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1. Re: PSD Thumbnail is not complete (image broken)
gener7 Oct 6, 2013 3:27 PM (in response to monmart) -
2. Re: PSD Thumbnail is not complete (image broken)
Chris Cox Oct 6, 2013 4:49 PM (in response to monmart)Is that the OS or a web site? It appears to be getting alpha channels confused.
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3. Re: PSD Thumbnail is not complete (image broken)
monmart Oct 6, 2013 5:00 PM (in response to Chris Cox)It's inside the Finder.
YES YES. That's exactly what it is. It does some funky thing with the Alpha channels.
What's going on there?
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4. Re: PSD Thumbnail is not complete (image broken)
monmart Oct 6, 2013 5:23 PM (in response to gener7)My settings are already identical to yours.
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5. Re: PSD Thumbnail is not complete (image broken)
Chris Cox Oct 6, 2013 6:58 PM (in response to monmart)Apple doesn't know how to read alpha channels correctly -- bugs were filed on this years ago, and they haven't fixed it yet.
And apparently their interns don't read file format documentation when writing the code.
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6. Re: PSD Thumbnail is not complete (image broken)
monmart Oct 7, 2013 6:39 AM (in response to Chris Cox)Bummer
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7. Re: PSD Thumbnail is not complete (image broken)
Noel Carboni Oct 7, 2013 8:51 AM (in response to monmart)Do you save your images with Maximize Compatibility enabled? That can make a difference in how previews/icons are generated.
What Chris has said notwithstanding, icon preview generation logic with Maximize Compaitiblity off - which means Adobe doesn't save a flattened composite layer - has to be pretty convoluted to handle every possible layer blending mode and feature that can be embedded within an Adobe icon.
-Noel
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8. Re: PSD Thumbnail is not complete (image broken)
monmart Oct 7, 2013 9:39 AM (in response to Noel Carboni)Yes, currently it's set to "Always".
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9. Re: PSD Thumbnail is not complete (image broken)
gener7 Oct 7, 2013 3:21 PM (in response to monmart)If you could PM me a link to the actual psd and if it's not too sensitive, I'd like to check it on my Macbook. I'm running OSX 10.8.5
Gene
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10. Re: PSD Thumbnail is not complete (image broken)
monmart Oct 7, 2013 4:50 PM (in response to gener7)PM sent
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11. Re: PSD Thumbnail is not complete (image broken)
gener7 Oct 7, 2013 7:10 PM (in response to monmart)I just had a look at it and indeed I see the same thing. This looks like you use Photoshop CC
But if I reduce the thumbnail size. (Cmd / brings up the resize slider in the Finder)
I do get back the full thumbnail.
Now if I resave in Photoshop CS6, it doesn't matter, the thumbnail displays properly in the Finder.
This last screenshot shows both the tif and CS6 psd. I notice tif has no thumbnail problems.
So basically that's where it stands. I'll offer no further comment since I do not know what goes on under the hood. I hope it will give you a strategy for dealing with these rare cases.
Gene (Mid-2009 Macbook/240 GB SSD/6 GB ram -- OSX 10.8.5 -- Photoshop CC and CS6 Cloud license.)
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12. Re: PSD Thumbnail is not complete (image broken)
monmart Oct 8, 2013 12:36 PM (in response to gener7)Gene, thank you so much for your time addressing the matter.
I do have CS6 installed as well.
The icon slider works for me. Anything 92x92px and below seems to make the thumb appear correctly. It boggles me that any icon size larger would make the error appear again.
Good enough for now.
Thanks!







