Locative Lab

researching locative media

Information Aesthetics: Dynamically Changeable Physical Buttons on a Visual Display


visual_buttons.jpg

One can be easily impressed with large-scale projections, single-touch screens, multi-touch mobiles (think iPhone), interactive tabletops and the like. However, while such screens allow for “virtual” buttons and keyboards to be popped-up, panned and rotated anywhere, they lack obvious low-attention and vision-free tactile qualities. Instead, they require continuous visual attention to know *where* to press or click.

So is it possible to merge these new display technologies with physical buttons that dynamically appear and disappear, depending on the actual interface that is shown on the screen? Chris Harrison, a Ph.D. student in the Human-Computer Interaction Institute at Carnegie Mellon University, recently proposed it can be done in the research project titled “Providing Dynamically Changeable Physical Buttons on a Visual Display” [chrisharrison.net]. (One might note Chris is not unknown on this blog. He is also the author behind data visualization projects like Digg Rings, Amazon Book Map, Google Trigrams, Visualizing the Bible and many more)

The outcome of his investigation is a working visual display that contains specific deformable areas, able to produce physical buttons and other interface elements. These tactile features can be dynamically brought “into” and “out of” the interface, and otherwise manipulated under program control. The surfaces provide for the full dynamics of a visual display (through rear projection) as well as allowing for multi-touch input (though an infrared lighting and camera setup behind the display).

See this innovative display in action in the video below.

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About

Cityscape LocativeLab.org is Ronald Lenz's research website on locative & mobile media. This is mostly an archive of blogposts I find inspiring and interesting and an overview of my work. I'm a strategist, technologist and researcher in the field of Location-Based Mobile Services and work at Waag Society, a medialab in Amsterdam, The Netherlands where I head the Locative Media research program and at 7scenes, a platform for GPS games and tours as creative director. Picture 4 Find me at Twitter, LinkedIn or via ronald [at] waag [dot] org.

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