Photo thumbnails are sometimes not generated.

Graf Geo shared this problem 20 days ago
Known

When I take a photo with geotagging, it appears as a thumbnail on the map. Every now and then, a thumbnail isn’t generated for certain photos. However, these photos do contain the geocoordinates as normal, and when I select ‘Show on map’ in the photo gallery, the correct location is marked there. It’s just that there’s no thumbnail.


It only happens now and then, but it does happen regularly. (And it’s not down to the filter settings).

Replies (6)

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Hi,

do you take photos via Locus Map as an attachment to a point, or do you take them with your system camera and then show them on the map using the "Geotagged media" feature?

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Always and exclusively with system camera and "Geotagged media" feature.

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Are the photos that do not emerge in the thumbnails stored in any particular storage? External SD card, perhaps?

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All photos are stored in internal standard folder 0/DCIM/Camera.

Normally, the thumbnail appears immediately (within < 1–3 seconds) after the photo is taken. However, in (an estimated) 5% of cases, this does not happen.

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Could you at least send a screenshot of the issue so that we are sure we are testing the right problem? Thanks

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I’m not sure what sort of useful screenshot I could take here.

Yesterday I took another photo for which no thumbnail was generated. It was the fifth of about 50 photos taken on a walk. Thumbnails were generated for all the others and appeared on the map.

I then performed a ‘full reload’ of the geotagged media (takes 20 minutes), after which the previously missing thumbnail was also available. I haven’t checked whether this also applies to older missing thumbnails, as I can’t keep track of every single case.

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"Yesterday I took another photo for which no thumbnail was generated." - please take a screenshot of this situation and send it. Thanks.

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I think we're talking at cross-purposes. Shall I take a screenshot where a thumbnail isn't visible because one hasn't been generated???

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The devs wanted such a screenshot but apparently, it is no longer needed. Next time, when you take a photo, please wait a few minutes before checking it in Locus Map. Or, restart the app.

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Sorry, but just brushing this off as "not a problem" is making it too easy for yourselves. Thumbnails definitely aren’t generated reliably after a photo is taken. At least not for me, but I suspect other users just haven’t noticed it yet, as it only happens occasionally.


Neither waiting nor restarting the app helps. Only a ‘full reload’ does, but that’s a hassle.


I understand that it’s difficult to reproduce and perhaps only happens on certain devices, and there are certainly worse bugs, but for me it’s a bug.

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I'm afraid this is very difficult to reproduce. Nobody from our team is able to simulate it now or has experienced such behavior. And nobody else has reported a similar problem.

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Could you please:

- send your user ID (main menu > heldesk/about app > app info)

- long-press the main menu button > enable setup logging > repeat the action leading to the empty thumbnails > go to /Locus/logs/ folders in the main app directory and copy the latest TXT file and share it here

99057dc46823070823b8e97b3e11c6c092e76c1ffe7e7ad2e9bcef0229c4102d


Thanks!

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Hello Michal,


"repeat the action leading to the empty thumbnails"


That’s difficult to do, as the problem only occurs occasionally and is therefore almost impossible for me to reproduce. There is no specific action that causes this.


At least it hasn’t happened in the last few days (perhaps since Beta 4.33.0.10). As I’m on holiday at the moment, I take lots of photos every day and don’t check every single thumbnail, but at least I haven’t noticed any missing ones. I’ll keep an eye on it.

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Hi,

We've identified the likely cause — it's a timing issue where the map overlay sometimes tries to load the thumbnail before the system has finished generating it. We're tracking this and will address it in a future update. As a workaround, force-stopping the app and reopening it will trigger a full rescan and should restore any missing thumbnails.

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Ok, thank you.

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It still happens now and then, even with 4.33.0.11. Once yesterday, twice today... At least the thumbnails are now generated after a restart, although I’d cleared the cache beforehand for other reasons.


It’s no big deal and I can live with it as long as it doesn’t happen too often. But it just doesn’t work completely reliably.


Beta 4.33.0.12 came out earlier; let’s see if that stabilises things a bit.


Have a lovely long weekend!

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