Re: [darktable-user] Limited ability to browse collections

[August Schwerdfeger]

Re: the date/time values in the database, they are in microseconds and the
epoch is midnight on January 1, A.D. 1 (presumably as reckoned using the
proleptic Gregorian calendar -- GDateTime
<https://docs.gtk.org/glib/struct.DateTime.html> is used to do the
calculations).

--
August Schwerdfeger
aug...@schwerdfeger.name

On Fri, Feb 24, 2023 at 10:36 AM Steven Fosdick 
wrote:

> I tried using darktable today and found I can only find some of my images
> by browsing in the collections control.  Browsing by tag had some tags
> missing.  Switching to browsing by capture date again had dates missing,
> though this time the ones that are there are a range and it is the older
> dates that are missing.
>
> Taking the capture date in more detail, my collection includes images from
> 2005 through to 2023 but when I pick collections and then expand capture
> date I get a choice of 2023 going back to 2014 but no older.
>
> As far as I can tell the images are still in the database.
>
> Also, does anyone know how the date/time values are stored in the
> database.  The database column is of type number but the number does not
> appear to be time since the Unix epoch in either ms or ns.
>
> This is using 4.2.1, though 4.2.0 also behaves the same.
>
> Steve.
>
> 
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Re: [darktable-user] Lightable: go to first/last image

[August Schwerdfeger]

On the Mac keyboard, Fn+Left arrow is equivalent to Home, and Fn+Right 
arrow to End.


--
August Schwerdfeger
aug...@schwerdfeger.name

On 2/28/22 09:16, Archie Macintosh wrote:

On Mon, 28 Feb 2022 at 14:32, Patrick Shanahan  wrote:

* Archie Macintosh  [02-28-22 09:26]:

I'm using dt 3.8.1 for Mac. I'm sure there used to be lightable
keyboard shortcuts for jump to first image and jump to last image, but
they don't appear to be listed, and I can't now remember what they
were, nor work out how to create them.

open dt to lighttable view and hold down the "h" key to get a listing of
the current keyboard shortcuts, or look at keyboardrc where the dt config
files are stored on the mac.  on my pc, "home" and "end" goes to first and
last.


Thanks Patrick. Sadly, the Mac wireless keyboard doesn't have 'home'
and 'end' keys. And there's no further help in keyboardrc. But your
reply prompted me to remember that I do have an old Mac USB keyboard,
with extra diagonal arrow keys that provide 'home' and 'end'. These
work in dt.

Many thanks!

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Re: [darktable-user] two copies of each image showing

[August Schwerdfeger]

You probably clicked "Duplicate" or pressed Ctrl+D with all the images 
in that folder selected.


--
August Schwerdfeger
aug...@schwerdfeger.name

On 2/18/22 23:07, Terry Pinfold wrote:


HI all,
      I have done something stupid with DT and I have a folder on my 
computer containing a single file for each image but in Lighttable and 
the filmstrip in darkroom I have two copies of each shown. Any 
suggestions on what I have done wrong in handling these files?

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Re: [darktable-user] Lua menu not showing

[August Schwerdfeger]

Fedora 35 (and a few earlier versions) -- but I have now taken to enabling
the internal Lua by default without even trying to use the system Lua, so
it might be working again for all I know.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Tue, Jan 25, 2022 at 11:11 AM William Ferguson 
wrote:

> August, David,
>
> What OS and version please?
>
> On Tue, Jan 25, 2022 at 11:57 AM August Schwerdfeger <
> aug...@schwerdfeger.name> wrote:
>
>> Darktable never seems to detect the version of Lua I have installed,
>> either. When compiling, I always set it to use the internal version, by
>> changing the 'build.sh' build script to append the switch
>> '-DDONT_USE_INTERNAL_LUA=Off' to the 'CMAKE_MORE_OPTIONS' variable.
>>
>> --
>> August schwerdfegeraug...@schwerdfeger.name
>>
>> On 1/25/22 10:38, Top Rock Photography wrote:
>>
>> I almost always compile darktable on my computer, and this time was no
>> exception. I do have all the Lua executables, and all the Lua*-dev headers
>> installed, yet, during compiling, I got the, “Lua not found” error. This is
>> the first time that I am getting that error message in many years, and many
>> versions.
>>
>> Since I do not typically use any add-ons or macros, I was not too worried
>> about it, but it is obviously a problem for those who do. Something is
>> causing the compiler to not detect Lua. My system is Ubuntu 2021.10.  I
>> have both GCC 10 & 11 installed, but I think cmake/configure defaulted to
>> version 10. I may be wrong about that. My Lua version is 5.4.3.
>>
>> It may be the OS, it may be the compiler, it may be compiler options. I
>> did not make any attempt to fix the issue beyond ensuring that I did have
>> all my Lua files installed. I suppose that I am of no help, save to let you
>> know that you are not alone. 😉😊
>>
>> Sincerely,
>>
>> Karim Hosein
>> Top Rock Photography
>> 754.999.1652
>>
>>
>>
>> On Mon, 24 Jan 2022 at 17:14, David Vincent-Jones 
>> wrote:
>>
>>> I think that I went through this problem a while ago but totally forgot
>>> how it was solved.
>>>
>>> After a recent update of the git version I find that the Lua menu system
>>> has 'vanished' although it is fully installed. Can somebody provide a hint
>>> on this .. please.
>>>
>>> David
>>>
>>> 
>>> darktable user mailing list to unsubscribe send a mail to
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>>>
>>
>> 
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>>
>> 
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>
> 
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Re: [darktable-user] Lua menu not showing

[August Schwerdfeger]

Darktable never seems to detect the version of Lua I have installed, 
either. When compiling, I always set it to use the internal version, by 
changing the 'build.sh' build script to append the switch 
'-DDONT_USE_INTERNAL_LUA=Off' to the 'CMAKE_MORE_OPTIONS' variable.


--
August Schwerdfeger
aug...@schwerdfeger.name

On 1/25/22 10:38, Top Rock Photography wrote:
I almost always compile darktable on my computer, and this time was no 
exception. I do have all the Lua executables, and all the Lua*-dev 
headers installed, yet, during compiling, I got the, “Lua not found” 
error. This is the first time that I am getting that error message in 
many years, and many versions.


Since I do not typically use any add-ons or macros, I was not too 
worried about it, but it is obviously a problem for those who do. 
Something is causing the compiler to not detect Lua. My system is 
Ubuntu 2021.10.  I have both GCC 10 & 11 installed, but I think 
cmake/configure defaulted to version 10. I may be wrong about that. My 
Lua version is 5.4.3.


It may be the OS, it may be the compiler, it may be compiler options. 
I did not make any attempt to fix the issue beyond ensuring that I did 
have all my Lua files installed. I suppose that I am of no help, save 
to let you know that you are not alone. 😉😊


Sincerely,

Karim Hosein
Top Rock Photography
754.999.1652



On Mon, 24 Jan 2022 at 17:14, David Vincent-Jones  
wrote:


I think that I went through this problem a while ago but totally
forgot how it was solved.

After a recent update of the git version I find that the Lua menu
system has 'vanished' although it is fully installed. Can somebody
provide a hint on this .. please.

David



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Re: [darktable-user] Top or bottom posting

[August Schwerdfeger]

The common practice these days is top-posting, which is the default
behavior in every mail client I have ever used (often, the only supported
behavior), and I have never seen a client that one can set to top- or
bottom-post on a per-recipient basis. Whenever I use a web-mail client that
automatically folds up quoted text in a message, it never folds up anything
if bottom-posting was used.

Also, most mail clients support viewing messages in thread order, and
reading bottom-posted messages as a continuous thread is even more of a
pain than reading a top-posted message using the 1971-vintage Unix mail
client.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Fri, Oct 15, 2021 at 8:21 PM Andrew Greig  wrote:

> Michael Raider is correct, and for clarity this was on the thread "problem
> installing darktable".
>
> Thunderbird does not have any way to set the default reply to the bottom
> of the thread, so there is some work involved to bottom post. I used to use
> Evolution as my mail client and I don't remember when I stopped using it.
> It did have a box to check for bottom posting. It is a pain to have the
> full conversation in each successive email.
>
> This is not a "hill to die on" for me, I merely took up Patrick's comments
> but it would work better if we all, as a list, declared the convention to
> be followed and stuck to it. Especially trimming the thread to the last two
> or three contributions.
> --
>
> 
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[darktable-user] Importing several directories at once in Darktable 3.6.

[August Schwerdfeger]

Is there a reason why the behavior of the "import folder" / "add to 
library" functionality was changed in Darktable 3.6 to permit importing 
from only /one/ directory or directory tree at a time? Now if I want to 
import several directories, I either have to import them one at a time, 
or select the root directory with "recursive directory" checked and then 
select the contents of the directories I want on a file-by-file basis.


--
August Schwerdfeger
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Re: [darktable-user] Change of email address

[August Schwerdfeger]

I would be very surprised if there were any means *other* than
unsubscribe-and-resubscribe to make this change, since subscription is by
e-mail address only, and not tied to any other account.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Thu, Sep 9, 2021 at 12:33 PM Patrick Shanahan  wrote:

> * Tony Arnold  [09-09-21 12:33]:
> > Hi Patrick,
> >
> > That's fine but none of these options show how to change my email
> > address. I get no response from the help address.
> >
> > Regards,
> > Tony.
> >
> > On Thu, 2021-09-09 at 11:29 -0400, Patrick Shanahan wrote:
> > > * Tony Arnold <
> > > tony.arn...@manchester.ac.uk
> > > > [09-09-21 11:27]:
> > > > Does anyone know how to change my email address on this list? Do I
> > > > have to unsubscribe and subscribe with the new address?
> > >
> > > in the email header:
> > >   List-Post:  > > darktable-user@lists.darktable.org
> > > >
> > >   List-Help:  > > darktable-user+h...@lists.darktable.org
> > > >
> > >   List-Subscribe:  > > darktable-user+subscr...@lists.darktable.org
> > > >
> > >   List-Unsubscribe:  > > darktable-user+unsubscr...@lists.darktable.org
> > > >
> > >   List-Owner:  > > darktable-user+ow...@lists.darktable.org
> > > >
> > >   List-Id: darktable user's mailing list <
> > > darktable-user@lists.darktable.org
> > > >
> > >
> > >
> > >
> > --
> > Tony Arnold MBCS, CITP | Senior IT Security Analyst | Directorate of IT
> Services | Office 1, Kilburn Building | The University of Manchester |
> Manchester M13 9PL | T: +44 161 275 6093 | M: +44 773 330 0039
>
>
> did you by chance try to contact "owner"?
>
> I would surmise that would be the list admin.
>
> --
> (paka)Patrick Shanahan   Plainfield, Indiana, USA  @ptilopteri
> http://en.opensuse.orgopenSUSE Community Memberfacebook/ptilopteri
> Photos: http://wahoo.no-ip.org/piwigo   paka @ IRCnet freenode
>
> 
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Re: [darktable-user] Storage solutions

[August Schwerdfeger]

There is a script in Darktable's Lua repository,  "Transfer Hierarchy,"
designed for the specific task of moving images between disks. It will
automatically transfer images from one directory tree to another while
preserving the existing directory hierarchy.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Sun, Jul 25, 2021 at 1:29 AM I. Ivanov  wrote:

>
> > Is there a way to remap the image to new path? If not, how do you
> > handle this kind of scenario? File is still available, but at a new
> > path. Main storage does get full and because it's a laptop, I can not
> > connect another disk easily.
> >
> After you move the images to another location - right click on the film
> row or folder, select search and locate your images - the program will
> do the rest.
>
> Also - if you work out of a shared disk (even an USB connected to a
> router) DT does good work with the caching. It does fetch the raw file
> but after that works out from the cache quite a bit (just an idea).
>
> Regards,
>
> B
>
>
> 
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Re: [darktable-user] changing directory

[August Schwerdfeger]

A third option (which does not involve any hand-hacking of the database) is
to open the folders collection, right-click on the root folder containing
all the misplaced images, and click "search filmroll...". This will bring
up a dialog box in which you should select the new location of that same
folder.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Sat, Mar 27, 2021 at 6:02 PM Jean-Luc CECCOLI <
jean-luc.cecc...@wanadoo.fr> wrote:

> > Message du 27/03/21 23:36
> > De : "Jean-Luc CECCOLI"
> > A : darktable-user@lists.darktable.org
> > Copie à :
> > Objet : re: [darktable-user] changing directory
> >
> > > Message du 27/03/21 17:49
> > > De : "Jan Minekus"
> > > A : darktable-user@lists.darktable.org
> > > Copie à :
> > > Objet : [darktable-user] changing directory
> > >
> > > Hello,
> > >
> > > The drive letter of my darktable folder has changed when I did a new
> > > install of my computer. All files have the same structure as before.
> > > How can I change this? I would like to keep all the changes I made and
> > > be able to go back to the original version of the files.
> > >
> > > In the darktablerc file I can change the entries containing the drive
> > > letter.
> > > Is there another way to do this?
> > > In the preferences is no entry containing the path.
> > >
> > > I'm using windows 10 home 64 bits and darktable 3.4.1.1
> > >
> > > --
> > > Kind regards,
> > > Jan Minekus
> > >
> > Hello,
> >
> > Better go to windows drive manager and modify the letter so it matches
> the previous one.
> >
> > Rgrds,
> >
> > J.-Luc
>
> Well, yes, of course, you can do that another way : directly within the db
> - this is why I did not suggest it before.
> 1- First of all, backup your library.db file
> 2- open original library.db with any sql editor.
> 3- go to the sql console window
> 4- type the two following lines :
> update film_rolls SET
> folder = replace( folder, 'new_unwnated_path_to_the_files',
> 'old_expected_path_to_the_files');
> Be aware to replace the values between single quotes by the actual ones !
> 5- execute the code
>
> But I still think acting directly on the drive letter is better and safer.
>
> Rgrds,
>
> J.-Luc
>
> 
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Re: [darktable-user] Geo Location Question

[August Schwerdfeger]

This is probably unrelated to David's issue, but I have noticed in the
last few Darktable versions (up to 3.2.1) that images as rendered on the
map are mislocated by a /consistent/ amount no matter what map source is
used -- ranging from a few hundred feet when the map is zoomed in as far
as it will go, to about 1,000 miles when fully zoomed out. Has anyone
else noticed this?

--
August Schwerdfeger
aug...@schwerdfeger.name

On 1/28/21 9:32 PM, Patrick Shanahan wrote:
> * David Vincent-Jones  [01-28-21 21:18]:
>> I am now using a camera/phone that provides lat/lon image data. Some of the
>> images are located with very fine accuracy on the dt mapping layer but some
>> are mis-located by a very large distance (a mile or so). Any idea what is
>> going on?
> maybe it is the "map source" you have chosen.  have you tried others?
>


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Re: [darktable-user] Best way to tag image from command line?

[August Schwerdfeger]

The Lua API does not, as far as I know, straightforwardly support random
access to a specific image by its ID or filename. Whenever I carry out any
mass-tagging operations of this sort, I have to use a SQLite script that
directly alters the 'tagged_images' table in the library database.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Thu, Jan 14, 2021 at 9:11 PM Niranjan Rao  wrote:

> Greetings,
>
> On Ubuntu 20.04, darktable 2.4.0
>
>
> Generic question is can I tag the image from command line? Obvious
> search engine searches have failed so far. I suspect lua script can do
> it, but have not managed to put two and two together. I saw some mention
> at https://www.darktable.org/lua-api/index.html#darktable_tags. If
> someone can kindly provide example, I can add loop around the file list
> very easily.
>
>
> Specifically, I was looking for best way to find images in portrait mode
> - or in general, any image that is not in landscape mode. I have the
> complete image paths - built from querying darktable database and using
> exiftool to crosscheck my results.
>
>
> I have almost 1000 entries that I would like to be tagged.
>
> Regards,
>
>
> Niranjan
>
>
>
> 
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Re: [darktable-user] Database Problem

[August Schwerdfeger]

With the new version of Darktable, I believe they expanded the options
available in the light table's "sort by" combo box, so an existing
setting may have been disrupted.

Also, I believe the light table collections are always sorted by every
criterion in that list -- the one selected by the user is just given the
priority, but within the equivalence classes created by that one, the
others are still used. For example, when I am sorting by "time" and have
two images with the same timestamp, and apply a color label to one,
their order is switched in the light table.

--
August Schwedfeger
aug...@schwerdfeger.name

On 10/15/20 12:02 PM, Jim Robinson wrote:
> I assume you mean in lighttable.  Do you mean that the 'sort by' that
> you have set is not being obeyed.  I have found things defaulting to
> sort by filename sometimes when I am sure I left it sort by time for
> example.
>
> Jim
>
> On Thu, 15 Oct 2020 at 17:19, David Vincent-Jones  > wrote:
>
> Current git ... Manjaro/XFCE ...
>
> I appear to have an ongoing problem with images being located out
> of position/time sequence in my system. To try and solve the
> situation I have fully re-installed all of my images in a fresh dt
> update after flushing all traces of  '.db' files. I then ran a
> fresh cache update.
>
> The problem still exists with images being totally misplaces at
> random.
>
> Ideas would be welcome
>
> David
>
>
> 
> 
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[darktable-user] Light table image rendering slowed down in Darktable 3.2.1.

[August Schwerdfeger]

I just upgraded from Darktable 3.0.2 to 3.2.1. In general it is a *vast*
improvement speed-wise. However, there is one critical point at which it
has become slower rather than faster. I regularly go through images rapidly
with the file manager slider set to 1 (showing one image at a time). In
previous versions of Darktable, when I pressed the down arrow to advance to
the next image, it appeared with very little delay.

Now when I press the key, the image area goes blank for between one and
three seconds before the next image appears. This is proving a very
annoying bottleneck in my image-sorting workflow. Is there some sort of
cache setting I can tweak to restore the former behavior?

--
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Re: [darktable-user] How to zero star rate an image?

[August Schwerdfeger]

Is it not possible anymore to press the "0" key to zero-rate an image?

