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Subject: Weird ring around the Iris


RAMWorks ( ) posted Sun, 15 November 2020 at 2:35 PM · edited Sun, 22 December 2024 at 11:27 PM

Hi,

Trying to finalize my character for L'Homme but I'm running into a very annoying issue. I am using a mixture of Poser root node (Firefly) and Physical root node (Superfly). When I do a render I find that there is this weird ring around the Iris. I'm not sure where it's coming from. I've redone my eye textures 3 times thinking it was on my end but it's not. So need some feedback about where it could be coming from.

Below are my settings and a render with arrow pointing to the ring I'm referring too!

Thanks for any help you can provide.

Richard

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RAMWorks ( ) posted Sun, 15 November 2020 at 2:37 PM

OK Renderosity, your making this hard to get help if I can't upload images successfully! :mad:

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RAMWorks ( ) posted Sun, 15 November 2020 at 2:38 PM

Aqua - Ring Around the Iris.png

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RAMWorks ( ) posted Sun, 15 November 2020 at 2:38 PM

Iris Settings.png

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ghostship2 ( ) posted Sun, 15 November 2020 at 3:35 PM

there is some overlap in the mesh and that creates that ring. I personally think it looks ok for this render you posted. You REALLY don't want hard, sharp edges between the eye whites and iris.

W10, Ryzen 5 1600x, 16Gb,RTX2060Super+GTX980, PP11, 11.3.740


hborre ( ) posted Sun, 15 November 2020 at 3:44 PM

That looks like a shadow around the iris. Disconnect your bump and normal maps and render it again. Unless you are extremely close to the eye, displacement and bump maps would not make a difference in the render. Not saying this is the source of your problem but, frankly, it isn't necessary. Personally, I wouldn't connect a color map to the Specular chip on the Posersurface. It reads its calculations based on black and white data.


RAMWorks ( ) posted Sun, 15 November 2020 at 3:57 PM

Hi,

Thanks for the suggestions. hborre, there is no split diffuse to spec, the cables are confusing you, that's a proper specular map plugged in there!

I tried with the bump and normal unhooked, same result!

Ghostship, I agree, I hate sharp lines between the Iris and Sclera but this is something else, My maps are with VERY LITTLE blur around the edges to keep that from happening but the results I'm seeing is that very dark / burnt orange affect that I'm trying to lessen and it's not going away no matter what I try. I don't know enough about the other nodes to bring in another and figure out where to plug it to try to lessen that affect. I'm also not sure if it's coming from the Sclera or the Iris nodes... one is creating some weird shadow (the ring)

---Wolff On The Prowl---

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hborre ( ) posted Sun, 15 November 2020 at 4:14 PM · edited Sun, 15 November 2020 at 4:20 PM

I just did a quick render of La Femme's default eye shaders in Superfly and she is exhibiting a gray ring around her iris. This may be an inherent problem with the way the eye is constructed.

Edit: Just rendered L'Homme's default eye shaders and it shows nothing unusual around that area. It actually looks normal.


RAMWorks ( ) posted Sun, 15 November 2020 at 4:41 PM

Hmm, interesting.!

---Wolff On The Prowl---

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RAMWorks ( ) posted Sun, 15 November 2020 at 5:25 PM

Well I ended up using the L'Homme eye settings with my own tweaks. Not sure what was causing the issue but it's ALLOT better now!

---Wolff On The Prowl---

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