Photoshop: MacOS does not build thumbnails for PSB format.

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  • Updated 4 years ago
  • (Edited)
I have my prefs configured to always save icons, and instead it always saves the files with the default graphic, not a preview of the image. It only seems to happen with PSB format.
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iMatt

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Posted 5 years ago

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Chris Cox

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Which OS version are you using?
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iMatt

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10.7.5, and a colleague of mine in the same studio is having the same problem on 10.8.3
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iMatt

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Correction: it doesn't appear to save an icon for psd files either.
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Chris Cox

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Photoshop is no longer saving resource fork thumbnails (recent versions of MacOS have problems with them).

MacOS does not currently create thumbnails for PSB files, and can only create thumbnails for PSD files if they contain a flattened composite image. (which is odd since the files already contain a preview that the OS should be reading). Also, MacOS still has several bug that cause incorrect thumbnails when you have alpha channels in the document (someone failed to read the format specs, and hasn't fixed the bugs we've filed several years ago).
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iMatt

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So why when I save PSB or PSD in PS CS6 the Finder icon thumbnails seem to generate perfectly? The alpha channel thing has always been a problem, but only when Finder tries to generate a preview, not when creating a Finder icon thumbnail. Very puzzling. I hope you can find a solution.
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Chris Cox

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Because CS6 saved resource fork thumbnails, which MacOS sometimes reads correctly.
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iMatt

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So I guess I'll be navigating to everything in Bridge from now on?
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Chris Cox

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Or as Apple to fix their file thumbnailing code - but I suspect it wouldn't be fixed until 10.9.something.
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iMatt

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What's the best way for me to report this to Apple?
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iMatt

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So here we are a year later the operating system at 10.10 and the problem still hasn't been fully resolved by Apple, and Adobe and it's customers are the ones who are suffering.

Adobe has added so many features to Photoshop that we as a studio have not been able to implement for the simple reason that we cannot see icons in Finder and therefore more mistakes get made when determining who should pick up what file in jobs that often include 60 or more images with very long and similar names.

In my testing of 10.10 I can only get a preview in the "Preview" column of column view, and only when maximize compatibility is turned on. This is a small improvement, but certainly not ideal.

Bridge would be a great solution if it were not for our complete dependence on using a server, and the problems associated with multiple people accessing the same folder simultaneously, both trying to build thumbnail previews of 2 GB files.

It would be great if Adobe could provide us with a temporary solution to this problem while Apple continues to refine its latest OS.

Thanks for Listening.
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John R. Ellis, Champion

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Since Adobe and Apple each refuse to implement PSB thumbnails and previews for Mac Finder, I've implemented a Quick Look plugin that provides them. The plugin handles both PSBs and PSDs, and compared to the default Mac previews, it is up to ten time faster on very large PSDs. The plugin also shows low-quality previews and thumbnails for files saved without the Maximize Compatibility option (as compared to the default Mac previews, which are blank).
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John R. Ellis, Champion

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Here is a detailed proposal for how Adobe can provide thumbnails and previews for the OS X Finder and open/save dialogs, at low engineering cost:

http://feedback.photoshop.com/photosh...
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iMatt

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Thanks for your detailed report John! And for taking on this problem! Hopefully it will bring about some change. Well done!