Messed up UVWs from Max to Zbrush

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Old 05 May 2013   #1
Messed up UVWs from Max to Zbrush

Hello, I have been working on a character for a while now, and it was time to texture it. I unwrapped the head in 3dsMAx and it doesn't have problems, the checker map, as well as the baked lightning map and normal map are working. Now, I wanted to create a diffuse map with polypaint and so I exported it to zbrush as an OBJ (ZbrushPreset), and when I import the obj into zbrush and I create a texture, wether it's from polypaint or whatever, it creates all this artifacts with the UVs. Does Anybody know why this happens or how to fix it?

 
Old 05 May 2013   #2
Your uvs go outside of the 0-1 area. On the left and on the top a few polygons go over the line. Either move them back into the 0-1 area by hand or use Tools-> Pack UVs in the UV edit window.
 
Old 05 May 2013   #3
You are right, that was it. Thank you very much!
 
Old 05 May 2013   #4
You should also make sure there are no overlapped faces which can cause similar issues as well.

Turn on the "Polygon" selection (red box icon) in the edit uv window and then go to Select menu-> Select Inverted/Overlapped faces and fix anything that turns red. If the selection menu is greyed out you have the wrong selection mode selected.
 
Old 05 May 2013   #5
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