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What EXIF fields are used in sorts

rbpeirce
I tried to post this yesterday but it didn't take so I am trying again.

I usually try to sort by Capture Date and sometimes by Created. The sort is inconsistent because some files are missing the appropriate EXIF tags. Unfortunately, I don't know what they are!

I have a script to set DateTimeOriginal, CreateDate and ModifyDate. That would seem to cover everything but it doesn't. There is some other tag(s) MediaPro is sorting on, or it is looking in a different section of the EXIF data than I am updating. I think exiftool can set just about anything but I need to know what to set.
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  • rbpeirce
    After more exploration, I think the key is something called "Exif Version." Images that sort correctly on Capture Date have an Exif Version of 0220, which I think MediaPro converts to 2.2, followed by a Date/Time Original. Images which do not sort correctly have a different Exif Version, 0230, for example, followed by a Date/Time Original that MediaPro does not recognize. The first have Photo EXIF in their information. The second do not. That is probably why they don't sort.

    I checked the manual for exiftool and Exif Version is not mentioned, hence it isn't something exiftool can manipulate. Does anybody know of another way to get at this number? Alternately, might there be a way to copy the image so as to create an Exif Version of 0220?
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  • rbpeirce
    Rats!! That wasn't it. I discovered I actually can change Exif Version with exiftool. I tried it on a jpg that wouldn't sort and it still wouldn't sort. I am still convinced it is the Photo Exif data that allows the Capture Date sort, but I can't figure out how to get that.
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  • rbpeirce
    I think I've got this figured out.

    There is an ExifVersion tag. It appears setting it to 0220 makes MediaPro think the image is a Photo and creates a Photo EXIF with a Capture Date corresponding to the Creation Date. Selecting Action->Rebuild updates the information in MediaPro and the item becomes sortable.

    I don't know that this is the only way to do it and I don't know that it is a perfect solution but it worked on all the items I tried it on.
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