Can digiKam read jpeg's IPTC.Urgency tag set outside?

Hello,
I am a new Ubuntu user and found DigiKam is a great photo tool. I have
thousands of photo shot with my Nikon D80, managed with Picasa for
windows previously. Now I move them to my Ubuntu PC and wrote a Perl
script to 'copy' the Picasa's star to DigiKam...

I use Perl's exiftool module to do it, but something strange happened...
This is part of my script:

my $exifTool = new Image::ExifTool;
$tag = '1IPTC:Urgency';

foreach $file (@arFiles)
{
$info = $exifTool->ImageInfo($file,$tag2);$success =
$exifTool->SetNewValue($tag, '7'); #set rating to 1 star
$exifTool->WriteInfo($file);
}

then select the photos in DigiKam, and click 'more->read metadata from
file to database' on right panel and hope it work...

The problem is, when $file is a .NEF file(Nikon raw) it works great. But
   if is a .jpg file(major of my collections), The star doesn't appear
in DigiKam. I try to set the star for the .jpg in DigiKam and I can find
IPTC.Urgency tag is updated.

Any Help?

Regard,
Bill Chan

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[Gilles Caulier-4]

2007/10/18, BillChan <[hidden email]>:

Hello,
I am a new Ubuntu user and found DigiKam is a great photo tool. I have
thousands of photo shot with my Nikon D80, managed with Picasa for
windows previously. Now I move them to my Ubuntu PC and wrote a Perl
script to 'copy' the Picasa's star to DigiKam...

I use Perl's exiftool module to do it, but something strange happened...
This is part of my script:

my $exifTool = new Image::ExifTool;
$tag = '1IPTC:Urgency';

foreach $file (@arFiles)
{
$info = $exifTool->ImageInfo($file,$tag2);$success =
$exifTool->SetNewValue($tag, '7'); #set rating to 1 star
$exifTool->WriteInfo($file);
}

then select the photos in DigiKam, and click 'more->read metadata from
file to database' on right panel and hope it work...

The problem is, when $file is a .NEF file(Nikon raw) it works great. But
   if is a .jpg file(major of my collections), The star doesn't appear
in DigiKam.

There is no reason for that. all image file format are parsed by the same way. Are you sure than your JPEG file as Iptc.Urgency tag set properlly before to import it to digiKam DB ?

Alternativly, there are other way than IPTC to set Rating value. Try Exif.Image.0x4746 tag (Windows Vista Rating).

Note : the code used to extract rating from image can be seen here :

http://websvn.kde.org/branches/extragear/kde3/graphics/digikam/libs/dmetadata/dmetadata.cpp?revision=711981&view=markup

...and expecially the method DMetadata::getImageRating().

Regards

Gilles

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