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Eurographics/ IEEE-VGTC Symposium on Visualization 2010 G. Melanon, T. Munzner, and D. Weiskopf

Summary: Eurographics/ IEEE-VGTC Symposium on Visualization 2010
G. Melançon, T. Munzner, and D. Weiskopf
(Guest Editors)
Volume 29 (2010), Number 3
Effective Techniques to Visualize
Filament-Surface Relationships
A. Kuß, M. Gensel, B. Meyer, V. J. Dercksen, and S. Prohaska
Zuse Institute Berlin (ZIB)
Combined visualizations of filamentous structures and surrounding volumetric objects are common in biological
and medical applications. Often, the structures' spatial relationships remain unclear to the viewer. In this paper,
we discuss and evaluate techniques to emphasize spatial relationships. We concentrate on the visualization of
transparent objects and intersecting lines. Among various techniques, participants of an exploratory user study
preferred coloring of lines, marking of line-surface intersections by glyphs, and the combination of both. These
techniques were additionally evaluated in a confirmatory study in which participants were asked to judge whether
a filament runs through a transparent structure. We found that the evaluated techniques significantly improve the
participants' performance in terms of the number of correct responses and response time. The best performance
was found for the combination of line coloring and intersection glyph display.
Categories and Subject Descriptors (according to ACM CCS): Computer Graphics [I.3.6]: Methodology and Tech-
niques ­ Interaction Techniques--; Life and Medical Sciences [J.3]: Biology and Genetics--


Source: Andrzejak, Artur - Konrad-Zuse-Zentrum für Informationstechnik Berlin


Collections: Computer Technologies and Information Sciences