The Spherical Retractable Bubble Space: an Egocentric Graph Visualization throughout a Retractable Visualization Space
Résumé
In this paper we present a new egocentric metaphor for graph visualization that consists in positioning a graph between two concentric spheres of different radii. It improves the expansion of the nodes in space, contrary to the 3D spatialization algorithms. Edge drawing is optimized by pushing all the edges into the area delimited by our two concentric spheres, so that a user can move freely without being encumbered by edges. Our new metaphor also makes it possible to reduce the display angles to have a global view of the graph without leaving the egocentricity.
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