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Poser - OFFICIAL F.A.Q (Last Updated: 2024 Dec 20 7:20 am)

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Subject: Q: use sss for transparency?

colorcurvature opened this issue on Sep 25, 2017 · 6 posts
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colorcurvature ( ) posted Mon, 25 September 2017 at 4:14 AM · edited Sun, 22 December 2024 at 5:29 PM

Is it possible to control transparency with SSS somehow? So the material becomes transparent when it gets very thin? The scatter nodes seem to not be plugable into the transparency nodes

Boni ( ) posted Mon, 25 September 2017 at 6:21 AM

This would be a good test for bagginsbill. If this were to work it would definitely need a math node to calculated at what depth the material becomes transparent.

Boni


"Be Hero to Yourself" -- Peter Tork

seachnasaigh ( ) posted Wed, 27 September 2017 at 1:48 PM

If you're making water, colored glass, fog, translucent plastic, etc., then use a ScatterVolume node. It will inherently be more see-through where the geometry is thinner, and more opaque where the geometry is thicker. No math node tricks needed for this.

Poser 12, in feet.  

OSes:  Win7Prox64, Win7Ultx64

Silo Pro 2.5.6 64bit, Vue Infinite 2014.7, Genetica 4.0 Studio, UV Mapper Pro, UV Layout Pro, PhotoImpact X3, GIF Animator 5

seachnasaigh ( ) posted Wed, 27 September 2017 at 2:00 PM

SSS steps.jpg

SSS steps material.png

Poser 12, in feet.  

OSes:  Win7Prox64, Win7Ultx64

Silo Pro 2.5.6 64bit, Vue Infinite 2014.7, Genetica 4.0 Studio, UV Mapper Pro, UV Layout Pro, PhotoImpact X3, GIF Animator 5

seachnasaigh ( ) posted Wed, 27 September 2017 at 2:52 PM

Oh, and if you're using one of the scatter nodes (there are several) with the PoserSurface root, plug the scatter into the root's Alternate_Diffuse socket, not Transparency.

Poser 12, in feet.  

OSes:  Win7Prox64, Win7Ultx64

Silo Pro 2.5.6 64bit, Vue Infinite 2014.7, Genetica 4.0 Studio, UV Mapper Pro, UV Layout Pro, PhotoImpact X3, GIF Animator 5

ironsoul ( ) posted Thu, 28 September 2017 at 2:15 AM

Looking at the question in a slightly different way "is there a way to calculate the distance that a light ray traveled through an object" If using Superfly possibly the following may be of interest using ray length


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