This is a setting for Fusion, it might need to be adapted to Nuke. Nuke's default Cineon conversion uses 95 as a black point and 685 as a white point. I would imagine that nearly everyone uses this as it is Nuke's default, and has been industry standard since the 80s.
On Apr 21, 2011, at 9:21 AM, Tahl Niran wrote: > I didnt think anyone was still using the 95,685 style log ? > > Most places I have worked in the past few years have been using the Josh > Pines technique: > > http://www.vfxpedia.com/index.php?title=File:JoshPinesLogLin_v01.setting&limit=500 > > > > ----------------------- Tahl Niran vfx compositor www.tahlniran.com > > > > From: [email protected] > To: [email protected] > Subject: RE: [Nuke-users] Grade clamping > Date: Thu, 21 Apr 2011 12:17:45 -0400 > > DPX scan with very dark value (below 95) goes under 0 once in linear. What > technique do you use in those cases ? > On Thu, 21 Apr 2011 16:13 +0000, "Tahl Niran" <[email protected]> wrote: > > why would you have negative RGB values in a linear pipe? > > there are many Nuke nodes that will clip at 0, especially mergers. I think > you need to take a look at what your colour conversion to linear is doing. > > the only time I would expect to see negative values would be in secondary > channels like pWorld or maybe zDepth and generally speaking the only thing I > would use a grade node for is to maybe normalise depth. > > > ----------------------- Tahl Niran vfx compositor www.tahlniran.com > > > > Date: Thu, 21 Apr 2011 11:19:15 -0400 > Subject: Re: [Nuke-users] Grade clamping > From: [email protected] > To: [email protected] > > the reason is in alpha channel - matte. > > _______________________________________________ Nuke-users mailing list > [email protected] > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users > _______________________________________________ > Nuke-users mailing list > [email protected] > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users > > > -- > Hugo Léveillé > TD Compositing, Vision Globale > [email protected] > > _______________________________________________ Nuke-users mailing list > [email protected] > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users > _______________________________________________ > Nuke-users mailing list > [email protected] > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
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