Node reference

Channel nodes

ChannelSelector

Shows one channel in every channel (or the luminance, or the matte over the picture).

Inputs: input.

Setting	Default	Range or choices	What it does
channel	RGB	Luminance, Matte overlay, RGB, R, G, B, A	RGB: the picture unchanged; R, G, B or A: that channel in every channel; Luminance: the luma in R, G and B; Matte overlay: the alpha as half-strength red over the picture.

Type name: LayerContactSheet (scripts, MCP and Nuke import use it).

Every layer of the input side by side in a grid.

Inputs: input.

Setting	Default	Range or choices	What it does
width	3072	1 to 8192	The sheet's size in pixels.
height	2048	1 to 8192	The sheet's height in pixels.
rows	3	1 to 10	How many cells down the sheet.
columns	4	1 to 10	How many cells across the sheet.
auto dimensions	on		Pick rows and columns to fit the layers largest.
gap	0	0 to 100	Pixels around and between the cells.
center	off		Centre each picture in its cell (else at its bottom-left).
row order	TopBottom	TopBottom, BottomTop	Where the first row is: at the bottom (BottomTop) or the top.
column order	LeftRight	LeftRight, RightLeft, Snake	Snake: every other row right to left.
show layer names	on		Each layer's name under its picture (Nuke's; on by default here, off in Nuke).

Type name: Remove (scripts, MCP and Nuke import use it).

Removes channels, or keeps only the ones listed.

Inputs: input.

Setting	Default	Range or choices	What it does
operation	remove	remove, keep	Drop the channels listed, or keep only them.
channels	all		all, rgba, rgb, alpha, none, a layer (depth) or a channel (depth.Z).
channels2	none		More channels, as `channels`.
channels3	none		More channels, as `channels`.
channels4	none		More channels, as `channels`.