This video is the first in a series on masking in darktable. I go through the circle, ellipse and gradient with the different options and controls. I show some examples of use in a couple of photos using different modules.
If you would like to buy me a coffee and/or croissants, there is a link on this page : https://adabbleinphotography.com/about/
https://www.adabbleinphotography.com
https://www.instagram.com/nwinspeare/