[PD] Motion Tracking etc

[Alexandre Quessy]

Jonathan Goodwin a écrit :

>Alexandre, this looks like it will be really useful, but I can't get it to
>work. 
>
>It works in the example patch, and if I run my patch and the example patch
>at the same time then it works. But if I copy the main [pix_sanp2tex]
>mechanisms to my patch it doesn't work. The only difference is I'm not
>trying to draw any geos like spheres like in the example.
>
>I'm trying to grab images from my webcam. I'm guessing I may need to
>implement some kind of buffer setup, but I'm struggling to understand how
>that works. What does the help file mean when it speaks of the 'index of the
>frame in the buffer'?
>
>  
>



First, the geo on which you draw the snap texture has to be visible :
not hidden. Check its z translation value and/or the apha value of the
things over it. I like to put it over the rest but with a [alpha 1] and
[color 1 0 1 0.8] for instance.

This objects outputs a snapshot of the Gem window on every bang it
receives. Maybe you dont want to bang it on every frame. Look for
[metro] or [speedlim]. Look also your frame rate. Maybe you are looking
for the Gem object [pix_buffer] which I don't master yet.

aalex
http://alexandre.quessy.net