| Comp Back Extract | Mask | Output
Extracts a matte of a foreground element based upon a background of any primary (red, green, blue) or secondary (cyan, magenta,
yellow) component. The matte can be adjusted using a graph.
Requires an Input (RGB).
Optionally takes a Combine Matte (A).
Produces an Output (A).
Graph
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The horizontal axis represents the selected component values in, and the vertical axis represents the matte values out.
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Sets the component that will be used when extracting the matte. Select Red, Green, Blue, Cyan, Magenta or Yellow from the
pop-up menu.
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Forces the output image to RGBA mode.
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Premultiplies the output image by the generated matte.
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