Ironically monitor at float creates banding, 8 bit doesn’t because 8 bit dithers but the others don’t. The dithering was added to avoid this sort of confusion because of (some) monitors being 8 bit.
H On 14 Jan 2015, at 08:39, Adrian Cruceru <[email protected]> wrote: > Hi J > > You did right, the sampler tool is what you need and unfortunately is looks > like your monitor is picky :( > > A > > On Tue, Jan 13, 2015 at 11:58 PM, Jason P Nguyen <[email protected]> > wrote: > Damn, it might be the monitor. Moved the viewer to my dell monitor and it > doesn't look banding at all. > Viewer pref is float. > > Hey Adrian, which curve type in the curve tool do I need to sample, > intensity, exposure, or Luma? They all just gave me rob numbers w/o the > visual curve. . I plugged the sampler node under the ramp instead, and it > gave visual graph. Looks smooth . . So I would say the monitor, even on > client's side > > Thanks all. > > J > > On Jan 13, 2015 3:49 PM, "Adrian Cruceru" <[email protected]> wrote: > Sorry about the advice on the curve tool, you need the sampler instead, if > will quickly show you if you have real banding in the actual data which is > simply repeating pixels nothing more. > You can test the sampler with a ramp and a posterize tool too see what > banding will look like in the analyzed curve > Hope it helps > > Cheers > > Adrian > > On Tue, Jan 13, 2015 at 11:34 PM, chris <[email protected]> wrote: > On 1/13/15 at 11:23 PM, [email protected] (Jason P Nguyen) wrote: > The client also saw the banding from the grad i had on a sky. > > hmm, are you seeing banding in the ramp/mask falloff or in the sky? > > if it's only in the sky it could well be an issue with the footage (8bit > and/or compressed). if you see it in the alpha itself then most likely a > screen issue, but as others have said, plotting a curve is a good way to make > sure. > > chris > > > _______________________________________________ > Nuke-users mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users > > > > -- > Adrian Cruceru > df(x) > > _______________________________________________ > Nuke-users mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users > > _______________________________________________ > Nuke-users mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users > > > > -- > Adrian Cruceru > df(x) > _______________________________________________ > Nuke-users mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
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