Accession Number:

ADA109491

Title:

Display-Control Compatibility in 3-D Displays. 1: Effects of Orientation

Descriptive Note:

Technical rept.

Corporate Author:

BOLT BERANEK AND NEWMAN INC CAMBRIDGE MA

Personal Author(s):

Report Date:

1981-11-15

Pagination or Media Count:

79.0

Abstract:

The recent development of true volumetric displays, such as SpaceGraph, has raised questions about display-control relationships that cannot be answered from earlier work with 2-D displays. We measured the speed and accuracy of simple control decisions when the displayed object was presented in orientations rotated away from congruence with the control orientation. Reaction times were measured for identifying the marked face of a static cube, presented with SpaceGraph, as a function of how much the cube image was rotated away from congruence with fixed physical cube on which the observer responded, and which dimension of the display corresponding to the rotation axis. The following results were obtained The fastest and most accurate identifications occurred when there was a simple direct spatial mapping between the display and the control for all orientations presented. Decision times made with this strategy were relatively unaffected by orientation Marked display-control incompatibility was found under some specific conditions and The shape of the decision time functions suggest that decision strategies involved both propositioned coding and mental rotation.

Subject Categories:

  • Anatomy and Physiology

Distribution Statement:

APPROVED FOR PUBLIC RELEASE