On Mon, Apr 18, 2016 at 7:05 PM, Owen Mays <r.owen.m...@gmail.com> wrote:
> Is there a way (Using a Lua script in darktable perhaps?) to get access to
> the list of "currently selected images?"
Something like this, insert into some function callback:
local bounce_buffer = dt.gui.selection()
for _,v in pairs(bounce_buffer) do
str = v.film.path.."/"..v.filename
print (str)
end
^ that should print something like locations of the selected images.
> That way we aren't re-inventing the
> process of picking images in the database, instead the user could select the
> collection they want using darktable's existing graphical interface and then
> pass the list of images to an analysis script. That would allow collecting
> images easily by film roll, date range, subject tag, combinations of
> criteria, etc.
>
> Regards,
>
> Owen
Roman.
> On Sun, Apr 17, 2016 at 1:44 PM, Jan Kundrát <j...@kde.org> wrote:
>>
>> On Saturday, 16 April 2016 19:18:13 CEST, darkta...@911networks.com wrote:
>>>
>>> Is there a simple way of getting stats/summary of focal
>>> lens used in a collection/film roll?
>>
>>
>> Darktable caches these values in its SQL database, so you can access the
>> data from there. Do not blindly copy-paste stuff into sqlite's console,
>> though, it has a potential of nuking your DB.
>>
>> Here's a random sample of what can be done. A quick intro:
>>
>> $ sqlite3 ${XDG_CONFIG_DIR:-~/.config/}/darktable/library.db
>> sqlite> .mode columns
>> sqlite> .headers on
>>
>> Let's find the filmstrip that you want to operate on. The "image id" is
>> shown in the "image information" in lighttable:
>>
>> sqlite> select film_id from images where id = 13809;
>> film_id ----------
>> 84
>>
>> sqlite> select lens, count(*) as num from images where film_id = 84 group
>> by lens order by num desc;
>> lens num ----------------------- ----------
>> Canon EF 17-35mm f/2.8L 402 Canon EF 70-200mm f/4L 216
>> Canon EF 24-105mm f/4L 181 (0) 97 Canon
>> EF 50mm f/1.8 MkI 75
>> This means that my Sigma 35 1.4 ART (misidentified as that ultrawide Canon
>> zoom by exiv2, apparently) was my most favorite lens during that particular
>> event.
>>
>> Drawing nice histograms should be pretty easy with some Python glue.
>>
>> Cheers,
>> Jan
>>
>> --
>> Trojitá, a fast Qt IMAP e-mail client -- http://trojita.flaska.net/
>>
>>
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>
>
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