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Issue No.07 - July (2011 vol.17)
pp: 934-946
Johannes Kehrer , University of Bergen, Bergen
Philipp Muigg , SimVis GmbH and Vienna University of Technology, Vienna
Helmut Doleisch , SimVis GmbH, Vienna
Helwig Hauser , University of Bergen, Bergen
ABSTRACT
We present a systematic approach to the interactive visual analysis of heterogeneous scientific data. The data consist of two interrelated parts given on spatial grids over time (e.g., atmosphere and ocean part from a coupled climate model). By integrating both data parts in a framework of coordinated multiple views (with linking and brushing), the joint investigation of features across the data parts is enabled. An interface is constructed between the data parts that specifies 1) which grid cells in one part are related to grid cells in the other part, and vice versa, 2) how selections (in terms of feature extraction via brushing) are transferred between the two parts, and 3) how an update mechanism keeps the feature specification in both data parts consistent during the analysis. We also propose strategies for visual analysis that result in an iterative refinement of features specified across both data parts. Our approach is demonstrated in the context of a complex simulation of fluid-structure interaction and a multirun climate simulation.
INDEX TERMS
Interactive visual analysis, heterogeneous scientific data, coordinated multiple views.
CITATION
Johannes Kehrer, Philipp Muigg, Helmut Doleisch, Helwig Hauser, "Interactive Visual Analysis of Heterogeneous Scientific Data across an Interface", IEEE Transactions on Visualization & Computer Graphics, vol.17, no. 7, pp. 934-946, July 2011, doi:10.1109/TVCG.2010.111
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