We are sharing the project with ColorWorks in LA and luckily we were able to
match our color pipelines where it matters.
But I'm with you regarding ACES pipelines, currently it's simply not a reality
for most jobs if not all.
On Fri, May 10, 2013 at 10:16 AM, Francois Lord <[email protected]>
wrote:
> Yeah that's pretty much what I'm doing currently. Load the files in Nuke
> and use the RRT for viewing. But I don't feel quite ready to use the
> aces pipeline across the entire show just yet. We would have to produce
> all the CG elements in aces and convert other sources material to aces
> which is not always that easy. In addition, we are not the only vendor
> on this show and we will have to share shots between vendors. I would
> prefer to use a simpler pipeline.
> The files come from Technicolor France.
> On 09-May-13 18:24, Diogo Girondi wrote:
>> We are working on one right now, but we've got the original MXF files
>> from the camera.
>>
>> What we did was to convert the RAW MXF files using using Sony's
>> RAWViewer to 4k OpenEXR Half-Float linear files with the ACES gamut.
>>
>> We didn't use DaVinci or OCIO for the conversion because they both share
>> the same F65 IDT which still beta and a bit off if compared to the
>> results Sony's RAWViewer and Baselight are yielding.
>>
>> In Nuke we use the ACES settings from OCIO just to make use of it's sRGB
>> RRT for monitoring.
>>
>> Do you have any info on where and how these files you've got were processed?
>>
>>
>> cheers,
>> Diogo
>>
>>
>>
>> On Thu, May 9, 2013 at 6:26 PM, Howard Jones <[email protected]
>> <mailto:[email protected]>> wrote:
>>
>> The line in the manual
>>
>> Y = Power(10.0, ((t - 0.616596 - 0.03) / 0.432699)) - 0.037584
>>
>> matches exactly the builtin sLog LUT, but I guess you knew that ? -
>> I couldn't see an sLog2 curve.
>>
>> Howard
>>
>> ------------------------------------------------------------------------
>> *From:* Lewis Saunders <[email protected]
>> <mailto:[email protected]>>
>> *To:* nuke-users <[email protected]
>> <mailto:[email protected]>>
>> *Sent:* Thursday, 9 May 2013, 21:52
>> *Subject:* [Nuke-users] Re: sLog2 and S-Gamut from F65 camera
>>
>> Francois Lord wrote:
>> > Is there a way to convert from aces to normal sRGB for
>> > viewing, without using the RRT?
>>
>> You could do ACES to XYZ with the matrix on page 13:
>>
>> https://github.com/ampas/aces-dev/blob/master/docs/ACES_1.0.1.pdf?raw=true
>> ...then XYZ to sRGB with a Colorspace node.
>>
>> If anyone has the actual SLog2 or S-Gamut docs (with the formulas
>> legible!) I'd love to see... it might be possible to extrapolate from:
>>
>> https://github.com/imageworks/OpenColorIO-Configs/tree/master/aces/luts/sony
>>
>> http://pro.sony.com/bbsccms/assets/files/mkt/cinema/solutions/slog_manual.pdf
>>
>> To be honest I'd beg for correct LUTs from the post people, or the
>> usual it-looks-different problems will surely errupt :)
>>
>> --
>> Lewis Saunders
>> looks different
>> London
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