assuming that maybe no one read that thread as it was sent on weekend :) (or is that question really that "not of interest"?) i send it again and hope for some reaction.... sorry
as gemwin features things like stereoscopic display alternatives i was wondering if it might be easy to implement something that distorts the complete gemwin output in a polar coordinate system (for projecting in domes and planetariums).
it might be not too hard to build something like that using snap2tex a sphere and some adjustments in the texture coordinates. but somehow i sense a strong smell that openGL might feature such things "directly"
two examples what i mean by "polar coordinte system" are attached
best wolgang