[PD] soft-edging with multiple projectors/GEM

[IOhannes m zmoelnig]

On 2010-10-21 10:45, cyrille henry wrote:
> hello,
> 
> one solution is to render your scene in a big framebuffer.
> (if you use 3 screen of 1024x768, and a 100 pixel overlap, then you need
> a 3x1024-2x100 pixel wide framebuffer)
> 
> then render this frambuffer as a texture on 3 rectangle, using
> pix_coordinate in order to keep only the desire part of the image.
> the black fade can be made with shader or texture as you prefer.
> 

afaik (being somewhat involved in the project), this is not really
peter's problem.
he is already rendering into a big framebuffer.

the question is rather, whether someone has a ready-made solution for
displaying the image on multiple overlapping projectors, that they want
to share. (if it is simple enough, it could go into the Gem/examples/...
think of all the fame!!!!)

the last solution we used for that (on 8 overlapping projectors), had a
proprietary license and could only be setup by the developers... so we
are looking for something more simple and open.

fgmasdr
IOhannes


PS: note the slight change in wording in my email, from "peter" in the
beginning to "we" in the end. it's somewhat unintentional :-)

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