see, "CG Tutorial" book ... released by NVIDIA (Mark J, Kilgaard)

okey,

I saw optimizer had support for Catia v4 import, what about performer? what file format is performer using? Is it good for vizualising large model sets like Optimizer?

Is Performer...

For a couple of months I've tried to get a copy
of OpenGL Optimizer. I've been in contact with
my closest SGI reseller without very much of success.

Is the product still available? what is the ...