Interesting, thanks Adrian. I didn't know that. . . . . . . . . . . . . Gary Jaeger // Core Studio 86 Graham Street, Suite 120 San Francisco, CA 94129 415 543 8140 http://corestudio.com
On Aug 20, 2011, at 2:08 AM, Adrian Baltowski <[email protected]> wrote: > Always when you mean about movs from Alexa remember that in Nuke 6.2 and 6.3 > there is no actual 'raw' functionality in movReader. > In older versions of Nuke (up to 6.1 32bit) when you activate "raw" button, > movReader get values from Quictime's PixelBuffer and copy them directly, > without any clipping, matrix conversions etc. (just scaled it to 0.0-1.0 > float values). > But unfortunately such a functionality of movReader just gone in Nuke 6.2. > Currently so called 'raw' button mean nothing more like "disable gamma > conversion" and is useless or at least term "raw" is very misleading becasue > Reder still performs internal matrix conversion and clipping original values- > it's not what you might expect from "raw"... > You must to use Nuke 6.1 to convert to exr sequence (with Nuke 6.2 you may > use my modified movRedaer_OSX32 from Nukepedia which also preserve 'raw' > functionality). > Then you may apply custom matrices (provided by Arri) and transfer functions > later in Nuke 6.3. Or you need to use sequences converted externally. > > Best > Adrian > > > > > > > W dniu 2011-08-18 16:36:55 użytkownik Gary Jaeger <[email protected]> > napisał: > By the way this could have been avoided if I weren't in the habit of using > colorspace nodes instead of changing the read node. > > I see that the read node still clamps values when doing colorspace > transforms. Why is that? Technical limitation or bug? > > . . . . . . . . . . . . > Gary Jaeger // Core Studio > 86 Graham Street, Suite 120 > San Francisco, CA 94129 > 415 543 8140 > http://corestudio.com > > On Aug 16, 2011, at 1:47 PM, Gary Jaeger <[email protected]> wrote: > > > Never mind. It was a quicktime so Nuke was assuming a default gamma 1.8 on > the read node. I forgot to check that. Duh. Set it to raw data and all is > good. > > On Tue, Aug 16, 2011 at 1:41 PM, Gary Jaeger <[email protected]> wrote: > Viewer lut is set. Tried both sRGB and Rec709. I've already set the LogC > footage to AlexsaLogC. So I have a Colorspace node in AlexaV3LogC, out > Linear. So in your case that would be AlexaLogC > Linear, then Linear > > Rec709, then viewing in Rec709? Isn't that doubling up the Rec709 part since > you're also viewing it through the Rec709 LUT? > > > > On Tue, Aug 16, 2011 at 12:43 PM, Francois Lord <[email protected]> > wrote: > I mean, it looks like your viewer is set to linear. > > > > > On 16/08/2011 15:32, Francois Lord wrote: > Is your viewer set to sRGB/REC709? > I took your image and applied a colorspace conversion from linear to > REC709 only on the Nuke part of it. Both images became nearly identical. > > On 16/08/2011 13:10, Gary Jaeger wrote: > So we have some ProRes4444 footage that was shot on an Alexa in LogC. > When viewed in FCP using the gluetools v3 logC setting the footage looks > correct. In nuke using the AlexaV3LogC it... doesn't. > > What am I doing wrong in nuke? > > http://dl.dropbox.com/u/ 4327868/nuke_v_gluetools.jpg > > thanks! > > -- > Gary Jaeger // Core Studio > 86 Graham Street, Suite 120 > San Francisco, CA 94129 > 415 543 8140 > http://corestudio.com <http://corestudio.com/> > > > > ______________________________ _________________ > Nuke-users mailing list > [email protected]. co.uk, http://forums.thefoundry.co. uk/ > http://support.thefoundry.co. uk/cgi-bin/mailman/listinfo/ nuke-users > ______________________________ _________________ > Nuke-users mailing list > [email protected]. co.uk, http://forums.thefoundry.co. uk/ > http://support.thefoundry.co. uk/cgi-bin/mailman/listinfo/ nuke-users > ______________________________ _________________ > Nuke-users mailing list > [email protected]. co.uk, http://forums.thefoundry.co. uk/ > http://support.thefoundry.co. uk/cgi-bin/mailman/listinfo/ nuke-users > > > > -- > Gary Jaeger // Core Studio > 86 Graham Street, Suite 120 > San Francisco, CA 94129 > 415 543 8140 > http://corestudio.com > > > > -- > Gary Jaeger // Core Studio > 86 Graham Street, Suite 120 > San Francisco, CA 94129 > 415 543 8140 > http://corestudio.com > > _______________________________________________ > 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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