Posts:
88
Registered:
16-Nov-2012
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Thumbnails appear pale after update
Posted:
24 Jan 25, 16:52
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Hello,
after the latest update to jAlbum 37, the thumbnails of my photos are no longer displayed correctly. They appear very pale to me. The saturation is somehow missing. If you click on the thumbnail and the large photo is displayed, it is displayed correctly. So it only affects the thumbnail.
The incorrect display of thumbnails affects not only the published project on the Internet, but also in jAlbum itself.
https://www.bahnfotos-region-bremen-galerie.de/Bearbeitung/Bearbeitung%202024/index.html
Edited by: BRBremen on 24 Jan 2025, 16:58 |
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Posts:
8,009
Registered:
31-Jan-2006
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Re: Thumbnails appear pale after update
Posted:
24 Jan 25, 18:27
in response to: BRBremen
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These thumbnails all appear to be fully saturated, to me. Screenshot.
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Posts:
88
Registered:
16-Nov-2012
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Re: Thumbnails appear pale after update
Posted:
24 Jan 25, 18:33
in response to: JeffTucker
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It is clear that the photos are saturated, but there is still a clear difference in the display between the thumbnail and the opened photo. For example, take a look at the photo of the blue locomotive with the green carriages, best in the last line the 2 photos.
Edited by: BRBremen on 24 Jan 2025, 18:34
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Posts:
8,009
Registered:
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Re: Thumbnails appear pale after update
Posted:
24 Jan 25, 18:51
in response to: BRBremen
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You're right - the blue sky, for example, is not the same at all. Screenshot with the thumbnail superimposed on the slide image.
I'll move this thread to the Bug reports section - the skin doesn't produce the thumbnails or scaled images.
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Posts:
88
Registered:
16-Nov-2012
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Re: Thumbnails appear pale after update
Posted:
24 Jan 25, 19:24
in response to: JeffTucker
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Thank you for identifying the error. Thank you for the delay. I will probably go back to the old version 36.X until there is an update. Or should I keep the latest version so that the error can be tracked down?
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Posts:
88
Registered:
16-Nov-2012
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Re: Thumbnails appear pale after update
Posted:
24 Jan 25, 19:34
in response to: BRBremen
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I found something else. If the browser window is not at full size, even the large photo will not be displayed correctly in saturation. Only if the browser window is opened at full size.
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Posts:
8,009
Registered:
31-Jan-2006
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Re: Thumbnails appear pale after update
Posted:
24 Jan 25, 19:38
in response to: BRBremen
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You can go back to the previous version.
I can replicate the error easily.
David, attached are the original and the slide image, generated on my own PC. There's an unacceptable color shift taking place.
ETA: A couple of quick changes to JPEG Quality (down from 100% to 85%), and turning off hardware acceleration. Neither change made any difference.
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Posts:
8,009
Registered:
31-Jan-2006
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Re: Thumbnails appear pale after update
Posted:
24 Jan 25, 19:39
in response to: BRBremen
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I found something else. If the browser window is not at full size, even the large photo will not be displayed correctly in saturation. Only if the browser window is opened at full size.
That's because the skin, depending upon the monitor size, will display the original, rather than the slide image. And that's where the problem actually lies - the slide image and thumbnail both have a bad color shift, compared to the original. |
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Posts:
3,877
Registered:
4-Aug-2006
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Re: Thumbnails appear pale after update
Posted:
24 Jan 25, 19:56
in response to: JeffTucker
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Could be worth copying a couple of original photos to a new project then go to preferences, advanced, image readers and then writers. Turn off the GeoSolutions TurboJpeg, then load the new project.
Edited by: RobM on 24 Jan 2025, 18:56
https://jalbum.net/help/en/jAlbum/Preferences#Advanced |
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Re: Thumbnails appear pale after update
Posted:
24 Jan 25, 20:14
in response to: RobM
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Yup, that's the culprit. Turning off GeoSolutions TurboJpeg in both places (readers and writers) cures the problem.
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Posts:
88
Registered:
16-Nov-2012
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Re: Thumbnails appear pale after update
Posted:
24 Jan 25, 20:35
in response to: JeffTucker
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BRBremen, you can reinstall jAlbum 37. But the go to the Optionen, and turn off the new JPG plugin in both locations. See screenshots.
thank you very much. This setting helped under jAlbum 37.  |
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Posts:
3,800
Registered:
18-Oct-2002
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Re: Thumbnails appear pale after update
Posted:
24 Jan 25, 23:53
in response to: BRBremen
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Thanks for reporting. We haven't noticed this during beta testing. I don't see why you'd need to switch off the TurboJPEG writer though. For me it's enough to switch off the TurboJPEG reader.
The question is now whether most people prefer the faster reading or if fully correct colors are a priority.
I'll see if there's some way to control the saturation...
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Posts:
8,009
Registered:
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Re: Thumbnails appear pale after update
Posted:
25 Jan 25, 00:02
in response to: davidekholm
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It's not just saturation. It's the actual color balance.
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Posts:
3,877
Registered:
4-Aug-2006
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Re: Thumbnails appear pale after update
Posted:
25 Jan 25, 00:29
in response to: davidekholm
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Thanks for reporting. We haven't noticed this during beta testing. I don't see why you'd need to switch off the TurboJPEG writer though. For me it's enough to switch off the TurboJPEG reader.
The question is now whether most people prefer the faster reading or if fully correct colors are a priority.
Definitely the correct representation of the original over speed. If users spend time doing raw processing and then export jpegs they want their thumbnails and slides to respect their intentions. |
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