$2 multitouch
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Uploaded by ealf on Jun 11, 2007
A simple multitouch pad made from a plastic bag, some dyed water, and a camera.
More information at http://steike.com/dyesight/
- 279 likes, 27 dislikes
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Uploader Comments (ealf)
Top Comments
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What's with you people trying to put other people down. Standing on your head balancing an apple on your nose may not be amazing either -but who says it has to be? Maybe there's people out there for whom it is an amazing achievement. I think this video is cool.
4 years ago 20
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I dont think anyone should even try to tell you how dumb what you just said actually is.
3 years ago 14
All Comments (111)
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what program use?
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haha nice one, some people dont get sarcasm
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no way...
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You probably could, but with added cost of creating a bag that could hold all the liquid at an equal spacing while being flexible enough to press on.
You could probably created smaller bags within a larger one, but now you're essentially recreating bubble wrap, but with liquid in each pocket, but smaller bubbles of course.
Liquid could probably be something that blocks a lot of IR and is more-or-less clear. (anyone?)
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That is unbelievably clever!
2 years ago 2
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ahahahhaa
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take it easy man calm down it's just youtube
2 years ago 10
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You dumbass! It is so your fault for putting a BAG OF WATER on your $2,000 PIECE OF MACHINERY! GOSH, SOME PEOPLE ARE SO STUPID!
2 years ago 7
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And if you not have an extra web cam, you need to buy that to :P
3 years ago 3
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Where can i find the software?
When you make a movie about softwares like this, post a download link in the description so we can get it to!
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ok, well the actual amazing part is the software, not any thing else, its been done before, but not DIY and with infra red cameras, already calibrated to special positions, i doubt this is real, or you are some sort of genius.
GauravA42 3 years ago
The software isn't rocket science. You segment the image into three parts: Background, shadow and touch point. The blue dye makes the touch points more easily visible. Excluding QuickTime boilerplate to get the camera running, it was about 80 lines of C. It posted mouse events for single touch and broadcast multitouch data through 'notifyd'.
Since there's immediate feedback, there's no need to calibrate the screen position.
ealf 3 years ago 2
it's more like a multi - touch pad than a touch screen.
It's next to my computer, it's not the screen that I'm touching. But it is a neat idea.
teainthesahara 3 years ago
It's actually more like a Tactiva pad, since you can see where your fingers are on the screen. It's too bad those never made it to market -- it seemed like a good compromise: You get to see the whole screen (even while gesturing), *and* you get to keep your hands in an ergonomic position.
The main problem I had was camera latency. The Tactiva pad seems to have had a *real* touchpad, so I assume it would respond instantly (only the ghost image would lag).
ealf 3 years ago