Route Packing: Geospatially-Accurate Visualization of Route Networks

Zhao, Jieqiong
Karimzadeh, Morteza
Xu, Hanye
Malik, Abish
Afzal, Shehzad
Wang, Guizhen
Elmqvist, Niklas
Ebert, David
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We present route packing}, a novel (geo)visualization technique for displaying several routes simultaneously on a geographic map while preserving the geospatial layout, identity, directionality, and volume of individual routes. The technique collects variable-width route lines side by side while minimizing crossings, encodes them with categorical colors, and decorates them with glyphs to show their directions. Furthermore, nodes representing sources and sinks use glyphs to indicate whether routes stop at the node or merely pass through it. We conducted a crowd-sourced user study investigating route tracing performance with road networks visualized using our route packing technique. Our findings highlight the visual parameters under which the technique yields optimal performance.
Interactive Visual Analytics and Visualization for Decision Making – Making Sense of a Growing Digital World, design, road networks, route visualization, supply chain networks, user study
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