ZBrush / Maya Shadow Issue

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  01 January 2013
ZBrush / Maya Shadow Issue


I'm currently working on this sculpt of an old man character, but I have been having an issue which I can't seem to figure out. In my rgb pass there are areas under his chest, on his upper lip, and a bit on his right cheek, that are very distinct and harsh areas of shadow. It almost looks as if the normals are flipped but my normal pass looks accurate. My shadow pass however, is interpreting dark shadows in those areas, and I cannot figure out why.

I'm using ZBrush 4r4
Rendering in VRay

I'm not sure if it's an issue with the maps I've exported from ZBrush or the settings I am using in VRay.

Any help is greatly appreciated!
  01 January 2013
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