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Embattle
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LR4 Map Mismatch

Jul 24, 2012 8:02 AM

I've recently started adding geotag data to my photos but I've got a slight issue, as an example I recently dropped a photo on to the map and the GPS data in the box appeared as 51°6'56" N 4°13'40" W. Once I've exported the photo as a JPG and used another program to access google maps position via the geotag data I end up at a place that is some way off the original, in the case highlighted it ends up http://maps.google.com/maps?ll=51.1,-4.216667&spn=0.01,0.01&t=m&q=51.1 ,-4.216667. The amount from picture to picture varies but it can be out of alignment by up to 1 mile.

 

Any ideas?

 

(Use Satalite mode in Google Maps)

 
Replies
  • Currently Being Moderated
    Jul 24, 2012 4:52 PM   in reply to Embattle

    I think the first step in understanding this is to use an authoritative tool like Exiftool or ExiftoolGUI to extract the actual GPS location recorded in the exported file's metadata -- this will indicate whether the issue is with LR or the other program.

     
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  • Currently Being Moderated
    Jul 24, 2012 11:35 PM   in reply to Embattle

    So you entered 51°6'56" N 4°13'40" W in LR, and Exiftool shows that's what got stored in the photo's metadata:

     

    51.115467 N= 51° 6' 56" N

    4.227883 W = 4° 13' 40" N

     

    Thus, it appears that the problem is with the other program -- what is it?

     
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  • Currently Being Moderated
    Jul 25, 2012 12:09 AM   in reply to Embattle

    One hypothesis: the Google Maps API seems to have two different ways of showing a coordinate location: the precise location and the nearest named entity (street, town, etc.).  Perhaps some of these programs are showing the location of the nearest named entity, rather than the precise coordinates.   See this thread for an example:

     

    http://feedback.photoshop.com/photoshop_family/topics/non_urban_latitu de_longitude_search_wildly_inaccurate_in_lightroom_4_beta

     
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