Setting a Custom White Balance

[Mark Carr]

Hi,

I'm running version 4.8 on my Mac Mini and am trying to establish WB presets for my Nikon d7200, using pictures I've taken of grey cards. Upon opening the images in RPP, the default WB setting reads AUTO, the Curve reads "Film-like", and the Color tab is set to its default, which is Color - no simulations are chosen. Before sampling from a neutral area, do any of these options need to be modified or can they remain at the default settings?  When I change the curve from FIlm-like to L* it clearly effects the reading, so I'm not sure how to set these prior to taking a WB reading.

Thanks for any assistance you can provide.

Kind regards,

Mark

[Kirk Thibault]

I do not shoot with a Nikon but I had a Nikon image (D7100) on my laptop so I tried out the following experiment.  I set a custom white balance (selecting a patch with the CMD key pressed) and rendered the resulting change.  This was with the film-like tone curve and no color simulation.  I then simply switched the tone curve setting to L* - this triggered a re-rendering of the image and the WB coefficients remained the same.

What “reading” are you referencing when you say “clearly it affects the reading”?

kirk

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[Mark Carr]

Hi Kirk,

Thanks for responding.

The RBG and Lab readings above the R, B, G1 & G2 figures (in the boxes), not sure if this means anything. I applied the K64 color simulation and the same thing occurred as you described, the WB coefficients remained the same, so I take it these settings won't effect the WB reading, correct?

Thanks.

Mark

[RPP]

Marl,

White balance captured and applied from/to Raw data before everything else, so it shouldn't depend on any settings in the panel.

Regards,

Andrey

[Kirk Thibault]

Correct. 

Kirk

Sent from my iPhone

On Oct 10, 2019, at 15:55, Mark Carr <panamaworld...@gmail.com> wrote:



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[Kirk Thibault]

Oooops. I see Andrey explained WB to you. 

Kirk

Sent from my iPhone

On Oct 10, 2019, at 15:55, Mark Carr <panamaworld...@gmail.com> wrote:



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[Mark Carr]

Hi Andrey,

Thanks.

One more quick question. The manual says that the Presets are stored in the Library/Application Support/RPP/Presets folder, but I looked there and couldn't find anything relating to RPP.  As well, I did a search and couldn't find anything either.  I'm running Mac 10.12.6 Sierra if that helps. 

Thanks again.

Kind regards,

Mark

On Thursday, October 10, 2019 at 12:27:37 PM UTC-5, Mark Carr wrote:

[Kirk Thibault]

Andrey will give you a definitive answer, but I seem to recall many years ago having to make a folder called “Presets” at that location and then saving presets worked. Maybe I am remembering it wrong, but give it a shot. 

Kirk

Sent from my iPhone

On Oct 10, 2019, at 21:21, Mark Carr <panamaworld...@gmail.com> wrote:



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[RPP]

Library starting from your home directory. By default Apple hides it, but it's easy to get to.

This article describes how to get there:

https://www.lifewire.com/os-x-is-hiding-your-library-folder-2260833

Then go to Application Support -> RPP

Starting from RPP folder custom white balances are in WBPresets.xml,  Presets as in settings presets are in Presets folder.

Regards,

Andrey

[Kirk Thibault]

Yep - I remembered it wrong!

kirk

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[Mark Carr]

Thanks so much.

Kind regards,

Mark

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