• jonk

    Would it be posible to use PD together with a webcamera to follow a persons position in a room?

    I want to send midi-control-values to ableton Live depending on a persons movements in a room. At the moment Im using arduino and a ping-sensor for the purpose, but I would be able to make much more complex stuff if I can follow the movements on more than one axis.

    Im still a beginner in PD and I guess if its possible this would be kind of advanced stuff, but then I have something to work on! All tips or ideas regarding this are very welcome.

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  • jonk

    How can I get a bang when a message is higher than a specified value?

    I havent done so much programming, but I would like to do what I write like this in arduino-programming:

    If (value1 > 10);
    do something;

    The closest that I found is SELECT, but I cant figure if I can use it that way.

    Thanks!

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  • jonk

    anyone who downloaded the patch who got it to work?

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  • jonk

    I found a library named gridflow that seems to be great at doing what I want, anyone here who is using it?

    I think I installed it right and everything seemed to work, until I come to the part with the motion tracking. There is an example named multiblob that is supposed to do just what I need, I get picture from the built in camera in my macbook pro (OS X 10.6.2) but the crosses that are supposed to follow the motion dont show up.

    Anyone got any idea why?

    I attach the patch and a picture (in a new post) that I found that shows what its supposed to be able to to.

    http://www.pdpatchrepo.info/hurleur/multiblob.pd

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  • jonk

    thanks, works now!

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  • jonk

    Im using pretty much the same setup as you are. When I put a delay on 100 or 200 milliseconds in the arduino-code I get much less jumping parameters in Ableton.

    Anyone who knows how to make such a delay in PD? Is there some way to open and close the line between two objects, like some kind of toggle-button that then can be turned quickly on and off using a metro object.

    The reason why I need that is that I also have a piezo connected to the arduino and it doesnt work with a delay in the arduino code, if I hit it sends a signal so quicky that it is missed with a delay.

    Hope its ok that I jump in with questions in your thread firebrandboy...

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