[PD] processing images with GEM?

Derek Holzer derek at umatic.nl
Mon Jan 21 14:02:53 CET 2008

Hi Matteo,

I don't have a camera to plug in and double check, but I never noticed 
this inverted problem before. You can always re-invert the numbers if 
you need to ;-)

Anyways, inverted or not, the patch does what it's supposed to, I hope!


matteo sisti sette wrote:
> Thanks a lot, very interesting!!
> Just a quetion/problem.
> I'm trying your attached patch, and it works, but the Y position of
> the cursor seems to be systematically inverted!
> I mean, if the actual blob (as I can see it in  the preview "window")
> is on the top, the circle is drawn on the bottom of the screen!!
> Is it an error in the patch, or is something working wrong in my case?
> Aslo, the comments about "pix_blob" output say:
> "[upper left corner is 1, 1
> down right corner is 0, 0]"
> According to what I can see by attaching number boxes to the 2nd and
> 3rd outlet, I would say
> "[upper left corner is 0, 0
> down right corner is 1, 1]"

derek holzer ::: http://www.umatic.nl ::: http://blog.myspace.com/macumbista
---Oblique Strategy # 76:
"Give the game away"

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