Spatial Perception in Desktop Virtual Environments

Abstract

This study investigated perceptual and cognitive issues relating to manipulations of geometric field of view (GFOV) in three-dimensional perspective displays and the effects of incorporating virtual environment enhancements in the interface based on visual momentum (VM) techniques. Sixty participants, who were pretested for spatial ability, were required to navigate through a virtual office building while estimating space dimensions and performing spatial orientation tasks. A 3 − 2 − 2 mixed-subjects design compared three levels of GFOV, two levels of VM, and two levels of Difficulty. This study effectively demonstrates that the spatial characteristics of architectural representations in perspective displays are not always accurately perceived. Furthermore, the results indicate that manipulations in GFOV can produce perceptual and cognitive errors for the basic space dimensions in perspective displays; however, VM can be used to compensate for many of the biases shown to occur.

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