3-D Electronic Maps, Design Implications for the Effects of Elevation Angle Disparity, Complexity, and Feature Type

Joseph C. Hickox; Christopher D. Wickens · 1997 · Proceedings of the Human Factors and Ergonomics Society Annual Meeting

DOI: 10.1177/107118139704100106

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Abstract

Three-dimensional navigational displays have received a fair amount of attention in the literature lately. In this study, we utilized a navigational checking task and manipulated elevation angle disparity, complexity and feature type (defined by man-made vs. natural) and measured its effects on latency and accuracy. Elevation angle disparity was measured in terms of the difference between the sin of the viewing angle or Forward Field of View (FFOV) and the sin of the map angle. A same/different paradigm was employed as subjects compared navigational scenes presented on both a CRT (simulating the map) and projected on a large screen (simulating the FFOV). Main effects were found with the elevation angle disparity, complexity and feature type. Significant interactions were found with elevation angle disparity and feature type, and complexity and feature type. Conclusions are made based upon these findings and their implications for the design of 3-D electronic maps.

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