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Normals and tilable textures

polycounter lvl 14
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SaferDan polycounter lvl 14
Hello so im making this model

pc1.jpg

and basically the idea is to have this as a base and have the uvs for this on a tilable texture and use geometry and decals and vertex painting etc to dress it up.

My question is, the buidling also has a high poly and i am wondering how to have uvs set up for the tilable texture AND the normals? My thinking at the momemnt is you need to set up a 2nd uv set for the normals? I have no idea how to do this though? I can create an empty set in maya but dont know how to bake the normals onto that set, and tbh i dont even know if this is the right way to go about it!

This will go into UDK and i know that you can have another uv set for decals so yeah any help to aid my confusion would be awesome :)

sorry for the block of text!

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