-What's a MTmini?- ------------------------------------- Don't have a Multitouch Table yet? Have one, but need something smaller for testing? Building a small portable multitouch pad will allow you to test software and experiment on a smaller scale while building your full table or when away from your multitouch screen. Have fun and make a MTmini! This uses Front Diffused Illumination, with normal ambient light (infrared not required or needed) and a normal off-the-shelf webcam (IR filter can still be in place).
-How's it Work?- ------------------------------------- For this to work, all you need is a room with (at least) some light. The results will be best when the room lighting is even (no bright lights shinning from one direction onto the multitouch pad).
When you place you fingers on the surface, shadows are created where your fingers are. The webcam sees these shadows and sends the image to the tracking software which tracks the shadows as they move on the surface.
It's important to try different lighting setups and to configure the software in order to get the best results.
Thanks to: ------------------------------------- -David Wallen -Christian Moore -Laurence Muller -NUIgroup Community
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Very nice. I am curious though, what does the camera do? My guess is that where fingers press there will be less light and the software is computing smooth exact locations for those dark spots.
I took your model and made it larger with a projector. Microsoft surface, right? I was wondering if you know any way to supplement the paper for some other material because if a drink spills on this sucker it's over....Also, do you know how to get the Da vinci software on a mac from the surface or any surface software really?
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Thanks!