XMP Files?

Discussion in 'Graphics Programs and Photo Gallery' started by mcoppadge, Aug 11, 2009.

  1. mcoppadge

    mcoppadge TPF Noob!

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    After editing some photos on Photoshop, I found a bunch of .xmp files in the same folder. Can someone enlighten me as to what these are? Can I get rid of them?
     
  2. Josh66

    Josh66 Been spending a lot of time on here!

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    You can, but then you will use all of your work.

    They are the sidecar files that tell PS what to do to your picture.

    When you edit, it's not actually changing the picture. It's just writing a file (the .xmp sidecar) that tells it what to do when you export it.
     
  3. mcoppadge

    mcoppadge TPF Noob!

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    Are they associated with a certain filetype?
     
  4. Josh66

    Josh66 Been spending a lot of time on here!

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    What do you mean? They are a file type.

    Do you mean a certain program? As far as I know only PS or LR can read them.
     
  5. Josh66

    Josh66 Been spending a lot of time on here!

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    Think of it as a log of all of the changes you have made to a picture.
     
  6. mcoppadge

    mcoppadge TPF Noob!

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    I mean are they created whether or not you're editing JPGs, TIFFs, or RAW?
     
  7. Josh66

    Josh66 Been spending a lot of time on here!

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    Yes, they get created no matter what kind of file you are working on.

    That's the case with Lightroom anyway, I would think Photoshop would be the same.
     
  8. mcoppadge

    mcoppadge TPF Noob!

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    Great. Thanks!

    I use Extensis Portfolio to catalog my photos and I kept finding .xmps in my catalog and didn't want them there. I figured out how to get Portfolio to ignore them so it doesn't really matter anymore. At least now I know what they're for.
     
  9. Peano

    Peano TPF Noob!

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    Yes, they're associated only with raw filetypes ... .NEF in your case, .CR2 for Canon raw files, etc. They contain instructions for the changes you made in your raw converter, not changes you made inside Photoshop. So if you move a raw file to a different directory, you should move the .XMP file along with it.

    If you don't want Camera Raw to create .XMP files, you can change that in the preferences dialog. But you're probably better off to keep saving changes in .XMP sidecars.

    [​IMG]
     
  10. Peano

    Peano TPF Noob!

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    No, they're only created for raw files, not for .DNG or .TIF or .JPG, for instance.
     
  11. Josh66

    Josh66 Been spending a lot of time on here!

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    Yes, they are created for JPGs and TIFFs in Lightroom - like I said.
     
  12. Peano

    Peano TPF Noob!

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    It isn't the same in Photoshop/Camera Raw.
     

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