Pin-and-Cross: A Unimanual Multitouch Technique Combining Static Touches with ...
summary
Pin-and-cross combines one or two static finger pins with a nearby crossing stroke to select radial commands; a formative study over 16 radial targets shows error rates mostly under 5% and yields placement guidelines. A simple rule-based heuristic recognizer (if-statements with empirical thresholds) disambiguates rotate/scale/transform. Compared to a Marking Menu and partial Pie Menu, pin-and-cross matches accuracy and is 27% faster when invoked on a draggable object. Demos include photo thumbnails, two-finger scrolling, in-place rotate/scale with snapping, and mode changes while drawing.
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chapters (12)
- 0:00Intro
- 0:25Common problems with touch input
- 1:41Touch overloading
- 4:09Pin and cross actions
- 5:08formative study
- 6:46highlevel results
- 7:56design implications
- 8:50Heuristic recognition
- 9:28Comparison
- 10:48Time Spent
- 12:11Demos
- 14:51Conclusion
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