Figure 1. Three screen configurations and applications we derived from a design study.
ABSTRACTSize and resolution of computer screens are constantly increasing. Individual screens can easily be combined to wallsized displays. This enables computer displays that are folded, straight, bow shaped or even spread. As possibilities for arranging the screens are manifold, it is unclear what arrangements are appropriate. Moreover, it is unclear how content and applications should be arranged on such large displays. To determine guidelines for the arrangement of multiple screens and for content and application layouts, we conducted a design study. In the study, we asked 16 participants to arrange a large screen setup as well as to create layouts of multiple common application windows. Based on the results we provide a classification for screen arrangements and interaction areas. We identified, that screen space should be divided into a central area for interactive applications and peripheral areas, mainly for displaying additional content.
Previous work has shown that large high resolution displays (LHRDs) can enhance collaboration between users. As LHRDs allow free movement in front of the screen, an understanding of movement behavior is required to build successful interfaces for these devices. This paper presents Pac-Many; a multiplayer version of the classical computer game Pac-Man to study group dynamics when using LHRDs. We utilized smartphones as game controllers to enable free movement while playing the game. In a lab study, using a 4 m × 1 m LHRD, 24 participants (12 pairs) played Pac-Many in collaborative and competitive conditions. The results show that players in the collaborative condition divided screen space evenly. In contrast, competing players stood closer together to avoid benefits for the other player. We discuss how the nature of the task is important when designing and analyzing collaborative interfaces for LHRDs. Our work shows how to account for the spatial aspects of interaction with LHRDs to build immersive experiences.
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