I am having this weird issue when generating maps, its really annoying, i am getting a couple verts in my UV map that is not being flipped when coming out of z brush here is a screen shot of the map
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I think probably your UVs extend right to the edge of the UV space (so that there are values exactly 0 or 1 for a 0-1 space). This means ZBrush will wrap those points causing the lines. If you scale down the UVs a touch so that they are inside the space then all should be good.
Thanks will try this
Yep that took care of it thanks!
Great. 