Multi-layer interaction for digital tables

Interaction on digital tables has been restricted to a single layer on the table's active work-surface. We extend the design space of digital tables to include multiple layers of interaction. We leverage 3D position information of a pointing device to support interaction in the space above the active work-surface by creating multiple layers with drift-correction in which the user can interact with an application. We also illustrate through a point-design that designers can use multiple-layers to create a rich and clutter free application. A subjective evaluation showed that users liked the interaction techniques and found that, because of the drift correction we use, they could control the pointer when working in any layer.

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