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Manny Jimenez

Seams in Normal Map from Zbrush

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Hi everyone,

 

I'm modeling a character and I'm running into a problem. After unwrapping in Unfold3D and a quick detail sculpt in Zbrush, I'm getting all kinds of shading errors along my UV Seams (See attached) I'm not really sure what to troubleshoot. I messed around with the Phong tag and tried Re-exporting my normal map in Zbrush but neither worked. I also tried selecting the problem edges and breaking/unbreaking phong selections, which only sort of fixed a single line out of several.

 

Does anyone know what the problem here is? 

 

Thanks!

ZbrushNormal.PNG

Normal Seam Issue.PNG

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Admin

Can you upload the scene file? Its hard to tell like this. Usually if Normal Map not working, then UVs arent good!

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Perhaps, you're actual normals are not set-up properly (i.e. there are edge breaks or so)?

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  • Author of the topic Posted

    After some trial and error, I think I figured it out. It was a combination of two things. First, I needed to "Unbreak" the Phong Shading along the edges where UV Map was split.

     

    Second, in Zbrush I baked my normal map out at Subdivision level 1, when it should have been 2 or 3. I re-baked it out and everything looks as it should now. I got two edges in the back that aren't perfect but I think it's fine considering it'll be covered up.

     

    Anyways, Thanks again guys!

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    You get my 'Poster of the day' award. :Yes:Capitals in the title, correct section, and posted your solution ! You can come again :)
    CBR

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    2 hours ago, Cerbera said:

    You get my 'Poster of the day' award. :Yes:Capitals in the title, correct section, and posted your solution ! You can come again :)
    CBR

    Thanks. Hope this helps someone in the future :)

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