EuroVisShort2024

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Interaction Techniques for Exploratory Data Visualization on Mobile Devices
(The Eurographics Association, 2024) Snyder, Luke S.; Rossi, Ryan A.; Koh, Eunyee; Heer, Jeffrey; Hoffswell, Jane; Tominski, Christian; Waldner, Manuela; Wang, Bei
The ubiquity and on-the-go availability of mobile devices makes them central to many tasks such as interpersonal communication and media consumption. However, despite the potential of mobile devices for on-demand exploratory data visualization, existing mobile interactions are difficult, often using highly custom interactions, complex gestures, or multi-modal input. We synthesize limitations from the literature and outline four motivating principles for improved mobile interaction: leverage ubiquitous modalities, prioritize discoverability, enable rapid in-context data exploration, and promote graceful recovery. We then contribute thirteen interaction candidates and conduct a formative study with twelve participants who experienced our interactions in a testbed prototype. Based on these interviews, we discuss design considerations and tradeoffs from four main themes: precise and rapid inspection, focused navigation, single-touch and fixed orientation interaction, and judicious use of motion.