--
August Schwerdfeger
aug...@schwerdfeger.name

On Wed, Aug 19, 2020 at 3:21 PM Bruce Williams  wrote:

> Try hitting the number one key twice.
> First press will rate the image a 1.
> Second press will clear that and mark it as unrated.
>
> Cheers,
> Bruce Williams.
>
> -- Forwarded message -
> From: Mark Heieis 
> Date: Thu, 20 Aug 2020, 05:23
> Subject: [darktable-user] How to zero star rate an image?
> To: darktable forum 
>
>
> Hi,
>
> I import images with zero rating and then apply ratings accordingly.
> Previous to 3.0.2, I could zero rate an image by toggling star-1
> (assuming only star 1 is toggled on) if the rating is no longer desired.
>
> I must be missing something, how do I zero rate an image from the UI, as
> I seem to be unable to remove ratings now.
>
> Thanks.
>
> --
> __
> Mark Heieis
> +1.604.250.4107
>
>
> 
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Re: [darktable-user] Problem report with configuration using darktable 3.2.1

[August Schwerdfeger]

You might try adding '-d sql' to the Darktable options in your script. That
dumps all the database log messages to the console, so you can check to see
if anything is off with the database when you re-rate an image.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Tue, Aug 11, 2020 at 1:26 PM DougC  wrote:

> Complete newbie to darktable here. I have waited for 3.2 to begin my
> darktable experience but have immediately run into problems.
>
> I have installed Darktable 3.2.1 on Windows 10 64-bit using the installer
> from darktable.org/install. Fast i7 processor, fast GPU, 64GB RAM, lots
> of storage space.
>
> When I first ran it using all defaults and imported some images all looked
> and worked fine.
>
> However, I want to keep my images on external, removable storage and I
> want to keep the darktable library there also so the library on the
> external volume holds all the edits for the images on that volume. This way
> I can move the external storage between 3 different computers and always
> have the latest edits available.
>
> To test this on my main computer I put images on the external volume
> N:\2020 in folders by month and day. I created an empty folder named
> N:\darktable which is where I want the library to go.
>
> I then created this command script:
>   @echo off
>   cd /d "%~dp0"
>   start "darktable for %~dp0" darktable --library
> %~dp0darktable\library.db
>
> When I run it darktable starts I see
>   N:\>startdt
>   N:\>cd /d "N:\"
>   N:\>start "darktable for N:\" darktable --library
> N:\darktable\library.db
>
> which looks exactly the way it should.
>
> The N:\darktable folder now contains
>
> N:\>dir n:\darktable
>  Volume in drive N is P-2020-3A
>  Volume Serial Number is D4E5-96D2
>
>  Directory of n:\darktable
>
> 08/11/2020  02:00 PM  .
> 08/11/2020  02:00 PM  ..
> 08/11/2020  02:00 PM 0 library.db
> 08/11/2020  02:00 PM 0 library.db-pre-3.2.1
> 08/11/2020  02:00 PM 6 library.db.lock
>3 File(s)  6 bytes
>2 Dir(s)  53,829,632,000 bytes free
>
> which is also exactly what I expected.
>
> At this point darktable is running and using the library on N:\darktable
> but using all other defaults (for data.db and darktablerc).
>
> I can import the same image files as before but now the problem:
>
> When in lighttable, clicking on any star, or X to reject an image, I see
> the message popup that says the operation is being done but there is no
> indication in the UI that it has. All stars remain hollow. The X remains
> plain (unchecked). These operations worked fine when I started darktable
> with all defaults. In fact, I can re-start darktable using all defaults and
> it will again function correctly.
>
> So the question is, what else do I need to do when starting darktable from
> my script to get it to behave when using the library on external media?
>
>
>
>
>
> 
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Re: [darktable-user] Loss of folder usage history after crashes

[August Schwerdfeger]

I believe he is talking about the collection history ("recently used
collections"), which is written on exit to 'darktablerc' rather than
continuously to the database. When Darktable crashes, the collection
history from the current run is always lost.

--
August Schwerdfeger
aug...@schwerdfeger.name

On 8/8/20 3:52 PM, Patrick Shanahan wrote:
> * Bill Martz  [08-08-20 16:08]:
>> Thanks, Patrick, but I am already writing the xmps. What I meant was dt
>> crashes. This was the first time in a long time, but I hadn't closed it for
>> days, and all the importing I had done was lost. Lost in the sense that I
>> had to import each folder again, and then close dt so the importing would
>> stay in the database. I don't understand that dt doesn't write to the
>> database upon import. After a crash, when I open dt it displays the
>> contents of the folder that was open the last time I closed dt. All other
>> importing history is lost.
>>
>> On Sat, Aug 8, 2020 at 3:38 PM Patrick Shanahan  wrote:
>>
>>> * Bill Martz  [08-08-20 14:17]:
>>>> Windows 10, dt 3.0.2 and V4 dev. version
>>>>
>>>> Crashes have been nonexistent more recently, and I have gotten out of the
>>>> habit of closing dt after importing folders/files. Earlier today dt V4
>>> dev
>>>> crashed, and the importing history covering several folders was lost. Is
>>>> there some way to get this information written into the database without
>>>> having to close dt?
>>> turn on "write sidecar file for each image"
>>> config -> storage -> xmp
>>>
>>> sidecar files will be written as photos are imported.  If you have a
>>> crash, ensuing imports will read the sidecar files which contain your
>>> image history/tags/...
>>>
>>> not running windows but cannot remember the last time I had a crash.
>>>
>>> --
>>> (paka)Patrick Shanahan   Plainfield, Indiana, USA  @ptilopteri
>>> http://en.opensuse.orgopenSUSE Community Memberfacebook/ptilopteri
>>> Photos: http://wahoo.no-ip.org/piwigo   paka @ IRCnet freenode
>>>
>>> 
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>>>
>>>
>> 
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>
>
> No my experience, but I usually close dt after I finish a session or
> finish working for the day, unless exporting.  I believe dt adds or stores
> events as they happen rather than on close or I don't understand your
> problem.
>
>

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Re: [darktable-user] Change to Linux

[August Schwerdfeger]

As I understand it, the reason that cameras still use FAT32 / exFAT is the
simplicity of the implementation, since cameras have limited onboard
processing power. But at least with the manufacturers all using FAT32,
there is no hodgepodge of volatile proprietary formats to deal with.

To the OP, if you need your SSD to be fully readable and writable on both
macOS and Linux, the only filesystem I have found that fits this bill is
exFAT, which has most of the same shortcomings as FAT32 but does support
large files. If you only need to use it on Linux, you should definitely use
ext4.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Fri, Aug 7, 2020 at 7:37 AM Anton Aylward  wrote:

> On 06/08/2020 03:36, Peter Schlaufer wrote:
> > When I now would change to Linux I would have to reformat the SSD drive
> to fat32
> > that it can be read and written in Linux.
>
> Linux can read and write a large number of file systems that are faster
> and more
> reliable than FAT32.  The only reason I can think of for using FAT32 on
> your SSD
> is to be comparable with Microsoft Windows or cameras, phones and tablets
> that use
> it on their removable media.
>
> I admit that, as a Linux user, I do use the FAT file system, but it is
> when I read
> the SD cards from my camera to upload them.
>
> Please note: REMOVABLE MEDIA
> Not, repeat not, the primary disk for the OS or the data disk.
>
> All in all I'm disappointed, there are more reliable and faster file
> systems that
> camera manufacturers cold use.   This is really about backward
> comparability,
> isn't it?
>
> --
> One of the tests of leadership is the ability to recognize a problem
> before it
> becomes an emergency.
>-- Arnold Glascow
>
> 
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Re: [darktable-user] Exporting question

[August Schwerdfeger]

When exporting using the "copy" file format, it copies the sidecar as
well as the original image. It looks like exporting to two file formats
at once is not supported, but it should be fairly easy to put together a
Lua script that invokes two exports in sequence, one to copy the image
and sidecar, and another to produce the TIFF version.

--
August Schwerdfeger
aug...@schwerdfeger.name

On 7/7/20 11:30 PM, David Vincent-Jones wrote:
>
> All right ... then let me phrase it more correctly: how can I copy my
> raw file + the xmp file and simultaneously export a tif file.
>
> Is that more clear?
>
> On 2020-07-07 7:44 p.m., Patrick Shanahan wrote:
>> * David Vincent-Jones  [07-07-20 20:32]:
>>> How can i export a RAW+XMP+TIF in a single action ?
>> you do not "export" raw files or xmp side-car files.
>>
>
> 
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Re: [darktable-user] Turning Darktable into a file manager

[August Schwerdfeger]

Although it would be nice to have access to all the metadata (if not from
the GUI, at least from Lua scripts without having to call out to the
command-line version of 'exiv2'), the main focus of the discussions I am
referring to was the IPTC metadata, which I understand adheres to a fixed
schema.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Sat, Jun 27, 2020 at 1:04 AM Remco Viëtor 
wrote:

> On vendredi 26 juin 2020 23:43:21 CEST August Schwerdfeger wrote:
> > As far as "user stories" go, I recall that users have written to this
> list
> > more than once about two specific missing features: some form of batch
> > renaming, and support for the full range of IPTC and other metadata,
> which
> > is a must-have for many professionals. Neither of these would preclude
> the
> > use of other digital asset management tools.
>
> The only thing that's really important in that case is that dt *preserves*
> all
> metadata from the original file and allows to write all those metadata to
> duplicates and derived files (on export). That would include any metadata
> dt
> doesn't understand or use. Afaik, that is not quite the case now
> (duplicates
> seem to lose some fields, that may be redundant, but were present in the
> original XMPs).
>
> Editing of said metadata could (should?) be done by a dedicated
> application.
> I think it is a bit too much to expect dt to handle all metadata editing:
> XMP
> is extensible through XML namespaces, which means that any user can add
> valid
> fields to the metadata, which dt would then have to know how to interpret.
>
> Remco
>
>
>
>
>
> 
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Re: [darktable-user] Turning Darktable into a file manager

[August Schwerdfeger]

As far as "user stories" go, I recall that users have written to this list
more than once about two specific missing features: some form of batch
renaming, and support for the full range of IPTC and other metadata, which
is a must-have for many professionals. Neither of these would preclude the
use of other digital asset management tools.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Fri, Jun 26, 2020 at 3:55 PM Willy Williams 
wrote:

> If I were to prioritize darktable for either image editing or digital
> asset management, I'd choose image editing and manually place files in
> locations where they make sense to me to be.  It the developers could do
> both, great, but keep the priority on image editing.  One thing that really
> irritates me about Lightroom is that Adobe pretty much dictates how one
> should manage their own files.  I'll choose my own structure and process
> for digital asset management and to hell with Adobe.
>
> Willy
>
> --
>
>  "You don't take a picture.  You ask quietly and humbly to borrow it."
>
>  - Unknown
>
> --
>
> On 6/26/20 4:43 PM, Robert Bridge wrote:
>
> It comes up as a frequent topic. The thing about the file management
> aspects is they are a small and relatively trivial subset of a far bigger
> question: Digital Asset Management.
>
> Currently darktable core has a basic DAM capability. Is it something that
> can be improved? Yes. Is it something that even some of the core devs might
> be interested in? I believe this is also yes.
>
> However... (there is always a however!) there isn't a clear vision of what
> the DAM needs: There isn't even an aspirational "user story", so nothing at
> all in the design document area. My understanding is that the big
> difficulty in significantly improving this aspect of darktable is actually
> producing a solid specification and design.
>
> All that said, I don't agree this is better handed off to non-darktable
> tools, because ultimately a photographers toolbox should deal with this
> critical part of the workflow.
>
> Regards,
> Robert.
>
> On Fri, 26 Jun 2020 at 21:24, August Schwerdfeger <
> aug...@schwerdfeger.name> wrote:
>
>> The optimal solution, then, would be to allow those who want file-manager
>> capabilities to get and/or implement them without having to distract the
>> core developers from the image-editing side.
>>
>> I think this would be best done through the Lua API. There are already
>> many file-manager-type operations fully supported through Lua, and a few
>> additions/improvements there would be more beneficial than any amount of
>> file-manager capabilities added in the Darktable core, since it would
>> enable people who are not so familiar with C or the innermost guts of
>> Darktable to make more contributions, leaving the core developers free to
>> tackle the image editing.
>>
>> --
>> August Schwerdfeger
>> aug...@schwerdfeger.name
>>
>> On Fri, Jun 26, 2020 at 2:29 PM Charlie Goodwin 
>> wrote:
>>
>>> Seeing many posts asking for adding more and more file management
>>> capabilities into Darktable, I'd like to suggest that we do not divert
>>> attention away from the greatest strength, image editing. I'd rather see
>>> the devs put more attention into what makes Darktable a must-have, what it
>>> can do so well with manipulating images.
>>>
>>>
>>>
>>> 
>>> darktable user mailing list to unsubscribe send a mail to
>>> darktable-user+unsubscr...@lists.darktable.org
>>>
>>
>> 
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>
> 
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>
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Re: [darktable-user] Turning Darktable into a file manager

[August Schwerdfeger]

The optimal solution, then, would be to allow those who want file-manager
capabilities to get and/or implement them without having to distract the
core developers from the image-editing side.

I think this would be best done through the Lua API. There are already many
file-manager-type operations fully supported through Lua, and a few
additions/improvements there would be more beneficial than any amount of
file-manager capabilities added in the Darktable core, since it would
enable people who are not so familiar with C or the innermost guts of
Darktable to make more contributions, leaving the core developers free to
tackle the image editing.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Fri, Jun 26, 2020 at 2:29 PM Charlie Goodwin 
wrote:

> Seeing many posts asking for adding more and more file management
> capabilities into Darktable, I'd like to suggest that we do not divert
> attention away from the greatest strength, image editing. I'd rather see
> the devs put more attention into what makes Darktable a must-have, what it
> can do so well with manipulating images.
>
>
>
> 
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Re: [darktable-user] Import: I'm failing at step 1; advice please

[August Schwerdfeger]

Any Lightroom comparisons aside, having batch renaming somehow
integrated in Darktable (whether part of the import process or not)
would be very useful, for me at least.

Question: How difficult would it be to provide access through the Lua
API to the naming patterns used for import-from-camera and export (e.g.,
a function that takes an image object and a pattern string and returns
the corresponding pathname)?

--
August Schwerdfeger
aug...@schwerdfeger.name

On 6/26/20 10:41 AM, darkta...@911networks.com wrote:
> On Fri, 26 Jun 2020 07:57:02 +0200
> Pascal Obry  wrote:
>
>> Le jeudi 25 juin 2020 à 17:46 -0400, Robert Krawitz a écrit :
>>
>> BTW, the OP is probably just a troll, he said to be moving from Lr
>> but Lr does exactly the same with the same naming IIRC (Import
>> folder).
> I'd like to make a correction about LR.
>
> Last I checked, during the import, it's possible to copy or move
> images
>

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Re: [darktable-user] Import: I'm failing at step 1; advice please

[August Schwerdfeger]

Agreed, "open folder" is an inaccurate description for the import operation.

However, there might be some greater distinction made between the
'gphoto2'-based device import, which does move images according to the
patterns in the session options, and the other two, which leave them in
place.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Thu, Jun 25, 2020 at 12:56 PM Pascal Obry  wrote:

> Le jeudi 25 juin 2020 à 13:48 -0400, Jason Polak a écrit :
> > Here "Import" really means just open the folder.
>
> No, it really means "import" as the pictures are indeed added as
> references into the database. The "import" as in say Python really
> means the same think, make it available, bring it "there" for being
> workable.
>
> I would certainly see "open the folder" as far more confusing.
>
> --
>   Pascal Obry /  Magny Les Hameaux (78)
>
>   The best way to travel is by means of imagination
>
>   http://www.obry.net
>
>   gpg --keyserver keys.gnupg.net --recv-key F949BD3B
>
>
> 
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[darktable-user] How to handle clobbering of in-file geotags?

[August Schwerdfeger]

When applying a geotag to an image from a GPX file, it automatically
clobbers any geotag that had been obtained from the file itself on import.
At this point, the only way I have found to get the in-file geotag back is
to remove the image from the database, delete the XMP sidecar, then
re-import.

Is there any nicer way of doing this (other than remembering to add a
collect-by-geotag rule to exclude already-geotagged images before applying)?

