Unpremult node

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This documentation is for version 2.0 of Unpremult.

Description

Divide the selected channels by alpha (or another channel)

If no channel is selected, or the premultChannel is set to None, the image data is left untouched, but its premultiplication state is set to UnPreMultiplied.

See also: http://opticalenquiry.com/nuke/index.php?title=Premultiplication

Inputs

Input Description Optional
Source   No

Controls

Parameter / script name Type Default Function
By / premultChannel Choice A
The channel to use for (un)premult.
None: Don’t multiply/divide
R: R channel from input
G: G channel from input
B: B channel from input
A: A channel from input
Clip Info... / clipInfo Button   Display information about the inputs