In Photos, I changed the date, title and information on the location of the images of a slide digitizing company.  I want to preserve the custom metadata and the original resolution of 2500 dpi in a file backup, but when I export it loses my metadata chan

Using version 1.3 of Photos, I edited the metadata about the images, I received a business of digitization of slides to insert the first day of the slide, the location, a title and a keyword.  I want to archive these images with the original resolution of 2500 dpi, but when I export original unmodified, it does not preserve information.  When I export by choosing export as XMP IPTC, I can't read the XMP file to see if there are my revisions.

When I export using the 'Export # photo (s)' choice, I can use the previews/tools/Inspector/iptc and see my changes.  But this photo has only 72 dpi.

Is there a way to preserve this modification of metadata information in the original not modified?  Alternatively, this file has XMP I exported the info?  If so, how can I read it?  And that would mean I need to export both the original unmodified and the XMP file to my files from archive?

Don't know what you want - well there is a CIO field in the EXIF fields it is meaningless as DPI is not a setting but the result of a math problem third grade - points by (divided by) inches until you add inches per impression you have no IPR - and when you add inches the DPI for printing are determined by calculating not by any setting

For more information, see http://www.rideau-info.com/photos/mythdpi.html

A 1200 x 1800 pixels picture printed as a 4'x 6' printing is 300 DPI bit matter what setting the EXIF says

LN

Tags: Mac OS & System Software

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