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Author Topic: Program Metadata to TAG translation  (Read 10322 times)

StarGeek

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Program Metadata to TAG translation
« on: January 08, 2016, 07:06:35 PM »
One problem that pops up sometimes is when is talking about what one program calls a metadata tag and what are the actual tags that are written.  I attempted to go though all of the metadata in my copy of Lightroom (v. 4.4) and make a translation between the two.  If anyone notices any errors or if a different version of Lightroom does things differently, let me know or post below and I'll add it in.

At some point, I'll try to do the same with some other programs I have access too. 

Let me know if anyone has any suggestions as well.


Lightroom MetadataActual Tags Written
Capture TimeEXIF:DateTimeOriginal
IPTC:DateCreated
IPTC:TimeCreated
XMP:DateCreated
Persons ShownXMP:PersonInImage
TitleXMP:Title
IPTC:ObjectName
LabelXMP:Label
RatingXMP:Rating
CaptionEXIF:ImageDescription
IPTC:Caption-Abstract
XMP:Description
Note: If there are multiple lines, Lightroom will use Carriage Returns in Caption-Abstract, but Line Feeds in ImageDescription and Description
User CommentEXIF:UserComment
GPS Data
  • GPS
  • Altitude
Writes to EXIF GPS block.  Will erase XMP GPS data if it exists.
GPSLatitudeRef
GPSLatitude
GPSLongitudeRef
GPSLongitude
GPSAltitude
GPSTimeStamp
GPSImgDirectionRef
GPSImgDirection
GPSMapDatum
Contact->CreatorEXIF:Artist
IPTC:By-line
XMP:Creator
Contact->Job TitleIPTC:By-lineTitle
XMP:AuthorsPosition
Contact->AddressXMP:CreatorAddress
Contact->CityXMP:CreatorCity
Contact->State / ProvinceXMP:CreatorRegion
Contact->Postal CodeXMP:CreatorPostalCode
Contact->CountryXMP:CreatorCountry
Contact->PhoneXMP:CreatorWorkTelephone
Contact->E-mailXMP:CreatorWorkEmail
Contact->WebsiteXMP:CreatorWorkURL
IPTC->HeadlineIPTC:Headline
XMP:Headline
IPTC->IPTC Subject CodeXMP:SubjectCode
IPTC->Description WriterIPTC:Writer-Editor
XMP:CaptionWriter
IPTC->CategoryIPTC:Category
XMP:Category
IPTC->Other CategoriesIPTC:SupplementalCategories
XMP:SupplementalCategories
Image->Date CreatedIPTC:DateCreated
XMP:DateCreated
Image->Intellectual GenreXMP:IntellectualGenre
Image->IPTC Scene CodeXMP:Scene
Image->SublocationIPTC:Sub-location
XMP:Location
Image->CityIPTC:City
XMP:City
Image->State / ProvinceIPTC:Province-State
XMP:State
Image->CountryIPTC:Country-PrimaryLocationName
XMP:Country
Image->ISO Country Code
In Lightroom, ISO Country Code must consist of two or three ASCII letters, or three ASCII numerals.
The IPTC standard states that Country-PrimaryLocationCode should have a length of three.
While writing to Country-PrimaryLocationCode, ExifTool will respond with an error if the length is not three, but this limit can be overwritten with the -m option		IPTC:Country-PrimaryLocationCode
XMP:CountryCode
Workflow->Job IdentifierIPTC:OriginalTransmissionReference
XMP:TransmissionReference
Workflow->InstructionsIPTC:SpecialInstructions
XMP:Instructions
Workflow->CreditlineIPTC:Credit
XMP:Credit
Workflow->SourceIPTC:Source
XMP:Source
Copyright->Copyright Status
True for Copyrighted, False for Public Domain, removed for Unknown		Photoshop:CopyrightFlag
XMP:marked
Copyright->CopyrightEXIF:Copyright
IPTC:CopyrightNotice
XMP:Rights
Copyright->Rights Usage TermsXMP:UsageTerms
Copyright->Copyright Info URLPhotoshop:URL
XMP:Copyright Info URL
Description->Person ShownXMP:PersonInImage
