if that doesn't help, when you get a chance can you please zip and attach the scene file here or via dropbox/google drive or another file sharing program so I can take a look at it? If the file is confidential or under NDA please send it to me in a private message instead of posting it here.
For most mesh, the uv map is completely slipped from the origin because I imported an .3ds file (exported from archicad) into the maya. In spite of using "automatic mapping", I can see the borders only by zoom out.
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