Dear Pd list,
the [pix_data] object has me very confused! I am using it for analysis
of a live webcam video or recorded video clip from [pix_video] or
[pix_film]. However, I cannot for the life of me figure out where it is
getting the analysis data from!
I can disconnect the Gemlist from the second inlet, so that it is only
getting the metro bangs at the first inlet and the X and Y coordinates
to analyze at the third and fourth inlet, and still it gives data output.
I know that it is still getting the changing video signal and not just
reading the last frame that came in the Gemlist, because I use the
analysis data to reconstruct the image with audio signals on an external
analog vector monitor, and I see that image changing and moving even if
the [pix_data] receives no Gemlist.
Basically, if I use [pix_video] or [pix_film], I can completely
disconnect their outlets from anything, and as long as they were
connected to [pix_data] through an active Gemlist before I disconnect
them, then [pix_data] will still continue to see them in realtime.
Also, no scaling transformations I do to the output of [pix_video] or
[pix_film] (for example by texturing it on a rectangle with a [scale]
object in front of it) have any effect on what is seen by [pix_data].
Does [pix_data] read the pixel values from some other place than the
Gemlist? A buffer of some kind? How can I apply any transformations to
what it "sees"?
Thank you for clearing up any confusion here!
Derek
derek holzer
noise.art.technology
http://macumbista.net
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