[Digikam-users] White balance

Caulier Gilles caulier.gilles at kdemail.net
Mon Apr 3 05:37:43 BST 2006

Le Lundi 03 Avril 2006 12:07 AM, Dudas Gabor a écrit :
> Hi,
> I am playing with raw conversion and white balance settings in the fresh
> svn version of digikam, and I have a question related to this:
> After converting a raw to an adjustable image, I am trying to set the white
> balance of the picture. Lets say, I set it to 6500K. Calculation done, the
> picture is almost perfect. However it needs a slight adjustment with the
> white balance. If I re-invoke the white balance settings I will find that
> it says: Temperature: 4750.
> However, I know it is 6500!
> I suppose this is not a bug. I guess digikam doesn't know the color
> temperature of a picture by itself. It needs this information either from
> the camera or from the user, which is normal. But I think digikam does not
> get this information from the camera, or - after setting it to a value - it
> does not store it somewhere in a database.
> Am I right?

yes nothing is stored somewhere in database about white balance.

About JPEG there is an Exif/makerNote tags about white balance, this is 
relevant of 8 bits images.

About RAW, there is a tags but it's can be used actually in digikam directly. 


> Thanks!
> Regards,
> Gabor Dudas

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