[PD] GEM camera angle-of-view >180deg

Cyrille Henry ch at chnry.net
Sun Apr 15 13:20:14 CEST 2012

Le 14/04/2012 20:44, Marian Weger a écrit :
> Thanks, Claude!
> The stitching process is really not the problem, as all this is already implemented in Extended View Toolkit [1].
oups, sorry, i forgot that EVT did also include this part.

> My problem is more the computational effort, that is multiplied by 3 when using 3 virtual cameras.
use display list to optimise bus transfer.

> Plus the stitching part.
this should be quitte fast.

> Perhaps I need to explain more what I want to do:
> I have a very complex 3d scenery inside GEM. Now I want to view this scenery from the center and then project the image onto an immersive panoramic video screen. The screen is not a full dome, but more a cylinder surrounding the visitor. So the virtual camera inside GEM ideally also covers a cylindrical area.
yes, i think you're doing it right.
display list is the only i can imagine to optimised rendering.


> [1] http://extendedview.mur.at
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