Detection and Visualization of Closed Streamlines in Planar Flows

  • Authors:
  • Thomas Wischgoll;Gerik Scheuermann

  • Affiliations:
  • -;-

  • Venue:
  • IEEE Transactions on Visualization and Computer Graphics
  • Year:
  • 2001

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Abstract

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.