Thanks so much! [translateXYZ 0 0 -4] is just what I needed. I realize now that last time I needed to use [gemframebuffer] I went through this same period of confusion.
Can someone update the [gemframebuffer] help patch to explain this anomaly? -Ben On Fri, Feb 26, 2010 at 12:37 PM, cyrille henry <c...@chnry.net> wrote: > hello, > > you have to use frambuffer in order to chain multiple shader. > there are example for this in the glsl section of Gem help. > > the most common problem with gemframbuffer is that you need to add a > translateXYZ 0 0 -4 after the gemhead in order to have the same vision point > than without the frambuffer. > > Cyrille > > > Ben Baker-Smith a écrit : >> >> Hello, >> >> I'm working on porting Andrew Benson's optical flow glsl shaders over >> to PD. I've got the primary shader working, but need to send the >> output to the second shader. I figured that the best way to deal with >> this would be to use [gemframebuffer] to send the results of my first >> chain (including [pix_video] and the first shader) to a second chain >> to be processed with the second shader. >> >> My first problem is that I cannot seem to get [gemframebuffer] to work >> with [pix_video] or with [pix_film] for that matter. Is this the >> appropriate tool? >> >> Alternately, if someone knows how to use multiple shaders in the same >> render chain then I wouldn't have to use [gemframebuffer] at all. >> >> -Ben >> >> _______________________________________________ >> Pd-list@iem.at mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list >> > _______________________________________________ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list