Fig. 2.

The experimental setup and pointing app. a An example participant pointing to a frontal right target (target 6 in b). Inlaid is a picture of the app as seen by the participant. a target is shown, as well as a compass and the current azimuth position. b The layout of the room used for testing and the horizontal target positions. Participants stood at the blue cross and pointed to the various targets. The dimensions of the room are given in meters. Target numbers correspond to the names of the targets in Fig. 5. Images of example targets can be seen in Figs. 3 and 4