CopyChannels
Copies channels from the secondary input images onto the primary input image and outputs the result.
user
Container for user-defined plugs. Nodes should never make their own plugs here, so users are free to do as they wish.
out
The output image generated by this node.
enabled
Turns the node on and off.
in
The input images
channels
The names of the channels to copy. Names should be separated by spaces and can use Gaffer’s standard wildcards.