Název: A hierarchical splitting scheme to reveal insight into highly self-occluded integral surfaces
Autoři: Brambilla, Andrea
Viola, Ivan
Hauser, Helwig
Citace zdrojového dokumentu: Journal of WSCG. 2012, vol. 20, no. 1, p. 57-64.
Datum vydání: 2012
Nakladatel: Václav Skala - UNION Agency
Typ dokumentu: article
článek
URI: http://wscg.zcu.cz/WSCG2012/!_2012-Journal-Full-1.pdf
http://hdl.handle.net/11025/1059
ISSN: 1213-6972 (hardcopy)
1213–6980 (CD-ROM)
1213–6964 (on-line)
Klíčová slova: vizualizace toku;ilustrativní vizualizace;řízení okluze
Klíčová slova v dalším jazyce: flow visualization;illustrative visualization;occlusion management
Abstrakt: In flow visualization, integral surfaces are of particular interest for their ability to describe trajectories of massless particles. In areas of swirling motion, integral surfaces can become very complex and difficult to understand. Taking inspiration from traditional illustration techniques, such as cut-aways and exploded views, we propose a surface analysis tool based on surface splitting and focus+context visualization. Our surface splitting scheme is hierarchical and at every level of the hierarchy the best cut is chosen according to a surface complexity metric. In order to make the interpretation of the resulting pieces straightforward, cuts are always made along isocurves of specific flow attributes. Moreover, a degree of interest can be specified, so that the splitting procedure attempts to unveil the occluded interesting areas. Through practical examples, we show that our approach is able to overcome the lack of understanding originating from structural occlusion.
Práva: © Václav Skala - UNION Agency
Vyskytuje se v kolekcích:Number 1 (2012)

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