Galilean Invariant Extraction and Iconic Representation of Vortex Core Lines

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Date
2005
Journal Title
Journal ISSN
Volume Title
Publisher
The Eurographics Association
Abstract
While vortex region quantities are Galilean invariant, most methods for extracting vortex cores depend on the frame of reference. We present an approach to extracting vortex core lines independently of the frame of reference by extracting ridge and valley lines of Galilean invariant vortex region quantities. We discuss a generalization of this concept leading to higher dimensional features. For the visualization of extracted line features we use an iconic representation indicating their scale and extent. We apply our approach to datasets from numerical simulations and experimental measurements.
Description

        
@inproceedings{
:10.2312/VisSym/EuroVis05/151-160
, booktitle = {
EUROVIS 2005: Eurographics / IEEE VGTC Symposium on Visualization
}, editor = {
Ken Brodlie and David Duke and Ken Joy
}, title = {{
Galilean Invariant Extraction and Iconic Representation of Vortex Core Lines
}}, author = {
Sahner, Jan
and
Weinkauf, Tino
and
Hege, Hans-Christian
}, year = {
2005
}, publisher = {
The Eurographics Association
}, ISSN = {
1727-5296
}, ISBN = {
3-905673-19-3
}, DOI = {
/10.2312/VisSym/EuroVis05/151-160
} }
Citation