[PD] (GEM) Getting the z-buffer value of a pixel in a rendered image
Mathieu Bouchard
matju at artengine.ca
Wed Jun 15 23:09:54 CEST 2011
On Fri, 10 Jun 2011, Matteo Sisti Sette wrote:
> Is there a way in GEM to take a snapshot of a rendered scene (such as
> with pix_snap) and save the z-buffer information, for example saving it
> as an extra channel? (e.g. have the z value saved as the alpha channel)?
> I'm interested in getting an image of the scene as it would appear if it
> was captured by a depth sensor like a Kinect...
How many bits do you expect the z-buffer to be, and how can that possibly
fit in any GEM pix structure ?
AFAIK, only GridFlow, PDP and iemmatrix are equipped to handle that data.
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| Mathieu Bouchard ---- tél: +1.514.383.3801 ---- Villeray, Montréal, QC
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