Haz tu propia pantalla multitáctil por 2$

[BUHOnero]

Necesitas:
- Agua.
- Bolsa de plástico trasnparente.
- Tinte.
- Webcam.
- Ordenador.


yzNh31q61gc

[nazca]

Interesante, ¿puedes dar más información al respecto?

[BUHOnero]

Solo la dirección del final del video:
http://blog.medallia.com/2007/06/dyesight.html

Es un poco antiguo, un par de mese, y dice que pondrá más información, pero no he encontrado nada de momento... el video :D

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En los comentarios del blog comenta:

I didn't get the post finished before I left for my vacation, so I'll just leave this as a comment for now:

- The main idea is that you threshold the image into three areas: background (light blue), fingers (dark blue; these are shown as an overlay on-screen) and pressure points (not blue).

- I used a bag of dye for now, since that was easy to make. It might be feasible to tape LEDs to the edges of the table, and use FTIR-like scattering; I'd like to try that later. Actually, if you have one of those cheesy engraved-perspex-plate-with-blue-LEDs-in-the-base things lying around, you might be able to use that.

- Large areas of non-blue are interpreted as fingers. There is a mouse mode, where every touch immediately moves the mouse to that point, and a multi-touch mode which sends an NSNotification with a list of points for each frame. These will of course only be understood by programs that understand this protocol -- of which there currently exist only one (the rotozoomer at the end)

- The on-screen display is just a regular transparent OSX window. The background pixels are 100&#37; transparent (alpha=0), and the hands show up as black with alpha 0.1 or so.

[Wild[Kyo]]

Si funciona tan bien como indica, es un pasote. Aunque una webcam cuesta m&#225;s de 2$.

[(_=*ZaXeR*=_)]

Yo creo que lo dice porque usa un portatil con camara integrada, bueno con isight integrado. De hecho creo, de lo poco que he sido capaz de descifrar, que tal cual muestra, solo funcionaria con un MAC (me refiero sin drivers o programas extras instalados).