Description->Location Created->SublocationXMP:LocationCreatedSublocation
Description->Location Created->CityXMP:LocationCreatedCity
Description->Location Created->State / ProvinceXMP:LocationCreatedProvinceState
Description->Location Created->CountryXMP:LocationCreatedCountryName
Description->Location Created->Country CodeXMP:LocationCreatedCountryCode
Description->Location Created->World RegionXMP:LocationCreatedWorldRegion
Description->Location Shown->SublocationXMP:LocationShownSublocation
Description->Location Shown->CityXMP:LocationShownCity
Description->Location Shown->State / ProvinceXMP:LocationShownProvinceState
Description->Location Shown->CountryXMP:LocationShownCountryName
Description->Location Shown->Country CodeXMP:LocationShownCountryCode
Description->Location Shown->World RegionXMP:LocationShownWorldRegion
Description->Name of Org ShownXMP:OrganisationInImageName
Description->Code of Org ShownXMP:OrganisationInImageCode
Description->EventXMP:Event
Artworks or Objects->Artwork Shown->TitleXMP:ArtworkTitle
Artworks or Objects->Artwork Shown->Date CreatedXMP:ArtworkDateCreated
Artworks or Objects->Artwork Shown->CreatorXMP:ArtworkCreator
Artworks or Objects->Artwork Shown->SourceXMP:ArtworkSource
Artworks or Objects->Artwork Shown->Inventory NumberXMP:ArtworkSourceInventoryNo
Artworks or Objects->Artwork Shown->Copyright NoticeXMP:ArtworkCopyrightNotice
Models->Additional InfoXMP:AdditionalModelInformation
Models->AgeXMP:ModelAge
Models->Minor Age DisclosureXMP:MinorModelAgeDisclosure
Models->Release StatusXMP:ModelReleaseStatus
Models->Release IDXMP:ModelReleaseID
Admin->Image Supplier->NameXMP:ImageSupplierName
Admin->Image Supplier->IdentifierXMP:ImageSupplierID
Admin->Supplier Image IDXMP:ImageSupplierImageID
Admin->Image Registry Entry->Organization IDXMP:RegistryOrganisationID
Admin->Image Registry Entry->Item IDXMP:RegistryItemID
Admin->Max Avail HeightXMP:MaxAvailHeight
Admin->Max Avail WidthXMP:MaxAvailWidth
Admin->Source TypeXMP:DigitalSourceType
Rights->Image Creator->NameXMP:ImageCreatorName
Rights->Image Creator->IdentifierXMP:ImageCreatorID
Rights->Copyright Owner->NameXMP:CopyrightOwnerName
Rights->Copyright Owner->IdentifierXMP:CopyrightOwnerID
Rights->Licensor->NameXMP:LicensorName
Rights->Licensor->IdentifierXMP:LicensorID
Rights->Licensor->Street AddressXMP:LicensorStreetAddress
Rights->Licensor->Extended AddressXMP:LicensorExtendedAddress
Rights->Licensor->CityXMP:LicensorCity
Rights->Licensor->State / ProvinceXMP:LicensorRegion
Rights->Licensor->Postal CodeXMP:LicensorPostalCode
Rights->Licensor->CountryXMP:LicensorCountry
Rights->Licensor->Telephone 1
If changed by drop down menu, it can create a secondary tag with the type of phone number:LicensorTelephoneType1		XMP:LicensorTelephone1
Related: XMP:LicensorTelephoneType1
Rights->Licensor->Telephone 2
If changed by drop down menu, it can create a secondary tag with the type of phone number		XMP:LicensorTelephone2
Related: XMP:LicensorTelephoneType2
Rights->Licensor->E-MailXMP:LicensorEmail
Rights->Licensor->URLXMP:LicensorURL
Property->Release IdXMP:PropertyReleaseID
Property->Release StatusXMP:PropertyReleaseStatus

Revisions:
2016-01-08: First draft, info for Lightroom v. 4.4
Logged
Troubleshooting hints:
* When posting, include your OS, Exiftool version, and type of file you're processing (MP4, JPG, etc).
* Double all percent signs (%) in a Windows batch file.
* If your GPS coords are negative, make sure and set the GpsLatitudeRef and GpsLongitudeRef tags correctly.

