Sewing Worlds Together With SEAMs: A Mechanism to Construct Complex Virtual Environments

Authors:
Dieter Schmalstieg;Gernot Schaufler
Affiliations:
Vienna University of Technology Vienna, Austria dieter@cg.tuwien.ac.at;Massachusetts Institute of Technology Cambridge, MA gs@graphics.lcs.mit.edu
Venue:
Presence: Teleoperators and Virtual Environments
Year:
1999

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Abstract

This paper introduces the Spatially Extended Anchoring Mechanism (SEAM) as a 3-D user-interface metaphor to connect virtual worlds and manage scalability in distributed virtual environments. SEAMs provide a visual and navigable connection between worlds to manage both the complexity of rendering and network communication typically occurring in such environments. In the context of augmented reality, SEAMs can be applied as a 3-D window interface. A rendering algorithm is described which performs well on the graphics accelerators of standard personal computers.