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Detection and visualization of closed streamlines in planar flows

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2 Author(s)
Wischgoll, T. ; Fachbereich Inf., Kaiserslautern Univ., Germany ; Scheuermann, G.

The analysis and visualization of flows is a central problem in visualization. Topology-based methods have gained increasing interest in recent years. This article describes a method for the detection of closed streamlines in flows. It is based on a special treatment of cases where a streamline reenters a cell to prevent infinite cycling during streamline calculation. The algorithm checks for possible exits of a loop of crossed edges and detects structurally stable closed streamlines. These global features are not detected by conventional topology and feature detection algorithms

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Visualization and Computer Graphics, IEEE Transactions on  (Volume:7 ,  Issue: 2 )