Daniel Dawson wrote:
> 
> OTOH, perhaps photon mapping won't have the same problem as shadow casting, as
> long as portals are two-way. But that probably has nothing to do with the
> shadow problem.

It would indeed be good if photons were supported by camera_view but 
even that is quite a problem.  You can find a test image for a hackish 
implementation of this on:

http://www.tu-bs.de/~y0013390/files/portal_phot.png

which quite clearly shows various serious issues (partly related to the 
screwed geometry as well).

Christoph

-- 
POV-Ray tutorials, include files, Landscape of the week:
http://www.tu-bs.de/~y0013390/ (Last updated 24 Jul. 2005)
MegaPOV with mechanics simulation: http://megapov.inetart.net/

Post a reply to this message