[PD] gemframebuffer nonsense - was: Re: GEM: writing an image different from the one displayed

[Jack]

Yep, as mention IOhannes, put a [translateXYZ 0 0 -4] between
[gemframebuffer] and [pix_video] (or after) to translate your
[rectangle] because both are in the same plan (and all should work fine
now) :)
With [gemframebuffer], you have to forget the view of the camera (and
then the view in the gemwin), they are different.
I think the help patch about [gemframebuffer] is a good exemple.
++

Jack



Le jeudi 26 novembre 2009 à 20:21 +0100, IOhannes m zmölnig a écrit :
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> Matteo Sisti Sette wrote:
> > Can you help me find the error? I'm stuck
> > 
> > (I tried with small negative translations in the Z axis as in your
> > patch, which shouldn't be relevant, and no differnce)
> > 
> 
> [gemwin] usually places the "camera" at "0 0 4" pointing to the origin.
> 
> this is not the case for [gemframebuffer], which will put the camera at
> "0 0 0" and the objects (if not translated by [translate] at "0 0 0" as
> well. thus you don't see anything (because the image you want to see is
> right at where you are).
> try moving the rectangle to "0 0 -4" and be happy.
> 
> fg,adr
> IOhannes
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