On Wed, Aug 7, 2019, at 04:57, Romano Giannetti wrote:

>       I was trying to use Jupyter to do a bit of statistics on my photos 
> (basically --- I'd like to find the distribution of focal lengths I 
> use), but I found a problem. I extracted the library.db to a csv file, 
> and I found that the crop of the photos I took with my Olympus E-M1 have 
> the "crop" column set to zero (it should be 2, I think). For my other 
> cameras it is ok.

I'm not sure where, if anywhere, this value is actually used by darktable other 
than for display. For the lens correction module, which needs this information, 
the crop factor is taken from the LensFun database, so you probably don't need 
to worry, FWIW.

-- 
jys
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