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Surface Glyphs for Efficient Visualization of Spatial Multivariate Data
Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science. Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Human-Computer Interaction. Människa-datorinteraktion.
Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Human-Computer Interaction.
Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science. Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Human-Computer Interaction. Människa-datorinteraktion.
2006 (English)In: Information Visualization, ISSN 1473-8716, Vol. 5, 112-124 p.Article in journal (Refereed) Published
Abstract [en]

We present a first effort to evaluate the possible utility of a new type of surface glyphs intended for visualizations of multivariate spatial data. The glyphs are based on results from vision research suggesting that our perception of metric 3D structure is distorted and imprecise relative to the actual scene before us; only a class of qualitative properties of the scene is perceived with accuracy. These properties are best characterized as being invariant over affine but not Euclidean transformations. A large number of possible 3D glyphs for the visualization of spatial data can be constructed using such properties. One group is based on the local sign of surface curvature. We investigated these properties in two visualization experiments. The results show that available sources of 3D structural information were sufficient for our subjects to make fast and accurate judgments. Some implications for visualization are discussed.

Place, publisher, year, edition, pages
2006. Vol. 5, 112-124 p.
Keyword [en]
Multidimensional visualization, perception, 3D structure, surface glyphs, glyphs
Identifiers
URN: urn:nbn:se:uu:diva-77316OAI: oai:DiVA.org:uu-77316DiVA: diva2:105228
Available from: 2006-11-30 Created: 2006-11-30 Last updated: 2011-01-11

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Forsell, CamillaSeipel, StefanLind, Mats

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CiteExportLink to record
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