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Can't open jpeg generated by PR in Nik Define

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13 comments

  • Brian Lawson Community moderator

    I was able to open your image in Define2. I'm on a Mac so I used the Finder's command to Open With… and send it to Define2 that way. I was also able to use ON1's Send To… command to open it. I don't know Windows well enough to tell you its equivalent command but I assume there is a way to do that.

    You might want to talk to DXO about this, assuming you are running the latest version 3. If you're still on Define2 I'll need a more explicit description of what's going on to try to reproduce your problem.

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  • Martin Evans

    Thanks Brian. I am not using DXO version, I'm using the last free google version (which Define 2).

    I downloaded my own image just to check and it does not work.

    I only have this issue with images created by PR, and never with other JPEG generating software.

     

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  • Brian Lawson Community moderator

    Have you tried using a tiff or psd?

    I wouldn't use a jpeg for this kind of processing because of its lossy compression algorithms. You loose data when the original jpeg is created then more when it gets recompressed again after the noise reduction.

    I don't have the Nik Collection for my Windows system so I can't do any testing there which would tell us if there is something about your system that could be the cause of the problem. You'll have to ask support about it, sorry.

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  • Holger Danielsson

    I can confirm this error, when you run 'Dfine 2' as a standalone program to open the JPEG file. (Windows)

    But there is no problem with this picture, when you run 'Dfine 2' as a Photoshop plugin. It works.

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  • Holger Danielsson

    One additional remark: I just remember that 'Dfine 2' never was a standalone program as some other of the NIK collection (f.e. Viveza, HDR).  It was only a plugin for Adobe programs.

     

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  • Brian Lawson Community moderator

    I noticed that is has no Open command. The only way to get a file into it is to send it from another program.

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  • Martin Evans

    Holgar/Brian. Define 2 by google doesn't need an open command. You can just drop an image onto the define2 executable and it opens it (at least in Windows you can). You can also run it from a dos box with the name of the photo file.

    Brian. Point taken about jpeg compression. It doesn't really matter in this case as the image was being reduced in size for a particular requirement.

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  • Holger Danielsson

    Martin:

    - good news: indeed, both methods work... (I only tried using 'open with...')

    - bad news: both methods work with ALL tested JPEGs. Even with your file...

    (Windows 10 v2004, nikcollection-full-1.2.11)

     

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  • Brian Lawson Community moderator

    Thanks Martin, I was using that method as well. It is essentially the same as using the Open With command in the Finder.

    Since there is no support for Define2 I don't know where you can go with this. You can talk with ON1 support but I'm not sure how helpful they can be with this because it is an unsupported product.

    Do you have any other image processing software that you can use to convert a RAW file to a jpeg to see how Define2 handles it? You might try downloading something from Google Images and see if that jpeg can be opened. This would show if the problem is with just ON1 created jpegs or if there is something going on with your machine that is causing the problem.

    Have you reinstalled Define2?

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  • Martin Evans

    Brian, I've never had this happen with other software that generates jpegs from raws. I still use Nikon Capture NXD quite a lot (seems to work better for me for nature photos) and this works fine. It isn't a really big deal as I can do it as a tiff - just a bit annoying. I'm not going to bother reinstalling anything - the problem isn't worth the risk.

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  • Brian Lawson Community moderator

    Because it is working for jpegs from other software but not ON1's I would go ahead and report it then.

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  • Holger Danielsson

    And here is an explanation with a solution:

    PR exports with little-endian byte order, why Dfine only reads big-endian (see exif information). You can change this, if you want, with the powerful 'exiftool':

    Link: https://exiftool.org/

    You have to use a Windows-Powershell command for this workaround:

    exiftool -all= -tagsfromfile test.jpg -all:all -unsafe -exifbyteorder=big-endian test.jpg

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  • Brian Lawson Community moderator

    That does not explain why other Windows users are able to open the files in Define2 without any problems.

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