[Okular-devel] [Bug 205863] New: When trying to open a DNG or NEF, what is opened in the JPEG thumb rather than the raw image

James Richard Tyrer tyrerj at acm.org
Tue Sep 1 07:00:28 CEST 2009


https://bugs.kde.org/show_bug.cgi?id=205863

           Summary: When trying to open a DNG or NEF, what is opened in
                    the JPEG thumb rather than the raw image
           Product: okular
           Version: 0.9
          Platform: Compiled Sources
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: okular-devel at kde.org
        ReportedBy: tyrerj at acm.org


Version:           0.9 (using Devel)
Compiler:          GCC-4.3.3 
OS:                Linux
Installed from:    Compiled sources

A NEF file (Nikon raw file) contains the raw RGBG image and a JPG thumbnail. 
The same is true of a DNG file.  I tired to open a NEF file in Okular and the
image quality was rather poor.  So, I converted it to DNG with the converter
and tried to open that file.  It looked about the same.  I used dcraw to make a
PPM file which looks much better.  After further research, I am fairly certain
that the problem is that Okular is displaying the JPG thumbnails rather than
converting and opening the file.

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