Hey Guys, I am trying to find out if it is possible to compare 2 images in Nuke.
For example I would like to compare an image against a colorwheel, and have the colorwheel only show the colours that the image and it have in common. I tried running a sampler pixel by pixel over the image to gather an array of RGB values, then i thought i could somehow use a mergeExpression to compare against the values, but then i realised i had no idea how to do that. Also to run a sampler pixel by pixel is super super slow. Any one catch what I mean? Any ideas? Cheers! Adam
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