Problems with 'disappearing' images

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Problems with 'disappearing' images

Max Bedacht
I think that I have seen problems similar to this but I am not sure if there has been a solution. The situation is the following:

I have a group of images (12) that have been edited from CR2 originals to PNG final versions to JPG full size 100% versions.

For trial submission to an agency I need to re-size, convert color space to Adobe and put author/copyright info into a new JPG version.

I use the batch processor with the three commands (Convert, re-size, apply metadata template). I set parameters to place the new images in the same directory as the originals, appending -sample to the file name.

After the batch is done all of the images have been processed, and all of the new images are in the output directory, but in the catalog there are two that do not show the -sample image.

I have tried removing all of the images from the catalog and re-importing - the result is that the same 2 images are missing.

I have done an sqlite3 vacuum on the database and the results continue missing the 2 images.

I deleted all the -samples and re-ran the commands, placing the resulting images in another, new, directory. This time only one image was missing from the catalog, although it was in the directory, but it was not one of the original missing images.

I don't know where to go from here, any ideas?

I'm running Ubuntu 12.04 with Digikam 2.7.

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Re: Problems with 'disappearing' images

Simon Cropper-3
On 19/07/12 05:10, Max Bedacht wrote:

> I think that I have seen problems similar to this but I am not sure if
> there has been a solution. The situation is the following:
>
> I have a group of images (12) that have been edited from CR2 originals
> to PNG final versions to JPG full size 100% versions.
>
> For trial submission to an agency I need to re-size, convert color space
> to Adobe and put author/copyright info into a new JPG version.
>
> I use the batch processor with the three commands (Convert, re-size,
> apply metadata template). I set parameters to place the new images in
> the same directory as the originals, appending -sample to the file name.
>
> After the batch is done all of the images have been processed, and all
> of the new images are in the output directory, but in the catalog there
> are two that do not show the -sample image.
>
> I have tried removing all of the images from the catalog and
> re-importing - the result is that the same 2 images are missing.
>
> I have done an sqlite3 vacuum on the database and the results continue
> missing the 2 images.
>
> I deleted all the -samples and re-ran the commands, placing the
> resulting images in another, new, directory. This time only one image
> was missing from the catalog, although it was in the directory, but it
> was not one of the original missing images.
>
> I don't know where to go from here, any ideas?
>
> I'm running Ubuntu 12.04 with Digikam 2.7.
>
>
> _______________________________________________
> Digikam-users mailing list
> [hidden email]
> https://mail.kde.org/mailman/listinfo/digikam-users
>

Hi Max,

Two things come to mind. Sorry if they seem odd but I suspect you are
probably open to dumb suggestions.

First, try removing th "-" and replacing with "_" instead. Sometimes I
find some characters are just not processed correctly (see story below).

Second, I vaguely remember similar issues being discussed on the forum.
 From memory it related to metadata. Look at the type of metadata in the
originals and the symbols used. Try making a copy with another package,
say GIMP, stripping the existing metadata and try again.

If you have access to a Windows or Mac, which I presume you do as I am
pretty sure CR2 does not run on Ubuntu, try using ExifTools
(http://www.sno.phy.queensu.ca/~phil/exiftool/) to see if something
different is in the metadata for the images that are being problematic.

*True Story* - I had some data I imported from Windows to Ubuntu. The
data was raw text. I imported into LibreOffice Calc. Calc then displayed
very peculiar behaviour with sheets being parsed mid-sheet and visually
offset by a number of pixels. Visually it appeared the data was walking
of the page. In the end I tracked it down to use of the degrees symbol
(as in degrees Celsius) in the windows dataset -- once I removed this
everything worked. Apparently this symbol differs between code pages.
The lesson I learned from this is, where possible always use UTF-8 or
UTF-16 code pages in text being moved around platforms otherwise stick
to the absolute basics -- azAZ09; no symbols.

--
Cheers Simon

    Simon Cropper - Open Content Creator

    Free and Open Source Software Workflow Guides
    ------------------------------------------------------------
    Introduction               http://www.fossworkflowguides.com
    GIS Packages           http://www.fossworkflowguides.com/gis
    bash / Python    http://www.fossworkflowguides.com/scripting


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Re: Problems with 'disappearing' images

tosca


2012/7/19 Simon Cropper <[hidden email]>


Hi Max,

Two things come to mind.

I had a completely different experience, and seem to remember I was not alone at the moment having problems with the grouping functionality. Even if I hadn't want to group pictures, some of them became grouped (wrong key combination, or whatever) and would forever become hidden for Digikam, whatever I could try to do.
The only solution I've found was to enter the DB and manually remove the records that prevent the pictures to be visible.

But this was a couple of Digikam versions ago, and I think (hope...) the DB management has been greatly improved and this problem shouldn't arise any more.

Marie-Noëlle

--


Mes dernières photos sont dans ma galerie.
Retrouvez-moi aussi sur mon blog.
Et parcourez les Cévennes à ma façon avec Cévennes Plurielles,


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Re: Problems with 'disappearing' images

jag59
This post was updated on .
In reply to this post by Max Bedacht
Max Bedacht wrote
I think that I have seen problems similar to this but I am not sure if
there has been a solution. The situation is the following:

I have a group of images (12) that have been edited from CR2 originals to
PNG final versions to JPG full size 100% versions.

For trial submission to an agency I need to re-size, convert color space to
Adobe and put author/copyright info into a new JPG version.
......................

I don't know where to go from here, any ideas?

I'm running Ubuntu 12.04 with Digikam 2.7.

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Have you selected 'always show original images' and 'always show intermediate snapshots' in settings>configure digikam>editing images? By default it is deselected and I too was restless for  a complete day!
By default it need be kept 'tickmarked' in the future versions to avoid trouble to many users.
Jagdeesh Deshpande.
Registered Linux user #492893
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Re: Problems with 'disappearing' images

Max Bedacht
Hi All;

Thanks for the suggestions.

Jagdeesh, yes, both those options are (and were) ticked - Don't think that's the problem.

Marie-Noëlle, that is exactly what I ended up doing. I went into the database and killed all the records for the image(s) that was missing. There were four or five! After a restart the missing image came back and in the database there were two records for it.

Simon, your suggestion is intriguing. While I can process the CR2 images with no problem on Linux, in this case the images were first processed on a Windows box using Photoshop Elements. I'm not sure how, or even if i can - specify UTF-8 in that piece of software. I will however make a test on the next batch to see if 'dash' or 'underline' make any difference.

Thanks again to all for the ideas;

Max Bedacht

On Thu, Jul 19, 2012 at 9:17 AM, jag59 <[hidden email]> wrote:

Max Bedacht wrote
>
> I think that I have seen problems similar to this but I am not sure if
> there has been a solution. The situation is the following:
>
> I have a group of images (12) that have been edited from CR2 originals to
> PNG final versions to JPG full size 100% versions.
>
> For trial submission to an agency I need to re-size, convert color space
> to
> Adobe and put author/copyright info into a new JPG version.
> ......................
>
> I don't know where to go from here, any ideas?
>
> I'm running Ubuntu 12.04 with Digikam 2.7.
>
> _______________________________________________
> Digikam-users mailing list
> Digikam-users@
> https://mail.kde.org/mailman/listinfo/digikam-users
>
Have you selected 'always show original images' and 'always show
intermediate snapshots' in settings>configure digikam>editing images. By
default it is deselected and I too was restless for  a complete day!
By default it need be kept 'tickmarked' in the future versions to avoid
trouble to many users.


-----
Jagdeesh Deshpande.
Registered Linux user #492893

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