# Radioactive Observation Thumbnails

**URL:** <https://forum.inaturalist.org/t/radioactive-observation-thumbnails/1817>\
**Category:** Bug Reports\
**Created:** [April 4, 2019, 7:15pm UTC](https://forum.inaturalist.org/t/radioactive-observation-thumbnails/1817 "2019-04-04T19:15:21Z")\
**Posts on this page:** 13\
**Page:** 1

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**Author:** ![silversea\_starsong](https://avatars.discourse-cdn.com/v4/letter/s/7c8e57/32.png) [@silversea\_starsong](https://forum.inaturalist.org/u/silversea_starsong)\
**Post date:** [April 4, 2019, 7:15pm UTC](https://forum.inaturalist.org/t/radioactive-observation-thumbnails/1817/1 "2019-04-04T19:15:22Z")

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I regret not keeping track of them all now but there are some cases where I notice the thumbnail appears to be slightly corrupted, e.g. the far right observation here:

[https://www.inaturalist.org/observations?place\_id=any&subview=grid&taxon\_id=168802](https://www.inaturalist.org/observations?place_id=any&subview=grid&taxon_id=168802)

Hasn’t happened to me yet but thought it was worth reporting! If you can’t see what I’m seeing, this is what I get

 ![image](https://us1.discourse-cdn.com/flex016/uploads/inaturalist/original/2X/c/c9a0250bfc9489b1e95205249ce97670e76cee1e.jpeg)

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**Author:** ![saturnring](https://avatars.discourse-cdn.com/v4/letter/s/ecccb3/32.png) [@saturnring](https://forum.inaturalist.org/u/saturnring)\
**Post date:** [April 4, 2019, 7:28pm UTC](https://forum.inaturalist.org/t/radioactive-observation-thumbnails/1817/2 "2019-04-04T19:28:43Z")

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I see that, but when I open the observation I also see two photos–one like this and one not.

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**Author:** ![silversea\_starsong](https://avatars.discourse-cdn.com/v4/letter/s/7c8e57/32.png) [@silversea\_starsong](https://forum.inaturalist.org/u/silversea_starsong)\
**Post date:** [April 4, 2019, 7:29pm UTC](https://forum.inaturalist.org/t/radioactive-observation-thumbnails/1817/3 "2019-04-04T19:29:49Z")

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Can you clarify when you say “one like this”? Do you mean the photo on the observation also has the strange corruption?

For me it doesn’t.

 ![image](https://us1.discourse-cdn.com/flex016/uploads/inaturalist/original/2X/d/d165a291e5422d60fe7ec90c488aba747fede924.jpeg)

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**Author:** ![saturnring](https://avatars.discourse-cdn.com/v4/letter/s/ecccb3/32.png) [@saturnring](https://forum.inaturalist.org/u/saturnring)\
**Post date:** [April 4, 2019, 7:34pm UTC](https://forum.inaturalist.org/t/radioactive-observation-thumbnails/1817/4 "2019-04-04T19:34:13Z")

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Yes, the second photo (the photo on the right) has the strange corruption.

 ![54%20PM](https://us1.discourse-cdn.com/flex016/uploads/inaturalist/original/2X/e/ed1fb1846124005ba103e22b9726e3f14d9244ec.jpeg)

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**Author:** ![silversea\_starsong](https://avatars.discourse-cdn.com/v4/letter/s/7c8e57/32.png) [@silversea\_starsong](https://forum.inaturalist.org/u/silversea_starsong)\
**Post date:** [April 4, 2019, 7:34pm UTC](https://forum.inaturalist.org/t/radioactive-observation-thumbnails/1817/5 "2019-04-04T19:34:53Z")

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Oh yeah, it does. That’s strange… But not on the view page for that photo unless you hit the “Large” size. [https://www.inaturalist.org/photos/3852514](https://www.inaturalist.org/photos/3852514)

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**Author:** ![saturnring](https://avatars.discourse-cdn.com/v4/letter/s/ecccb3/32.png) [@saturnring](https://forum.inaturalist.org/u/saturnring)\
**Post date:** [April 4, 2019, 7:37pm UTC](https://forum.inaturalist.org/t/radioactive-observation-thumbnails/1817/6 "2019-04-04T19:37:10Z")

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to me the smallest size looks corrupted and the two enlargements don’t

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**Author:** ![kschnacke](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.inaturalist.org/kschnacke/32/1710_2.png) [@kschnacke](https://forum.inaturalist.org/u/kschnacke)\
**Post date:** [April 4, 2019, 8:22pm UTC](https://forum.inaturalist.org/t/radioactive-observation-thumbnails/1817/7 "2019-04-04T20:22:20Z")

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I get the same results as paloma as well.

