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The bent pick ray: An extended pointing technique for multi-user interaction

: Riege, K.; Wesche, G.; Holtkämper, T.; Fröhlich, B.

Institute of Electrical and Electronics Engineers -IEEE-:
IEEE Symposium on 3D User Interfaces 2006 : March 25 and 26, Alexandria, Virginia USA
New York, NY: IEEE, 2006
ISBN: 1-4244-0225-5
Symposium on 3D User Interfaces (3DUI) <2006, Alexandria/Va.>
Fraunhofer IMK ( IAIS) ()
pointing technique; 3D Interaction; multi-user input; collaboration; 3D-user-interface

This paper presents a collaborative pointing technique for co-located multi-user interaction in projection-based virtual environments. Our approach uses bent pick rays to allow users to collaboratively work together without locking objects. Moreover, a user can manipulate distant objects in immediate reach, using a Scaled-Grab technique. The main purpose of the bent pick ray is to provide continuous visual user feedback, keeping a user informed about the collaborative manipulation.