[digikam] [Bug 330943] New: new lens not detected

[Marc Cousin]

https://bugs.kde.org/show_bug.cgi?id=330943

            Bug ID: 330943
           Summary: new lens not detected
    Classification: Unclassified
           Product: digikam
           Version: 3.5.0
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: [hidden email]
          Reporter: [hidden email]

Hi,

I've been working with the lensfun project to add the 18-55 Fuji X lens. I
cannot get digikam to detect it (it works with the lensfun gimp plugin).

I tried:
- Putting the xml file (attached) into .local/share/lensfun
- Putting it in /usr/share/lensfun
- Importing the full database from the svn version of lensfun (/.configure
--prefix=/usr;make install data)

None of these work. Selecting my camera or any of its family (XE1,Xpro1, XE2…)
doesn't display the lens. I only get the 4 generic lenses.

Reproducible: Always

Steps to Reproduce:
1. Import the lens xml file
2. Try to correct (image editor, enhance, lens/autocorrection)
3. Select Fujifim, XE1, the lens isn't displayed

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[Marc Cousin]

https://bugs.kde.org/show_bug.cgi?id=330943

--- Comment #1 from Marc Cousin <[hidden email]> ---
Created attachment 85057
  --> https://bugs.kde.org/attachment.cgi?id=85057&action=edit
the lens xml file

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=330943

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[hidden email]
          Component|general                     |Lens Distortion
            Product|digikam                     |digikamimageplugins

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[Marc Cousin]

https://bugs.kde.org/show_bug.cgi?id=330943

--- Comment #2 from Marc Cousin <[hidden email]> ---
Is there something I can add to this bug report ?

Regards

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[Marc Cousin]

https://bugs.kde.org/show_bug.cgi?id=330943

--- Comment #3 from Marc Cousin <[hidden email]> ---
Hi,

Any news on this ? How could I help ? It's a bit of a pity to have to go to
gimp only for this part.

To sum up, try it like this (no need to add another file):

In gimp, with the gimp-lensfun plugin, select a fuji X-E1 for instance. You'll
get about 10 different compatible lenses (with the current database).

In digikam, select the fuji X-E1, you'll only get 4 «standard» lenses.

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[Michael Reed]

https://bugs.kde.org/show_bug.cgi?id=330943

Michael Reed <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[hidden email]

--- Comment #4 from Michael Reed <[hidden email]> ---
I wonder if this could be related to a problem that I have had with Digikam and
my current camera body?

Basically, my current camera body specifies itself as "OLYMPUS IMAGING CORP."
rather than "Olympus Imaging Corp." in the metadata. This seems to confuse the
software.

To remedy it, I opened /usr/share/lensfun/mil-olympus.xml in a text editor (as
root) and changed the <maker> field to upper case. Things seem to be working
properly now. Note that it would crash while doing the lens correction if I had
two entries that were identical other than the case of the <maker> field.

This gives an exact match for the E-PL5 body with its kit zoom. With the
Olympus body and a Panasonic lens, it guesses wrong but the right lens is now
available on the drop down.

I've had some other crashes with Digikam and files from this body, and I'll
play around to see if this solves them.

Kubuntu: 14.04
Digikam: 4:4.0.0-0ubuntu1ppa0~trusty
liblensfun0: 0.2.8-1

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=330943

--- Comment #5 from Gilles Caulier <[hidden email]> ---
lens database loading is performed by Lensfun, not digiKam.

So this typo problem in XML must be relevant to lensfun data parser... Right ?

Gilles Caulier

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[Marc Cousin]

https://bugs.kde.org/show_bug.cgi?id=330943

--- Comment #6 from Marc Cousin <[hidden email]> ---
As said before, it works perfectly with gimp. Which also uses the lensfun data
parser, doesn't it ?

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[Gilles Caulier-4]

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--- Comment #7 from Gilles Caulier <[hidden email]> ---
Marc,

Problem still reproducible using last digiKam 4.10.0 ?

Gilles Caulier

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[Marc Cousin]

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--- Comment #8 from Marc Cousin <[hidden email]> ---
Yes, it works now. Sorry for the delay.

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=330943

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Version Fixed In|                            |4.12.0
         Resolution|---                         |FIXED
             Status|UNCONFIRMED                 |RESOLVED

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[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=330943

[hidden email] changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Product|digikamimageplugins         |digikam
          Component|Lens Distortion             |Tool-LensDistortion

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