The official name for it is “gesture-recognition technology,” but no self-respecting geek would call the process of poking your finger at a computer screen anything but “touchy-feely computing.”The tablet PC, which uses this kind of interface, has been around for a few unremarkable years now, as have those cash registers one sees in sports bars and some restaurants. There was a desktop computer model made by Hewlett-Packard Co. in 1983, called the HP 150, which was one of the first touch-screen machines. Interest in the touch-screen interface has bubbled up again; Apple introduced the iPhone a couple of weeks ago, dumping the slender stylus in favour of the fleshy fingertip; in late May, Microsoft announced that in the fall it will release Surface, basically a
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MPX already supported multiple input devices. Which blows pretty much all assumptions in user interfaces (input) out of the water. Now I’ve gone one step further and added support for multi-touch displays. Have a look at this video: http://www.youtube.com/watch?v=olWjnfBoY8E Upfront: I did not build some kind of touchscreen or tracking system. I did not build some kind of gesture recognition system. I built the stuff in between.A while ago I started thinking about how multi-touch and gesture support could look like. Looking around on the web and in the research literature, I found that all the multitouch systems are a hack (I’m talking about software integration here, not the hardware!). Multi-touch support needs to be in the windowing system. Any client-side approach is wrong. (Feel