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lazyllama marked one of Fraser Speirs' replies in Connected Flow as useful. Fraser Speirs replied to the problem "Darkslide crashing when opened". lazyllama and 6 other people think it's one of the best replies.
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lazyllama replied on July 23, 2008 11:54 to the problem "GPS coordinate interpretation." in Connected Flow:
Some people on the Apple discussion forums are still reporting problems with iPhone-tagged photos though.
For my test-case photo it definitely changed the behaviour. -
lazyllama replied on July 23, 2008 07:32 to the problem "GPS coordinate interpretation." in Connected Flow:
The export problem in iPhoto seems to be fixed with version 7.1.4 released today.
It didn't change the coordinates of my test picture, so I'm hoping it's a general fix. It isn't explicitly listed in the changes but is probably covered under the "several minor bug fixes" statement. -
lazyllama replied on May 30, 2008 09:33 to the problem "GPS coordinate interpretation." in Connected Flow:
I've confirmed to my own satisfaction that it's Apple's software, either iPhoto or the ImageIO framework that is breaking things.
If you import this image ( http://www.lazyllama.com/gallery/misc... ) into iPhoto, and then export it to a file (or to FlickrExport) the EXIF GPS location switches from one side of the Greenwich Meridian to the other, Preview's "Locate" shows the correct info on the original image and the wrong location on the subsequent export.
I've reported the bug to Apple (including a link to the image) so with any luck they'll sort it. -
lazyllama replied on May 29, 2008 18:46 to the problem "GPS coordinate interpretation." in Connected Flow:
In fact, having exchanged mails with the HoudahGeo guy, it's looking like its iPhoto that's breaking things.
I'm hoping to do some more checks over the next 24 hours, but what iPhoto exports if you do a file export does not seem to match the EXIF data on the original import, or even what iPhoto displays in the Coordinates section. Which is not good.
So it looks like HoudahGeo and FE handle things properly but iPhoto munges the GPS EXIF data. -
lazyllama reported a problem in Connected Flow on May 29, 2008 06:02:
GPS coordinate interpretation.I'm currently geotagging my pictures using HoudahGeo, before importing them into iPhoto.
I've noticed an issue with a few pictures, notably ones taken near the Greenwich Meridian.
After tagging an image, in iPhoto the location shows as
51 deg 30' 13.88 N
0 deg 0' 28.62 W
That looks about right to me, i.e. just to the West of the Meridian, on dry land.
When I go to FlickrExport and check the photo location it shows as
Lat: 51.503857
Lon: 0.007949
That seems to be to the East of the meridian, (in the middle of the Thames!) i.e. it ought to be -0.007949
I suspect this is caused by the EXIF data being put in by HoudahGeo not having a GPSLongitudeRef entry, just a GPSLongitude. There's a Ref entry for altitude but not for Long or Lat. I'll ask them about that.
According to the Exif inspector in Photoshop, the entries are
GPSLatitude 51,30.23
GPSLongitude 0,0.48
However, it would appear that FlickrExport and iPhoto are interpreting the data differently, with iPhoto showing the reading to the West and FE showing it to the East, which is inconsistent.
I'll ask the HoudahGeo folks why they're not giving a GPSLongitudeRef as having that may fix it, but I thought I'd raise that iPhoto and FlickrExport are interpreting the same data differently.
Edited to add: I've just re-run the workflow and HoudahGeo is definitely putting the wrong location in the EXIF, Preview's "locate" shows the wrong location too, and further examination of the EXIF shows an "E" tagged on on the end of the Longitude.
