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Sunday, June 15, 2008
7 things you should know about... Multi-Touch Interfaces - EDUCAUSE Learning Initiative
Mult-touch interfaces are input devices that recognize two or more simultaneous touches, allowing one or more users to interact with computer applications through various gestures created by fingers on a surface. Some devices also recognize differences in pressure and temperature. Unlike a keyboard or a single-point input device such as a mouse or a traditional touchpad, multi-touch technology introduces users to swipes, pinches, rotations, and other actions that allow for richer, more immediate interaction with digital content. Multi-touch technology can be found not only in touchpads but also in displays, in which the user manipulates icons and other content directly on a screen. For example, with a photo application that uses multi-touch technology, users can touch and drag photos, creating a digital approximation of manipulating a collection of printed photos. The interface also lets users “grab” the corner of a photo and rotate it or touch opposing corners of the picture and resize it by spreading their fingers apart or pinching them together. Multi-touch interfaces recognize these and other gestures from multiple places on the device simultaneously, allowing several users to interact with an application at the same time.
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