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I am following a tutorial. I opened a psd with two layers - the original photo and a transparent layer above it, which I am trying to brush on. With the Art History Braush selected, I've seen two turorials that show using a bruah on the transparent layer (so the original layer below is unaffected). I am getting a circle with slash rhrough it and error message "could not rasterize because the pixel data for this layer is not directly editable". I've chosen a brush and foreground color is black, in the Hisotry Panel the original photo has a brush next to it. I've tried "save as", open and re-open, making a snapshot in history panel and putting the brush icon next to it - nothing works. Banging my head against the monitor for an hour. Any suggestions?
Convert your image to 8 Bits/Channel, flatten the image, save, then reopen, add the blank layer and try the Art History Brush.
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Delete the Blank layer, then save as a TIFF, reopen, add a new blank layer and see if the Art History Brush works.
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Thanks. I saved as TIFF, reopened, added a new blank layer, but exactly the same problem and error message. I just upgraded to Ventura 13.3.1, I hope that is not the problem.
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What is the Image Mode and Bit Depth of the image?
(Image>Mode)
Can you post a screenshot of the layers panel with the image is question open?
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The image is 16 bit and RGB.
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Try watching this tutorial from Julieanne Kost. It uses an older version of Photoshop, but it's an old tool and hasn't changed. She is very thorough.
https://www.youtube.com/watch?v=adExe4IPTsU&t=746s
Jane
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Convert your image to 8 Bits/Channel, flatten the image, save, then reopen, add the blank layer and try the Art History Brush.
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That worked. Does that mean the Art History brush cannot be used with 16 bt images? I have 192 GB of RAM, if that matters. What do you think?
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That's correct that the Art History Brush does not work on 16 bit/channel documents.
You could file a feature request if you like.
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Thank you so much for the help, greatly appreciated!