Always grade with an unpremult source with very few exceptions So If the CG is premuliplied then do CG-unpremult-grade-grade-grade etc-premult
You can use the unpremult in a grade/CC node but if there is more than one in a row it's easier to unpremult do ya grades then premult. Howard On 19 Apr 2013, at 06:08, "amstos" <nuke-users-re...@thefoundry.co.uk> wrote: > While we ColorCorrect or Grade a CG render (with Alpha), which of the > following method works best > > Method 1: > -Create and connect 'Premult' node to the CG footage > -Create and connect 'Grade' node to the 'Premult' node > -Create and connect 'Unpremult' node to the 'Grade' node. > -Now when we adjust values on the 'Grade' node, it will also read the Alpha > channel and we get to see nice edges while color correcting. > > Method 2: > -Create and connect 'Grade' node to the CG footage > -Also connect 'Mask' input from the 'Grade' node to CG footage (which will > automatically read the Alpha channel from the CG footage while adjusting > values on the 'Grade' node) > > For me, both methods works good, just that 'Method 2' is simple with minimal > nodes. > > Does anybody has any work experience on both of the above and feel one is > better than then other? > _______________________________________________ > Nuke-users mailing list > Nuke-users@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users _______________________________________________ Nuke-users mailing list Nuke-users@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
