Opacity v1.1

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Contributor: Octavio Mancilla
A simple Opacity node
9.0, 8.0, 7.1, 7.0, 6.3, 6.2, 6.1, 6.0 or later
Linux, Mac, Windows
09 Oct 2015


Dead simple solution to the lack of an actual opacity node in Nuke.

Inside there's nothing more than a multiply modifying the alpha output.

The slider controls the amount of opacity you want (a la After Effects, please forgive me).


UPDATE: don't sweat too much on this one, it's solely purpose is to have it just because it's fun.

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+1 # Alexey Kuchinski 2015-10-08 07:44
why not 'Multiply' node? (rgba)
+2 # Octavio Mancilla 2015-10-08 13:24
You're absolutely right! I did this just for my own indulgence. I find having a "fixed" Opacity node easier to spot and handle, you know, one of those small things in life.
0 # Alexey Kuchinski 2015-10-08 13:35
you can change the name and color of the node so it will be more visible, to create gizmo for that sounds like an overkill :)
0 # Charles Taylor 2015-10-09 14:49
This is correctly done with the "Mix" slider in the merge node.
+1 # Simon Jokuschies 2015-10-11 12:38
Charles is right, what about the mix slider. Alternatively there is a dissolve node to build an opacity slider
0 # moh gho 2019-05-23 00:01
you can also simply add a Absminus node that is similar to merge with the diffrence opperation - and then make a copy of youre image put one of them to the a and the other to the b and now simply just control youre opacity with the mix option of youre node properties :-)

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