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xmp-xmp:CreateDate

Posted: Sat Mar 06, 2021 9:16 am
by herb
Hello Pierre,

I am working on a Windows 10 system with version 0.98.2.

When I write XMP-metadata to a file - that does not contain any XMP metadata - with dialog "Edit XMP..."
also the fields xmp-xmp:CreateDate and xmp-xmp:ModifyDate are created/written.
In case I modify again some XMP-metadata only field xmp-xmp:ModifyDate is updated.

To store the date/time of the last modification in field xmp-xmp:ModifyDate is ok.

But to store date/time of very first writing XMP-metadata into field xmp-xmp:CreateDate is wrong.
The XMP standard "XMP specification part 1" states clearly this this field must contain date/time when the whole file/image was created.

So xmp-xmp:CreateDate should be taken from EXIF:DateTimeOriginal.

Further I would like to propose that also field xmp-xmp:MetadataDate is updated in case of changing XMP-metadata.

Thanks in advance
herb

Re: xmp-xmp:CreateDate

Posted: Tue Mar 09, 2021 2:45 pm
by xnview
:bugconfirmed: Thanks to your detailed description I can reproduce the problem.

Re: xmp-xmp:CreateDate

Posted: Thu May 06, 2021 2:17 pm
by xnview
This problem is supposed to be fixed in XnView MP 0.98.3. Please check and confirm the bug fix here.