Re: [chuck-users] Reactable

Mark, that looks like a cool project. The solution of registering several handlers that accept different numbers of arguments is a good workaround, especially with the iPhone where you are limited to five touch points. I would still love to have a more general solution, but a pragmatic workaround moves things forward much better than a theoretical fix. By the way, I'm a big fan of OSCemote as well. But I did see that touchOSC now has a UI editor, so I may have to go back and give that another look. And I'm still playing with multi-touch web apps for the iPhone. andy On Sat, Jun 20, 2009 at 9:53 AM, Mark Cerqueira wrote:

Andrew, For my final project in PLOrk last semester I wrote a ChucK class to interface with the iPhone app OSCemote. The multitouch portion of OSCemote implements TUIO and I included that data in the OSCemote.ck class I wrote. The "The Internals" section goes over how I got TUIO to "work" in ChucK. It may need some tweaking, but it's a start at getting TUIO right in ChucK. The link to the wiki page on the project is:

http://wiki.cs.princeton.edu/index.php/PLOrk2009/MarkCerqueiraFinalProject

Best, Mark

On Jun 20, 2009, at 12:44 PM, Andrew Turley wrote:

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You are definitely right. I didn't mean to imply in any way that ChucK wasn't a good tool for doing things LIKE the Reactable, just that if you specifically wanted to work with the Reactable (or another device that spits out TUIO) then you would need to use a system other than ChucK (which is not to say that you couldn't have ChucK somwhere in the pipeline).

Having said all that, ChucK is still my go-to system when I want to grab some OSC and turn it into sound.

andy

On Sat, Jun 20, 2009 at 8:47 AM, mike clemow wrote:

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Hi,

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While ChucK does have some support for OSC, TUIO uses messages that can have an arbitrary number of arguments, which ChucK's OSC receiver does not support.

Nothing a little glue code couldn't solve.  ;-)  There are also many other ways to get identity and position than those fiducials of the Reactable system.  I often use a camera and a little bit of the computer vision API that openFrameworks (or even Processing) provides.  You can get a lot of mileage out of those technologies without having to use what the Reactables people give you out-of-the-box, so to speak.

-Mike

On Sat, Jun 20, 2009 at 11:22 AM, Andrew Turley wrote:

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Sadly, the Reactable and ChucK don't really play nice together. It uses a protocol called TUIO, which is based on OSC (OpenSoundControl). While ChucK does have some support for OSC, TUIO uses messages that can have an arbitrary number of arguments, which ChucK's OSC receiver does not support.

Hopefully protocols like TUIO (and it's use by the Reactable) will encourage someone in the ChucK developer community to look into addressing this issue. I keep meaning to have a look at the source code to try to figure out what's going on, but I never quite get that far.

For more discussion of this issue, check out this thread: http://electro-music.com/forum/post-138241.html

If you're interested in this type of thing then you should take a look at the "Tangible User Interface Hack Day" that took place a few weeks ago. There's some info over at CDM:

http://createdigitalmotion.com/2009/06/18/tangible-interface-hackday-games-c...

andy

On Sat, Jun 20, 2009 at 12:46 AM, Hans Aberg wrote:

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Another type of HID (a "Tangible User Interface"): the Reactable.

 Hans

 http://www.youtube.com/watch?v=0h-RhyopUmc  http://en.wikipedia.org/wiki/Reactable  http://mtg.upf.es/reactable/

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