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I am looking for Linux software with a GUI frontend that can convert a negative (tiff, png, jpg) into a viewable positive photograph that can then be edited or printed. ...
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  1. #1
    Just Joined! measekite's Avatar
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    Question Software to convert negative to positive


    I am looking for Linux software with a GUI frontend that can convert a negative (tiff, png, jpg) into a viewable positive photograph that can then be edited or printed.

    Is there such a thing?

  2. #2
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    Have you looked at The GIMP?
    Layer -> Colors -> Invert should do the trick.

    cheers, kai

  3. #3
    Just Joined! measekite's Avatar
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    Quote Originally Posted by kai12 View Post
    Have you looked at The GIMP?
    Layer -> Colors -> Invert should do the trick.

    cheers, kai
    I use Gimp all of the time. Layers>Colors>Invert just changes the orange negative to cyan. It does not work.

  4. #4
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    Sorry to hear that.

    I still think it *should* work, I double-checked by converting a scanned negative from this tutorial (for photoshop), and The Gimp inverted it to pretty much the same image as in said tutorial.

    I tried imagemagick (convert with the -negate option), too, which produced about the same result.

    My guess is that this is not a software issue but specific to your negatives - I would seek help in forum on digital photography, maybe here. Maybe you need to do some filtering to get the right colors.

    cheers, kai

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