Sidecar data not being used for raw files

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ksdehoff
Posts: 1
Joined: Fri Sep 22, 2017 4:51 pm

Sidecar data not being used for raw files

Postby ksdehoff » Thu Oct 12, 2017 6:48 am

Hello:

In order to filter my raw (cr2) files I am searching on their rating, wanting to display only my 5 star raw files. I've run into a problem in that the rating program creates *.xmp sidecar files and it appears gphotoshow isn't searching these for the rating, only looking at the cr2 file. Is there some mechanism to enable sidecar file support? This is supposedly an industry 'standard' supported by adobe.

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gpb
Site Admin
Posts: 408
Joined: Mon Dec 19, 2011 1:23 am

Re: Sidecar data not being used for raw files

Postby gpb » Thu Oct 12, 2017 4:41 pm

Hello,
gPhotoShow reads raw files using Windows Imaging Component (WIC), it's a generic framework that allows makers to create codecs for their raw file formats and make them available to any windows program, the problem is that most of them provide only basic support to read images and few metadata from raw files. So it is possible Canon codec simply ignores sidecar file. I tested NEF and DNG codecs, only DNG codec developed by Adobe provides full support for metadata.
Gianpaolo Bottin
gPhotoShow.com


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