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I'm still playing around with Lightsys, and the more I learn, the more
questions I have. :-)
I did some tests with some of the demo scenes for Lightsys 4, where I
replaced the reflective spectral data rgb values with plain-old rgb values.
For the items I tested with, I didn't notice any big differences, but
perhaps there are small differences which are more subtle.
My question(s) at this point:
What are the benefits of using the reflective spectral data (e.g.
RS_White_Paint_1) over normal pigments? Is it simply that the RS values
will look better under a much wider range of lighting? Is it ok to mix
normal rgb pigments (e.g. rgb <1,0.8, 0.6>) along with the RS values?
Lightsys is an amazing set of includes/macros which everyone should probably
be using, but at this point, I don't understand it very well. Some day, it
would be nice to have a good tutorial "Lightsys for Dummies" or something.
Perhaps I'll begin writing it up, if I ever get to the point that I truly
understand enough of it.
As always, any insight would be appreciated.
--
Jeremy
www.beantoad.com
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