Viewpoint Tethering in Complex Terrain Navigation and Awareness

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Authors
  1. Lamb, M.
  2. Hollands, J.G.
Corporate Authors
Defence R&D Canada - Toronto, Toronto ONT (CAN)
Abstract
Twelve participants navigated a simulated vehicle across complex virtual terrain using five different display viewpoints: egocentric, dynamic tether, rigid tether, three-dimensional (3D) exocentric, and two-dimensional (2D) exocentric. While navigating, participants had to avoid being seen by simulated enemy units. After the navigation task, participants’ spatial awareness was assessed using a recognition task. The egocentric display was more effective than exocentric displays (2D or 3D) for navigation, and the exocentric displays were more effective than egocentric for time seen during navigation and the recognition task. The tethered displays generally produced intermediate results, but minimized the time during which the participant’s avatar was visible to enemy positions. In summary, it would appear that the tether facilitated spatial awareness involving knowledge of locations of interest with respect to one’s own position while navigating.

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Keywords
virtual environments;tethered displays;three-dimensional displays;two-dimensional displays;spatial awareness;navigation
Report Number
DRDC-TORONTO-SL-2005-169 — Scientific Literature
Date of publication
01 Oct 2005
Number of Pages
5
DSTKIM No
CA030882
CANDIS No
529559
Format(s):
Electronic Document(PDF)

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