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DEFINING THE TERMS
A roto artist must be familiar with a set of terms and definitions. These terms are not only key to understanding rotoscoping, they are necessary for success in the VFX industry:
• Comp. Short for composition. This is a general term used to describe a digital artist’s work area. This includes the timeline, viewing area, and layering and effects windows—pretty much anything that you look at while working in a VFX program. This applies (but is not limited) to roto artists, compositors (also called compers), and motion graphic designers.
• Matte. A black-and-white frame or set of frames that tells the program what is visible and what isn’t. White (color ID 1) is visible; black (color ID 0) is not. Gray areas are visible ...
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