get milk! (updt. 15.02.07)
Posted: Thu Jan 25, 2007 4:43 pm
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yes, i saw the 'orange juice' thread... and other threads on SSS...not very hopeful.-Adrian wrote:I think Maxwell, at this stage, is a really bad tool to achieve this kind of look.
thanks. not very hopeful, but will give a few attempts. Or else its fake milk.NicoR44 wrote:Great test, succes!!!!
So depending on which milk you are trying to recreate, the bsdf layers would need match appropriately. I think I'd use three probably four layers.Both the fat globules and the smaller casein micelles, which are just large enough to deflect light, contribute to the opaque white color of milk.
The fat globules contain some yellow-orange carotene, enough in some breeds — Guernsey and Jersey cows, for instance — to impart a golden or "creamy" hue to a glass of milk.
The riboflavin in the whey portion of milk has a greenish color, which can sometimes be discerned in skim milk or whey products (McGee 17).
Fat-free skim milk has only the casein micelles to scatter light, and they tend to scatter shorter-wavelength blue light more than they do red, giving skim milk a bluish tint.
Tim Ellis wrote:What are you using the other bsdf layer as?
Some info from wikipedia http://en.wikipedia.org/wiki/Milk#Physi ... _structure
So depending on which milk you are trying to recreate, the bsdf layers would need match appropriately. I think I'd use three probably four layers.Both the fat globules and the smaller casein micelles, which are just large enough to deflect light, contribute to the opaque white color of milk.
The fat globules contain some yellow-orange carotene, enough in some breeds — Guernsey and Jersey cows, for instance — to impart a golden or "creamy" hue to a glass of milk.
The riboflavin in the whey portion of milk has a greenish color, which can sometimes be discerned in skim milk or whey products (McGee 17).
Fat-free skim milk has only the casein micelles to scatter light, and they tend to scatter shorter-wavelength blue light more than they do red, giving skim milk a bluish tint.
Base water layer. 87.8% weight
Base fat layer (.r2 file) 3.9% weight
Base scatter layer 100%
Scatter layer 2 (milk type dependant) 8.3%
Not had chance to do any tests yet though, but that's my hypothesis & would be my starting point.
Tim.
tom wrote:I'm not sure how you modeled the testing tube but it could be causing problems if it's not properly modeled as Thomas An. described. If you're sure it has no problem, then I need to let you know my milk material won't show something decent before SL19and the aim of 2nd layer is speculars, nothing about transparency.