Sammendrag
Tangibles on interactive surfaces enable users to physically manipulate digital content by placing, moving, manipulating or removing a tangible object. However, the information whether and how a user grasps these tangibles has not been exploited for input so far. Based on Buxton´s Three-State Model for graphical input, we present an interaction model that describes input on tangibles that are aware of the user´s touch and grasp. We present two examples showing how the user benefits from this extended interaction model.
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