Robertson, MacKinlay)
Notes on References
1982 Bifocal Display (Spence & Apperley)1986 Fisheye Views (Furnas)
1991 Perspective Wall (MacKinlay, Robertson, Card)
1992 Fisheye Views for Graphs (Sarkar & Brown)
Page 35
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
1993 Stretching rubber sheet:(Sarkar, Snibbe, Reiss)Document Lens +3D Interactive Animation(Robertson, MacKinlay)
Notes on References
1982 Bifocal Display (Spence & Apperley)1986 Fisheye Views (Furnas)
1991 Perspective Wall (MacKinlay, Robertson, Card)
1992 Fisheye Views for Graphs (Sarkar & Brown)
Page 36
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Critique: Strengths
Provide a new technique which seems to behighly usable.
Large field of possible application.(Spreadsheets, tabular data).
Good structure of paper: F+C / Interaction / Graphical Mapping
Page 37
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
Critique: Weaknesses
They didn't show limitations of their approachnumbers of items possible kinds of analysis
Ways of analysis were not formally described.
No study was made.
Baseball examples are not globally understandable.
No Labels on axes.
Page 38
Matthias Mayer The Table Lens - Ramana Rao & Stuart K. Card
Information Visualization 838b - February 21st [email protected]
What has happened to this topic?
TableLens was sold by InXight, a Xerox Spinoff Company.
Now Eureka 1.1.txt+csv+xls - importdatabase queriesgroupingfilteringweb-export
30 days trial: www.inxight.com