Multi-tap sliders: advancing touch interaction for parameter adjustment
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abstract
Research in multi-touch interaction has typically been focused on direct spatial manipulation; techniques have been create to result in the most intuitive mapping between the movement of the hand and the resultant change in the virtual object. However, as we attempt to design for more complex operations, the expectation of spatial manipulation becomes infeasible. We introduce Multi-tap Sliders for operation in what we call abstract parametric spaces that do not have an obvious literal spatial representation, such as exposure, brightness, contrast and saturation for image editing. This new widget design promotes multi-touch interaction for prolonged use in scenarios that require adjustment of multiple parameters as part of an operation. The multi-tap sliders encourage the user to keep her visual focus on the target, instead of the requiring to look back at the interface. Our research emphasizes ergonomics, clear visual design, and fluid transition between the selection of parameters and their subsequent adjustment for a given operation. We demonstrate a new technique for quickly selecting and adjusting multiple numerical parameters. A preliminary user study points out improvements over the traditional sliders. Copyright 2013 ACM.
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Proceedings of the 2013 international conference on Intelligent user interfaces
