04-08-2021, 07:01 AM
Indeed, in the Layers preview the mask appears light gray and the shadow in the middle is white.
There is indeed a gradient. You can actually see the edge of it on the Levels Panel screen capture top right. In that case it is not a circle.
I had some success with the Curves. But it is difficult to gauge when it is 100% transparent. And it also seems to eat into the soft edges. If I go far enough, I can actually make the edges smaller to the point where the soft edges are gone and the shadow becomes smaller, showing only the solid middle. The Levels would be easier as you can't drag it past 0, so I would know it is fully transparent, without overshooting.
By the way, how can you tell the semi transparent bar is at X=192? I don't see any numeric indication of that on that panel.
There is indeed a gradient. You can actually see the edge of it on the Levels Panel screen capture top right. In that case it is not a circle.
I had some success with the Curves. But it is difficult to gauge when it is 100% transparent. And it also seems to eat into the soft edges. If I go far enough, I can actually make the edges smaller to the point where the soft edges are gone and the shadow becomes smaller, showing only the solid middle. The Levels would be easier as you can't drag it past 0, so I would know it is fully transparent, without overshooting.
By the way, how can you tell the semi transparent bar is at X=192? I don't see any numeric indication of that on that panel.