Forums > Jitter

Overlaying Multiple Jit.Catch/Graphs

October 13, 2010 | 10:34 pm

I have been searching for a solution to this for a while now, so I thought I would post it and see if anyone has any advice.

I would like to combine multiple instances of jit.catch/graph into one window. I know I can take jit.catch and split it but i would like to be able to have different settings for each individual jit.catch.

The problem is that when you combine more than one jit.graph it becomes choppy. I want them to overlay rather than strobe back and forth.

My goal is to be able to take 8 channels of audio and have them all running through seperate "video channels" with unique settings that will output into one window.

Any suggestions on how to achieve this would be greatly appreciated.


October 15, 2010 | 11:04 pm

The word you are looking for is compositing (where you combine multiple images into one). There are many ways to do compositing in Jitter, and the way you choose will largely depend on what you want it to look like and how the images will combine. I might suggest to start by looking at the various flavors of jit.op (+, *, absdiff,-, >p, etc.) and try some of the "key" objects if that doesn’t do it for you. If you can figure out exactly how you want it to look, let us know and I’m sure someone can point you in the right direction.


October 19, 2010 | 7:56 pm

Thanks,
I started looking into jit.op and I see how it will be very useful,
but I havent really solved my problem.
Essentially what I want to do is something like the helpfile for jit.plot,
where two graphs are combined with a plot (I assume this same method can be used to overlay other objects in the same window)
When I try to recreate this it doesn’t work.
I’ve been searching around for info on draw order and how to use @out_name but I have found little information.
Could you point me in the right direction?


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