AROMA: abstract representation of presence supporting mutual awareness
Proceedings of the ACM SIGCHI Conference on Human factors in computing systems
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Real time groupware systems are now moving away from strict view-sharing and towards relaxed “what-you-see-is-what-I-see” interfaces, where distributed participants in a real time session can view different parts of a shared visual workspace. As with strict view-sharing, people using relaxed-WYSIWIS require a sense of workspace awareness—the up-to-the-minute knowledge aobut another person's interactions with the shared workspace. The problem is deciding how to provide a user with an appropriate level of awareness of what other participants are doing when they are working in different areas of the workspace. In this video, we illustrate distortion oriented displays as a novel way of providing this awareness. These displays, which employ magnification lenses and fisheye view techniques, show global context and local detail within a single window, both peripheral and detailed awareness of other participants' actions. Three prototypes are presented as examples of groupware distortion-oriented displays. The head-up lens uses a see-through lens to show full-sized local detail in the foreground, and a miniature overview showing global context in the background. The offset lens employs a magnifying lens to show detail over a miniature overview. The fisheye text viewer provides people with detail of what everyone is doing through multiple focal points, one for each participant.