Forums > Jitter

cv.jit.touches example

September 18, 2010 | 9:31 pm

Hello I am interested in using cv.jit.touches, but I am having some problems with the help file. I am trying to figure out how it works and I cant. It is crashing really often and I am not able to extract any value from any of the list that cv.jit.touches is supposed to show.
I would like to use it to track people from the top.
I would really appreciate if somebody could show an example in which the lists would be visible.
thanks for the help

September 19, 2010 | 12:52 am

I’m not sure I understand the problem. cv.jit.touches outputs lists so how can you not see lists??
Maybe you could post the part of the patch that doesn’t work and crashes?

September 19, 2010 | 3:51 am

Hi, if you’re having problems with cv.jit.touches, try downloading the package again. There were problems with earlier versions. Let me know if you still have problems with the newest version.

It should be really straightforward.

Sorry for the inconvenience.

September 19, 2010 | 9:48 am

Hello thanks for your response, I did install the last package of cv.jit and from time to time trying to use the movie file that comes with cv.jit.touches as example Max crashes I include two files in rtf with crash and my system configuration.
I am probably doing something stupid I am putting in the 3 outlets of cv.jit.touches messages, numbers, unpack, bangs, everything I can think of and I do not get any data.
I am trying to use it to count people in a space and I am trying to use it also with background substraction, I include an example with this post , I would appreciate any help.
But I still cannot extract data in my example nor in the help file.
Thanks in advance for your help.

– Pasted Max Patch, click to expand. –
  1. configuration.rtf
September 20, 2010 | 3:38 pm

Hey anybody around that could show me my mistake?


September 21, 2010 | 8:24 pm

works fine here. MBP 10.6.4; Max 5.1.5;

just so you know, your "radius" and "threshold" messages are hooked up to the panel and NOT the cv.jit.touches…

September 22, 2010 | 1:36 am

thanks I will try again changing the radius and threshold . could you tell me which radius and threshold numbers would be OK to start, just to see if I could get any feedback, I am also in a MBP 10.5.7 and Max 5.1.5


September 22, 2010 | 1:54 am

Hi I still cannot get any output from cv,jit.touches, not even in the example in the help, trying with the movie that it is include in the patch, no list at all, could be because I am on Mac Os 10.5.7, I do not have any idea.
Not even a feedback in cv.jit.touches draw even from the help file.
I would appreciate any idea.
Thanks in advance.

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