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ZBrush® Character Creation: Advanced Digital Sculpting, Second Edition by Scott Spencer

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UVs in ZBrush

UVs are the coordinates that allow the computer to unwrap a 3D object into a 2D plane for texture application. A good analogy is to think of unstitching a soccer ball and laying it out flat (Figure 5-1); this is a spherical object that has been unfolded into a flat plane. In Figure 5-2 you can see a 3D model of a head and the accompanying UV Texture coordinates. There are several methods of generating UVs using ZBrush’s built-in automatic mapping tools, or you can lay out UVs by hand in third-party applications such as Maya or Headus UV.

Figure 5-1: Unwrapped soccer ball

f0501.eps

Figure 5-2: A head model and corresponding hand-laid UVs ...

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