--
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Re: [darktable-user] About to give up on dt :(

[August Schwerdfeger]

Correction -- I got the directory name backwards; it is
'~/.cache/darktable'.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Tue, Mar 24, 2020 at 1:54 PM J. Verreault  wrote:

> I'll try that cache thing...who knows
>
> Thanks much
>
> On Tue, Mar 24, 2020 at 2:11 PM August Schwerdfeger <
> aug...@schwerdfeger.name> wrote:
>
>> I used to have a similar problem -- if I was viewing a large collection,
>> the thumbnail generation would peter out after a few dozen images -- but
>> this went away when the thumbnail caching apparatus was refactored for
>> Darktable 2.0.
>>
>> The partition the images are on should not be a problem, but you might
>> try deleting/moving aside your cache directory (on Linux,
>> '~/.darktable/cache').
>>
>> --
>> August Schwerdfeger
>> aug...@schwerdfeger.name
>>
>> On Tue, Mar 24, 2020 at 1:02 PM J. Verreault  wrote:
>>
>>> Never tried that but I did go into another program, clicked on tat same
>>> image and it came up...
>>> And now I went in to check your  example and for some reason everything
>>> is coming up.
>>> Has to be my machine I guess...maybe it doesn't like the pictures not
>>> being on the same partition as the program..?
>>>
>>> On Tue, Mar 24, 2020 at 1:15 PM August Schwerdfeger <
>>> aug...@schwerdfeger.name> wrote:
>>>
>>>> When you select one of the skull-iconed images and switch to darkroom
>>>> mode, do you see the actual image then?
>>>>
>>>> --
>>>> August Schwerdfeger
>>>> aug...@schwerdfeger.name
>>>>
>>>> On Tue, Mar 24, 2020 at 11:24 AM J. Verreault 
>>>> wrote:
>>>>
>>>>> I have read the documentation BEFORE putting a post on here.
>>>>> I have not moved or deleted any picture(s). The layout is still the
>>>>> same. The only thing I have not done is run that script
>>>>> "purge_non_existing_images.sh" but like I said I did not touch the images
>>>>> so not much is going to happen if I do.
>>>>>
>>>>> I'll try to figure it out on my own...thank you.
>>>>>
>>>>> On Tue, Mar 24, 2020 at 12:14 PM Pascal Obry  wrote:
>>>>>
>>>>>> Le mardi 24 mars 2020 à 12:07 -0400, J. Verreault a écrit :
>>>>>> > You want to know what my problem is do you hehe
>>>>>> >
>>>>>> > Actually I thought the screenshots would describe it better than me
>>>>>> trying to explain.
>>>>>>
>>>>>> The screenshot shows nothing wrong. Some thumbnails are not found you
>>>>>> probably have moved the picture to some other places using an external
>>>>>> program. Nothing wrong you can do that, but the result here is
>>>>>> expected. You'll have the same issue with Lr for example.
>>>>>>
>>>>>> Please be sure to first read the documentation.
>>>>>>
>>>>>> --
>>>>>>   Pascal Obry /  Magny Les Hameaux (78)
>>>>>>
>>>>>>   The best way to travel is by means of imagination
>>>>>>
>>>>>>   http://www.obry.net
>>>>>>
>>>>>>   gpg --keyserver keys.gnupg.net --recv-key F949BD3B
>>>>>>
>>>>>>
>>>>>
>>>>> --
>>>>> You don't know what you have until you need it.
>>>>>
>>>>> 
>>>>> darktable user mailing list to unsubscribe send a mail to
>>>>> darktable-user+unsubscr...@lists.darktable.org
>>>>>
>>>>
>>>> 
>>>> darktable user mailing list to unsubscribe send a mail to
>>>> darktable-user+unsubscr...@lists.darktable.org
>>>>
>>>
>>>
>>> --
>>> You don't know what you have until you need it.
>>>
>>
>> 
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>>
>
>
> --
> You don't know what you have until you need it.
>


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Re: [darktable-user] About to give up on dt :(

[August Schwerdfeger]

I used to have a similar problem -- if I was viewing a large collection,
the thumbnail generation would peter out after a few dozen images -- but
this went away when the thumbnail caching apparatus was refactored for
Darktable 2.0.

The partition the images are on should not be a problem, but you might try
deleting/moving aside your cache directory (on Linux, '~/.darktable/cache').

--
August Schwerdfeger
aug...@schwerdfeger.name

On Tue, Mar 24, 2020 at 1:02 PM J. Verreault  wrote:

> Never tried that but I did go into another program, clicked on tat same
> image and it came up...
> And now I went in to check your  example and for some reason everything is
> coming up.
> Has to be my machine I guess...maybe it doesn't like the pictures not
> being on the same partition as the program..?
>
> On Tue, Mar 24, 2020 at 1:15 PM August Schwerdfeger <
> aug...@schwerdfeger.name> wrote:
>
>> When you select one of the skull-iconed images and switch to darkroom
>> mode, do you see the actual image then?
>>
>> --
>> August Schwerdfeger
>> aug...@schwerdfeger.name
>>
>> On Tue, Mar 24, 2020 at 11:24 AM J. Verreault  wrote:
>>
>>> I have read the documentation BEFORE putting a post on here.
>>> I have not moved or deleted any picture(s). The layout is still the
>>> same. The only thing I have not done is run that script
>>> "purge_non_existing_images.sh" but like I said I did not touch the images
>>> so not much is going to happen if I do.
>>>
>>> I'll try to figure it out on my own...thank you.
>>>
>>> On Tue, Mar 24, 2020 at 12:14 PM Pascal Obry  wrote:
>>>
>>>> Le mardi 24 mars 2020 à 12:07 -0400, J. Verreault a écrit :
>>>> > You want to know what my problem is do you hehe
>>>> >
>>>> > Actually I thought the screenshots would describe it better than me
>>>> trying to explain.
>>>>
>>>> The screenshot shows nothing wrong. Some thumbnails are not found you
>>>> probably have moved the picture to some other places using an external
>>>> program. Nothing wrong you can do that, but the result here is
>>>> expected. You'll have the same issue with Lr for example.
>>>>
>>>> Please be sure to first read the documentation.
>>>>
>>>> --
>>>>   Pascal Obry /  Magny Les Hameaux (78)
>>>>
>>>>   The best way to travel is by means of imagination
>>>>
>>>>   http://www.obry.net
>>>>
>>>>   gpg --keyserver keys.gnupg.net --recv-key F949BD3B
>>>>
>>>>
>>>
>>> --
>>> You don't know what you have until you need it.
>>>
>>> 
>>> darktable user mailing list to unsubscribe send a mail to
>>> darktable-user+unsubscr...@lists.darktable.org
>>>
>>
>> 
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>>
>
>
> --
> You don't know what you have until you need it.
>


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Re: [darktable-user] About to give up on dt :(

[August Schwerdfeger]

When you select one of the skull-iconed images and switch to darkroom mode,
do you see the actual image then?

--
August Schwerdfeger
aug...@schwerdfeger.name

On Tue, Mar 24, 2020 at 11:24 AM J. Verreault  wrote:

> I have read the documentation BEFORE putting a post on here.
> I have not moved or deleted any picture(s). The layout is still the same.
> The only thing I have not done is run that script
> "purge_non_existing_images.sh" but like I said I did not touch the images
> so not much is going to happen if I do.
>
> I'll try to figure it out on my own...thank you.
>
> On Tue, Mar 24, 2020 at 12:14 PM Pascal Obry  wrote:
>
>> Le mardi 24 mars 2020 à 12:07 -0400, J. Verreault a écrit :
>> > You want to know what my problem is do you hehe
>> >
>> > Actually I thought the screenshots would describe it better than me
>> trying to explain.
>>
>> The screenshot shows nothing wrong. Some thumbnails are not found you
>> probably have moved the picture to some other places using an external
>> program. Nothing wrong you can do that, but the result here is
>> expected. You'll have the same issue with Lr for example.
>>
>> Please be sure to first read the documentation.
>>
>> --
>>   Pascal Obry /  Magny Les Hameaux (78)
>>
>>   The best way to travel is by means of imagination
>>
>>   http://www.obry.net
>>
>>   gpg --keyserver keys.gnupg.net --recv-key F949BD3B
>>
>>
>
> --
> You don't know what you have until you need it.
>
> 
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Re: [darktable-user] cryptic icons

[August Schwerdfeger]

The archiving part of your workflow sounds like it might be a job for a
Lua script I wrote to move hierarchies of photos rapidly out of a
staging directory without having to remove/re-import. I just cleaned it
up and filed a pull request to have it included in the Lua script
repository: https://github.com/darktable-org/lua-scripts/pull/234

--
August Schwerdfeger
aug...@schwerdfeger.name

On 3/13/20 3:00 AM, Dr. A. Krebs wrote:
> Hi all
>
> I did not intend to start a huge and endless discussion with my
> "cryptic icons" question. Sorry about that!
>
>
> As a matter of fact, I should describe my workflow:
>
> 1.) From different DSLRs, I empty media (SD, XQD, CS) with OS- this is
> the most basics, fast and reliable way to bring pics to my hardware.
>
> 2.) Actively, I am working on my PC on local directories /home and
> /data. Here I select, optimize and elaborate pictures.
>
> 3.) From there, I regularly move the oldest folders to NAS which
> serves a archive. So, my procedure is systematic against the
> capabilities, darktable provides.
>
> Of course, I could "import" directories at the _end_ of my workflow,
> meaning on the NAS location. And neglect the location I'm actively
> working on pictures.
>
> -- 
>
> It sounds interesting to think about fswatcher, or similar approaches.
> In my workflow, I doubt it would help too much, maybe I need to change
> my own workflow to use a non-destructive darktable?
>
> In a widened view, I could imagine to incorporate fswatcher
> capabilities into darktable and, therefore, to build a flexible and
> potentially automated capability dealing with files (I do miss already).
>
> -- 
>
> Til now, I do not have darktable databases containing too much manual
> work- so I can easily force darktable to rebuild new databases once
> per month ( .. ) .
>
> -- 
>
> Some questions I ask myself:
>
> - Does darktable code "learn" from the discussions on the mailing
> list? Is there a systematic bug reporting system?
>
> - Will software issues taken into account?
>
> - Will the manual be re-adjusted?
>
>
> As a suggestion of mine: darktable could/should use more
> recommendations in such sensitive questions regarding workflow, e.g.
> maybe "Best Practices" chapter in manual would fit my idea. This could
> help all users from beginner to professional levels.
>
> In ideal, a series of "Best Practices" should cover the complete
> workflow from "import", over "working on pics" til exporting".
>
> Darktable is so strong and professional piece of software, absolute
> fascinating!!
>
> How could I contribute!?
>
> Thank you so much!
>
>
> Axel
> -- 
> Am 12.03.20 um 20:21 schrieb Sherwood Botsford:
>> This to me is a serious flaw, but one that AFAIK all programs that
>> attempt to be a DAM suffer from.
>>
>> How can you make a system that is robust against changes made by
>> external programs?
>>
>> In the Bad Old Days this would be impossible.  Now it's merely
>> difficult.
>>
>> The open source program fswatcher is available for Linux, *BSD, OS-X
>> and Windows -- admittedly with somewhat different capabilities.
>>
>> fswatcher is invoked with a top level of a directory tree to
>> monitor.  It can monitor when a file is created, modified, moved,
>> renamed deleted, and what process did the deed.
>>
>> So: run this tool as a helper application and have it watch whatever
>> set of directories you've given DT to take care of.
>>
>> Have DT also have a helper app that handles the created events.
>>
>> Event:  User uses Finder or Explore to rename an image file and
>> leaves it in same directory.
>> FSWatcher: Detects the event, and queues it for action.
>> Helper:  Checks that metadata files are renamed to match the image
>> file, as well as thumbnails.  Updates database with new name.
>> FSWatcher sees Helper's actions, but it knows about Helper so doesn't
>> log anything.
>>
>> Event:  User uses finder and moves file to new directory, also under
>> DT purview.
>> FSWatcher sees the two changed directory entries.
>> Helper:  Updates the path information for the primary file.  Moves
>> the auxilary files accordingly.
>>
>> Event: User askes DT to open file in Photoshop or GIMP.
>> FSWatcher sees file creation.
>> Helper moves this event to it's own watch list, and waits for the
>> file to be closed.
>> FSWatcher sees file close.
>> Helper checks that name is the same (except for suffix) as original
>> image.  Helper extracts preview im

Re: [darktable-user] Importing, How do you do it?

[August Schwerdfeger]

When you have the SD card mounted, and click the "scan for devices" button
in Darktable's import module, does a new "import from camera" button appear
in the module?

--
August Schwerdfeger
aug...@schwerdfeger.name

On Thu, Mar 12, 2020, 20:50 Rod Cerkoney  wrote:

> Could please detail how you import an image, from an SD Card, that results
> in DT making a copy of the image file in you DAS/NAS device.
>
> I have not been successful.  When I try, the SD Card gets mounted to the
> file system, thus DT only creates a reference to where the file is located
> (SD Card). If the card is removed DT can't find/edit the image.
>
> --
> Rod
>
>
> ‐‐‐ Original Message ‐‐‐
> On Thursday, March 12, 2020 1:49 PM, Top Rock Photography <
> ka...@toprockphotography.com> wrote:
>
> ...
> † I have “camera” in quotes, because it can be any device recognised as a
> “camera device” including an SD Card.
>
>
> 
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Re: [darktable-user] Importing, How do you do it?

[August Schwerdfeger]

Except when importing using 'gphoto2' (from whatever that library will
recognize as a "camera"), in which case the file is copied to a location on
disk per the "Session Options" patterns.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Thu, Mar 12, 2020 at 10:13 AM Patrick Shanahan  wrote:

> * Willy Williams  [03-12-20 11:02]:
> > Not entirely true, according to "The Fine Manual".  Look on p. 11.
> >
> >1.3.1. Importing images
> >To begin with darktable, you first need to import images. The import
> >module is in the
> >left panel of the lighttable view (Section 2.3.1, “Import”). *You
> >can either import from the**
> >**filesystem or, if darktable supports your camera model, directly
> >from camera. *
> >
> > 
> >
> > On 3/12/2020 at 10:48, Patrick Shanahan wrote:
> > > * Subhash Fotografie  [03-12-20 10:41]:
> > > > No, on Apple until DT 3.0.0 it was not possible to import from
> cameras or SD card. Version 3.0.1 I have not tried yet.
> > > >
> > > >
> > > > [August Schwerdfeger schrieb am 11.3.2020 um 19:48 Uhr:]
> > > >
> > > > > Darktable does support imports directly from cameras and SD cards
> > > > > (through the 'gphoto2' library). The Darktable preferences under
> the
> > > > > "Session Options" tab let you set the patterns controlling where
> > > > > imported images are copied to. Section 2.3.1 of the manual [1]
> goes into
> > > > > detail about this.
> > > > > --
> > > > > August Schwerdfeger
> > > >
> > > > > On Wed, Mar 11, 2020 at 7:38 PM Rod Cerkoney wrote:
> > > > > Newbie alert, just started using this program.
> > > > > So I finally figured out that dt does not copy files from an  SD
> Card
> > > > > (or camera) into a disk location. (I find this odd coming from a
> > > > > Lightroom environment). I must use a file manager to copy files to
> a
> > > > > permanent disk location, then "import" into dt. I find that
> awkward and
> > > > > I'm looking for a better solution, one that is more elegant.
> > > > > --
> > > > > Rod
> > > misconception present.  "importing" in dt only involves adding an
> existing
> > > file to the database, library.db.  It does not involve moving a file
> from
> > > its present location to another location, ie: sd card to local disk.
> > >
> > > copy or move your images from camers/sd card/... to a physical drive
> and
> > > then import to dt.
>
> and that is true, BUT, "import" refers to adding to the library.db, not
> moving the file from one location to another.
>
> "import" in dt is making dt recognize the image and nothing to do with the
> filesystem except recording the physical location of the image.
>
> --
> (paka)Patrick Shanahan   Plainfield, Indiana, USA  @ptilopteri
> http://en.opensuse.orgopenSUSE Community Memberfacebook/ptilopteri
> Photos: http://wahoo.no-ip.org/piwigo   paka @ IRCnet freenode
>
> 
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>
>


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Re: [darktable-user] Importing, How do you do it?

[August Schwerdfeger]

Darktable does support imports directly from cameras and SD cards (through
the 'gphoto2' library). The Darktable preferences under the "Session
Options" tab let you set the patterns controlling where imported images are
copied to. Section 2.3.1 of the manual [1]
<https://darktable.gitlab.io/doc/en/lighttable_panels.html#import> goes
into detail about this.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Wed, Mar 11, 2020 at 7:38 PM Rod Cerkoney  wrote:

> Newbie alert, just started using this program.
>
> So I finally figured out that dt does not copy files from an  SD Card (or
> camera) into a disk location. (I find this odd coming from a Lightroom
> environment). I must use a file manager to copy files to a permanent disk
> location, then "import" into dt. I find that awkward and I'm looking for a
> better solution, one that is more elegant.
>
> --
> Rod
>
>
> 
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Re: [darktable-user] cryptic icons

[August Schwerdfeger]

The skull icon means that Darktable is unable to read the associated image
file, usually because it does not exist.

To avoid seeing these icons, avoid moving or deleting image files outside
of Darktable after they are imported.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Wed, Mar 11, 2020 at 3:11 PM Dr. A. Krebs  wrote:

> Hi,
>
> I use darktable 3.0.1. 64 bit under Linux.
>
> Instead of picture-previews, I can see only cryptic icons (attachment).
> What do these icons mean?
> How can I avoid these?
>
> Is it necessary to "maintain" the darktable database?
> Or: Is this done automatically?
>
> Thank you
>
>
>
> Axel
>
>
> 
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Re: [darktable-user] lua creating (ephemeral?) collection

[August Schwerdfeger]

Last I checked (Darktable 2.6), the Lua API provided an interface to change
the on-screen collection arbitrarily, but not to use the collection queries
independently of what was shown on screen.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Wed, Jan 29, 2020 at 2:28 PM Niranjan Rao  wrote:

> You probably tried this and were not happy, but just want to confirm.
> Have you checked collect images in lighttable view? It does allow you to
> search on various aspects and essentially does the same SQL others are
> talking about - but from the safety of darktable. Once you have
> selection, you can operate normally as you would otherwise do it. For
> example you can easily specify tag="this" and ISO=that from the GUI.
>
> I have not used 3.0, but I doubt if they have taken this kind of
> functionality away.
>
> Without knowing LUA scripts, most likely this kind functionality is
> exposed somewhere in the scripts.
>
> Regards,
>
> Niranjan
> On 1/21/20 6:11 PM, Greg Minshall wrote:
> > but, it appears that, at least absent a GUI (and this would be a command
> > line script), there isn't a way of creating a new (ephemeral or
> > permanent) collection, applying filters to it, etc.
>
>
>
> 
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Re: [darktable-user] exiftool cannot be found

[August Schwerdfeger]

If this is a Lua script trying to invoke 'exiftool', the Lua API uses the
'system()' function as its method of running external programs. I believe
'system()' is required by the POSIX standard to pass its argument to 'sh'
rather than any shell the user might define.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Tue, Jan 28, 2020 at 10:25 AM Anton Aylward 
wrote:

> On 2020-01-28 5:17 a.m., Subhash Fotografie wrote:
> > [Matt Maguire  schrieb am 28.1.2020 um 8:27
> Uhr:]
> >
> >> So, easiest way around this is to define the location of exiftool in
> your
> >> preferences file …
> >
> > OK, very fine, this did it for the error message to disappear! Thank you
> again!
> >
> > But… now I get another one importing an new image which is so long and
> quickly disappearing that I cannot read it. And I do not know where to find
> it in a log.
> >
> > Looking at the console I find many many error reports for darktable.
> Among others:
> >
> > 28.1.2020 10:55:30,840 [0x0-0x4f04f].org.darktable: sh: exiftool:
> command not found
> >
> > I don't know what that means. (I can work with exiftool in the terminal
> using the tcsh shell.)
>
> I *think" what that means is when DT invokes an system service such as
> exiftool
> it is using a shell that calls itself "sh" such as the BASH shell.  I'd be
> curious what the value of SHELL is in the environment when DT is invoked
> and
> whether DT uses that or if the shell to use or it's absolute address
> (ignoring
> PATH) is hard coded.
>
> I'm also curious as to how your tcsh finds exiftool.  Is it aliased or is
> on via
> PATH?  If the latter, this raises questions about how DT's shell, whatever
> it
> its mechanism, isn't finding it.  Perhaps the ~/.tcshrc  sets it in a way
> that
> the ~/.bashrc that 'sh' uses doesn't.
>
>
> --
> The illegal we do immediately. The unconstitutional takes a little longer.
> -- Henry Kissinger, New York Times, Oct. 28, 1973
>
> 
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Re: [darktable-user] lua creating (ephemeral?) collection

[August Schwerdfeger]

I am not a Darktable developer either, but I have some small experience
with accessing the database raw (I sometimes run analyses over my Darktable
library using R). For starters:

* While running Darktable, you can access the database for reading, but not
writing.
* The SQLite3 command '.schema' will print a full description of all the
tables in the open database.
* Tags are stored in the (library) database in the table 'used_tags', with
a name and ID. The tag/image relation is established by pairs of IDs in the
table 'tagged_images'.
* In the Darktable source file 'collect.c' [1]
<https://github.com/darktable-org/darktable/blob/master/src/libs/collect.c>
you can examine most of the database queries that the collect module uses.