SK

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Re: Program Metadata to TAG translation
« Reply #1 on: January 04, 2017, 06:26:13 PM »
Hi StarGeek,
First off! Great job in collating all the info!

Is there a USE CASE for groups like
  • Workflow
  • Models
  • Artworks or Objects
I am not familiar with LR, Is it possible to explain how these are used in LR (examples)?
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StarGeek

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  • Posts: 4456
Re: Program Metadata to TAG translation
« Reply #2 on: January 04, 2017, 07:05:44 PM »
Quote from: SK on January 04, 2017, 06:26:13 PM
Is there a USE CASE for groups like
  • Workflow
  • Models
  • Artworks or Objects

There must be otherwise someone went to a lot of work for nothing.  Some (all?) of these are detailed in the IPTC-PhotoMetadata spec pdf.  For example, JobID is defined as
"Number or identifier for the purpose of improved workflow handling. This is a user created
identifier related to the job for which the item is supplied."

I can only guess at the case uses for these items as I'm simply an amateur and these seem orientated toward a professional studio or business.  For the casual user, they probably aren't of any use.

Just as an example, here's what the Workflow section in LR 4.4 looks like.  It's showing the tags I preloaded on an image in order to identify what tags are read.
Logged
Troubleshooting hints:
* When posting, include your OS, Exiftool version, and type of file you're processing (MP4, JPG, etc).
* Double all percent signs (%) in a Windows batch file.
* If your GPS coords are negative, make sure and set the GpsLatitudeRef and GpsLongitudeRef tags correctly.

StarGeek

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  • ExifTool Freak
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  • Posts: 4456
Re: Program Metadata to TAG translation
« Reply #3 on: June 13, 2017, 11:14:43 PM »
It's not pretty, but here is the data for Flickr

Flickr
Metadata NameTags read, priority orderTags Written
(site cannot write tags)
Headline1
  • IPTC:Headline
  • IPTC:ObjectName
  • XMP-dc:Title
  • File Name
n/a
Description
  • IPTC:Caption-Abstract
  • XMP-dc:Description
  • EXIF:ImageDescription
n/a
Tags
  • IPTC:Keywords
  • XMP-dc:Subject
  • Combined Tags
    • IPTC:City
    • IPTC:Province-State
    • IPTC:Country-PrimaryLocationName
    • xmp:City
    • XMP-photoshop:State
    • XMP-photoshop:Country
    • XMP-iptcCore:CountryCode
n/a
Orientation
(not shown, respected on upload)
  • EXIF:Orientation
n/a
Taken on
  • XMP-exif:DateTimeOriginal
  • EXIF:DateTimeOriginal
  • Date Uploaded
n/a
Make1
  • XMP-tiff:Make
  • EXIF:Make
n/a
Model1
  • XMP-tiff:Model
  • EXIF:Model
n/a
LensModel1
  • XMP-exifEX:LensModel
  • EXIF:LensModel
n/a
FNumber1
  • EXIF:FNumber
  • XMP-exif:FNumber
n/a
FocalLength1
  • EXIF:FocalLength
n/a
ExposureTime
  • EXIF:ExposureTime
  • XMP-exif:ExposureTime
n/a
ISO
  • EXIF:ISO
n/a
GPS2EXIF GPS tags
  • GPS:GPSLatitudeRef
  • GPS:GPSLongitude
  • GPS:GPSLongitudeRef
  • GPS:GPSLatitude
n/a
  • 1 No field name shown, sometimes there is an icon
  • 2 GPS map locations are shown based upon GPS privacy settings at time of upload
  • If IPTC:Keywords and XMP-dc:Subject do not exist, then Tags is populated with all of the listed combined tags.
  • If the "Show Exif" link is clicked, all tags extracted by Exiftool are shown, as Flickr uses Exiftool to extract metadata.
Logged
Troubleshooting hints:
* When posting, include your OS, Exiftool version, and type of file you're processing (MP4, JPG, etc).
* Double all percent signs (%) in a Windows batch file.
* If your GPS coords are negative, make sure and set the GpsLatitudeRef and GpsLongitudeRef tags correctly.
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