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hierarchical_edge_bundle.jpg
a novel method for visualizing compound graphs, which typically show hierarchical relations between items. hierarchical edge bundling is based on the principle of visually bundling adjacency edges together analogous to the way electrical wires & network cables are merged into bundles along their joint paths & fanned out again at the end, in order to make an otherwise tangled web of wires & cables more manageable. it reduces visual clutter & can be used in conjunction with existing tree visualization techniques.

this academic work received the best paper award at the Infovis 2006 conference.

reminds me a bit of thinking machine & pivotgraph.

[links: tue.nl (pdf) & tue.nl|thnkx Danny]

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hierarchical_edge_bundle2.jpg

hierarchical_edge_bundle3.jpg

2 COMMENTS

Mmm, I think you are showing the wrong pictures here. These images show how relationships are usually visualized, namely as straight lines or arcs, resulting in visual clutter. It does not show Danny's bundling, obtained by expoiting hierarchy information, leading to a reduced visual clutter.

Fri 23 Mar 2007 at 9:25 PM

dennie, very well spotted! for this post, I made the mistake to select the pictures before reading the text.

I have added some more figures to more thruthfully illustrate Danny's work.

Sun 25 Mar 2007 at 8:05 PM
infosthetics
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