Re: scripts breaking, I have only had mine break a few times; as I recall,
the last time the tag arrangement was significantly changed was in version
2.2, to move unused tags from 'library.db' to 'data.db'.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Wed, Jan 22, 2020 at 11:37 AM  wrote:

> Greg Minshall (2020-Jan-21, excerpt):
> > now: i'd like to have a command line lua script that quickly (i have 32K
> > images) lists all the images with a given, e.g., tag, or date, or ...
> > i.e., the things one can specify when creating a collection.
>
> Note: I'm *not* a developer!
>
> AFAIK, Darktable heavily relies on an an SQLite database
>
> $ cd ~/.config/darktable
> $ file library.db
> library.db: SQLite 3.x database, last written using SQLite version
> 3030001
>
> Which you may query (and mess up) using appropriate tools, e.g.,
> `sqlite3`, see its man page.  You will need to use SQL for that, and
> understand Darktable's internal database schema.  It's easy to get the
> images with ISO > 1600
>
> $ sqlite3 library.db
> sqlite> select filename from images where iso > 1600;
>
> but tags probably involve a join and a deeper understanding of the
> schema.  Which may, and probably will, change between Database
> versions.  So be prepared for your script to break.
>
> Note that you probably cannot run Darktable and `sqlite3` at the same
> time.
>
> Cheers,
> Stefan
>
>
> PS: Post here when you find out how tags are stored in the DB...
>
>
> --
> Dr. Stefan Klinger -- Informatiker, Mathematiker  o/X
> https://stefan-klinger.de /\/
> I prefer receiving plain text messages, not exceeding 32kB. \
>
> 
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Re: [darktable-user] Install on Ubuntu 19.10

[August Schwerdfeger]

When you tried to install the Darktable 3.0 .deb package from the OBS site,
how exactly did it fail?

--
August Schwerdfeger
aug...@schwerdfeger.name

On Thu, Jan 16, 2020 at 8:29 AM Gonçalo Marrafa 
wrote:

> I just want a way to install on 19.10 without building from source. I'm
> not asking for support. I'm just following the instructions on DT's website
> and there are links to binary packages for Ubuntu 19.10. Except those links
> don't really have 19.10 compatible packages. That's all I'm saying...
>
> Gonçalo Marrafa
>
>
> On Thu, 16 Jan 2020 at 14:09, Patrick Shanahan  wrote:
>
>> * Gonçalo Marrafa  [01-16-20 08:59]:
>> > The web page refers to the distro packages AND "third party" packages (
>> > https://www.darktable.org/install/#3rdparty). I was just saying that,
>> since
>> > the install page explicitly mentions 19.10 support there should be
>> packages
>> > available. If not, then don't mention it and, instead, say that you
>> should
>> > build from source.
>> >
>> > Gonçalo Marrafa
>> >
>> >
>> > On Thu, 16 Jan 2020 at 13:22, Patrick Shanahan 
>> wrote:
>> >
>> > > * Gonçalo Marrafa  [01-16-20 04:53]:
>> > > > Patrick,
>> > > >
>> > > > In the web pages there is a reference to third party packages, wich
>> > > > includes support for 19.10. If no support exists for 19.10 and you
>> have
>> > > to
>> > > > build packages directly from source then, maybe, that should be
>> mentioned
>> > > > in the pages and not stated that support exists for 19.10.
>> > > >
>> > > >
>> > > > Gonçalo Marrafa
>> > > >
>> > > >
>> > > > On Wed, 15 Jan 2020 at 22:46, Patrick Shanahan 
>> > > wrote:
>> > > >
>> > > > > * Gonçalo Marrafa  [01-15-20 16:36]:
>> > > > > > Ok but that would mean I have to build from source and what I
>> would
>> > > like
>> > > > > > are prebuilt packages.
>> > > > > >
>> > > > > >
>> > > > > > Gonçalo Marrafa
>> > > > > >
>> > > > > > On Wed, Jan 15, 2020, 20:13 KOVÁCS István <
>> k...@kovacs-telekes.org>
>> > > > > wrote:
>> > > > > >
>> > > > > > > On Wed, 15 Jan 2020 at 18:35, Gonçalo Marrafa <
>> > > > > goncalo.marr...@gmail.com>
>> > > > > > > wrote:
>> > > > > > > > I'm not interested in installing the master git snapshot
>> version
>> > > and
>> > > > > > > just want the stable release version.
>> > > > > > >
>> > > > > > > Note: you can get tagged versions from Github, not just code
>> from
>> > > the
>> > > > > > > tip of the master branch.
>> > > > > > >
>> > > > > > >
>> > > > >
>> > >
>> 
>> > > > > > > darktable user mailing list
>> > > > > > > to unsubscribe send a mail to
>> > > > > > > darktable-user+unsubscr...@lists.darktable.org
>> > > > > > >
>> > > > > > >
>> > > > > >
>> > > > > >
>> > > > >
>> > >
>> 
>> > > > > > darktable user mailing list
>> > > > > > to unsubscribe send a mail to
>> > > > > darktable-user+unsubscr...@lists.darktable.org
>> > > > > >
>> > > > >
>> > > > >
>> > > > > https://www.darktable.org/install/
>> > > > >   Ubuntu 16.04, 18.04, 18.10, 19.04
>> > > > >
>> > > > > does noone actually read the web pages ...
>> > > > >
>> > > > > --
>> > > > > (paka)Patrick Shanahan   Plainfield, Indiana, USA
>> > > @ptilopteri
>> > > > > http://en.opensuse.orgopenSUSE Community Member
>> > > facebook/ptilopteri
>> > > > > Photos: http://wahoo.no-ip.org/piwigo   paka @ IRCnet
>> > > freenode
>&g

Re: [darktable-user] Workflow question

[August Schwerdfeger]

* Cropping and sharpening are performed in Darktable as non-destructive
edits.

* Resizing/scaling is done as part of the export process rather than as a
darkroom edit, although as far as I know there is not a ready-made export
target ("storage") that allows exporting the same image in several
resolutions/formats at once.

* The automatic "master"-to-duplicate propagation of tags is also not
feasible out-of-the-box, as tags added to one version of an image cannot be
automatically propagated to the other versions. You could, of course,
select all the versions of a specific image when applying the tag, or if
this is not possible there are also some Lua add-ons [1]
<https://github.com/darktable-org/lua-scripts> that would help copy the new
tag.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Wed, Jan 8, 2020 at 3:46 PM Patrick Shanahan  wrote:

> * Sherwood Botsford  [01-08-20 16:04]:
> > I've run into this a couple of times related to the catalog process:
> >
> > Consider:
> >
> > 1  I import a roll of images.
> > 2  I assign keywords to the images.
> > 3  I tweak them, some in various ways.
> > 4  I crop, resize and sharpen some of them.
> > 5 I export them in various resolutions and various file formats.
> >
> > Starting at step 4 I'm performing destructive edits.
>
> so at step 4 you have left dt and are editing in some other software?
> dt does not due destructive edits.
>
> > Is there a recommended workflow that would enable:
>
> use dt rather than some other software.
>
> --
> (paka)Patrick Shanahan   Plainfield, Indiana, USA  @ptilopteri
> http://en.opensuse.orgopenSUSE Community Memberfacebook/ptilopteri
> Photos: http://wahoo.no-ip.org/piwigo   paka @ IRCnet freenode
>
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Fwd: [darktable-user] Is there a way to bulk import many folders at once?

[August Schwerdfeger]

-- Forwarded message -
From: William Ferguson 
Date: Sun, Dec 15, 2019 at 8:06 PM
Subject: Re: [darktable-user] Is there a way to bulk import many folders at
once?
To: August Schwerdfeger 


lua searches for scripts in the ~/.config/darktable/lua directory, so you
should make a lua directory and put import.lua in it.

Bill

On Sun, Dec 15, 2019 at 7:16 PM August Schwerdfeger <
aug...@schwerdfeger.name> wrote:

> The require line should just read 'require "Import"', not 'require
> "~/.config/darktable/Import.lua"'.
> --
> August Schwerdfeger
> aug...@schwerdfeger.name
>
>
> On 12/15/19 2:32 PM, Jean-Luc CECCOLI wrote:
>
> OK... this is what I got :
>
>
>
> *jean-luc@E-5530:~$ darktable -d lua*
> *3,965593 LUA ERROR : /home/jean-luc/.config/darktable/luarc:1: module
> '~/.config/darktable/Import.lua' not found:*
> *no field package.preload['~/.config/darktable/Import.lua']*
> *no file '/usr/local/share/lua/5.3/~//config/darktable/Import/lua.lua'*
> *no file
> '/usr/local/share/lua/5.3/~//config/darktable/Import/lua/init.lua'*
> *no file '/usr/local/lib/lua/5.3/~//config/darktable/Import/lua.lua'*
> *no file
> '/usr/local/lib/lua/5.3/~//config/darktable/Import/lua/init.lua'*
> *no file '/usr/share/lua/5.3/~//config/darktable/Import/lua.lua'*
> *no file '/usr/share/lua/5.3/~//config/darktable/Import/lua/init.lua'*
> *no file './~//config/darktable/Import/lua.lua'*
> *no file './~//config/darktable/Import/lua/init.lua'*
> *no file '/usr/share/darktable/lua/~//config/darktable/Import/lua.lua'*
> *no file
> '/home/jean-luc/.config/darktable/lua/~//config/darktable/Import/lua.lua'*
> *no file '/usr/local/lib/lua/5.3/~//config/darktable/Import/lua.so'*
> *no file
> '/usr/lib/x86_64-linux-gnu/lua/5.3/~//config/darktable/Import/lua.so'*
> *no file '/usr/lib/lua/5.3/~//config/darktable/Import/lua.so'*
> *no file '/usr/local/lib/lua/5.3/loadall.so'*
> *no file './~//config/darktable/Import/lua.so'*
> *no file '/usr/local/lib/lua/5.3/~/.so'*
> *no file '/usr/lib/x86_64-linux-gnu/lua/5.3/~/.so'*
> *    no file '/usr/lib/lua/5.3/~/.so'*
> *no file '/usr/local/lib/lua/5.3/loadall.so'*
> *no file './~/.so'*
> *jean-luc@E-5530:~$*
>
>
>
> Would it be that I have to compile lua ? I thought it was part of the
> padckage - I'm currently using dt 2.6.2 from Pascal's ppa.
>
>
>
> Rgrds,
>
>
>
> J.-Luc
>
>
>
> > Message du 15/12/19 00:19
> > De : "August Schwerdfeger" 
> 
> > A : "Jean-Luc CECCOLI" 
> 
> > Copie à : "Darktable Users List" 
> 
> > Objet : Re: [darktable-user] Is there a way to bulk import many folders
> at once?
> >
> >
> I think the Lua script needs to have a '.lua' extension, and the line to
> bring it in should just read 'require "" ' (with no extension).
>
> >
> You can run Darktable with the '-d lua' switch to display Lua errors in
> the terminal.
> >
> >
> --
> > August Schwerdfeger
> > aug...@schwerdfeger.name
>
> >
> On Sat, Dec 14, 2019, 16:48 Jean-Luc CECCOLI 
> wrote:
> >
>
>> > Hello,
>>
>> >
>>
>> > I wanted to give it a try as my first step in learnig lua scripting.
>>
>> > Moved my db to another place.
>>
>> > Created a file named Import.in into ~/.config/darktable and containing
>> the following lines :
>>
>> >
>>
>> > * local darktable = require("darktable")*
>>
>> > * importDirs = function()*
>>
>> > *   darktable.database.import("/media/jean-luc/NEF/20081207")*
>>
>> > * end*
>>
>> > * importDirs()*
>>
>> >
>>
>> > Created a file named luarc into ~/.config/darktable and containing the
>> following line :
>>
>> >
>>
>> > * require "~/.config/darktable/Import.in"*
>>
>> >
>>
>> > Launched darktable, and... nothing. :-(
>> >
>>
>> >
>>
>> > What did I do wrong ?
>> >
>>
>> >
>>
>> > Regards,
>> >
>>
>> >
>>
>> > J.-Luc
>> >
>>
>> >
>>
>> >
>>
>> > Message du 13/11/19 16:43
>> > > De : "August Schwe

Re: [darktable-user] Is there a way to bulk import many folders at once?

[August Schwerdfeger]

The require line should just read 'require "Import"', not 'require
"~/.config/darktable/Import.lua"'.

--
August Schwerdfeger
aug...@schwerdfeger.name


On 12/15/19 2:32 PM, Jean-Luc CECCOLI wrote:
>
> OK... this is what I got :
>
>  
>
> *jean-luc@E-5530:~$ darktable -d lua*
> *3,965593 LUA ERROR : /home/jean-luc/.config/darktable/luarc:1: module
> '~/.config/darktable/Import.lua' not found:*
> *    no field package.preload['~/.config/darktable/Import.lua']*
> *    no file
> '/usr/local/share/lua/5.3/~//config/darktable/Import/lua.lua'*
> *    no file
> '/usr/local/share/lua/5.3/~//config/darktable/Import/lua/init.lua'*
> *    no file '/usr/local/lib/lua/5.3/~//config/darktable/Import/lua.lua'*
> *    no file
> '/usr/local/lib/lua/5.3/~//config/darktable/Import/lua/init.lua'*
> *    no file '/usr/share/lua/5.3/~//config/darktable/Import/lua.lua'*
> *    no file '/usr/share/lua/5.3/~//config/darktable/Import/lua/init.lua'*
> *    no file './~//config/darktable/Import/lua.lua'*
> *    no file './~//config/darktable/Import/lua/init.lua'*
> *    no file
> '/usr/share/darktable/lua/~//config/darktable/Import/lua.lua'*
> *    no file
> '/home/jean-luc/.config/darktable/lua/~//config/darktable/Import/lua.lua'*
> *    no file '/usr/local/lib/lua/5.3/~//config/darktable/Import/lua.so'*
> *    no file
> '/usr/lib/x86_64-linux-gnu/lua/5.3/~//config/darktable/Import/lua.so'*
> *    no file '/usr/lib/lua/5.3/~//config/darktable/Import/lua.so'*
> *    no file '/usr/local/lib/lua/5.3/loadall.so'*
> *    no file './~//config/darktable/Import/lua.so'*
> *    no file '/usr/local/lib/lua/5.3/~/.so'*
> *    no file '/usr/lib/x86_64-linux-gnu/lua/5.3/~/.so'*
> *    no file '/usr/lib/lua/5.3/~/.so'*
> *    no file '/usr/local/lib/lua/5.3/loadall.so'*
> *    no file './~/.so'*
> *jean-luc@E-5530:~$*
>
>  
>
> Would it be that I have to compile lua ? I thought it was part of the
> padckage - I'm currently using dt 2.6.2 from Pascal's ppa.
>
>  
>
> Rgrds,
>
>  
>
> J.-Luc
>
>  
>
> > Message du 15/12/19 00:19
> > De : "August Schwerdfeger" 
> > A : "Jean-Luc CECCOLI" 
> > Copie à : "Darktable Users List"
> 
> > Objet : Re: [darktable-user] Is there a way to bulk import many
> folders at once?
> >
> >
> I think the Lua script needs to have a '.lua' extension, and the
> line to bring it in should just read 'require "" ' (with no
> extension).
>
> >
> You can run Darktable with the '-d lua' switch to display Lua
> errors in the terminal.
> >
> >
> --
> > August Schwerdfeger
> > aug...@schwerdfeger.name <mailto:aug...@schwerdfeger.name>
>
> >
> On Sat, Dec 14, 2019, 16:48 Jean-Luc CECCOLI
> mailto:jean-luc.cecc...@wanadoo.fr>>
> wrote:
> >
>
> > Hello,
>
> >  
>
> > I wanted to give it a try as my first step in learnig lua
> scripting.
>
> > Moved my db to another place.
>
> > Created a file named Import.in into ~/.config/darktable and
> containing the following lines :
>
> >  
>
> > * local darktable = require("darktable")*
>
>     > * importDirs = function()*
>
> > *   darktable.database.import("/media/jean-luc/NEF/20081207")*
>
> > * end*
>
> > * importDirs()*
>
> > * *
>
> > Created a file named luarc into ~/.config/darktable and
> containing the following line :
>
> >  
>
> > * require "~/.config/darktable/Import.in"*
>
> > * *
>
> > Launched darktable, and... nothing. :-(
> >
>
> >  
>
> > What did I do wrong ?
> >
>
> >  
>
> > Regards,
> >
>
> >  
>
> > J.-Luc
> >
>
> >  
>
> >  
>
> > Message du 13/11/19 16:43
> > > De : "August Schwerdfeger"  <mailto:aug...@schwerdfeger.name>>
> > > A : "Darktable Users List"
>  <mailto:darktable-user@lists.da

Re: [darktable-user] Is there a way to bulk import many folders at once?

