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Joint EUROGRAPHICS -IEEE TCVG Symposium on Visualization (2004) O. Deussen, C. Hansen, D.A. Keim, D. Saupe (Editors)
 

Summary: Joint EUROGRAPHICS - IEEE TCVG Symposium on Visualization (2004)
O. Deussen, C. Hansen, D.A. Keim, D. Saupe (Editors)
Boundary Switch Connectors for Topological Visualization of
Complex 3D Vector Fields
T. Weinkauf1
, H. Theisel2
, H.-C. Hege1
and H.-P. Seidel2
1 Zuse Institute Berlin (ZIB), Berlin, Germany -- {weinkauf, hege}@zib.de
2 MPI Informatik, Saarbrücken, Germany -- {theisel, hpseidel}@mpi-sb.mpg.de
Abstract
One of the reasons that topological methods have a limited popularity for the visualization of complex 3D flow
fields is the fact that their topological structures contain a number of separating stream surfaces. Since these
stream surfaces tend to hide each other as well as other topological features, for complex 3D topologies the
visualizations become cluttered and hardly interpretable. One solution of this problem is the recently introduced
concept of saddle connectors which treats separation surfaces emanating from critical points. In this paper we
extend this concept to separation surfaces starting from boundary switch curves. This way we obtain a number
of particular stream lines called boundary switch connectors. They connect either two boundary switch curves
or a boundary switch curve with a saddle. We discuss properties and computational issues of boundary switch
connectors and apply them to topologically complex flow data.

  

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

 

Collections: Computer Technologies and Information Sciences