You can do it with a MergeExpression node. I'm setting the midpoint at .5 in
this example:
set cut_paste_input [stack 0]
version 6.3 v8
push $cut_paste_input
push 0
MergeExpression {
inputs 2
temp_name0 x
temp_expr0 .5
expr0 "Ar <= x ? 1-(1-Br)/(2*Ar):Br/(2*(1-Ar))"
expr1 "Ag <= x ? 1-(1-Bg)/(2*Ag):Bg/(2*(1-Ag))"
expr2 "Ab <= x ? 1-(1-Bb)/(2*Ab):Bb/(2*(1-Ab))"
name MergeExpression1
selected true
xpos 266
ypos -50
}
On Jun 8, 2012, at 2:45 PM, KarenB88 wrote:
> Hello,
>
> Is it possible to replicate the Photoshop blend mode called Vivid Light in
> Nuke?
>
> Thanks
>
>
> - Karen
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_
Craig Tozzi
twothousandstrong
venice, california
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