Thanx Max but i never make an external for Pd from c++.
The example with ping-pong balls is what i am looking for.

Jaime, your external seems to be what i need, but i am a newbie in
compiling stuff. When i enter :
$ make
i get :
make: *** No rule to make target `.pd_linux', needed by `pd_linux'.
Stop.
How do i fix this error ?
Thanx.
++

Jack



Le vendredi 18 février 2011 à 15:42 +0100, Max a écrit :

> http://cvlab.epfl.ch/research/body/surv/
>
> GPL Licensed.
>
>
> Am 18.02.2011 um 15:23 schrieb Jack:
>
> > I have also tested with gridflow (based on multiblob.pd) and there is
> > the same problem (no possibility to follow a same blob).
> > ++
> >
> > Jack
> >
> >
> >
> > Le vendredi 18 février 2011 à 14:07 +0100, Jack a écrit :
> >> Do you know if there is an external to track multiblob with a constant
> >> ID (the ID doesn't change in the time when two or more blobs move).
> >> For example, with [pix_multiblob], the ID of the blob is given by its
> >> position relative to the lower left corner (or i'm wrong), so it is not
> >> good for my application.
> >> Thanx.
> >> ++
> >>
> >> Jack
> >>
> >>
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