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
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