[August Schwerdfeger]

I think the Lua script needs to have a '.lua' extension, and the line to
bring it in should just read 'require "" ' (with no extension).

You can run Darktable with the '-d lua' switch to display Lua errors in the
terminal.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Sat, Dec 14, 2019, 16:48 Jean-Luc CECCOLI 
wrote:

> Hello,
>
>
>
> I wanted to give it a try as my first step in learnig lua scripting.
>
> Moved my db to another place.
>
> Created a file named Import.in into ~/.config/darktable and containing the
> following lines :
>
>
>
> * local darktable = require("darktable")*
>
> * importDirs = function()*
>
> *   darktable.database.import("/media/jean-luc/NEF/20081207")*
>
> * end*
>
> * importDirs()*
>
>
>
> Created a file named luarc into ~/.config/darktable and containing the
> following line :
>
>
>
> * require "~/.config/darktable/Import.in"*
>
>
>
> Launched darktable, and... nothing. :-(
>
>
>
> What did I do wrong ?
>
>
>
> Regards,
>
>
>
> J.-Luc
>
>
>
>
>
> > Message du 13/11/19 16:43
> > De : "August Schwerdfeger" 
> > A : "Darktable Users List" 
> > Copie à :
> > Objet : Re: [darktable-user] Is there a way to bulk import many folders
> at once?
> >
> >
> For a one-off, one just has to make a Lua script with an import line for
> each folder one wants to import
> >
>
> >
> local darktable = require("darktable")
> importDirs = function()
>darktable.database.import("/path/to/folder1")
>darktable.database.import("/path/to/folder2")
>...
> end
> importDirs()
> >
>
> >
> and then place the script in the Lua script directory and add a 'require'
> statement to load it, as described in the instructions in the 'lua-scripts'
> repository [1] <https://github.com/darktable-org/lua-scripts>. The
> mass-import will then run when Darktable starts up, after which the script
> can be removed.
>
> >
> --
> August Schwerdfeger
> aug...@schwerdfeger.name
> >
>
> >
> On Wed, Nov 13, 2019 at 9:13 AM  wrote:
> >
>
>> On Tue, 12 Nov 2019 23:29:26 -0600
>> > August Schwerdfeger  wrote:
>> >
>> > >If the "import directories recursively" checkbox in the import dialog
>> > >does not fit your bill, the 'darktable.database.import' Lua function
>> > >(
>> https://www.darktable.org/lua-api/index.html#darktable_database_import)
>> > >can import a folder. If you have a text file with a list of the
>> > >folders you want to import, it should be fairly quick work to make a
>> > >Lua script that will mass-import all of them.
>> >
>> > Could you please provide some example on how to do it? I don't know
>> > lua, but I'm willing to waddle through it because that's a function
>> > that's would be helping for me.
>> >
>> > --
>> > sknahT
>> >
>> > vyS
>> >
>> 
>> > darktable user mailing list
>> > to unsubscribe send a mail to
>> darktable-user+unsubscr...@lists.darktable.org
>> >
>> >
>
>
> >
> 
> darktable user mailing list to unsubscribe send a mail to
> darktable-user+unsubscr...@lists.darktable.org
> >
>
>
> 
> darktable user mailing list to unsubscribe send a mail to
> darktable-user+unsubscr...@lists.darktable.org
>


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Re: [darktable-user] Renaming files

[August Schwerdfeger]

Renaming images within the database is now supported through the Lua API [1]
<https://github.com/darktable-org/darktable/pull/2082>. Adding support for
it in the GUI will require some further design decisions; I opened a
request-for-comment earlier this year [2]
<https://github.com/darktable-org/darktable/issues/2247> but it did not
seem that anyone had any opinions on the subject.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Thu, Nov 28, 2019 at 4:20 PM Patrick Shanahan  wrote:

> * darkta...@911networks.com  [11-28-19 14:49]:
> > What's the "official policy" on renaming images, especially regarding
> > DT3?
>
> I don't know any "official policy" about *anything* dt related.
>
> I would think you would rename both the photos and accompanying xmp files,
> if they exist, and then reimport into dt.
>
> But you are quite able to test this on your own rather than following my
> thoughts.
>
> fwiw: I have not had the occasion to do this in my ~10 years of using dt.
>
> --
> (paka)Patrick Shanahan   Plainfield, Indiana, USA  @ptilopteri
> http://en.opensuse.orgopenSUSE Community Memberfacebook/ptilopteri
> Photos: http://wahoo.no-ip.org/piwigo   paka @ IRCnet freenode
>
> 
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> to unsubscribe send a mail to
> darktable-user+unsubscr...@lists.darktable.org
>
>


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Re: [darktable-user] Using a 4K monitor display

[August Schwerdfeger]

I use Darktable on 4K displays (and on machines alternating between 4K and
other displays) without any modification. The only 4K-specific issue I have
experienced is lag in the light table view because the entire view has to
be redrawn whenever anything in it changes.

If you do need to tweak the sizes of fonts in the Darktable GUI, I believe
that the thing to do is to edit 'darktable.css'.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Tue, Nov 26, 2019 at 6:03 PM David Vincent-Jones 
wrote:

> Is there an established reference on setting up dt with a 4k display.
> Where to scale fonts and other needed changes?
>
> David
>
>
> 
> darktable user mailing list
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>
>


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Re: [darktable-user] Re: AW:[darktable-dev] dt 3.0.0rc0

[August Schwerdfeger]

I have run into this a few times with 2.7 development versions; since at
that point encountering a conflict in 'iop-order' numbers caused Darktable
to crash, I worked around it by editing sidecar files to eliminate the
conflicts, mostly by substituting arbitrary 'iop-order' values. Do you
anticipate this causing any issues with the repaired version?

--
August Schwerdfeger
aug...@schwerdfeger.name

On Wed, Nov 13, 2019 at 10:23 AM Pascal Obry  wrote:

> Dear Axel,
>
> > is it possible to define "old edits"?
>
> All images edited with version previous to 3.0.0rc0.
>
> Starting working on new images is not a problem.
>
> > Also removing modules... I have hundreds of fotos edited with 2. 7
> > ever since, but not yet exported e.g. for presentation. Would be
> > unfortunate, by that time to realize, a bunch of rework is
> > necessary.
>
> Not necessary. And at worst you'll have to reorder some modules.
>
> We are doing our best to have RC1 very soon which should fix this
> issue.
>
> Best wishes,
>
> --
>   Pascal Obry /  Magny Les Hameaux (78)
>
>   The best way to travel is by means of imagination
>
>   http://www.obry.net
>
>   gpg --keyserver keys.gnupg.net --recv-key F949BD3B
>
>
> 
> darktable user mailing list
> to unsubscribe send a mail to
> darktable-user+unsubscr...@lists.darktable.org
>
>


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Re: [darktable-user] Is there a way to bulk import many folders at once?

[August Schwerdfeger]

For a one-off, one just has to make a Lua script with an import line for
each folder one wants to import

local darktable = require("darktable")
importDirs = function()
   darktable.database.import("/path/to/folder1")
   darktable.database.import("/path/to/folder2")
   ...
end
importDirs()

and then place the script in the Lua script directory and add a 'require'
statement to load it, as described in the instructions in the 'lua-scripts'
repository [1] <https://github.com/darktable-org/lua-scripts>. The
mass-import will then run when Darktable starts up, after which the script
can be removed.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Wed, Nov 13, 2019 at 9:13 AM  wrote:

> On Tue, 12 Nov 2019 23:29:26 -0600
> August Schwerdfeger  wrote:
>
> >If the "import directories recursively" checkbox in the import dialog
> >does not fit your bill, the 'darktable.database.import' Lua function
> >(https://www.darktable.org/lua-api/index.html#darktable_database_import)
> >can import a folder. If you have a text file with a list of the
> >folders you want to import, it should be fairly quick work to make a
> >Lua script that will mass-import all of them.
>
> Could you please provide some example on how to do it? I don't know
> lua, but I'm willing to waddle through it because that's a function
> that's would be helping for me.
>
> --
> sknahT
>
> vyS
>
> 
> darktable user mailing list
> to unsubscribe send a mail to
> darktable-user+unsubscr...@lists.darktable.org
>
>


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Re: [darktable-user] Is there a way to bulk import many folders at once?

[August Schwerdfeger]

If the "import directories recursively" checkbox in the import dialog
does not fit your bill, the 'darktable.database.import' Lua function
(https://www.darktable.org/lua-api/index.html#darktable_database_import)
can import a folder. If you have a text file with a list of the folders
you want to import, it should be fairly quick work to make a Lua script
that will mass-import all of them.

--
August Schwerdfeger
aug...@schwerdfeger.name

On 11/12/19 11:07 PM, Mark Heieis wrote:
> Is there a way to bulk import many folders at once rather than
> importing one folder at a time manually? Eg bulk import from the
> command line or LUA script or darktable feature I'm not seeing?
>
> Thanks.
>
>
>
>
> 
>
> darktable user mailing list
> to unsubscribe send a mail to
> darktable-user+unsubscr...@lists.darktable.org
>

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Re: [darktable-user] Config and sqlite location

[August Schwerdfeger]

I use a similar setup for an installation on an external drive, but I have
separate directories for images, configuration, and cache:
'/external-drive/Photos', '/external-drive/darktable-config',
'/external-drive/cache'.

Regarding the command-line options:

* If you want the thumbnail cache in the "everything" directory, you need
to use the '--cachedir' option in addition to the '--configdir' option.
* I believe the '--datadir' option does not refer to any user data, but to
the directory for Darktable's runtime configuration (e.g.,
'/usr/share/darktable').

--
August Schwerdfeger
aug...@schwerdfeger.name

On Tue, Oct 29, 2019 at 2:17 PM  wrote:

> On Tue, 29 Oct 2019 12:08:37 -0700
> "I. Ivanov"  wrote:
>
> >> and it's not working. Backing up ~/fotos doesn't copy the sqlite.
> >>
> >Backing up? What program? Is this a link ~/fotos
> >to /home/user1/fotos?
>
> I should have explained better.
>
> I'd like to do a "photo backup" to an external usb-drive. A simple copy
> as a 1-chunk, not some files here a directory there...
>
> Copying ~/fotos to the usb-drive would backup everything, the images,
> the xmps, the darktable configs, darktable database and the previews.
>
> --
> sknahT
>
> vyS
>
> 
> darktable user mailing list
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>
>


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[darktable-user] Re: Light table jumps on modification.

[August Schwerdfeger]

Bump.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Sun, Sep 29, 2019 at 1:20 AM August Schwerdfeger <
aug...@schwerdfeger.name> wrote:

> I just updated to the Git master version of Darktable (revision b280d71).
> With the new version, when I make any modification in the light table
> (apply a color label, rating, or tag) the light table view jumps to the
> first selected image in the collection.
>
> Is this a new feature, or just a new bug?
>
> --
> August Schwerdfeger
> aug...@schwerdfeger.name
>


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[darktable-user] Light table jumps on modification.

[August Schwerdfeger]

I just updated to the Git master version of Darktable (revision b280d71).
With the new version, when I make any modification in the light table
(apply a color label, rating, or tag) the light table view jumps to the
first selected image in the collection.

Is this a new feature, or just a new bug?

--
August Schwerdfeger
aug...@schwerdfeger.name


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Re: [darktable-user] Full month name in 'export selected'

[August Schwerdfeger]

As far as I know, the month *name* is not supported as a variable, only the
month number ('EXIF_MONTH').

--
August Schwerdfeger
aug...@schwerdfeger.name

On Fri, Sep 20, 2019 at 8:49 AM Patrick Shanahan  wrote:

> * Archie Macintosh  [09-20-19 09:44]:
> > I'm sure the answer must be obvious, but I'm struggling to find the
> > right variable to use as a placeholder in 'Export selected' so that
> > the output filename has the form MonthName-Year (e.g.
> > September-2019.tif).
> >
> > I'd be grateful for advice about the right variable to use to insert
> > the month in the form of the full word for the month name. (Preferably
> > the EXIF month, but the current month would do if that's not
> > possible.)
>
> I alter *all* filenames on import,
>   exiv2 \-k \-r %y%m%d_%H%M%S_:basename: \.\/*.{nef,jpg}'
>
> so export will appear as 190910_192003_aaa_3768.jpg and original was
> AAA_3768.NEF
>
> adjust as desired.
>
> --
> (paka)Patrick Shanahan   Plainfield, Indiana, USA  @ptilopteri
> http://en.opensuse.orgopenSUSE Community Memberfacebook/ptilopteri
> Photos: http://wahoo.no-ip.org/piwigo   paka @ IRCnet freenode
>
> 
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>
>


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Re: [darktable-user] Tag hierarchy

[August Schwerdfeger]

If you select a tag from the hierarchical view, it will only collect
images with the exact tag that was selected ('family' in this case).

If you want to show images from more than one tag at a time, you have to
type a wildcard ('family|%' in this case) into the text box.

--
August Schwerdfeger
aug...@schwerdfeger.name

On 9/19/19 9:15 PM, Niranjan Rao wrote:
> Greetings,
>
>
> On version 2.6.2/Ubuntu 18.04.
>
>
> lighttable/collect images/tag works nicely and shows hierarchical
> view. However I'm noticing a problem and want to make sure
> understanding is wrong or it's a bug or feature is not implemented
> that way.
>
>
> If I have tag structure like family|member1 and family|member2, if I
> select member1 or member2 I see corresponding images. However if I was
> selecting family, I was expecting to see union of member1 and member2
> set - or all the photos under family node. It does not show anything
> as all the images are hierarchical in this case.
>
>
> Am I misunderstanding the tag usage?
>
>
> Regards,
>
>
> Niranjan
>
> 
>
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Re: [darktable-user] Need help with compiling from git

[August Schwerdfeger]

According to this error log, LLVM not being found is just a warning --
what is actually tripping the build up is the absence of the XML parsing
program, 'xmllint'.

Have you tried installing all the packages in the list of dependencies
on Darktable's install page (https://www.darktable.org/install/#source)?
That should have tracked in the XML parser.

--
August Schwerdfeger
aug...@schwerdfeger.name

On 8/29/19 12:26 AM, Bruce Williams wrote:
> Hi all,
> Yes, I'm finally taking the plunge and trying to get my head around
> git and all that comes with that. :)
> I've created a new user profile on my linux box just so I don't screw
> up my main user profile. 
> Anyway... got as far as $ ./build.sh
> A bunch of text flew past, which all seemed to be going ok until
> 
> -- Found desktop-file-validate
> -- Could NOT find LLVM (missing: LLVM_DIR)
> -- Could NOT find LLVM (missing: LLVM_DIR)
> -- Could NOT find LLVM (missing: LLVM_DIR)
> -- Could NOT find LLVM (missing: LLVM_DIR)
> -- Could NOT find LLVM (missing: LLVM_DIR)
> -- Could NOT find LLVM (missing: LLVM_DIR)
> CMake Warning at CMakeLists.txt:311 (message):
>   Could not find LLVM 3.9+
>
>
> CMake Warning at CMakeLists.txt:312 (message):
>   Test-compilation of OpenCL programs can not be done.
>
>
> -- Test-compilation of OpenCL programs is disabled.
> -- Missing jsonschema, problems in noiseprofiles.json might go unnoticed
> -- Missing xsltproc
> -- Missing saxon-xslt
> -- No xslt interpreter found
> -- Missing xmllint
> CMake Error at CMakeLists.txt:361 (message):
>   Some external programs couldn't be found
>
>
> -- Configuring incomplete, errors occurred!
> See also "/home/darktable/darktable/build/CMakeFiles/CMakeOutput.log".
> See also "/home/darktable/darktable/build/CMakeFiles/CMakeError.log".
> 
>
> Anyone able to help me out here, please?
> I searched the software manager for LLVM, and found "Clang", but not
> sure if I need to install that or not.
> Any advice would be gladly received!
>
> Cheers,
> Bruce Williams
> --
> Mobile:  +61 41 250 6349
>
> audio2u.com <http://audio2u.com>
> brucewilliamsphotography.com <http://brucewilliamsphotography.com>
> shuttersincpodcast.com <http://shuttersincpodcast.com>
> sinelanguagepodcast.com <http://sinelanguagepodcast.com>
>
> e-mail <mailto:stu...@audio2u.com> | Twitter
> <http://twitter.com/@audio2u> | LinkedIn
> <http://au.linkedin.com/pub/bruce-williams/1/318/489> | Facebook
> <http://www.facebook.com/audio2u> | Soundcloud
> <http://www.soundcloud.com/audio2u> | Quora
> <https://www.quora.com/profile/Bruce-Williams-5>
> --
>
>
>
> 
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Re: [darktable-user] bad "full path" for lots of images

[August Schwerdfeger]

There is a shell script in the Darktable repository that will
automatically purge from the database any image whose file does not exist:

https://github.com/darktable-org/darktable/blob/master/tools/purge_non_existing_images.sh

--
August Schwerdfeger
aug...@schwerdfeger.name


On 8/28/19 12:00 AM, Greg Minshall wrote:
> hi.  i have discovered a situation where about 3,000 of my images have a
> full path that is incorrect, presumably because of user error.  my
> question is how i should fix these paths.
>
> normally, "full path" points into
> 
> ~/Pictures/Collection/...
> 
> which is where rapid-photo-downloader leaves things.
>
> in these 3,000 cases, "full path" points at, e.g.,
> 
> /media/minshall/Leica M/DCIM/100LEICA/...
> 
> i.e., presumably where rapid-photo-downloader *found* the image (or,
> where i told darktable to find the image).  these 3,000 images (as far
> as i can tell) all exist in the "right place" in
> ~/Pictures/Collection/
>
> i find i can just "import" the folders (or my entire
> ~/Pictures/Collection) to get the actual images.
>
> but, then i'm left with residual images pointing to bad places.  for
> example, after doing the re-import, for one image i have (collecting by
> filename):
> 
> ~/Pictures/Collection/2016/2016-03-26/L2001723.DNG
> /media/minshall/LEICA M/DCIM/100LEICA/L2001723.DNG
> /media/minshall/sdcard/DCIM/100LEICA/L2001723.DNG
> 
> i.e., three copies (*this* user, i.e., me, when he makes a user error,
> does it up well :).
>
> so, i guess the question is, how to clean up darktable's database, i.e.,
> delete all entries that have a "full path" that matches some pattern (in
> this case, "^/media/minshall"?  (i'm happy to lose any edits in the
> unlikely event i edited any of these images.)
>
> second, is there a way (some lua script, perhaps?) i could use to *list*
> (on the terminal) all the entries that start with some pattern, so i can
> (more easily) get a handle on the scope of the problem?  for example,
> with this, i could verify that i have local copies of all the images
> before deleting (or, if i don't, scrounge through old SD cards, looking
> for them).
>
> thanks!
>
> Greg
> 
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Re: [darktable-user] Looking for some use cases for a metadata editor in darktable

[August Schwerdfeger]

For this to be generally useful, it should support editing any Exif, XMP,
or IPTC field, but I remember there was one user repeatedly asking for a
way to edit the IPTC fields for location and such, which are required when
delivering photos to many news agencies.

