03-18-2024, 06:11 PM
(03-18-2024, 12:17 PM)robertkjr3d Wrote: I really can see use of the in the case of planetary objects such as the Moon/Sun. "Astrophotography" shots. Where the pattern of the light is brighter on the outer-edge of the disc (maybe) and you might want to apply a black-level from the outer edge inward at greater levels..... Or visa-versa (depending on the shot.) It would be nice to have control like that.
Some anti-vignetting tools give some control to apply similar controls to what I'm talking about. But a custom Black-Level tool if someone knew how to create one would be cool. Or 'Contrast-Apply' tool.
sometimes if I'm doing a half-moon, it may not be a perfect circle. so it should work with the box-select and/or free-select tool.
or if you can think of another solution.
Obviously I get by with 'Levels', 'Curves' and Balancing the 'Shadows-Highlights' screens.
- Create a circular selection
- Add a layer, set to Multiply mode (other modes such as Screen can also do the job)
- Fill with black-to-white (or white-to-black) radial gradient, and while in the gradient tool:
- You can change the opacity of the layer to adjust the "strength"
- You can change the layer blend mode
- Hover need the middle of the gradient (this makes the midpoint appear) and click on it. You can then:
- Drag the midpoint to change the gradient progression
- Change the blend function in the on-canvas dialog
- Drag the midpoint to change the gradient progression
- You can change the opacity of the layer to adjust the "strength"