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By gordryd - 5 Years Ago
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I keep trying to render this scene but some issues keep popping up.
1) Large out-of-focus rectangle (encompassing his right hand, back half of gun, etc.). This only appears when the NVidia De-Noise kicks in. There is no indication of GPU memory problem during rendering...
2) Hair Scalp area changes the color/texture/etc. of the head skin where it overlaps. You can see it above and even more noticeable in "Mininal" viewport setting below...
Here's what it should look like (standard iClone render):
Any ideas? I've tried adjusting just about every setting that there is, but have run out of patience for tonight...
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By Warped Reality VFX - 5 Years Ago
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Hello, make sure that all your materials are converted to PBR materials that help with some errors like this.
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By justaviking - 5 Years Ago
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Two additonal thoughts:
HAIR - Check on "transparency" (opacity) of the hair. Not the opacity map, but the overall setting of the object. Opacity=100% ?
RECTANGLE - Verify you have a current Nvidia driver. I know it sounds like the standard "reboot" suggestion, but I've seen drivers cause those sorts of artifacts before (Iray with Substance Painter), so it's worth checking.
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By illusionLAB - 5 Years Ago
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The weird thing about the "light rectangle" is that his knuckles appear to come through it. This would suggest geometry that is meant to be hidden - do you have a reach effector on his gun hand or dummy object?
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By gordryd - 5 Years Ago
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Thanks illusionLAB, you were right on the money! The gun was an accessory and had a "PickDummy" attached to it. Even though it didn't show in the iClone preview, it was marked as "Visible". Changing it to "Invisible" fixed the rectangle problem. And thanks to others with their suggestions.
For the scalp banding, it turned out to be that the Scalp had "SSS" turned off, and the Head Skin had "SSS" turned on (I think this is what it defaults to, so if you start to see this in your renders you know where to check). Unfortunately, the SSS seems to lose the detail in the skin texture, so I turned it off for all skin in the picture. This is what it is supposed to look like (this took 6 minutes to render on my 1050 ti, so don't expect any iRay animations from me soon...). Now if I could just fix the 'dull' eyes...
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By justaviking - 5 Years Ago
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Glad to see you're getting things figured out.
Excellent, action-packed image. 
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