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#1 2022-05-16 17:12:12

mbtz
Member
2022-05-03
4

No meta data in small sizes

Hello, there are no meta data in the small pictures. Is it possible to copy the exif / meta data from the original image to all derivatives. Especially the copyright information. Many thanks for your help.

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#2 2022-05-16 19:59:07

mbtz
Member
2022-05-03
4

Re: No meta data in small sizes

Is it normal, that in the derivates are not the metadata from the original image? Is it possible to copy the metadata from the original (in particular the copyright information), when the derivates are generated? It is important. I'm having some trouble with Adobe Stock images because the IPTC data was removed due to Piwigo resizing. Can anyone help me?

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#3 2022-05-17 11:56:42

erAck
Only trying to help
2015-09-06
1368

Re: No meta data in small sizes

It's a config setting. To your local config add

Code:

// below which size (in pixels, ie width*height) do we remove metadata
// EXIF/IPTC... from derivative?
$conf['derivatives_strip_metadata_threshold'] = 256000;

with whatever value instead of the default 256000.


Running Piwigo at https://erack.net/gallery/

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#4 2022-05-17 12:24:47

mbtz
Member
2022-05-03
4

Re: No meta data in small sizes

Thank you for your answer but anyway there is no metadata in any size.

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#5 2022-05-17 18:31:01

erAck
Only trying to help
2015-09-06
1368

Re: No meta data in small sizes

Of course that setting comes into effect only when derivatives are created, not on the fly for already existing derivatives.

If you don't see metadata at all, not even for the original file, then maybe it's not extracted for some reason. Search the forum and/or use [extension by ddtddt] Read Metadata if the PHP builtin read_exif_data() is dysfunctional.


Running Piwigo at https://erack.net/gallery/

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