Harry,
Just a question with reference to your video that you put together for Nigel . . .
When you applied the last Histo, were you aware that you still had the Luminance Mask in place? Was this intentional, or an oversight?
This is not meant as any form of criticism, just that Nigel (and perhaps others) might not have been aware that the applied Histo stretch, because it was being applied through the Luminance Mask, was therefore only really being applied to the brightest areas of the image.
Obviously, if it had been your intention to give the whole image a 'tweak up', then the mask would at least have had to be 'disabled', if not 'removed' because it would not be needed again.
This is quite an important point - it is VERY EASY to forget that you have a mask in place, and then you can spend ages trying to apply processes that you THOUGHT you understood, yet they suddenly seem to no longer work the way that they used to
There is no simple reminder in PI to tell you that a given image is under the influence of a mask - maybe the 'top bar' of a masked image needs to change colour, say from the usual 'blue' to, for example, 'red'. Does anybody else have any opinion here?