[Digikam-users] some questions

[Johannes Kapune]

Thanks for answers,


Am 14.05.2015 um 21:02 schrieb Gilles Caulier:
> 2015-05-14 19:39 GMT+02:00 Johannes Kapune <listen at kapune.de>:
>> Dear all,
>>
>> thanks for improving Digikam.
>>
>> Now I use DigiKam 4.10.0 on openSUSE 13.2
>>
>> Maybe my questions are related to my (wrong) work flow?
>>
>> First my hardware configuration:
>>
>> My pictures are placed on a NFS-share on my server directly imported to
>> local machine via fstab
>>
>> for this my digikam4.db and also my thumbnails-digikam.db is on local hd
>>
>>
>> DigiKam is configurated to store all metadata in picture (I have a backup in
>> a safe place!)
>>
>>
>>
>> My question now is: Is the face rectangle also stored in picture or is it in
>> database?
>
> Both. face region are stored to XMP. Look with metadata viewer for details.

as you can see on my screenshot I do not have the part "MP" and no 
"MGWR". And how do you get this view in multi line display? I have only 
one endless line. Is this OS related? Or is there an option to switch on?

http://imgbin.org/index.php?page=image&id=23749
>
>> I ask this because I had problems when choosing all pictures (~ 95.000
>> pictures) in one part than generating thumbnails and fingerprints crashes
>> DigiKam. For this I only choose a part of all of pictures to get faces named
>> but will I loose this named faces now when choose only other part of
>> pictures?
>
> Backtrace of the crash please.
>
> There is already a report about but under Windows. No suitable
> backtrace can be generated.

sorry, but I do not get a backtrace too on my openSUSE, I tried but it 
seems that there is no debug information
>
> When you generate fingerprint did you use maintenance tool ? Did yiu
> use multi-core option ?

yes, switch to use all cores is set
>
>>
>> If faces are stored in pictures and there will be no loss What can I do
>> later to get access to all pictures including fingerprints and thumbnails?
>>
>>
>> Maybe my observation is related to some wrong work flow but I see several
>> times that after I ordered faces to pictures next time I start DigiKam again
>> some faces are connected to wrong name.
>>
>> After this I can't find a solution to bring this faces back to "unknown".
>> Even if I choose this tag and I hit "OK" there is no change and I can not
>> confirm in any other way. Do I make a mistake here?
>
> Select and image in icon view and :
>
> 1/ look if face region tags are visible in XMP (MP and MWGR
> namespace). Example :
>
> https://www.flickr.com/photos/digikam/17025214644/in/dateposted-public/

see above
>
> 2/ try to use More>Sync DB with metadata from Caption & Tags side bar.

sorry, I do not find this option. You have a screenshot? Maybe my German 
translation is kidding me
>
>> Only option is to delete the face rectangle completely or to confirm that
>> this is no face - but both is not I want to do.
>>
>> I would like to bring this faces back to "unknown" because some of this
>> faces I do not know and if I have them in one place every visitor can easily
>> help me to name this "unknown faces".
>>
>> Thanks in advanced
>>
>> Johannes
>>
>>
>> PS Do you see a chance to get the mysql database back on server so we can
>> use same database from several client machines (not at same time)?
>
> If we can find a student to work on it. For the moment no. We are
> focused to KF5 port. After we will see.

I was afraid to hear this.

>
> Gilles Caulier


Johannes