On the questions of number of images and method of selection, I would find
it most useful as a batch operation applied to every photo in the set
currently selected, like most light table operations.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Tue, Aug 6, 2019 at 7:42 AM Anna Simon  wrote:

> Hi,
>
> I would like to edit the exif field "lensmodel" (I am not sure though if
> that's really the name of the field, well, I hope you know what I mean),
> since I am often using manual lenses, I would probably edit several photos
> at a time and select them manually.
> Regards
> Anna
>
> On 06.08.19 14:22, Sam wrote:
>
> Hi,
>
> I'm looking at adding a full metadata interface to darktable, I've already
> posted to the developer mailing list
> <https://www.mail-archive.com/darktable-dev@lists.darktable.org/msg04528.html>
>  and
> made a pull request on github
> <https://github.com/darktable-org/darktable/pull/2819> about this but I'm
> looking for some input from users. So if you would use this, what sorts of
> metadata fields would you want to edit? How many photos would you edit at a
> time? And how would you select these (manually or via collections)? Do you
> have any other suggestions?
>
> Thanks,
> Sam
>
> 
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>
> 
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Re: [darktable-user] Consolidating hard drives

[August Schwerdfeger]

There used to be a feature in the "Folder" collection mode that let you
change the root path of an already imported directory hierarchy. Not sure
if it is still there.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Sun, Aug 4, 2019, 1:49 PM Michael Kefeder  wrote:

> If you feel comfortable in sqlite3 shell or some gui-tool for sqlite you
> can update the filepath in the darktable DB, that's what I did when I moved
> computers and my username changed. Backup the db file and do a sqlite
> command like this (on purpose pseudo code, do this only if you know how a
> DB works and understand the schema of darktable):
>
> * first check if the replace does what you want:
> select replace(filepath, '/old/disk/root/', '/new/disk/root/') from photos;
>
> * then run the update:
> begin;
> update photos set filepath = replace(filepath, '/old/disk/root/',
> '/new/disk/root/');
> commit;
>
> otherwise a reimport is the easier solution I guess
> hth
>  mike
>
> Am So., 4. Aug. 2019 um 19:28 Uhr schrieb :
>
>> Before the end of this month, I will be consolidating 3 drives to 1
>> 8Tb drive.
>>
>> My images are on 2 of these drives.
>>
>> I'm using DT 2.6.2. Is there  any recommendation on how to deal with
>> that or do I have to reimport everything? (I have the xmps)
>>
>> --
>> sknahT
>>
>> vyS
>>
>> 
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Re: [darktable-user] LUA reload sidecar

[August Schwerdfeger]

Re-importing an already imported image through the regular GUI does cause
the sidecar to be re-read. I have not tried this through Lua.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Wed, May 15, 2019 at 11:14 AM William Ferguson 
wrote:

>
> Hi Stefan,
>
> On Wed, May 15, 2019 at 8:34 AM  wrote:
>
>> Hi, one more Lua question:
>>
>> How can I trigger darktable to reload a sidecar file of an
>> already-imported file (and update its databas accordingly)?
>>
>> I have a script that externally changes the Xmp metadata of a file.
>> Currently I need to restart darktable, which then recognises the
>> modified sidecars and asks me to reload them.  I want to do this from
>> the Lua script immediately.
>>
>
> You could try importing the image using darktable.database.import().  I'm
> not sure if it would pick up the updated sidecar information or not, but
> you could try it and see.
>
>>
>> Cheers
>> Stefan
>>
>>
>> --
>> http://stefan-klinger.deo/X
>> I prefer receiving plain text messages, not exceeding 32kB. /\/
>>   \
>>
>> 
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>>
>>
> Regards,
>
> Bill
>
> 
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Re: [darktable-user] Question regarding backing up one's darktable configuration settings...

[August Schwerdfeger]

On Linux and MacOS, the '~/.config/darktable' directory contains all of
Darktable's configuration and database files. Not sure where the Windows
installation puts this directory.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Sun, May 12, 2019 at 7:11 PM Willy Williams 
wrote:

> Admittedly, I am coming from a place of ignorance.  I've just had to
> completely reconstruct one of my computers due to a really pathetically
> crappy push release from Microsoft that destroyed my hard drive.  Is there
> a way to back up one's presets and overall configuration of darktable to
> speed a rebuild in case of another disastrous release from the Borg?
>
> Willy
>
> --
>
>  "There are no bad pictures; that's just how your face looks sometimes."
>
>  - Abraham Lincoln
>
> --
>
>
> 
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Re: [darktable-user] Images order in db

[August Schwerdfeger]

I suppose you could create a list of your photos in the desired order and
use the darktable.database.import
<https://www.darktable.org/lua-api/index.html#darktable_database_import>
Lua function to import them one at a time.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Sat, Apr 13, 2019 at 6:38 AM Jean-Luc CECCOLI <
jean-luc.cecc...@wanadoo.fr> wrote:

> > Message du 08/04/19 22:07
> > De : "Jean-Luc CECCOLI"
> > A : "Darktable Users List"
> > Copie à :
> > Objet : re: [darktable-user] Images order in db
> >
> > > Message du 07/04/19 23:02
> > > De : "Jean-Luc CECCOLI"
> > > A : "Darktable Users List"
> > > Copie à :
> > > Objet : [darktable-user] Images order in db
> > >
> > >
> > > Hello,
> > >
> > > Due to recent problems, I thought my db was corrupt and, after erasing
> it (and its copies, since the problem occured with them too), I decided to
> reimport all my photos along with the sidecars.
> > > But, before this, as I wanted to be sure that the photos would be
> imported in their chronological order, I copied them on a new drive,
> starting from the oldest ot the newest.
> > > Thus, DT ought to import them following this scheme.
> > > However, the oldest photo's number is 13380, and the next are 13409,
> 13480, 13511, and lower numbers are assigned to photos taken far further.
> > > Where did DT retrieve those numbers ? I thought it could be into the
> sidecars, but couldn't find anything relevant there.
> > > It is not in the db either, since it ha been erased.
> > >
> > > Any ideas ?
> > >
> > > Rgrds,
> > >
> > > J.-Luc
> > >
> > OK, so... is there a way to force DT to import photos from a list ?
> > Unless I misunderstood, there is nothing about this int the section
> about the cli.
> >
> > Rgrds,
> >
> > J.-Luc
> >
> Er... no one can tell me if that is possible ?
>
> 
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Re: [darktable-user] darktable 2.6 on Windows, performance issues with large database

[August Schwerdfeger]

Yes (although there is still a substantial speed-up, especially for
ratings).

Have you tried Pascal's suggestion of adding new indices to the
'tagged_images' table? I am going to try that when I get the time.

--
August Schwerdfeger
aug...@schwerdfeger.name

On 3/10/19 3:29 PM, Ed Gaillard wrote:
> Thank you for the information. I'm glad to know that it isn't an issue
> with 2.6 or Windows. 
>
> I see that collecting by film roll as you suggest (or by folder )
> makes darktable much faster going to and from the darkroom, but it is
> still quite sluggish adding tags and ratings. Is that what you
> experience as well? 
>
> Thanks,
> Ed
>
>
> On Sat, Mar 9, 2019 at 11:59 PM August Schwerdfeger
> mailto:aug...@schwerdfeger.name>> wrote:
>
> I strongly doubt that your issues have anything to do with either
> version 2.6 or Windows specifically. I have been using Darktable with
> large databases for quite a while, and have encountered these same
> issues on every operating system (except Windows) and every Darktable
> version from 1.4 onward, despite continuous improvements (in early
> versions, when the number of tags in the database increased, it took
> minutes rather than seconds to tag an image).
>
> One thing that helps for me is to collect by film roll or color label
> rather than by tag whenever possible -- for some reason, even image
> editing in the darkroom mode is slower when collect-by-tag is
> being used.
>
> --
> August Schwerdfeger
> aug...@schwerdfeger.name <mailto:aug...@schwerdfeger.name>
>
>
> On 3/9/19 9:31 PM, Ed Gaillard wrote:
> > Hi,
> >
> > I'm a new darktable user, using the Windows port. I have a
> database of
> > about 20 photos, which I had tagged using AfterShot, and used a
> > script found online to convert those XMP files to darktable's
> format,
> > then began importing them into darktable a few folders at a time
> while
> > also importing my new photos straight into  darktable. This all went
> > well, so around the time I had 4 images in the database, I
> > upgraded to 2.6 and then imported the rest of my photos all at once.
> > Probably it was a mistake to do both of those at the same time..
> >
> > Anyway, some aspects of performance with this large database are
> very
> > slow. Selecting multiple photos in the lighttable file manager mode
> > (which I normally use) takes several seconds, applying a star rating
> > to them takes many seconds (30 seconds or more); typing a tag in the
> > metadata pane takes several seconds. Going from lighttable to
> darkroom
> > takes a few seconds, but going back to light table takes nearly
> a minute.
> >
> > On the other hand,collecting images using a tag is very very fast,
> > which seems inconsistent with the other problems being down the size
> > of the database. Also, when I switch to the zoomable light
> table, the
> > slow operations (except for typing tags) are somewhat to much
> faster,
> > but still too slow to be really usable. 
> >
> > All this behavior persists on version 2.6.1, which I just installed.
> > So, is anyone else using the Windows version with such a large
> > database and having problems? Is there anything I can configure in
> > darktable that might help? I suppose I could reimport the photos
> into
> > several smaller databases, but that seems painful.
> >
> > Thanks,
> > Ed Gaillard
> >
> >
> >
> >
> >
> 
> 
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Re: [darktable-user] darktable 2.6 on Windows, performance issues with large database

[August Schwerdfeger]

I strongly doubt that your issues have anything to do with either
version 2.6 or Windows specifically. I have been using Darktable with
large databases for quite a while, and have encountered these same
issues on every operating system (except Windows) and every Darktable
version from 1.4 onward, despite continuous improvements (in early
versions, when the number of tags in the database increased, it took
minutes rather than seconds to tag an image).

One thing that helps for me is to collect by film roll or color label
rather than by tag whenever possible -- for some reason, even image
editing in the darkroom mode is slower when collect-by-tag is being used.

--
August Schwerdfeger
aug...@schwerdfeger.name


On 3/9/19 9:31 PM, Ed Gaillard wrote:
> Hi,
>
> I'm a new darktable user, using the Windows port. I have a database of
> about 20 photos, which I had tagged using AfterShot, and used a
> script found online to convert those XMP files to darktable's format,
> then began importing them into darktable a few folders at a time while
> also importing my new photos straight into  darktable. This all went
> well, so around the time I had 4 images in the database, I
> upgraded to 2.6 and then imported the rest of my photos all at once.
> Probably it was a mistake to do both of those at the same time..
>
> Anyway, some aspects of performance with this large database are very
> slow. Selecting multiple photos in the lighttable file manager mode
> (which I normally use) takes several seconds, applying a star rating
> to them takes many seconds (30 seconds or more); typing a tag in the
> metadata pane takes several seconds. Going from lighttable to darkroom
> takes a few seconds, but going back to light table takes nearly a minute.
>
> On the other hand,collecting images using a tag is very very fast,
> which seems inconsistent with the other problems being down the size
> of the database. Also, when I switch to the zoomable light table, the
> slow operations (except for typing tags) are somewhat to much faster,
> but still too slow to be really usable. 
>
> All this behavior persists on version 2.6.1, which I just installed.
> So, is anyone else using the Windows version with such a large
> database and having problems? Is there anything I can configure in
> darktable that might help? I suppose I could reimport the photos into
> several smaller databases, but that seems painful.
>
> Thanks,
> Ed Gaillard
>
>
>
>
> 
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Re: [darktable-user] Show size cropped picture in DT ?

[August Schwerdfeger]

I think he meant the size *after* cropping. I requested this at one point,
and a prototype was implemented, but it turned out to be too inefficient
and was removed.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Thu, Feb 7, 2019 at 5:20 PM Patrick Shanahan  wrote:

> * Michael Jacobs  [02-07-19 17:23]:
> > In DT 2.6.0 (on Linux Mint), is there a way to display the size (width x
> > height) of a cropped picture in the image information tab ? (both in
> > lighttable & darkroom)
>
> the width and height in pixels are shown in the image information panel on
> the left in both light views lighttable and darkroom.   ???
>
> --
> (paka)Patrick Shanahan   Plainfield, Indiana, USA  @ptilopteri
> http://en.opensuse.orgopenSUSE Community Memberfacebook/ptilopteri
> Registered Linux User #207535@ http://linuxcounter.net
> Photos: http://wahoo.no-ip.org/piwigo   paka @ IRCnet freenode
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Re: [darktable-user] Mac version UI performance/lag

[August Schwerdfeger]

This is not exclusively a Mac issue -- I experience the same kind of lag
on a Linux machine with a 4K monitor. The problem, as was explained when
I asked about it, is that the light table is implemented as a single GTK
widget, and is set to be completely redrawn every time the mouse is
moved on top of it. There is a Redmine bug filed for the issue:
https://redmine.darktable.org/issues/10764.

--
August Schwerdfeger
aug...@schwerdfeger.name

On 12/26/18 12:38 PM, Rui Carmo wrote:
> Hell guys,
>
> Glad so see 2.6.0 out the door, but I just tried it on my retina iMac and am 
> really sad to see that the lighttable is still slow and very CPU intensive 
> (even moving the mouse around seems to keep causing full redraws).
>
> Are there any plans to tackle this in a point release? I’d love to go back to 
> using Darktable on the Mac (I pretty much gave up after the e-mail exchange 
> below).
>
> Kind regards (and happy holidays),
>
> R.
>
>> On 25 Aug 2018, at 12:02, parafin  wrote:
>>
>> On Sat, 25 Aug 2018 10:55:03 +0100
>> Rui Carmo  wrote:
>>
>>>> On 24 Aug 2018, at 10:02, parafin  wrote:
>>>>
>>>> I can't reproduce here. What macOS version are you on? I'm still on
>>>> 10.12.6.  
>>> 10.13.6. Just reproduced it now again on my MacBook, which runs the same 
>>> versions as my iMac.
>> I guess that's the difference. I'm not sure when I will have time to
>> upgrade and look at this.
>>
>>>> How do you enter fullscreen?  
>>> By clicking on the green control widget (darktable does not honor standard 
>>> key commands like Ctrl+Cmd+F)
>> DT has its own shortcuts, namely by default it's F11, but it can be
>> changed in preferences.
>>
>>>> How did you install darktable, did you use DMG from github page?
>>>> https://github.com/darktable-org/darktable/releases/download/release-2.4.4/darktable-2.4.4.dmg
>>>>   
>>> Of course. I am not set up for developing on it (I’m a services dev, not a 
>>> desktop dev) and I don’t use brew casks, so downloading the official DMG is 
>>> the way I install most “regular” apps.
>>>
>>> Meanwhile, any chance the gigantic lag will be addressed soon? I’ve read 
>>> through the issues related to it, and it seems to be a GTK affair, but it 
>>> remains the biggest hurdle to using Darktable on the Mac.
>> I think the problem is 2-fold - slower GTK render on Mac and
>> inefficiency of lighttable rendering on big screens. Looks like making
>> thumbs smaller or/and using HiDpi resolution mode makes rendering a
>> little bit faster, but obviously that's not a fix.
>> To answer your question - I myself not planning on looking at either of
>> these bugs anytime soon. GTK problems are GTK's problems, and
>> lighttable rendering code isn't really my area.
>>
>>> R.
>>>
>>> 
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>>>
>>>
>> 
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Re: [darktable-user] darktable stable and unstable on the same machine - profile question

[August Schwerdfeger]

I have often run several different versions of Darktable
(manually-compiled) on my machine.

Due to database incompatibilities between the major versions of Darktable,
you either have to create a second user account as Bruce suggests, or use
the '--configdir' command-line option to specify a different configuration
directory/database for each version.

I imagine that there would be similar compatibility issues involved if you
imported image files into more than one such database and the sidecar files
were overwritten, but I have never done this, so I cannot say for sure.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Mon, Dec 10, 2018 at 2:52 PM Bruce Williams  wrote:

> Others may have a more suitable or elegant answer, but I've been
> considering a similar proposition Which is to simply create a second
> user account on the Linux machine and run the unstable/development version
> of darktable under that account.
> Given that all the processing is stored in sidecar files, both user
> accounts (and therefore, both the stable and unstable releases) would be
> able to read the same folders and see the same sidecar files.
> I guess there might be issues when the stable release tried to look at
> sidecar files which were created in the unstable version.
> Thoughts?
> Cheers,
> Bruce Williams.
>
> -- Forwarded message -
> From: Bernhard 
> Date: Tue., 11 Dec. 2018, 07:41
> Subject: [darktable-user] darktable stable and unstable on the same
> machine - profile question
> To: darktable-user 
>
>
> Hi,
>
> currently I am considering to move away from Linuxmint (too many issues
> with my machine) and while looking through the Manjaro/Arch Repos I
> found darktable-git as well as darktable 2.4.x.
>
> This raised the following question:
> Is there a possibility to have both versions installed on the same
> machine to run them independently from each other?
> Do they use the same profile - and more important: is there a way to let
> them operate on their specific profile?
>
> That would enable me (and possibly others) to do my work with darktable
> stable version and also run the development version from time to time -
> especially at this time of the year with the release candidates around -
> and help report bugs etc.
>
> --
>
> regards
> Bernhard
>
> https://www.bilddateien.de
>
>
> 
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>
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Re: [darktable-user] Batch renaming software?

