Ridley5 opened this issue on Jul 26, 2010 ยท 1724 posts
ksanderson posted Thu, 19 August 2010 at 5:58 PM
I think you need to use a portal if you didn't already. LuxRender needs them for interior scenes with outside light sources for efficiency.
http://www.luxrender.net/wiki/index.php?title=Portals
Kevin