cheng, Kelvin; Zhu, Dingyun
While a subset view on tablet devices allows users to observe in detail an area of the large display from a distance, interaction techniques are required to support viewport navigation around the display efficiently. We propose two dual-touch techniques (DualTaP and DirectTaP) for defining both the size and position of the viewport simultaneously. We also explore two orientation-based techniques (TabTilt and TabPoint) to further explore the design space. In our user study, we found that the...[Show more]
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