05-30-2020, 06:12 PM
(05-30-2020, 08:05 AM)tmanni Wrote: I agree it's hard to see anything with all these transparent pixels
Observe the histogram displayed by the tool: you can see 2 vertical black lines next to each other : this seems your layer has only 2 colors ; the darkest is the one on the left (pointed by the green arrow on the image below)
So, to obtain this value, position the black triangle under this black line and read the value in the green box.
You can also temporary disable the alpha channel for a better visualization ; in the Channels Dock (Windows > Dockable dialogs > Channels), click the eye icon next to the Alpha channel : all pixels will become opaque.
It looks like the face texture has two populations, with the majority at 96 and a small fraction at 99. The neck has a bit of a spectrum, but with the majority at 99, which is what's causing the apparent difference in intensity. So I should be clipping the face to have a low limit of 99, or the neck to have a high limit of 96, right? The issue is that the RGB clip menu only lets me set the low limit to < 0, or the high limit to > 1. What I want (if I understand correctly) is to set a low limit of 99/255 = 0.388 or a high limit of 96/255 = 0.376. Is that possible?
The most ideal solution would just be to shift every pixel intensity of the neck texture down by 3, so that it has a maximum at 96 (the mode of the face texture) and a small population of even dimmer pixels. Is that achievable?
Thank you very much for taking the time to help!