I had the opportunity to pull in some underwater photo shots from a recent dive and play around with adjusting the white balance. This is often necessary with underwater photography due to the fall off of first red, then progressively other colors through the spectrum as one descends.
As an underwater photographer it's therefore important to be able to make adjustments to white balance, which should be easy to do by grabbing the eye dropper and selecting a neutral (gray) object in the shot to use in adjusting white balance.
In Luminar 3 it's certainly easy to add a RAW develop filter, grab the eyedropper and click on what should be a neutral part of the shot (sand, a scuba tank, etc.) In LR this will cause changes to both temperature and tint sliders resulting in anything with similar color as that part of the image which was clicked appearing as a shade of gray depending on luminosity. However in Luminar 3 the effect is not as desired, and the image retains a nasty color cast. I can use LR to pick a spot and then take the temperature and tint values from there and enter them by hand in Luminar, and the effect is fine.
So, the problem appears to be that Luminar is not calculating an appropriate temperature and tint adjustment to render the white balance based on the part of the image that's clicked with the eyedropper. Given good temp/tint settings (as from LR) the processing is fine, you just cant get there with the Luminar eyedropper.
Please take a look at how you're calculating temp/tint when the user applies a custom white balance using the eye dropper and fix it so that white balance is correctly adjusted based on the pixel selected.
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