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#apertus IRC Channel Logs

2015/08/20

Timezone: UTC


00:02
g3gg0
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00:14
Bertl_oO
off to bed now ... have a good one everyone!
00:14
Bertl_oO
changed nick to: Bertl_zZ
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michele__
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06:18
michele__
#apertus-int
06:50
g3gg0
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07:37
se6astian|away
changed nick to: se6astian
07:37
se6astian
good morning
07:37
se6astian
thanks troy_s!
07:52
kgugala
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08:47
troy_s
se6astian: No problem.
08:47
troy_s
Folks bugger that up all the time. Even if your middle grey is slotted differently it can botch a basic LUT.
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cbohnens|away
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09:23
cbohnens
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09:23
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09:26
Bertl_zZ
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09:26
Bertl
morning folks!
09:26
mars_
morning
09:38
cbohnens|away
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masplund
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10:17
danieel
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13:09
irieger
Hey troy_s and se6astian. Was on the road the last days. Adding to your LiveGrade AIR discussion:
13:11
irieger
se6astian: It's a nice tool to try out looks I think and therefore the camera doesn't matter. When applied to actual camera images this would work to create a look for in the camera or post also.
13:12
irieger
But compared to what a full color grading system can do it's just a small feature set. In general often even with on set grading the DI colorist will build the look again on his own to have it match his grading style instead of having a "magic" kind of LUT thrown on the material.
13:13
troy_s
irieger: I don't believe that was se6astian 's point.
13:13
irieger
Good thing with CDL is: It's easy to implement and only some basic mathematics. For a homework I already implemented the CDL transforms.
13:13
irieger
troy_s: Just adding for general knowledge
13:14
troy_s
The issue is that an input set of data is particular, and LUTs are heavily input dependent.
13:14
troy_s
Eyeballing crap is also rather 1990
13:14
troy_s
In a world that relies heavily on post production, having proper colour transforms is critical, especially for CG elements.
13:15
troy_s
But regarding looks, they do indeed bake LUTs.
13:15
troy_s
The only issue is that the input must match the contexts, something rather dice chancey if someone is using a third party LUT. Easier if within a known pipe
13:16
irieger
Of course. But may be an option for some people. And the best point of CDLs is, that it is system-independent and can be exchanged between different grading systems.
13:16
troy_s
Those apps seem to be very snake oily.
13:16
troy_s
It is well spec'd, but not exactly independent
13:16
irieger
troy_s: That's why I prefer a well defined workflow with ACES or something comparable.
13:16
troy_s
Not without someone that is aware of the context under which the CDL was generated.
13:17
irieger
troy_s: That's with every LUT, color transform etc. and not a thing specific for CDL
13:17
troy_s
Most grades are against the raw colour space of a given camera, generally off of a log entry point (one of the many log entries)
13:19
irieger
That's the thing people get out of camera on set most times so they use it ...
13:19
troy_s
CDL is great. Could use a fulcrum.
13:20
troy_s
But sadly I suspect folks aren't quite aware enough of the input variables and probably think it is interchangeable.
13:20
troy_s
(You can sort of adjust the fulcrum with O for S and P, but alas.)
13:21
irieger
You are right. For people not understanding color spaces and stuff may use it wrong or assume it does stuff that it wouldn't.
13:26
troy_s
I know more than a few peeps who get the "You must have used the wrong LUT" when they were the ones in error thinking you can just slap transforms onto any input.
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14:11
cbohnens
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cbohnens|away
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14:52
se6astian
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15:21
irieger
troy_s: That must be one of the reasons big postproduction houses have their technicians how setup everything before the session starts so that all is set correctlly beginning with the monitor color space, color space settings in the software etc.
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cbohnens
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se6astian|away
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se6astian
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