I have a picture, where there are underexposed parts in the outer areas. To achieve, that the outer are gradually more exposed, I would like to create a new exposure layer with a two-folded mask:
- A selection of the frame areas, that are affected by the exposure (simply by a rectangular selection and inversion)
- A gradient selection that over-exposes the area the more, the farther it is away from the center of the picture.
Question: How can I achieve the second part of the masking?