I recently made an observation with photos taken with an iphone and then uploaded using the iphone app. The location showed an accuracy value of 0 in the app. I thought that was strange, but the pin was in the right place and I thought perhaps it was a rounded value of less than 0.5 metre. However,…

Depending upon the app you’re using, it may not be providing an accuracy. My GPS unit doesn’t – I manually add a 5m. accuracy when I upload associated observations.

Thanks Paul. I commonly use the camera app to take photos and then upload them as observations, and this method certainly provided an accuracy value until very recently. Perhaps there has been a change to the way that the iPhone camera app records accuracy, although I have not updated the iOS in rec…

Can you please send one of these photos with no accuracy value to help@inaturalist.org ?

Update on this issue: it is still occurring in the latest updated version of the iOS app (2.8.4). However, if I upload the same photos using the web interface, the accuracy value is recorded. For now, therefore, I am no longer using the app.

Is this of any assistance, particularly the section titled “Important information for owners of iPhone 5”? https://support.apple.com/en-au/HT210239

Thanks for sharing that, Ralph. My device is updated to iOS version 12.4.2, so I don’t think that is the problem. The GPS is working fine and the locations are accurate - it’s just that the accuracy value saved in the image metadata is not being imported into the iNaturalist app.

I think this is a pretty common problem with a lot of records that are entered by importing geo-tagged photos, whether they were taken with a smartphone or camera. I’m not sure whether this is because the device did not record accuracy or if something is happening when iNaturalist reads the photo’s …

Thanks Mike, I had no idea that lack of accuracy values affects so much of the database. I hope the developers can put this on their agenda - perhaps best to add other ideas to this thread . In my case, the device is recording accuracy, which iNaturalist is reading when photos are uploaded via the s…

[image] mikeburrell: In fact, doing a query reveals that there are 6.5 million verifiable records in iNaturalist (22.5 % of ALL VERIFIABLE) with coordinates but without accuracy. FWIW, I geotag the photos I take with my “real” camera using this method , and so far I haven’t been able to find a…

Interesting! Has anyone come across a geotagging program that uses horizontal accuracy? Or an SLR that records such data? It seems that GPX format can record hdop , which is related to precision, but it’s not really set up well for this. I find this a staggering oversight. I’m still interested in he…

iPhone photos missing location accuracy

Bug Reports

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iPhone photos missing location accuracy

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