>
> The slightly tricky thing with Nuke's monitor out functionality is it
> doesn't allow you to control your display transform, or your legal (64-940)
> vs full (0-1023) range. This means you either have to have your video
> monitor setup to accept full range, or accept that one display or the other
> is going to be incorrect..
Too solve this isssue Alex has brought up. You can convert re709 extended
to rec709 legal with an hdoffset lut included in the ocio profiles. Paste
the node below and add it after nuke's rec709 viewer lut.
set cut_paste_input [stack 0]
version 8.0 v3
push $cut_paste_input
OCIOFileTransform {
file "\[file dirname \[python
nuke.EXE_PATH]]/plugins/OCIOConfigs/configs/spi-vfx/luts/hdOffset.spimtx"
name VIEWER_INPUT
selected true
xpos -1845
ypos -81
}
You can either
1. add it as an input process by renaming it to VIEWER_INPUT and "Edit >
Node > Use as input process". Then click on the "IP" button on the top
right of the viewer to turn this on/off
2. use it to write out a lut with the current rec709 and add it to your
viewer luts.
3. Use OCIO and wrap up your own modified nuke-default.
--
Deke Kincaid
Creative Specialist
The Foundry
Skype: dekekincaid
Tel: (310) 399 4555 - Mobile: (310) 883 4313
Web: www.thefoundry.co.uk
Email: [email protected]
On Tue, Feb 18, 2014 at 12:10 AM, Alex Fry <[email protected]> wrote:
> "Rec709 or will this double lut my output since the display is rec709 and
> were not trying to simulate rec709 on an srgb monitor?"
>
> This is a common misconception..
>
> The Rec709 viewer transform in Nuke *does not* simulate Rec709 on an sRGB
> display.
> It applies a scene linear to Rec709 camera encoding curve, which is then
> assumes will be shown on a Rec709/BT1886 display.
>
> The slightly tricky thing with Nuke's monitor out functionality is it
> doesn't allow you to control your display transform, or your legal (64-940)
> vs full (0-1023) range. This means you either have to have your video
> monitor setup to accept full range, or accept that one display or the other
> is going to be incorrect.. You're also going to want to calibrate your GUI
> display to BT1886
>
> (Hiero on the other hand handles this much better)
>
>
>
> On Tue, Feb 18, 2014 at 5:49 PM, Feli <[email protected]> wrote:
>
>> I'm starting on a project and the setup will use Nuke in conjunction with
>> an external rec709 broadcast monitor.
>>
>> I have never worked with this way in Nuke, so I wanted to see if anyone
>> could give me a hand with double checking my workflow.
>>
>>
>> Hardware:
>>
>> Flanders Scientific CM171 boradcast monitor that is being driven via the
>> Thunderbolt port on a Mac through a Ultrastudio Mini Monitor (SDI).
>> CM171 is set to rec709.
>>
>> http://www.flandersscientific.com/index/cm171.php
>>
>>
>> Here is the workflow:
>>
>> 1) Shot on Sony F3 in slog uncompressed 10bit RGB
>>
>> 2) Converted in Resolve with slog2rec709 3d lut. Written out as DPX
>> rec709. This will apply an inverted slog curve to delog the footage and
>> convert it to rec709 space.
>>
>> 3) Read in to Nuke. Read node set to 'rec709' (correct?)
>>
>> 4) Monitor output toggled 'on' for display on CM171 (monitor set to
>> rec709)
>>
>> Now here is my question. What should the nuke viewer be set to, since
>> this also effects the output to the CM171?
>> Rec709 or will this double lut my output since the display is rec709 and
>> were not trying to simulate rec709 on an srgb monitor?
>>
>>
>> I've never driven an external broadcast monitor from Nuke, so I'm in
>> uncharted territory here.... (and I'm not a video engineer, so please be
>> gentle)
>>
>>
>> Thanks in advance for any advice.
>>
>>
>> Feli
>>
>>
>> ______________________________________________________________
>> [email protected] 2 + 2 = 4
>> www.elanphotos.com
>>
>>
>>
>> _______________________________________________
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>> [email protected], http://forums.thefoundry.co.uk/
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>>
>
>
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