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Eurographics/ IEEE-VGTC Symposium on Visualization (2006) Thomas Ertl, Ken Joy, and Beatriz Santos (Editors)
 

Summary: Eurographics/ IEEE-VGTC Symposium on Visualization (2006)
Thomas Ertl, Ken Joy, and Beatriz Santos (Editors)
Path Line Oriented Topology for
Periodic 2D Time-Dependent Vector Fields
K. Shi1
, H. Theisel1
, T. Weinkauf2
, H. Hauser3
, H.-C. Hege2
and H.-P. Seidel1
1 MPI Informatik, Saarbrücken, Germany -- {skyshi, theisel, hpseidel}@mpi-inf.mpg.de
2 Zuse Institute Berlin (ZIB), Berlin, Germany -- {weinkauf, hege}@zib.de
3 VRVis Vienna, Austria -- hauser@vrvis.at
Abstract
This paper presents an approach to extracting a path line oriented topological segmentation for periodic 2D time-
dependent vector fields. Topological methods aiming in capturing the asymptotic behavior of path lines rarely exist
because path lines are usually only defined over a fixed time-interval, making statements about their asymptotic
behavior impossible. For the data class of periodic vector fields, this restriction does not apply any more. Our
approach detects critical path lines as well as basins from which the path lines converge to the critical ones. We
demonstrate our approach on a number of test data sets.

  

Source: Andrzejak, Artur - Konrad-Zuse-Zentrum für Informationstechnik Berlin

 

Collections: Computer Technologies and Information Sciences