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Erschienen in:
2007 | OriginalPaper | Buchkapitel
Topology Based Flow Analysis and Superposition Effects
verfasst von : Julia Ebling, Alexander Wiebel, Christoph Garth, Gerik Scheuermann
Erschienen in: Topology-based Methods in Visualization
Verlag: Springer Berlin Heidelberg
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Using topology for feature analysis in flow fields faces several problems. First of all, not all features can be detected using topology based methods. Second, while in flow feature analysis the user is interested in a quantification of feature parameters like position, size, shape, radial velocity and other parameters of feature models, many of these parameters can not be determined using topology based methods alone. Additionally, in some applications it is advantageous to regard the vector field as a superposition of several, possibly simple, features. As topology based methods are quite sensitive to superposition effects, their precision and usability is limited in these cases. In this paper, topology based analysis and visualization of flow fields is estimated and compared to other feature based approaches demonstrating these problems.