Comp Back Extract

| 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

Graph	The horizontal axis represents the selected component values in, and the vertical axis represents the matte values out.
Comp	Sets the component that will be used when extracting the matte. Select Red, Green, Blue, Cyan, Magenta or Yellow from the pop-up menu.
Make Cutout	Forces the output image to RGBA mode.
Premultiply RGB	Premultiplies the output image by the generated matte.

Mask

Controls this operator's Mask Options.

Output

Controls this operator's Output Options.

Except where otherwise noted, this work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License