Hallöchen!

Pascal de Bruijn writes:

> On Mon, Mar 11, 2013 at 2:11 PM, Torsten Bronger
> <[email protected]> wrote:
>
>> [...]
>>
>> The problem is that the current LensFun database has been
>> compiled without much quality management.  This needs to be fixed
>> as well as possible.
>
> A lot of the current LensFun database was inherited from the last
> open release of the ptlens database...

I know, and this is a good illustration of the problem: When I
detected the wrong formula in LensFun two months ago, I contacted
the ptlens author for his formula.  He uses the correct one.  Then
it would have been interesting to know which entries come from
ptlens in order to estimate credability.

But LensFun's XML files lack comments about the origin of the data.
Neither (the first letters of) the committer's email, nor the method
he used for generating the data, nor a timestamp.

In Lightroom, you can even rate lens profiles.  This is unrealistic
for LensFun.  But if you detect that someone committed crap
profiles, at least it would be nice to be able to contact him and/or
to remove all of his profiles.

Tschö,
Torsten.

-- 
Torsten Bronger    Jabber ID: [email protected]
                                  or http://bronger-jmp.appspot.com


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