Forums > Jitter

Metro/Button Triggering

Sep 25 2012 | 12:35 pm

Hello folks,

Just been playing around with MAX, and my usual "Hello World" project is to simulate an old TV showing white noise.

Now, I have it ‘working’ using Uzi and the help of the Jitter tutorials, but a strange thing is happening when I attempt to trigger buttons from Metro.

I want to trigger a new instance every 1000ms, but even though the metro appears to be working and triggering, my output screen doesn’t update. Although, if I trigger the (red) button manually, it works fine… You may have to see it for yourselves.

I appreciate that this isn’t a very involved patch, but if there’s a simple answer, I might learn something!



  1. noise1.maxpat
Sep 25 2012 | 2:02 pm

Thanks for that Nicolas,

Thought it might be a timing thing. Although it still isn’t working for me (OSX 10.6.8, MAX 6.0.4).

Anyhow, learnt something new and will plough on.

Could you elaborate about using "only Jitter objects". Have I mixed methods?


Sep 25 2012 | 2:44 pm

Thanks again Nicolas,

Think I have enough good info to get working on.

The only reason that I have have such an awkward patch is that I also like to simulate the horizontal scanning of an old cathode ray tube. Sometimes there are nice effects:

Anyhow, your time has been much appreciated,


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