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A Multi-layered Architecture for Sketch-based Interaction within Virtual Environments

: Bimber, O.; Encarnacao, L.M.; Stork, A.

Bowman, D.A. ; Association for Computing Machinery -ACM-, Special Interest Group on Graphics -SIGGRAPH-:
Siggraph 2001. Course Notes 44. Advanced Topics in 3D User Interface Design
Los Angeles, Calif., 2001
SIGGRAPH, International Conference on Computer Graphics and Interactive Techniques <28, 2001, Los Angeles/Calif.>
Conference Paper
Fraunhofer IGD ()
sketch recognition; sketch interpretation; virtual reality; Human Computer Interface; software architecture

In this article, we describe a multi-layered architecture for sketch-based interaction within virtual environments. Our architecture consists of eight hierarchically arranged layers that are described by giving examples of how they are implemented and how they interact. Focusing on table-like projection systems (such as Virtual Tables or Responsive Workbenches) as human-centered output-devices, we show examples of how to integrate parts or all of the architecture into existing domain-specific applications - rather than realizing new general sketch applications - to make sketching an integral part of the next-generation human-computer interface.