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**Author:** ![bouteloua](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.inaturalist.org/bouteloua/32/1180_2.png) [@bouteloua](https://forum.inaturalist.org/u/bouteloua)\
**Post date:** [April 5, 2019, 12:10am UTC](https://forum.inaturalist.org/t/radioactive-observation-thumbnails/1817/8 "2019-04-05T00:10:55Z")

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yeah: [https://groups.google.com/d/msg/inaturalist/cbd\_xRHVQ-o/p51FqrrkAQAJ](https://groups.google.com/d/msg/inaturalist/cbd_xRHVQ-o/p51FqrrkAQAJ)

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**Author:** ![kiwifergus](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.inaturalist.org/kiwifergus/32/1904_2.png) [@kiwifergus](https://forum.inaturalist.org/u/kiwifergus)\
**Post date:** [April 5, 2019, 6:52am UTC](https://forum.inaturalist.org/t/radioactive-observation-thumbnails/1817/9 "2019-04-05T06:52:54Z")

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I used to get this problem (but black, not radioactive purple!) a lot when I was on my win95 antique. Ended up buying a new computer because it was so deathly slow at everything, and now I rarely encounter it. Back then, it would show some images corrupted, but for other people it showed the same images just fine.

On this occassion (your example above) I see the same as you all do…

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**Author:** ![tonyrebelo](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.inaturalist.org/tonyrebelo/32/317_2.png) [@tonyrebelo](https://forum.inaturalist.org/u/tonyrebelo)\
**Post date:** [April 5, 2019, 1:13pm UTC](https://forum.inaturalist.org/t/radioactive-observation-thumbnails/1817/10 "2019-04-05T13:13:03Z")

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Has someone tried the option of ::  
Repair broken URLs - I dont think this will work (otherwise I would just have done it), but it might just result in the small, medium and large pictures being reconstructed from the original?  
The other option is to flag the picture - on the picture page [https://www.inaturalist.org/photos/3852514?size=large](https://www.inaturalist.org/photos/3852514?size=large) - and ask for it to be reconstructed from the original, although I dont suspect that there is an automatic workflow for that.

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**Author:** ![tony\_wills](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.inaturalist.org/tony_wills/32/1094_2.png) [@tony\_wills](https://forum.inaturalist.org/u/tony_wills)\
**Post date:** [April 15, 2019, 10:27am UTC](https://forum.inaturalist.org/t/radioactive-observation-thumbnails/1817/11 "2019-04-15T10:27:26Z")

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It appears to me that the medium sized ‘thumbnail’ [https://static.inaturalist.org/photos/3851597/medium.jpg](https://static.inaturalist.org/photos/3851597/medium.jpg) is the only version corrupted. The square, small, large and original versions look fine. So presumably something glitched as it was creating the meduim.jpg thumbnail. Simplest cure would be to delete and re-add the photo and it will regenerate thumbnails for it (simplest assuming you are the owner of the observation, otherwise it would have to be a back-end admin action to force it to be regenerated).

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**Author:** ![silversea\_starsong](https://avatars.discourse-cdn.com/v4/letter/s/7c8e57/32.png) [@silversea\_starsong](https://forum.inaturalist.org/u/silversea_starsong)\
**Post date:** [April 16, 2019, 9:37pm UTC](https://forum.inaturalist.org/t/radioactive-observation-thumbnails/1817/12 "2019-04-16T21:37:18Z")

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I’m no longer seeing it except in the larger thumbnail shown on the search results. Perhaps some of these are being updated over time?

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**Author:** ![kueda](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.inaturalist.org/kueda/32/20_2.png) [@kueda](https://forum.inaturalist.org/u/kueda)\
**Post date:** [April 17, 2019, 7:30pm UTC](https://forum.inaturalist.org/t/radioactive-observation-thumbnails/1817/13 "2019-04-17T19:30:29Z")

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Assuming the image looks fine before you upload it, my guess is that this is an intermittent issue in photo processing on our end. However, if anyone has an image for which this happens _consistently_ please send us the original file so we can try and replicate the issue. Not entirely sure what to do about the intermittent issue, though. We are considering switching to dynamic image resizing some time this year, which would remove the need to process photos like this, but that’s still a ways off.
