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You may also find this chart helpful in choosing appropriate settings, make sure to scale them according to your scene units:
Material | Albedo/Color | Mean Free Path Color (in mm) |
---|---|---|
apple | 0.846 0.841 0.528 | 6.96 6.40 1.90 |
chicken1 | 0.314 0.156 0.126 | 11.61 3.88 1.75 |
chicken2 | 0.321 0.160 0.108 | 9.44 3.35 1.79 |
cream | 0.976 0.900 0.725 | 15.03 4.66 2.54 |
ketchup | 0.164 0.006 0.002 | 4.76 0.58 0.39 |
marble | 0.830 0.791 0.753 | 8.51 5.57 3.95 |
potato | 0.764 0.613 0.213 | 14.27 7.23 2.04 |
skim milk | 0.815 0.813 0.682 | 18.42 10.44 3.50 |
skin1 | 0.436 0.227 0.131 | 3.67 1.37 0.68 |
skin2 | 0.623 0.433 0.343 | 4.82 1.69 1.09 |
whole milk | 0.908 0.881 0.759 | 10.90 6.58 2.51 |
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Specify trace subset for inclusion/exclusion when struck by a ray indirectly.
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RenderMan Fundamentals
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<div style="padding:56.25% 0 0 0;position:relative;"><iframe src="https://player.vimeo.com/video/521370674?h=d9fe405f6b&title=0&byline=0&portrait=0" style="position:absolute;top:0;left:0;width:100%;height:100%;" frameborder="0" allow="autoplay; fullscreen; picture-in-picture" allowfullscreen></iframe></div><script src="https://player.vimeo.com/api/player.js"></script> |