I might be misunderstanding you, but why the srgb2lin conversion? RedcineX only outputs linear exrs so as far as I know you shouldn't use any colorspace convertions in Nuke if you chose that path. You can test this if you try different gamma curves in RedcineX and render to EXR. They should all look identical.
Regarding my earlier post about half float linear gamma setting in Nuke should match a rendered exr from RedcineX, I just tested this and it doesn't seem to work. I'm pretty sure this worked earlier, but I might be wrong. The "linear gamma curve" in Nukes R3D importer is an old one and shouldn't be used. Not sure why it's still there. This whole R3D in other applications often causes problems. Same in After Effects. I find that the most reliable solution (still unreliable) is to output from RedcineX. /Simon 2011/12/20 Deke Kincaid <dekekinc...@gmail.com> > I forgot to mention that It all depends what file format your > outputting. If your outputting to dpx or tiff then set the decode > colorspace/gamma curve the same as RedcineX but in the write node set the > colorspace to "linear". While working with the R3d though, the viewer will > look different from RedcineX unless you set it to linear. After reading > back in the dpx/tiff, then you can set the viewer back to srgb and it will > look correct. > > If your outputting to Exr from RedcineX then you need add a colorspace > node with in:sRGB and out:Linear (Read node settings all should match > RedcineX). While this is technically incorrect but it will give you the > equivalent of burning the grade into the EXR. > > People here are mentioning using Half Linear Float which does properly > linearize the curve form the chip when going to EXR. You would need to > extract a lut between the linear R3d and your director's color to use as a > viewer lut and use that in the write node. > > -deke > > > On Tue, Dec 20, 2011 at 00:15, Ron Ganbar <ron...@gmail.com> wrote: > >> Thanks for this Deke. >> The settings are all the same, but looking at the Nuke Viewer set to >> sRGB, I see a very washed out image - what I would normally consider a >> Cineon looking image. Looking at the Redcine-X viewer it looks correct. >> Any ideas? >> >> >> Ron Ganbar >> email: ron...@gmail.com >> tel: +44 (0)7968 007 309 [UK] >> +972 (0)54 255 9765 [Israel] >> url: http://ronganbar.wordpress.com/ >> >> >> >> On 20 December 2011 09:48, Deke Kincaid <dekekinc...@gmail.com> wrote: >> >>> First, try hitting the "Metadata" button in the read node. That should >>> make it grab the right color settings. If not you can match the same >>> settings in Nuke as the one he has in RedcineX (they should all be named >>> the same). >>> >>> Also make sure your using Nuke 6.3v5 because it includes RedGamma2 and >>> RedColor2 which is missing from versions before that (older SDK). >>> >>> -deke >>> >>> On Mon, Dec 19, 2011 at 23:34, Ron Ganbar <ron...@gmail.com> wrote: >>> >>>> Hi all, >>>> I don't have a lot of experience with converting R3D files, but I so >>>> far did it with Nuke and was pretty happy with the result. >>>> However, a director, who is technically minded, just told me that when >>>> he takes something into Redcine-X and without changing the color at all he >>>> gets something he likes. I did the same thing, and indeed the image looks >>>> nice. When I do the same thing in Nuke I get a very washed image. What's >>>> the output colorspace of the Nuke R3D read node? How can I get the same >>>> kind of output from Nuke's Read node to Redcine-X's output? >>>> >>>> Thanks, >>>> Ron Ganbar >>>> email: ron...@gmail.com >>>> tel: +44 (0)7968 007 309 [UK] >>>> +972 (0)54 255 9765 [Israel] >>>> url: http://ronganbar.wordpress.com/ >>>> >>>> >>>> _______________________________________________ >>>> 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 >>> >> >> >> _______________________________________________ >> 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 > -- -------------------------------- Stiller Studios Lidingö/Sweden Simon Björk Stiller Studios +46 (0)8 555 23 560 Ekholmsnäsvägen 40, S-181 41 Lidingö si...@stillerstudios.se www.stillerstudios.se find us: http://www.eniro.se/query?search_word=stiller+studios&geo_area=liding%F6&what=all
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