On Wed, 2010-10-13 at 14:06 +0200, Sebastian Spaeth wrote:
> On 2010-10-13, Michael Hendry wrote:
> > > Preventing duplicates is one of the beauties of shotwell for me. I often
> > > run an import from a camera sd card twice without deleting the pictures
> > > inbetween, I often import from a network share where my wife has put new
> > > photos in various locations, etc. I were lost if not for the duplicate
> > > detection :-).
> 
> > So the rest of us have to suffer because of your carelessness? <G>
> 
> It's not carelessness, it's my workflow. I reimport the same directory
> over and over again, with at least 2 persons adding pictures to various
> locations.

OK - point taken!

> 
> > At the very least, there should be a warning of the duplicates, and an
> > option to go ahead anyway, with a configuration option to ban all
> > duplicates.
> 
> Yep, it seems that would satisfy everyone.
> 
> > > I disagree, in my usecase once I've thrown a picture in the wastebasket,
> > > I don't want it to be reimported. ooh, "zombie photos" otherwise :).
> 
> > You agreed (above) that restoring information from the Wastebasket is
> > the wrong thing to do when an attempt to import apparently identical
> > images is made. Are you suggesting that once you've emptied the
> > Wastebasket Shotwell should "remember" that you've got rid of an image
> > and never want it imported again?
> 
> Yes, that is what I think. Once discarded, it should not be reimported
> (without a warning).
>  
>  Agreed, or a warning about duplicates and a set of "Yes...Yes to
> > all...No...No to all" import options would sort that.
> 
> /me nods.
> 
> > > If they have different resolution, they are (for shotwell) different
> > > images as the files differ, so that should already be possible.
> > 
> > Doesn't work for me - I think it's because the thumbnails are identical,
> > and the test for "identicality" doesn't take file-size or EXIF data into
> > consideration.
> 
> Uhh, last I looked at the database, it was taking the md5 of the photo
> file for duplicate identification. So if the EXIF data is different (or
> the file size), it should be possible to import duplicates. I defer to
> those more knowledgeable of the code base though.

In https://bugs.launchpad.net/ubuntu/+source/shotwell/+bug/644125 #4 Jim
Nelson confirms that 0.7.x won't pick up the change in EXIF data.

I've also come across the situation where one file twice the size of
another was regarded as a duplicate.

Michael


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