zbrush and adding textures to polygroups
Sorel
Posts: 1,412
in The Commons
I seem to be having trouble doing this for some reason. I followed these directions here
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Load your model to Zbrush as you usual do , manually OBJ or via GoZ when you use GoZ you don't have to do anything, just select your preferred UVs in the surface tab, and on export click send with deformation so it keeps the UVs of your choice
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Under POLYGROUPS tab
click AUTO GROUPS WITH UV'S and after that MERGE SIMILAR GROUPS
this way all your polygroups will reflect the texture templates of Genesis or any other model -
next step it to select the polygroups individually , select shift+ctrl and click on the first poly group in this case the face the rest of the polygroups will hide
load your textures of the face , I use GOZ from DS so the textures will be not upside down , in case you load the model obj manually you will have to switch the position of the textures vertically under TEXTURES in the menu bar but I am assuming you know how to do that already ..
going back to our steps , after you load your face texture maps go to the POLYPAINT tab
When I tried this a while back it worked fine in zbrush 4R7, but when I try it in the current version 4R8 the texture applies to the entire figure instead of just the selected polygroup. And if I try to apply another texture to a different polygroup it justa pplies that texture to the whle figure. I dont know if something has changed and I need to do some other steps now? I'm hoping someone can help me out here.

Comments
In 4R8, I've found that I have to click on Polypaint from Texture in the Polypaint pane for it to be restricted to the specific area; I don't know if that's a bug in zBrush or how it's supposed to work now.
Thanks, that seems to have worked. Although it is odd you have to do ti like that though.
You're welcome.
As far as I know ZBrush supports only one texture for the whole model / subtool.
You can try to use polypaint to somehow load textures one by one and add them to the polypaint, or create a new 'all in one' UV-map in ZBrush.
See this thread I once wrote about this subject.
G3f textures in zbrush