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I need to add an additional channel (with a custom name, not alpha) to a tiff image. I'm surprised how difficult this is, because the tiff-secification says it is possible to add custom channels and PhotoShop is able to do it. Now I'm looking for a way to automate it....

Does anyone know whether it is now possible with any code or any framework?

like this in photoshop: https://i.stack.imgur.com/xtOzb.png

cybernetic.nomad
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xiaobaozi
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  • How about sharing one without the additional channel and one with the additional channel so folks can see what Photoshop has done? Maybe use Google Drive or Dropbox as `imgur` strips some things and doesn't allow some things. – Mark Setchell Mar 23 '22 at 12:49
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    `var channelRef = app.activeDocument.channels.add();` - it's in the javascript reference, p76 – Ghoul Fool Mar 24 '22 at 09:17

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