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3D Location-pointing as a Navigation Aid for Virtual Environments
Authors: Chittaro L., Burigat S.
Published in: Proceedings of AVI 2004: 7th International Conference on Advanced Visual Interfaces, ACM Press, New York, May 2004, pp.267-274
Abstract: The navigation support provided by user interfaces of Virtual Environments (VEs) is often inadequate and tends to be overly complex, especially in the case of large-scale VEs. In this paper, we propose a novel navigation aid that aims at allowing users to easily locate objects and places inside large-scale VEs. The aid exploits 3D arrows to point towards the objects and plces the user is interested in. We illustrate and discuss the experimental evaluation we carried out to assess the usefulness of the proposed solution, contrasting it with more traditional 2D navigation aids. In particular, we compared subjects' perfromance in 4 conditions which differ for the type of provided navigation aid: three conditions employed respectively the proposed 3D arrows aid, an aid based on 2D arrows, and a 2D aid based on a radar metaphor; the fourth condition was a control condition with no navigation aids available.
Copyright: © ACM Press 2004. The Authors retain the right to post their own author-versions of preprints and revisions, including versions covered by ACM copyright but not versions downloaded from the ACM Digital Library, in a personal collection on their own or their employer's server; such copies must be limited to noncommercial distributions and personal use by others and the ACM copyright notice must be attached.