Oct 2026· Proceedings of the 2026 ACM Symposium on Spatial User Interaction· 0 citations· 6 references
TL;DR
Primary participant-level analyses show that display count is the dominant factor, severely degrading performance and increasing workload, and layout effects are secondary but become critical under high density, where spherical and stacked arrangements introduce significant performance and physical trade-offs.
Abstract
Augmented reality (AR) workspaces allow flexible placement of virtual displays, but the joint effects of layout geometry and display count remain unclear. We conducted two within-subjects studies (N = 20 each) evaluating four layouts (flat, cylindrical, spherical, stacked) under sparse (4) and dense (15) display counts. Primary participant-level analyses show that display count is the dominant factor, severely degrading performance and increasing workload (p <.005). Layout effects are secondary but become critical under high density, where spherical and stacked arrangements introduce significant performance and physical trade-offs. Gaze-derived metrics reveal layout-specific attentional adaptations, offering new insights for spatial UI design.
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