[August Schwerdfeger]

Thank you to everyone for all the suggestions; I will look into these. The
last time I looked I could not find anything to handle the use case of
identifying the autobracketed images, so I took the homebrew approach with
the Python script (which utilizes 'exiv2' for reading metadata).

To answer some questions that came up in the replies:

* Operating systems: I was hoping for something cross-platform (like
'exiv2' and my Python script), but Linux-only will do in a pinch.

* GUI vs. CLI:  I was hoping to find a package accessible through the
command line like 'exiv2', so I could somehow invoke it through Darktable
and avoid external mass-edits to the database if I applied it on images
already imported.

* Specifics of the autobracketing problem: What my Python script does now
is to read in all the metadata for a sequence of images, then scan through
to identify subsequences that were taken on the same camera, within 30
seconds of each other, and whose exposure compensation data follows a
specific pattern (e.g., k, k-2, k-1, k+1, k+2). It then puts all these
images into a separate directory. The script needs improvement and I was
hoping to avoid having to reinvent the wheel. (Adobe Bridge apparently
provides this functionality in a script -- not a package I would use, but I
thought there might be an open-source alternative.)

--
August Schwerdfeger
aug...@schwerdfeger.name

On Fri, Nov 9, 2018 at 4:45 PM Bernhard 
wrote:

>
>
> Anton Aylward schrieb am 09.11.18 um 16:42:
>
> How i can rename xmp-files? with sed?
>
> You can't on the face of it.
> Sed is a file CONTENT editor.  the best you can do is 'save-as'.
> It is a completely inappropriate tool for renaming.
>
> not really since if you rename a file already imported to dt you have to
> rename the xmp, too.
> Thing is that the xmp also *contains* the filename of the RAW and
> therefore the *content* of the RAW must also be changed.
>
> --
>
> regards
> Bernhard
> https://www.bilddateien.de
>
>
> 
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[darktable-user] Batch renaming software?

[August Schwerdfeger]

Can anybody recommend any good batch-renaming packages? I am specifically
looking to replace a homebrew Python script that uses exposure-compensation
metadata to identify sets of photos taken using autobracketing (preferably
with something I can invoke from within Darktable).

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Re: [darktable-user] Copy paste metadata

[August Schwerdfeger]

This is a Lua-script add-on to Darktable, which is separate from the
Darktable "core." There are instructions in the README for the scripts
repository [1] <https://github.com/darktable-org/lua-scripts> on how to
install them.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Fri, Jul 20, 2018 at 12:20 PM, kneops  wrote:

> I found this page: https://github.com/darktable-o
> rg/lua-scripts/blob/master/official/copy_paste_metadata.lua
> but it doesn't seem to be part of DT yet. or is it?
>
> Currently I try to do my best and first select all images that need the
> same metadata and then start entering the info and tags.
>
> 
> 
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Re: [darktable-user] Posting large files to mailing lists

[August Schwerdfeger]

When using Gmail apps (at least in the U.S.), it is very complicated *not*
to "top post."

--
August Schwerdfeger
aug...@schwerdfeger.name

On Mon, May 7, 2018, 6:15 PM I. Ivanov  wrote:

> Is it an European practice not to top post?
>
> I deal with quite a bit of email and everyone (that I have worked with
> in North America) top posts when they reply to email.
>
> It is actually extremely rare when people reply "in line".
>
> So - is it indeed perceived as rude to top post or it is rather regional
> preference?
>
> Regards,
>
> B
>
>
> On 2018-05-07 12:28 AM, johannes hanika wrote:
> > hi all,
> >
> > (sorry i'm top posting because i'm lost with all the different levels
> > of indentation below)
> >
> > i reconfigured the lists to only accept a maximum of 1MB per email.
> > sorry for any inconvenience, but i think forcing this may be a good
> > starting point for most of us.
> >
> > fwiw, https://pixls.us may be the better place to post large images or
> > even raw files to start a play raw thread and get more detailed
> > feedback on image development questions.
> >
> > cheers,
> >   jo
> >
> >
> > On Mon, May 7, 2018 at 2:12 AM, Terry Duell  wrote:
> >> One way to "deal with it" is to make all the other mailing list users
> aware
> >> of how inconsiderate and rude you are.
> >> I don't have any desire to have an ongoing argument about this, other
> than
> >> to try to make you aware, and understand, that posting large files to a
> >> mailing list is bad mailing list etiquette.
> >>
> >> On Mon, 07 May 2018 08:55:53 +1000, Henri Turpeenoja
> >>  wrote:
> >>
> >>> Well thats how it goes.  Useless to bitch about something totally
> >>> illusive.
> >>> Just deal with it.
> >>>
> >>> ma 7. toukokuuta 2018 klo 1.50 Terry Duell 
> >>> kirjoitti:
> >>>
> >>>> On Mon, 07 May 2018 08:42:16 +1000, Henri Turpeenoja
> >>>>  wrote:
> >>>>
> >>>>> Well remove 'em if they are "too big".
> >>>>>
> >>>> That doesn't prevent them arriving in my inbox.
> >>>> Attaching large files to a mailing list is bad etiquette.
> >>>> Not everyone needs or wants to receive it, which is why a link is a
> >>>> preferred option if a small file cannot be used.
> >>>>
> >> --
> >> Regards,
> >> Terry Duell
> >>
> 
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> >>
> >
> 
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>
>
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Re: [darktable-user] SDXC Card not detected

[August Schwerdfeger]

Shotwell imports with the 'gphoto2' library, just like Darktable, so this
issue would affect them both equally.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Mon, May 7, 2018 at 10:10 AM, Abhijit Kshirsagar 
wrote:

> My workflow (which worked on the previous cards) was as follows. Comments
> welcome.
>
> 1. Use Shotwell to import all media from the card onto my hard drive.
> I've configured Shotwell to do the renaming, file/folder hierarchy etc.
> I use multiple cameras, including my phone.
> Shotwell creates JPGs for RAWs on import, which is nice to just glance
> through to get some idea of what I've got.
> It also imports videos which is good.
>
> 2. After I import RAW files using Shotwell, I just open darktable to
> process and generate the JPGs.
>
> Since shotwell was unable to import from the new card, I tried to use DT
> for import (after watching some youtube tutotials) and realised DT doesn't
> see the card either.
>
> Abhijit
>
> 
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Re: [darktable-user] darktable stucks when importing many photos

[August Schwerdfeger]

Darktable often seems to hang when I am importing photos, but it always
finishes in the end if you wait long enough (I imagine that for 100,000
photos you would have to run the import overnight). My hypothesis is that
it appears to hang because there are tags applied as part of the import
operation, and tag application in Darktable does not happen in the
background.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Fri, Apr 27, 2018 at 2:13 PM,  wrote:

> Hi,
>
> I’m trying to rebuild by library since I moved from linux to windows
> (unfortunately) and it seem darktable stucks (stands still) when importing.
> I have to restart it
>
>
>
> Is there a log or something I can check,so I can see it stucks on a
> certain photo.
>
>
>
> Is there another way of importing many many photos(roughly 100k)??
>
>
>
> Thanks
>
> Georg
>
>
>
>
>
> 
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Re: [darktable-user] Subtags in collections changed in 2.4.3

[August Schwerdfeger]

That change did not create any new behavior, but instead restored the
behavior from before version 2.4.0. See https://github.com/darktable-o
rg/darktable/pull/1662 for the rationale behind it.

Why would using, e.g., 'Animals|Vertebrata|Gnathostomata|Tetrapoda|Diapsida|
Lepidosauria|Squamata|Gekkonidae%' not work for you in this case?

--
August Schwerdfeger
aug...@schwerdfeger.name

On Wed, Apr 25, 2018 at 2:03 AM, 
wrote:

> I'm a bit disappointed by the changed treatment of subtags in collections
> which is labelled a "Bugfix" in 2.4.3:
>
>When collecting by tags, don’t select subtags
>
> (the corresponding commit is 7428d2e0484d8727eca8a9a8e7cdbf53eb6b44e2).
>
> To me, the previous behaviour was a feature and not a bug.  Assume that
> you're
> very geeky about tagging your pictures of animals and have pictures of two
> geckos
> in your collection
>
>   Animals|Vertebrata|Gnathostomata|Tetrapoda|Diapsida|
> Lepidosauria|Squamata|Gekkonidae|Hemidactylus|Hemidactylus frenatus
>   Animals|Vertebrata|Gnathostomata|Tetrapoda|Diapsida|
> Lepidosauria|Squamata|Gekkonidae|Phelsuma|Phelsuma borbonica
>
> Previously, you could collect
>
>   Animals|Vertebrata|Gnathostomata|Tetrapoda|Diapsida|
> Lepidosauria|Squamata|Gekkonidae
>
> and find the pictures of all geckos.  Since 2.4.3 one has to logically OR
> all subtags.
> In the example of the two gecko species, this is not a big deal, but if
> you want all
> pictures of birds from a specific year, it gets very tedious.
>
> Am I missing something or is there a chance to revert this change?
> --
> Thorsten Ohl, Wuerzburg Univ., Physics -- http://physik.uni-wuerzburg.de
> /ohl
> 
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Re: [darktable-user] exFAT-Filesystem on SDXC-card supported?

[August Schwerdfeger]

It sounds as if this is an issue with the 'gphoto2' library, rather than
Darktable itself -- 'gphoto2' will recognize a card mounted through a
kernel driver, but not one mounted through FUSE.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Mon, Apr 23, 2018 at 1:07 PM, Jean-Luc Coulon (f5ibh) <
jean.luc.cou...@gmail.com> wrote:

>
> The system mounts the card with a card reader.
>>
>> Pointing DT to the mount point is only possible with "import folder".
>> This will leave the fotos on the card and write the moint-point-path to
>> the database and write sidecars on the card.
>>
>
> This is the expected behaviour.
> DT reads the files where they are and write the XML in the same directory
> where the files lie.
>
>
>> I would like to move the fotos from the temporarily mounted card to the
>> ssd/hdd-part of my filesystem.
>>
>> This is not possible from within darktable.
>> I have to use linux to create a folder and copy the pictures.
>>
>
> Which is also the expected behaviour.
> DT is *not* a picture management software, even if the rolls/collections
> allow some kind of file management.
>
> The best is to use an other software dedicated to import / manage the
> files.
> You can try:
> - rapid-photo-downloader: https://www.damonlynch.net/rapid/
> - digikam
> - shotwell
> - what you want
>
> Jean-Luc
>
>
> 
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Re: [darktable-user] Darktable crashes

[August Schwerdfeger]

Try opening up a terminal and entering the command

/Applications/darktable.app/Contents/MacOS/darktable

Then if Darktable crashes it will output the crash report to the terminal.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Tue, Apr 10, 2018 at 12:43 PM, peter white 
wrote:

> No report pops up. Darktable just vanishes.
>
> Peter White
>
>
> On Apr 10, 2018, at 1:24 PM, Tobias Ellinghaus  wrote:
>
> Am Dienstag, 10. April 2018, 16:49:17 CEST schrieb peter white:
>
> I’m running OS X 10.13.4
>
> Darktable crashes within a minute or so of starting the program. What can
> be
> done?
>
>
> Showing the crash report would be a good start.
>
> Thanks,
>
> Peter White
>
>
> Tobias
>
>
> 
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Re: [darktable-user] Import

[August Schwerdfeger]

As a Linux-centric application, Darktable sees only one drive *as* a drive
-- all other drives are represented as folders.

After you have opened the import dialog, in the left-hand bar above "Other
Locations" there should be a folder icon with just a slash next to it. If
you click that, you should see a list of folders including one named
'Volumes'. Open that and you should see your external drives.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Tue, Apr 10, 2018 at 9:42 AM, ktbgud  wrote:

> I am running Darktable 2.4.2
>
> Ka Tai
>
>
>
> > On 10 Apr 2018, at 22:39, ktbgud  wrote:
> >
> > The external drives are visible, They are connected via usb3.0.
> >
> > I have used them with Lightroom for years. But since Lightroom is
> getting unfriendly, I want to explore other programs.
> >
> > I HAVE tried “folder", I get the home drive and “+other locations”. when
> I clicked on that, I get “computer”, which is the home drive again.
> >
> > I am using Mac and not linux. Should there be an difference, since I
> downloaded this program from the official website?
> >
> > As you can probably guess, I am getting a tiny bit frustrated. But I am
> willing to learn.
> >
> > Ka Tai
> >
> >
> >
> >> On 10 Apr 2018, at 22:10, Remco Viëtor  wrote:
> >>
> >> On mardi 10 avril 2018 15:13:35 CEST ktbgud wrote:
> >>> I have just downloaded Darktable for Mac.
> >>>
> >>> I am a photographer. I do not know too much about linux and stuff.
> >>>
> >>> All my photos are stored on 2 external hard drives, about 3T's worth.
> >>>
> >>> I can not figure out how to import to Darktable. The external drives
> just do
> >>> not show up. I can import from the home drive of my computer OK, but
> it is
> >>> just not feasible to move or copy my photos there.
> >>
> >> If your external drives are visible with your file manager, Darktable
> should
> >> also see them.
> >>
> >> Stupid question, but: have you tried to use "folder" under the "import"
> tab
> >> (left-most column when you are in 'lighttable' mode)?
> >> From there, I can navigate to any drive/folder that is visible in my
> normal
> >> file manager (that's under Linux, but that should not make a
> difference).
> >>
> >> If you already tried that, then perhaps you could tell us how those
> external
> >> drives are connected to your computer (USB, network, ...).
> >>
> >> Remco
> >> 
> 
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> >>
> >
>
> 
> 
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Re: [darktable-user] Highlight Details

[August Schwerdfeger]

To quote the "Development" page on the website:

Just use it! And afterwards let us know how you like it. Send your bug
reports, feature requests, suggestions or just your personal opinion to our
mailing list.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Sun, Apr 8, 2018 at 5:25 PM, Chris  wrote:

> Hi,
>
> Couldn't agree with you more Peter. I am not trying to pick apart
> darktable... as I have actually just dumped adobe and am switching to
> darktable fully. So I am really just trying to learn the program and
> understand it better.
>
> Maybe there is a way to really get to the nitty gritty of the raw file and
> poke around in those colour ranges?
>
> Chris
>
> On 2018/04/08 03:04 PM, Peter Cripps wrote:
>
> I've seen similar results to Chris. One of the (few) things that I've
> found Lightroom does better than darktable is highlight recovery.
>
> I have noticed that the darktable histogram doesn't seem to show content
> at the far right hand side that does show in the Lightroom histogram. Don't
> know if this is relevant.
>
> I hesitate to mention this, since I'm very conscious of the fact that
> darktable is entirely created by people working on their own time. It seems
> ungrateful to pick out one thing that isn't perhaps as good as with other
> paid programs.
>
> Peter
>
>
>
>
> On 04/08/2018 02:51 PM, Chris wrote:
>
> Hi,
>
> So the shadows & highlights module also does not seem to full 'reveal' the
> detail in the clouds that I know exists... it simply darkens the existing
> pixels that we can already see. So not really 'recovering detail' as such.
>
> https://www.dropbox.com/s/u3lo4oy9dokdbwh/darkt_04.jpg?dl=0
>
> and pushed further
>
> https://www.dropbox.com/s/zih4f434frcxizu/darkt_05.jpg?dl=0
>
> obviously I am going to extremes here... but they still just do not
> compare to the clarity revealed from LR.
>
> https://www.dropbox.com/s/suw9v3jnsszbsec/lr_02.jpg?dl=0
>
> Thanks,
>
> Chris
>
> On 2018/04/08 02:30 PM, Pascal Obry wrote:
>
> Le dimanche 08 avril 2018 à 14:25 -0700, Chris a écrit :
>
> Anyway, these are my adventures into highlights in DarkTable.
>
> You haven't activate the "shadows & highlight" module, so indeed
> nothing done for darktable :)
>
>
>
>
> 
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>
>
> 
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>
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Re: [darktable-user] The Good Knight

[August Schwerdfeger]

>From the joke screen, you can press "L" to go to the light table.

