Raw DNG Negative files and Immich | Immich | Page 1

summer spade Oct 23, 2024, 3:19 PM

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I am currently scanning my negatives, and editing them in NegativeLabPro within lightroom. When saving, the edits are non destructive, meaning they are saved on top or alongside the file. I am talking about raw DNG files, that are about 80MB in size per image. If I were to upload these images to immich, would immich be able to turn it into a positive with the metadata?

polar dome Oct 23, 2024, 3:20 PM

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Immich supports DNG images, yes

summer spade Oct 23, 2024, 3:21 PM

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Specifically Negative DNG images?

polar dome Oct 23, 2024, 3:22 PM

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That’s up to libraw, but I assume so

summer spade Oct 23, 2024, 3:22 PM

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What does that mean?

polar dome Oct 23, 2024, 3:25 PM

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libraw is the raw image processing library we use that internally decodes and interprets the RAW image

summer spade Oct 23, 2024, 3:25 PM

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Okay, so if I were to create a sidecar alongside my raw negative image, it should turn it into a positive

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Well, be turned into, as it has the metadata to become a positive of course.

polar dome Oct 23, 2024, 3:35 PM

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Hmmm, I’m not sure if it would use the sidecar file for that. We just give it the path to the image, so it may or may not check if there’s a sidecar file and use it

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I know it uses embedded XMP data though

#Raw DNG Negative files and Immich