Simon, your settings work a treat. I would love to know what's actually happening, though. What is Linear Half Float? What process is happening inside there? And finally, am I right in assuming that the output of the Read node is a linear image?
Thanks, 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 14:51, Ron Ganbar <[email protected]> wrote: > Hi guys, > I have yet to try your suggestions (on a different job this morning), but > just to explain - I'm not talking about file output from Redcine-X - just > what I see in the Viewer. > Simon, I will try the setting combination you mentioned earlier tonight > and will report back. > > Thanks all! > > > 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 14:29, 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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