This type of thing can also be a result of mesh resolution since viewport res tends to be one level lower than render res. So when you do an actual render some of the small details you didn't see in the viewport show up and occasionally clip. Either lower your render res or set you viewport res higher so you can see the finer details.
Even with a large scene, why would you need to move your characters out of the grid as opposed to moving the set/cameras?
If she had actually existed, I would have done a whole lot better in school.
Something from the hair(most likely the hair cap) is clashing with her forehead. I suppose that goes away when you remove her hair
I get that too sometimes. I usualy fix this in postwork with a healing brush. But reducing the cap size might do the trick.
Skull cap of hair (even with transmap) is intersecting with forehead. Remove trans map from the cap in surfaces and then adjust the hair until it's just outside forehead. Then reapply transmap.
Good idea.Using a basic noise tile with Metallic Flakes to simulate skin sebum.
I first thought it was a retarded idea but went better than expected
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I never have thought about this kind of "abuse" on the Iray layer system.
