Surface computing: Difference between revisions

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'''Surface computing''' is the use of a specialized [[computer]] [[GUI]] in which traditional GUI elements are replaced by intuitive, everyday objects. Instead of a [[Computer keyboard|keyboard]] and [[Mouse (computing)|mouse]], the user interacts with a surface. Typically the surface is a [[touchscreen|touch-sensitive screen]], though other surface types like non-flat three-dimensional objects have been implemented as well. It has been said that this more closely replicates the familiar hands-on experience of everyday object manipulation.<ref>{{Cite web |title=What is the Microsoft Surface? - What the Microsoft Surface computer is, and how it works. |url=https://what-is-what.com/what_is/microsoft_surface.html |access-date=2022-09-22 |website=what-is-what.com}}</ref><ref>{{Cite web |last=Zibreg |first=Christian |date=2008-05-07 |title=Teenager Creates First OS X Multi-touch Table |url=https://www.tomshardware.com/news/apple-multitouch-laptop,5309.html |access-date=2022-09-22 |website=Tom's Hardware |language=en}}</ref>

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•'''Two Dimensional''' Typically, traditional surface types are two-dimensional and only require two-dimensional touch interactions. Depending on the system, multi-touch gestures, such as [[pinch to zoom]], are supported. These gestures allow the user to manipulate what they see on the surface by physically touching it and moving their fingers across the surface. For sufficiently large surfaces, multi-touch gestures can extend to both hands, and even multiple sets of hands in multi-user applications.

•'''Three Dimensional''' Using depth aware cameras it is possible to make three dimensional gestures. Such gestures allow the user to move in three dimensions of space without having to come into contact with the surface itself, such as the methods used in [[Depth perception]].<ref name=":1">[http://research.microsoft.com/en-us/um/people/benko/publications/{{Cite journal |last=Benko |first=Hrvoje |date=2009/benko_mm09bnt236.pdf-08-05 |title=Beyond Flat Surface Computing: Challenges of Depth-Aware and Curved Interfaces] |url=https://www.microsoft.com/en-us/research/publication/beyond-flat-surface-computing-challenges-depth-aware-curved-interfaces/ |language=en-US}}</ref> DepthTouch makes use of a depth-sensing camera, a projector, desktop computer, and a vertical screen for the user to interact with. Instead of physically touching the screen, the user can manipulate the objects he or she sees displayed onto it by making freehand gestures in mid-air. The depth-aware camera can then detect the user's gestures and the computer processes them to show what the user is doing on the display.

==Applications==

Surface computing is used in both research and commercial use. It is more widely known commercially in products such as the [[iPad]]. Although tablets like the iPad are among the most common types of surface computing other implementations exist, such as HP's [[Sprout (computer)|Sprout]] computer. In research, surface computing has been used to help develop gestures for tabletop implementations.<ref>[{{Cite web |last=Wobbrock |first=Jacob O. |last2=Ringel Morris |first2=Meredith |title=User-Defined Gestures for Surface Computing |url=https://faculty.washington.edu/wobbrock/pubs/chi-09.02.pdf User-Defined Gestures for Surface Computing]}}</ref> Additionally, the exploration of other surface types has been done to help bring surface computing to many other surface types, like curved and spherical surfaces.

==See also==