"Tor Olav Kristensen" <tor### [at] TOBEREMOVEDgmailcom> wrote:
> I've studied your code some more - and done some experiments with it.
> You are one the right track, but unfortunately I don't have enough time
> to look further at it and suggest more changes.
No worries. I should focus on figuring out how clipka was going to apply the
importance sampling to the BRDF function first, and then I can generalize
everything to see how it works with once I've moved past the "assume a spherical
object" phase. I have some scribbles and a general plan.
> I did a similar experiment some years ago:
Yikes! Was that really 19 years ago??!
I was smack-dab in the middle of my PhD research at that time.
> Perhaps it can help if you look at the source code for it:
Yes - I was fiddling some more with things today, and was thinking of heading in
exactly that same direction. Eventually.
That also answers the question I had about how you created some of those
interesting torus renders, and explains how you got the color effects. Bonus!
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