The Bent Pick Ray: An Extended Pointing Technique for Multi-User Interaction

Authors:
Kai Riege;Thorsten Holtkamper;Gerold Wesche;Bernd Frohlich
Affiliations:
Fraunhofer Institute for Media Communication;Fraunhofer Institute for Media Communication;Fraunhofer Institute for Media Communication;Bauhaus University Weimar
Venue:
3DUI '06 Proceedings of the 3D User Interfaces
Year:
2006

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Abstract

This paper presents a collaborative pointing technique for colocated 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.