White Balance in layers not additive

deirh

• 10. Dezember 2017 21:23

Hi,
I noticed that Temperature and Tint sliders behave quite uncooperatively in layers - they seem to set an absolute value for any masked areas and cannot be overridden by layers on top of them (i.e. if I mask a face and modify its tint, I can no longer ever modify its tint in any other layer, be it on top or bottom). This is quite unexpected as at least the Tint slider gives the impression of additive modifications with it's + and - values (both work additively in Lightroom).

Is this behavior by design? Can it be overridden by any means? Say I want to modify the white balance of the entire image after making some local white balance modifications to few image elements...how do I go about that? Modifications of background and layers either on top or bottom of the layer stack do not seem to affect the masked areas if any modification of Tint was done (resetting Tint / Temperature on those areas does open them to be influenced to global modification but that of course undoes my local changes).

Thanks.

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  SFA

  • 10. Dezember 2017 23:36

  There is an acknowledged issue with WB in the new layer approach at the moment.
  
  Resolution expected with first point release. It sounds like you may be seeing the problem.
  
  
  HTH.
  
  Grant

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  PhaseoneUser13961

  • 11. Dezember 2017 04:55

  In C1 11 and C1 10 the White Balance adjustments on the masked sections of the top layer override any of the lower layers. White Balance adjustments on layers has never been additive in my experience - you can only set absolute values.
  
  The WB bug in C1 11 results in the white balance on a layer reverting to the background layer settings should the layer be selected when it is disabled and subsequently re-enabled. (You are seeing functionality that has been in C1 for several versions.)
  
  The absolute settings of White Balance on layers suits my needs. I frequently have to correct images of award presenations in a auditorium where the stage has not been specially lit for photography . The colour temperature of the lighting for sections of a stage could vary significantly and not complement each other. I first set the WB for the majority of the image on the background layer, then make local adjustments on layers for each area covered by a different light to either match or provide a pleasing contrast.

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  deirh

  • 11. Dezember 2017 12:18

  Thanks for the responses. I've also noticed the new bug you speak of where mere disabling and re-enabling a layer changed its WB effect. Though it must be my eyes playing tricks 😊
  
  I would still love to be able to additively White Balance though. Even wanting to minimally change the Tint of one layer 'bakes in' the entire White Balance slider, possibly modifying the image significantly. But if I'm the only one, I guess there's no use of requesting it as a feature and I'll have to do more complex color grading in Photoshop.

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