[Digikam-devel] [Bug 283011] New: Write metadata focallength35 back to images when present in database

[Gerhard Kulzer]

https://bugs.kde.org/show_bug.cgi?id=283011

           Summary: Write metadata focallength35 back to images when
                    present in database
           Product: digikam
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Metadata
        AssignedTo: digikam-devel at kde.org
        ReportedBy: gerhardk at gmx.ch


Version:           unspecified (using KDE 4.7.1) 
OS:                Linux

I like to know the full frame focal length of my images, but for most lenses
this data is not readily available in the metadata.
It is easy to update the respective field (focalLength35 in table
ImageMetadata) with a SQL statement (e.g. UPDATE ImageMetadata SET
focalLength35=focalLength*1.6 WHERE model LIKE 'Canon EOS%' AND focalLength35
IS NULL;). This metadata is then presented in the info tool (mouse hovering) in
digikam. 
I would like to write this data back to the files (Menu: Image->Write Metadata
to Image) after doing the same selection of photos in digikam, but it doesn't
work. I have to edit images individually with Image->Metadata->Edit all
metadata.

Reproducible: Always

Steps to Reproduce:
Image->Write Metadata to Image


Expected Results:  
Image->Write Metadata to Image should write the focalLength35 field back into
the exif data of the image files.

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