Group-based Object Alignment in Virtual Reality Environments

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PubDate: December 2022

Teams: Xi’an Jiaotong-Liverpool University;Simon Fraser University

Writers: Rongkai Shi;Jialin Zhang;Wolfgang Stuerzlinger;Hai-Ning Liang

PDF: Group-based Object Alignment in Virtual Reality Environments


Group-based object alignment is an essential manipulation task, particularly for complex scenes. In conventional 2D user interfaces, such alignment tasks are generally achieved via a command/menu-based interface. Virtual reality (VR) head-mounted displays (HMDs) provide a rich immersive interaction experience, which opens more design options for group-based object alignment interaction techniques. However, object alignment techniques in immersive environments are underexplored. In this paper, we present four interaction techniques for 3 degrees-of-freedom translational alignments: AlignPanel, AlignWidget, AlignPin, and AlignGesture. We evaluated their performance, workload, and usability in a user study with 20 participants. Our results indicate different benefits and drawbacks of these techniques for group-based alignment in immersive systems. Based on the findings, we distill a set of design choices and recommendations for these techniques in various application scenarios.

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