I did post a similar message on the Facebook group, but thought I’d post it here too.
I’ve noticed with some images, particularly those with a lot of sky - or similar, that I get some ‘wacky colours’.
I noticed similar issues on sometimes unexposed images too, but this is to be expected.
In the previous versions of NLP I could use the ‘sync scene’ from another, well rounded image and it would work wonders.
No such luck with V3 as it doesn’t have the option (unless I’m missing it).
There is a chance I’m being criminally stupid - I haven’t scanned much in the past year so not really used the app and played around.
This seems to be fairly in line with what NLP can do. NLP adjusts tone curves according to what it finds in the image. Images with limited structure, contrast and hue content tend to raise the risk of wacky colours. Sometimes, it helps to crop the uniform parts off before using NLP. After the conversion, the crop can be switched off again.
In Lightroom you can mask the wacky areas and adjust the colour to taste, localized to the mask. Just remember that the controls work in reverse on non-rendered raw files.
“…as soon as I use ctrl-n to load up NLP, it reverts my changes.”
That is weird - never seen it happen, nor do I know of any settings in Lr or NLP that would cause it - perhaps Nate has insight into it - he knows the programs from the inside.
Going back to your issue of 'wacky colours", I have not experienced this either, but I am not using either Vuescan or a Plustek scanner. I wouldn’t rule out issues specific to that set-up causing it, either because of how they perform or how you are using them. Needs more info on settings and diagnosis of the scanning conditions.
Yes, it’s back in v3.1 which is in beta at the moment. I will PM you a link.
Yes, it actually always recalculates/re-renders the image or images when loaded, based on the settings and analysis associated with the image. It just isn’t noticeable usually, assuming nothing has changed.
So if you just use Lightroom itself to to copy/paste the settings from another image (which has different analysis data and different settings), that will be overwritten when you reopen Negative Lab Pro. Even if it didn’t happen immediately on opening, it would have to happen when a setting change was made (in which case the calculations would be based on the current image analysis and settings, and not on the image that was copied from). Does that make sense?