[Radiance-general] Lightpipes and rtcontrib

[John Mardaljevic]

> f) How about gathering the external environment with a mkillum  
> across the pipe's entrance, then spreading the light in the interior  
> using a second mkillum at the pipe's exit?
Axel - I had a go at this years ago when time for experimentation  
seemed easier to come by.  Can't recall the details, but I think it  
worked passably well for the diffuse component of illumination.  For  
direct however, as expected, it didn't do too well.

-John

-----------------------------------------------
Dr. John Mardaljevic
Senior Research Fellow
Institute of Energy and Sustainable Development
De Montfort University
The Gateway
Leicester
LE1 9BH, UK
+44 (0) 116 257 7972
+44 (0) 116 257 7981 (fax)

jm at dmu.ac.uk
http://www.iesd.dmu.ac.uk/~jm