Route packing: Geospatially-accurate visualization of route networks

Jieqiong Zhao, Morteza Karimzadeh, Hanye Xu, Abish Malik, Shehzad Afzal, Guizhen Wang, Niklas Elmqvist, David S. Ebert

Research output: Chapter in Book/Report/Conference proceedingConference contribution


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.
Original languageEnglish (US)
Title of host publicationProceedings of the 53rd Hawaii International Conference on System Sciences
PublisherHawaii International Conference on System Sciences
Number of pages10
ISBN (Print)9780998133133
StatePublished - 2020


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