By using advLutRender 2 you get a .shklut. That together with and exposure node brings you fairly close. But not perfect.
2012/4/30 Simon Björk <[email protected]> > Very interesting! I managed to create a lut file following your steps, but > I'm not having any luck using it in Nuke (or other programs). > > I would guess the created lut is a linear2redgamma curve? Then the > question is what that base is in Nuke as there are two options - linear and > half float linear. I believe (not sure) that the linear option is what > comes out of the sensor. But if I try to apply the created lut on a linear > file I get a very bright image, almost completely blown out. > > Attached is the lut. > > 2012/4/30 Deke Kincaid <[email protected]> > >> So one question you need to answer is what is the LUT it output's >> transforming from? If the baseline is Linear then you can simply inverse >> it but it may not be that simple. >> >> For step 4 I would look at 6.3v7's new Color>OCIO>OCIOFileTransform node >> which will let you inverse it pending it is only a 1d Lut (3d lut's can't >> be inversed). >> >> -deke >> >> On Sun, Apr 29, 2012 at 19:51, rsgca >> <[email protected]>wrote: >> >>> ** >>> Okay, so have I got this process correct? >>> >>> 1. In RCX, set the gamma space to REDgamma2 for the clip and save >>> the RMD. >>> 2. In terminal, run "redline --exportPreset "DPX" --i "/path/to/R3D" >>> --outDir "/Users/Richard/Desktop" --useRSX 2 -s 140 -e 141 >>> --advLutRender 3" >>> 3. Use the generated .csp file to create an inverse curve >>> 4. Apply the inverse curve with a vertorfiled node to the REDgamma2 >>> DPX in nuke >>> 5. Write out a Cineon DPX >>> >>> I'm not certain how to make an inverse of the csp file or whether the 1D >>> csp file will work in the vectorefield node. >>> >>> >>> ------------------------------ >>> >>> Richard >>> >>> _______________________________________________ >>> 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 > > > -- -------------------------------- 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
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