Spherical projection on I.Reality

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Jean BENOIT (101372.3460++at++compuserve.com)
03 Apr 96 09:13:33 EST

I need to project a Performer visual on a dome.To do that i have to made a image
distorsion . A SGI solution is to keep the image in the framebuffer, to use it
like a texture to map on a spherical form. I think it' s possible to do that
with a postDraw multipass callback.

First, does Performer have functions to do that ( keep the image on Framebuffer)
Second, my customer want to use only 3 channels to have a Fov of 180 by 80.
Do you think if it's possible and what are the problems with this sort of large
angles.

Thank you for all to answer me .

Yoel

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