An Evaluation of Glyph Perception for Real Symmetric Traceless Tensor Properties

A perceptual study of four tensor glyphs for symmetric, real, traceless tensors was performed. Each glyph encodes three properties of the system: Orientation, uniaxiality (alignment along the direction of orientation), and biaxiality (alignment along a vector orthogonal to the orientation). Thirty u...

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Bibliographic Details
Published in:Computer graphics forum Vol. 29; no. 3; pp. 1133 - 1142
Main Authors: Jankun-Kelly, T.J., Lanka, Y.S., Swan II, J.E.
Format: Journal Article
Language:English
Published: Oxford, UK Blackwell Publishing Ltd 01.06.2010
Subjects:
Alignment
and object representations
C (programming language)
Computer graphics
I.3.3 [Computer Graphics]: Picture/Image Generation
I.3.5 [Computer Graphics]: Computational Geometry and Object Modeling-Curve
I.3.5 [Computer Graphics]: Computational Geometry and Object Modeling—Curve, surface, solid, and object representations
Mathematical analysis
Orientation
Perception
Perceptions
Performance evaluation
Permutations
solid
Studies
surface
Tensors
Vectors (mathematics)
ISSN:0167-7055, 1467-8659
Online Access:Get full text
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Summary:A perceptual study of four tensor glyphs for symmetric, real, traceless tensors was performed. Each glyph encodes three properties of the system: Orientation, uniaxiality (alignment along the direction of orientation), and biaxiality (alignment along a vector orthogonal to the orientation). Thirty users over two studies were asked to identify these three properties for each glyph type under a variety of permutations in order to evaluate the effectiveness of visually communicating the properties; response time was also measured. We discuss the significant differences found between the methods as guidance to the use of these glyphs for traceless tensor visualization.
Bibliography:ArticleID:CGF1711
istex:E1503DED36FFD4EF09426BBEB598EDC379ADB301
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ISSN:0167-7055
1467-8659
DOI:10.1111/j.1467-8659.2009.01711.x