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How to edit only alpha channel?

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How to edit only alpha channel?
oehqoehfo Offline
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Posts: 2
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Joined: Dec 2019
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Operating system(s):
  • Windows (Vista and later)

Gimp version: 2.10
#1
Photo  12-16-2019, 05:17 PM (This post was last modified: 12-16-2019, 05:23 PM by oehqoehfo.)
Hi I have some issue with editing ONLY alpha channel.

I am trying to brush some part of image in alpha channel but when I do it, gimp brushes(or erases I don't know how should I say) the original image too.
[Image: gimpissue.png]  
you see here, I am trying to only brush in alpha channel but the original image is brushed too.
How should I do if I want to brush ONLY alpha channel?
I know it's possible in photoshop, but how in GIMP?
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Messages In This Thread
How to edit only alpha channel? - by oehqoehfo - 12-16-2019, 05:17 PM
RE: How to edit only alpha channel? - by denzjos - 12-16-2019, 06:45 PM
RE: How to edit only alpha channel? - by Blighty - 12-16-2019, 08:46 PM
RE: How to edit only alpha channel? - by bunzler - 07-26-2023, 02:15 PM
RE: How to edit only alpha channel? - by Ofnuts - 07-26-2023, 02:39 PM
RE: How to edit only alpha channel? - by bunzler - 07-26-2023, 03:06 PM
RE: How to edit only alpha channel? - by Ofnuts - 07-26-2023, 07:46 PM
RE: How to edit only alpha channel? - by PixLab - 07-27-2023, 04:14 AM

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