(02-22-2024, 06:28 PM)ottenm Wrote: I have two identically-sized .png's that both contain (only) a large, solid circle.
...snip....
Is there a way to apply (just) the alpha values from the first image, to the second one? (so the second one also fades gradually to transparent around the perimeter)
More context to the question required.
Are the circles the same colour / pattern and are they on a background image of some sort ?
Always better if you can give some sort of screenshot and your Gimp version / OS.
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Edit: A couple of thoughts before I pack in for the day.
- The png is a circle on transparency. Make a layer mask Layer -> Mask -> Add Layer Mask -> Transfer layers alpha channel. Copy the layer mask and paste into a plain white layer mask on the other image.
Nothing to do with the alpha channel but
- Try Filters -> Enhance -> Antialias but it is a very mild effect. Slightly better is the same using the gmic plugin from http://www.gmic.eu
- Try a very small value of gaussian blur.