Yes works better - though you could do any maths you want from the I guess.
Howard
>________________________________
> From: Lewis Saunders <[email protected]>
>To: [email protected]
>Sent: Friday, 26 October 2012, 15:21
>Subject: [Nuke-users] Re: change knob value based on channel value
>
>Howard Jones wrote:
>> Would this work? or too simple?
>
>Sure! Though if you multiply hue by the control image instead of
>adding it things get weird between red and purple, see below...
>
>It's a nice touch that Nuke's Colorspace node wraps hues above 1.0
>back to their correct values instead of clamping them.
>
>--
>Lewis Saunders
>Rainbow Dash
>London
>
>
>
>ColorWheel {
>inputs 0
>gamma 0.45
>name ColorWheel1
>selected true
>xpos -760
>ypos -828
>}
>Ramp {
>output depth
>cliptype none
>p0 {2166 786}
>p1 {936 992}
>name Ramp6
>selected true
>xpos -760
>ypos -739
>}
>Colorspace {
>colorspace_out HSV
>name Colorspace1
>selected true
>xpos -760
>ypos -625
>}
>Expression {
>expr0 r*z
>name Expression1
>selected true
>xpos -760
>ypos -553
>}
>Colorspace {
>colorspace_in HSV
>name Colorspace2
>selected true
>xpos -760
>ypos -481
>}
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