There are numerous uses for the Paint operator. Examples are hand-drawn and ‘tween’-driven cartoon animation, titles and character generation, wire/rig removal, actor blemish touch-ups, laser blasts, and alpha channel touch-ups when creating a chroma key shot. Real Time Roto™ is a term Autodesk uses to describe a process that takes advantage of multiple viewports. You paint on a single frame in one viewport while another viewport is constantly caching and playing back your entire animation in real time as you work. This is an excellent way, for example, to see the progress of a wire removal shot as you work or even to have instant playback of ...

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