A Novel Grid-Based Visualization Approach for Metabolic Networks with Advanced Focus&Context View
Rohrschneider, Markus and Heine, Christian and Reichenbach, André and Kerren, Andreas and Scheuermann, Gerik (2010) A Novel Grid-Based Visualization Approach for Metabolic Networks with Advanced Focus&Context View. In: Graph Drawing 17th International Symposium, GD 2009, September 22-25, 2009, Chicago, IL, USA , pp. 268-279 (Official URL: http://dx.doi.org/10.1007/978-3-642-11805-0_26).
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The universe of biochemical reactions in metabolic pathways can be modeled as a complex network structure augmented with domain speciﬁc annotations. Based on the functional properties of the involved reactions, metabolic networks are often clustered into so-called pathways inferred from expert knowledge. To support the domain expert in the exploration and analysis process, we follow the well-known Table Lens metaphor with the possibility to select multiple foci. In this paper, we introduce a novel approach to generate an interactive layout of such a metabolic network taking its hierarchical structure into account and present methods for navigation and exploration that preserve the mental map. The layout places the network nodes on a ﬁxed rectilinear grid and routes the edges orthogonally between the node positions. Our approach supports bundled edge routes heuristically minimizing a given cost function based on the number of bends, the number of edge crossings and the density of edges within a bundle.
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