Test with pretrace_start and pretrace_end set to 1
against pretrace_start 0.04, pretrace_end 0.01. Without
pretrace the render was 20% faster but the image is patchy.

http://www.pp.htv.fi/kkivisal/pretrace.jpg

It seems that pretrace forces an even distribution of radiosity
samples so the rad lighting will be smooth everywhere.


_____________
Kari Kivisalo

Post a reply to this message