Hi; Converting rec709 to linear with grade works in that I don't have any clipped values above 1023 or below 0, but now the new image looks washed out. Is there a way to convert to linear space and keep an identical image?
Thanks Paul On Mon, Jun 6, 2011 at 2:58 AM, Abraham Schneider <[email protected]>wrote: > Hi there! > > Not quite sure what you're trying to achive: first converting legal > range rec709 to full range rec709 and then convert it to normal linear > footage? > > Getting from legal range to full range could be done with a single > grade node. Just use "64/1023" as value for blackpoint and "940/1023" > as whitepoint. This expands the values between 64-940 to the range > 0-1023. > > Afterwards you could use a normal colorspace node to convert from > fullrange rec709 to linear. > > Abraham > > > Am 04.06.2011 um 20:29 schrieb Paul Fiebiger: > > > Does anyone know of an elegant solution to legally scale rec709 >> (64-940) to rgb (0-1023)? >> I ultimately would like to convert rec709 to linear rgb without >> having black and white values get clipped. >> >> Thanks >> Paul Fiebiger >> >> >> > Abraham Schneider > Senior VFX Compositor > > > ARRI Film & TV Services GmbH > Tuerkenstr. 89 > D-80799 Muenchen / Germany > > Phone +49 89 3809-1269 > > EMail [email protected] > www.arri.de/filmtv > _______________________________________________ > >> Nuke-python mailing list >> [email protected], http://forums.thefoundry.co.uk/ >> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-python >> > > ________________________________ > > > ARRI Film & TV Services GmbH > Sitz: München Registergericht: Amtsgericht München > Handelsregisternummer: HRB 69396 > Geschäftsführer: Franz Kraus, Dr. Martin Prillmann, Josef Reidinger > _______________________________________________ > Nuke-python mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-python > -- Paul Fiebiger Technical Director ICO VFX 727 South Main St. Burbank, CA 91506 818-766-6070 (o) 520-975-0280 (c) www.icovfx.com
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