Last I knew RedcineX only outputs EXR to "linear" which caps out at 1.0, not half linear float.
-deke On Tue, Dec 20, 2011 at 04:29, Simon Björk <[email protected]> wrote: > 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 <[email protected]> > >> 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 <[email protected]> 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: [email protected] >>> 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 <[email protected]> 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 <[email protected]> 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: [email protected] >>>>> tel: +44 (0)7968 007 309 [UK] >>>>> +972 (0)54 255 9765 [Israel] >>>>> url: http://ronganbar.wordpress.com/ >>>>> >>>>> >>>>> _______________________________________________ >>>>> 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 >>>> >>> >>> >>> _______________________________________________ >>> 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 >> > > > > -- > -------------------------------- > Stiller Studios > Lidingö/Sweden > > Simon Björk > Stiller Studios > +46 (0)8 555 23 560 > Ekholmsnäsvägen 40, S-181 41 Lidingö > [email protected] > www.stillerstudios.se > > find us: > http://www.eniro.se/query?search_word=stiller+studios&geo_area=liding%F6&what=all > > > > _______________________________________________ > 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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