Search found 12 matches

by franz
Sat Mar 03, 2012 9:20 pm
Forum: Visuals, Tools, Demos & Sources
Topic: complex rendering
Replies: 10
Views: 9503

Re: complex rendering

According to his description, 28000x14000 is the resolution of his environment map; rendering speed should be pretty much independent of that parameter. Still 6 fps at 1920x1080 with 15 bounces is kind of cool.

Cheers,
Franz
by franz
Thu Dec 29, 2011 5:43 pm
Forum: General Development
Topic: Sampling lights
Replies: 22
Views: 15266

Re: Sampling lights

Here's an article of interest about efficiently sampling discrete distributions: http://www.keithschwarz.com/darts-dice-coins/. Of particular interest is the Alias method which can sample in O(1) with O(n) memory. If I'm not mistaking, Jacco's technique is described in "Simulating a Loaded Die with ...