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Perceptual Evaluation of Common Line Variables for Displaying Uncertainty on Molecular Surfaces

  • Data are often subject to some degree of uncertainty, whether aleatory or epistemic. This applies both to experimental data acquired with sensors as well as to simulation data. Displaying these data and their uncertainty faithfully is crucial for gaining knowledge. Specifically, the effective communication of the uncertainty can influence the interpretation of the data and the users' trust in the visualization. However, uncertainty-aware visualization has gotten little attention in molecular visualization. When using the established molecular representations, the physicochemical attributes of the molecular data usually already occupy the common visual channels like shape, size, and color. Consequently, to encode uncertainty information, we need to open up another channel by using feature lines. Even though various line variables have been proposed for uncertainty visualizations, they have so far been primarily used for two-dimensional data and there has been little perceptual evaluation. Therefore, we conducted a perceptual study toData are often subject to some degree of uncertainty, whether aleatory or epistemic. This applies both to experimental data acquired with sensors as well as to simulation data. Displaying these data and their uncertainty faithfully is crucial for gaining knowledge. Specifically, the effective communication of the uncertainty can influence the interpretation of the data and the users' trust in the visualization. However, uncertainty-aware visualization has gotten little attention in molecular visualization. When using the established molecular representations, the physicochemical attributes of the molecular data usually already occupy the common visual channels like shape, size, and color. Consequently, to encode uncertainty information, we need to open up another channel by using feature lines. Even though various line variables have been proposed for uncertainty visualizations, they have so far been primarily used for two-dimensional data and there has been little perceptual evaluation. Therefore, we conducted a perceptual study to determine the suitability of the line variables sketchiness, dashing, grayscale, and width for distinguishing several uncertainty values on molecular surfaces.show moreshow less

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Metadaten
Author: Anna SterzikORCiD, Nils LichtenbergORCiD, Michael KroneORCiD, Douglas W. CunninghamORCiD, Kai LawonnORCiD
URL:https://diglib.eg.org/handle/10.2312/vcbm20221186
DOI:https://doi.org/10.2312/vcbm.20221186
ISBN:978-3-03868-177-9
ISSN:2070-5786
Title of the source (English):Eurographics Workshop on Visual Computing for Biology and Medicine
Publisher:The Eurographics Association
Editor: Renata G. Raidou, Björn Sommer, Torsten W. Kuhlen, Michael KroneORCiD, Thomas Schultz, Hsiang-Yun Wu
Document Type:Conference publication peer-reviewed
Language:English
Year of publication:2022
Tag:Applied computing; CCS Concepts; Computing methodologies; Empirical studies in visualization; Human centered computing; Imaging; Non-photorealistic rendering; Scientific visualization
First Page:41
Last Page:51
Faculty/Chair:Fakultät 1 MINT - Mathematik, Informatik, Physik, Elektro- und Informationstechnik / FG Praktische Informatik / Graphische Systeme
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