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Communication Dans Un Congrès Année : 2010

3D Edge Bundling for Geographical Data Visualization

Résumé

Visualization of graphs containing many nodes and edges efficiently is quite challenging since representations generally suffer from visual clutter induced by the large amount of edge crossings and node-edge overlaps. That problem becomes even more important when nodes po- sitions are fixed, such as in geography were nodes posi- tions are set according to geographical coordinates. Edge bundling techniques can help to solve this issue by visu- ally merging edges along common routes but it can also help to reveal high-level edge patterns in the network and therefore to understand its overall organization. In this pa- per, we present a generalization of [18] to reduce the clut- ter in a 3D representation by routing edges into bundles as well as a GPU-based rendering method to emphasize bundles densities while preserving edge color. To visualize geographical networks in the context of the globe, we also provide a new technique allowing to bundle edges around and not across it.
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Dates et versions

hal-00495307 , version 1 (25-06-2010)

Identifiants

  • HAL Id : hal-00495307 , version 1

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Antoine Lambert, Romain Bourqui, David Auber. 3D Edge Bundling for Geographical Data Visualization. IV 2010 - 14th International Conference on Information Visualization, Jul 2010, London, United Kingdom. pp.329-335. ⟨hal-00495307⟩
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