Photography Asked on September 11, 2020
I have taken over 500 photos on my recent journey and I’d love to code a program that allows me to access the GPS location of every photo and, through GMaps API, show me where the photo was taken.
Problem is that after copying all the photos on my Windows 10 desktop, not all the photos have preserved all the EXIF data. Some have both longitude and latitude, some one of the two, some neither.
How can I have a copy of all the images on my computer that have correct EXIF data?
Notice that if I go under "Details" of each and every photo on my Android device, the GPS location is perfectly correct.
As requested, I have grouped a sample of three different pictures that have missing GPS location here at this link.
I also noticed that every photo that does not have missing GPS location still has it wrong: they all should have negative longitude, while all have it positive.
I’ll post some "okay photos" here, meaning that they have both latitude and longitude but, as stated above:
they all should have negative longitude, while all have it positive.
Your samples have xmp metadata in them as well as exif
[XMP] XMPToolkit : Adobe XMP Core 5.1.0-jc003
Are you sure they haven't been edited?
Can you make one of the OK photos available for comparison?
Answered by Alan Clifford on September 11, 2020
I'm seeing this for IMG_20200815_111436.jpg. Longitude looks OK.
[EXIF] GPS Latitude Ref : N
[EXIF] GPS Latitude : 64.2597599722222
[EXIF] GPS Longitude Ref : W
[EXIF] GPS Longitude : 21.122264
[EXIF] GPS Altitude Ref : 0
[EXIF] GPS Altitude : 195.563
[EXIF] GPS Time Stamp : 11:14:36
[EXIF] GPS Processing Method : GPS
[EXIF] GPS Date Stamp : 2020:08:15
As numbers,
[Composite] GPS Position : 64.2597599722222 -21.122264
Which puts it in Iceland.
Further investigation - I'd say the panorama mode is the problem
======== IMG_20200815_111436.jpg
[XMP] Capture Mode : Photo
[EXIF] GPS Longitude : 21 deg 7' 20.15"
[Composite] GPS Longitude : 21 deg 7' 20.15" W
[EXIF] GPS Longitude Ref : West
======== IMG_20200816_120316.jpg
[XMP] Capture Mode : Panorama
[XMP] Capture Mode : Panorama
======== IMG_20200817_105157.jpg
[XMP] Capture Mode : Panorama
[XMP] Capture Mode : Panorama
======== IMG_20200817_120445.jpg
[XMP] Capture Mode : Photo
[EXIF] GPS Longitude : 18 deg 10' 36.30"
[Composite] GPS Longitude : 18 deg 10' 36.30" W
[EXIF] GPS Longitude Ref : West
======== IMG_20200817_163523.jpg
[XMP] Capture Mode : Panorama
[XMP] Capture Mode : Panorama
======== IMG_20200820_162847.jpg
[XMP] Capture Mode : Manual
[EXIF] GPS Longitude : 20 deg 38' 14.52"
[Composite] GPS Longitude : 20 deg 38' 14.52" W
[EXIF] GPS Longitude Ref : West
Answered by Alan Clifford on September 11, 2020
I can only suggest a couple of other things.
Download the photos using a different method. I use an app called "primitive ftp" on my android phone. I use "filezilla" on my mac but it is available for windows. Use ftp to transfer the files.
Install exiftool from https://exiftool.org/ This is a command line program that will allow you to look at all the metadata in the files to see if you can determine if there is something in common with the faulty files.
Answered by Alan Clifford on September 11, 2020
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