Rotoscoping & Custom Masking

Unlimited masks per layer. It has a nice ring, doesn't it? Other compositing applications limit the number of masks to 127 per layer, which sounds like a lot, until it's compared to the number of masks per layer allowed in RED: unlimited.

By combining the precision of vector tools for creating spline objects, and an exceptional range of options for animating them, RED offers superior tools for rotoscoping: creating and animating precise, custom vector masks. Masks can be inverted with one click, and be animated with motion blur.

Any parameter related to strokes and fill used to comprise the mask are in fact animatable: softness, opacity, composite modes and jitter are just a few of these. Onion-skin views are available to observe changes simultaneously across multiple frames.

Custom, animated vector masks are just the beginning of RED's masking power. Every track contains its own nested mask track, allowing any compositional element to be used as a mask, and just as easily inverted. With the unique Boris PixelChooser™ technology, dynamic pixel-based masks can be created using the pixel information from any channel (individual color channels, alpha, luma, HSL Difference, etc.). PixelChooser allows any layer, including a nested multi-layer composition, to provide the channel information for masks, so that channel information from one layer or set of layers can serve as the basis of the mask for another.

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