People complain about this every year. I myself was just using Darktable
today to show some photos on a projector and had to explain the joke to my
audience when the screen came up. Perhaps, since the developers assure us
<https://redmine.darktable.org/issues/11559> that it is not going to be
removed from Darktable, a section should be added to the user manual to
explain how to make the joke screen go away.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Sun, Apr 1, 2018 at 8:03 PM, Charlie Goodwin 
wrote:

> This is incredibly stupid. I cannot get to the program.
>
> On Sun, Apr 1, 2018 at 3:25 PM, J Albrecht  wrote:
>
>>
>> On 01 Apr 2018, at 21:22, Chris  wrote:
>>
>> Hi,
>>
>> What is this 'The Dark Table Team Presents The Good Knight' rubbish that
>> appears when I try to open DarkTable?
>>
>> Some random DOS game? Makes me not trust this app one bit any more!
>>
>> Chris
>>
>> 
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>> 
>>
>>
>>
>> Long-time users of the program realised right away that this is
>> darktable’s annual April Fool’s joke. Don’t sweat it, it’ll be gone
>> tomorrow!
>>
>
>
> 
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Re: [darktable-user] Lua Export

[August Schwerdfeger]

All of one's Lua scripts can be disabled by a single Lua error, so I would
try updating to the current version of the 'selection_to_pdf.lua' script.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Tue, Mar 6, 2018 at 2:00 PM, David Vincent-Jones 
wrote:

> This is the cl feedback  there is no mention of the gimp.lua
> I am currently showing Lua version as 5.3.4 ... appears to be the latest.
>
> david@carbon:~> darktable -d lua
> [imageop_init_presets] updating 'basecurve' preset 'fujifilm like' from
> version 4 to version 5
> LUA ERROR API Version: 5.0.0
> LUA ERROR : /home/david/.config/darktable/lua/selection_to_pdf.lua:39:
> Module selection_to_pdf is not compatible with API 5.0.0
>
> David
>
> On 03/06/2018 03:40 PM, Patrick Shanahan wrote:
> > * David Vincent-Jones  [03-06-18 09:28]:
> >> For some reason my Lua scripts are not showing as export options.
> >>
> >> With Gimp (for example) the 'require "official/gimp" ' entry does exist
> >> and is correctly located in the ~/.config/darktable/luarc file.  None of
> >> the other Lua options are also showing.    What am I missing?
> >
> > did you start dt from the cl to see what you are missing?
> >   darktable -d lua
> >
> >
> 
> 
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Re: [darktable-user] Mouse sensitivity

[August Schwerdfeger]

With my trackpads, sensitivity is the same (unusably high) with both 2.4.0
and 2.4.1, but normal with 2.2.5.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Wed, Feb 21, 2018 at 4:35 PM, Tobias Ellinghaus  wrote:

> Am Mittwoch, 21. Februar 2018, 20:18:07 CET schrieb Frank:
> > Since the upgrade to 2.4.1, I find my mouse scrolling (Apple Magic Mouse)
>
> So 2.4.0 worked fine? And given the mouse you are using I assume that you
> are
> on OSX?
>
> > to be virtually unusable. I cannot use it in darkroom panels and even
> > scrolling in lighttable is so jumpy it is frustrating. Is there any
> > solution other than changing my system wide mouse scroll speed? As I
> said,
> > this is ONLY since 2.4.1
>
> Tobias


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Re: Re: [darktable-user] Mouse sensitivity

[August Schwerdfeger]

Does your wireless mouse have a physical scroll wheel, or does it have a
touch surface like the Magic Mouse?

--
August Schwerdfeger
aug...@schwerdfeger.name

On Wed, Feb 21, 2018 at 2:32 PM, Henri Turpeenoja <
henri.turpeen...@gmail.com> wrote:

> I use logitech wireless mouse on mac. No any kind of problems. So it can
> not be bug in software.
> -- Edelleenlähetetty viesti --
> Lähettäjä: "August Schwerdfeger" 
> Päiväys: 21.2.2018 10.28 ip.
> Aihe: Re: [darktable-user] Mouse sensitivity
> Vastaanottaja: "Darktable Users List" 
> Kopio:
>
> I am having the same issue with trackpads on both MacOS and Linux -- the
>> light table has become nearly unusable, some darkroom modules wholly so. I
>> filed a bug on Redmine last month against the first manifestation of it
>> that I noticed (https://redmine.darktable.org/issues/11974).
>>
>> --
>> August Schwerdfeger
>> aug...@schwerdfeger.name
>>
>>
>>
>>
>> On Wed, Feb 21, 2018 at 1:18 PM, Frank  wrote:
>>
>>> Since the upgrade to 2.4.1, I find my mouse scrolling (Apple Magic
>>> Mouse) to be virtually unusable. I cannot use it in darkroom panels and
>>> even scrolling in lighttable is so jumpy it is frustrating. Is there any
>>> solution other than changing my system wide mouse scroll speed? As I said,
>>> this is ONLY since 2.4.1
>>>
>>> 
>>> darktable user mailing list to unsubscribe send a mail to
>>> darktable-user+unsubscr...@lists.darktable.org
>>>
>>
>>
>> 
>> darktable user mailing list to unsubscribe send a mail to
>> darktable-user+unsubscr...@lists.darktable.org
>>
>
> 
> darktable user mailing list to unsubscribe send a mail to
> darktable-user+unsubscr...@lists.darktable.org
>


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Re: [darktable-user] Mouse sensitivity

[August Schwerdfeger]

I am having the same issue with trackpads on both MacOS and Linux -- the
light table has become nearly unusable, some darkroom modules wholly so. I
filed a bug on Redmine last month against the first manifestation of it
that I noticed (https://redmine.darktable.org/issues/11974).

--
August Schwerdfeger
aug...@schwerdfeger.name




On Wed, Feb 21, 2018 at 1:18 PM, Frank  wrote:

> Since the upgrade to 2.4.1, I find my mouse scrolling (Apple Magic Mouse)
> to be virtually unusable. I cannot use it in darkroom panels and even
> scrolling in lighttable is so jumpy it is frustrating. Is there any
> solution other than changing my system wide mouse scroll speed? As I said,
> this is ONLY since 2.4.1
>
> 
> darktable user mailing list to unsubscribe send a mail to
> darktable-user+unsubscr...@lists.darktable.org
>


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Re: [darktable-user] Re: The new look......

[August Schwerdfeger]

I had something very similar happen with my installation of Darktable
2.0.7 on CentOS 7. It was caused by an update to a shared CSS file. I
forget the exact name of the file, but I was able to find it by
examining the Gtk messages that came up when I started Darktable from
the command line.

--
August Schwerdfeger
aug...@schwerdfeger.name

On 11/05/2017 04:49 PM, Michael wrote:
> I installed from the PPA via apt. How do you reenable the PPA?
>
> On Sun, Nov 5, 2017 at 5:25 PM, Robert William Hutton
> mailto:r...@helms-deep.net>> wrote:
>
> Those symptoms occur when GTK3 has been updated without darktable
> being updated to match.  The red areas indicate that there's a
> problem with the layout, so CSS might be involved, but I more
> often see this when I update the OS from one release to the next
> (say, Ubuntu 17.04 to Ubuntu 17.10) without rebuilding darktable.
>
> You say "My system updated over 400 packages this morning."  Could
> it be that GTK was one of those packages?
>
> What distro are you running?  How did you install darktable?
>
> If you installed from the PPA, it's likely that it was disabled
> during the upgrade, and that you're running the darktable version
> from the previous release.  Or if you build from source, you
> should do a complete rebuild.
>
> -R
>
>
> On 06/11/17 06:38, Michael wrote:
>
> I figured dt was updated this morning. Can someone tell me how
> to get it back to the way it was istead of the way it is now?
>
> On Sun, Nov 5, 2017 at 2:34 PM, Patrick Shanahan
> mailto:p...@opensuse.org>
> <mailto:p...@opensuse.org <mailto:p...@opensuse.org>>> wrote:
>
>     * Michael mailto:bmi...@gmail.com>
> <mailto:bmi...@gmail.com <mailto:bmi...@gmail.com>>> [11-05-17
> 14:28]:
>      > I was actually alive in the 80's. Comodore64 was my
> first computer. No...
>      > we had a timex before that.
>      > Anyways: this is what my screen looks like now:
>      > [image: Inline image 1]
>      > My system updated over 400 packages this morning. I
> cant give a sample of
>      > the previous set-up.
>      >
>      > On Sun, Nov 5, 2017 at 2:18 PM, Patrick Shanahan
> mailto:p...@opensuse.org>
>     <mailto:p...@opensuse.org <mailto:p...@opensuse.org>>> wrote:
>      >
>      > > * Michael mailto:bmi...@gmail.com>
> <mailto:bmi...@gmail.com <mailto:bmi...@gmail.com>>> [11-05-17
> 14:17]:
>      > > > this has the look of something from the eighties! I
> feel like you are
>      > > going
>      > > > to turn people off from even trying it. What
> happened to the menu on the
>      > > > left?
>      > > >
>      > > > On Sun, Nov 5, 2017 at 2:09 PM, Michael
> mailto:bmi...@gmail.com>
> <mailto:bmi...@gmail.com <mailto:bmi...@gmail.com>>> wrote:
>      > > >
>      > > > > I do not like it. It is too blocky. It is too
> colorful. How do I go
>      > > back
>      > > > > to the previous version? This one makes me feel
> stupid.
>      > > > >
>      > > > > --
>      > > > > :-)~MIKE~(-:
>      > > > >
>      > > >
>      > > >
>      > > >
>      > > > --
>      > > > :-)~MIKE~(-:
>      > > >
>      > > >
> 
>      > > 
>      > > > darktable user mailing list
>      > > > to unsubscribe send a mail to
> darktable-user+unsubscribe@
>      > > lists.darktable.org <http://lists.darktable.org>
> <http://lists.darktable.org>
>      > >
>      > > it is still there, did you loose it?  how did you
> accomplish that?  what
>      > > people do you mean?  were you actually here in the 80's?
>      > >
>      > > --
>      > > (paka)Patrick Shanahan       P

Re: [darktable-user] parametric tutorial?

[August Schwerdfeger]

You could also try the "Shadows and Highlights" module within the
boundaries of a drawn mask.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Thu, Sep 7, 2017 at 1:05 PM, Remco Viëtor 
wrote:

> On jeudi 7 septembre 2017 19:25:18 CEST darkta...@911networks.com wrote:
> > Hi,
> >
> > DT 2.2.5.
> >
> > I'm looking to open some shadows.
> >
> > There's the fill module and the tone curve, but I'd like more
> > control, I only want to open only some shadows, like faces.
> >
> > Any good parametric tutorial?
> >
> > I've been messing around with parametric control, but the keyword
> > here is "messing"...
> >
> > Ideally, I envision selecting a shadow and setting the exposure for that
> > shadow darkness with a blend mode of screen and having multiple exposure
> > entries for different shadows with some masking.
>
> Not sure parametric masking would do what you want, like opening shadows
> just
> in faces. While a parametric mask could help there, you'll need to combine
> it
> with a drawn mask, with is a whole separate problem.
>
> The reason is that parametric masks select according to the value for one
> channel (which channels are available depends on the module, some are
> based on
> Lab, others on RBG). And that rarely corresponds to a specific zone in your
> image (even something apparently simple as selection a cloudy sky can have
> some complications if there's e.g. a reflection in a lake).
> Of course, you can try to combine several channels, but there is no
> guarantee
> that there is a combination that selects only the zone you want.
>
> So far, I have to limit myself to one channel in the parametric mask, and
> perhaps a simple drawn mask, combining those two in exactly the way you
> want
> is probably very logical, but not intuitive.
>
> And I haven't found a good tutorial explaining how to attack this kind of
> situations.
>
> Remco
>
> 
> 
> darktable user mailing list
> to unsubscribe send a mail to darktable-user+unsubscribe@
> lists.darktable.org
>
>


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Re: [darktable-user] Centos 6.8 and darktable

[August Schwerdfeger]

I have compiled and run Darktable 2.0.7 on CentOS 7 without any issues
(although I was just using it to catalog an existing set of images and not
trying to import from a camera). I have not yet tried it with any newer
versions of Darktable.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Mon, Aug 28, 2017 at 9:01 PM,  wrote:

> It seemed like it is.
>
> Centos is very similar to redhat, but it complains about a too old a
> cmake, updated that, complained about Centos not being big endian
> (*frown() and a too old a gcc compiler.
>
> Might be a bit too much work.
>
> Ron
>
>
> On 08/28/2017 09:06 AM, Tobias Ellinghaus wrote:
> > Am Sonntag, 27. August 2017, 16:26:07 CEST schrieb cjv...@gmail.com:
> >> Hello,
> >>
> >>
> >> I Run Centos 6.8 as the OS and have a Canon rebel T6 (1300D)
> >>
> >> It 'mounts' in Centos and gphoto2 can see it, however darktable does
> not.
> >>
> >> I installed darktable using yum, it says it is version 1.0.5, any
> >> suggestions?
> > 1.0.5 is ancient.
> >
> >> (or do I need to build 2.x from scratch?
> > I'd say, yes, but I am not even sure if Centos satisfies the
> requirements to
> > build recent releases. Here you can find build instructions for other
> distros:
> > https://redmine.darktable.org/projects/darktable/wiki/
> Building_darktable_22
> >
> >> Ron
> > Tobias
>
>
> 
> 
> darktable user mailing list
> to unsubscribe send a mail to darktable-user+unsubscribe@
> lists.darktable.org
>
>


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Re: [darktable-user] Re: collect images attending to exposure time

[August Schwerdfeger]

The existing collection options for ISO, aperture, etc., have always been
completely useless to me because the form of a Darktable collection query
effectively restricts these options to queries on exact values -- one
cannot make queries such as "ISO greater than 400."

I assume there is no straightforward way of establishing the same kind of
scripting structure for collection options as exists now for lighttable
modules? This would certainly make it easier to support collection options
that have limited use cases, without having to overpopulate the list in
everyone's collection module.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Sat, Aug 5, 2017 at 2:39 AM, Marcial Gómez Martín 
wrote:

> I use to take pictures of paintings and other stuff in order to catalogue
> and archive them. I prepare a set and shoot five times for every item and
> five more with a color chart, keeping the aperture fixed and changing the
> time. Then, I look at all the images and look for the one with the correct
> exposure (after making a proper icc profile for the session following the
> amazing Elle Stone's methods). Once I have processed this one image, I
> intend to copy paste the history to the rest "with the same exposure time",
> and I have to navigate the lighttable with the mouse to select them among
> hundreds one by one.
> Yes, the ability to collect them by exposure time would be great for me.
> I dont' know if I am the only person who finds it useful. There are other
> criteria which I don't use, but I understand they might be useful for other
> people and, as you can choose, on the side of the camera, from "focal
> length", "ISO", "aperture" and "lens", I think that adding the option
> "exposure time" wouldn't be a crazy thing to consider. On the other hand, I
> may be wrong, but I think that adding this wouldn't be a nightmare for the
> developers (of course, I am not one of them and respect their job and their
> priorities: I'm sure there might be  other much more important things).
>
> Thanks.
>
>
>
> 
> 
> darktable user mailing list
> to unsubscribe send a mail to darktable-user+unsubscribe@lis
> ts.darktable.org
>
>


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Re: [darktable-user] want to move from iPhoto to darktable

[August Schwerdfeger]

I was talking about editing the database directly, outside of Darktable,
using SQL commands -- potentially dangerous, but the only viable way I
could find to relocate several hundred film rolls without re-importing
everything in them.

As far as I know, the Darktable database schema is not documented, but you
can use the 'sqlite3' command-line tool to examine your database for
yourself.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Tue, Apr 11, 2017 at 3:20 PM, Dr. Georg Troska <
georg.tro...@uni-dortmund.de> wrote:

> Hello, thanks for your answser.
>
> I'm not sure if I understand you correctly.
>
> How do you edit the database? Opening darktable and then correcting the
> folder paths as mentioned in the docs? Or is there a way to start darktable
> using some parameters in order to correct some paths?
>
> If not would it be very hard to program a small tool working on the
> console to move the folder in the filesystem AND correcting the path in the
> database? Is there any doc how the database is organized. I can volunteer
> to do some programing, too
>
>
> Georg
> Am 10.04.2017 um 23:04 schrieb August Schwerdfeger:
>
> When I need to rename/relocate film rolls *en masse*, I usually rename
> each film roll's directory (in Bash or elsewhere) and then edit the
> database directly to apprise Darktable of the new paths (UPDATE film_rolls
> SET folder = "/new/path" WHERE folder == "/old/path"). Of course, it is
> very easy to mess up one's database this way, so some caution is advised.
>
> --
> August Schwerdfeger
> aug...@schwerdfeger.name
>
> On Mon, Apr 10, 2017 at 3:38 PM, Dr. Georg Troska <
> georg.tro...@uni-dortmund.de> wrote:
>
>> Hello,
>>
>> I finally managed to move from iPhoto to darktable by using the software
>> "phoshare" on the mac and a lot of bash-programming on linux. Now I'm
>> starting to use darktable and see how powerful it is. Already now I think,
>> moving was the correct choice.
>>
>> Still a few questions:
>> 1. Is there an easy way to make something like albums? I mean something
>> like a new folder with links to some selected pics, so that I have a
>> subselection? Background of this question is the fact, that I'm using my TV
>> with DLNA support as digital picture-frame. It would be very nice if I
>> could tag some pictures and a new folder per tag appears containing each
>> picture link. I guess darktable does not offer such a solution right?
>> Possible to make some scripts?
>> 2. I understand that darktable is not meant to be a used for filesystem
>> stuff. Anyhow I'm missing a possibility to rename a filmroll. I tried out,
>> renaming a filmroll in the filesystem is possible but then darktable needs
>> to re-import the folder. Is there an other way? Actually, I really have a
>> lot of problems as I didn't do the naming of my filmrolles accurately, In
>> iphoto I had one indicating photo and this was enough. Is there any plan
>> going on to change darktable for a better usability, here. Maybe I'm just
>> misunderstanding the concept. Currently I have more than 30k pics from the
>> last years imported as roughly 1000 filmrolls. So I'm just asking, what
>> do you do to find a picture??
>> 3. Unfortunately, I wasn't able to recover the modifications I did to the
>> pictures. Luckily I didn't do much, as iPhotos feasibilty is very limited,
>> but Especially, I set thousands of geotags in the picutures manually,
>> which I would like to keep. I think I would be able with some scriping
>> magic to read in this information from iPhoto. Is there an easy way to tell
>> darktable "please use these geotags for these pictures"?  E.g. I saw one
>> can provide a file with the exif_date and the geotag and darktable will set
>> the geotag to the corresponding picture. So is it possible to do this on a
>> larger set of picture (lets say 30k??) How should the fileformat look like?
>> 4. I didn't found a possibility in darktable to set a geotag manually.
>> There is only the workaround with the mentioned file. Is there something
>> going on into this direction?
>> 5. I'm missing a possibiliy to move one picture forward and backward in
>> the darkroom. Using the mouse on the lower part is very slow. Is there a
>> keyboard shortcut?
>>
>> Thanks a lot in advance
>>
>> Georg
>> Am 21.12.2016 um 21:38 schrieb Georg Troska:
>>
>> Hello to everybody,
>>
>> thank you very much for the very quick answers.
>>
>>
>> I think the idea with the xmp-files is brilliant. When

Re: [darktable-user] want to move from iPhoto to darktable

[August Schwerdfeger]

When I need to rename/relocate film rolls *en masse*, I usually rename each
film roll's directory (in Bash or elsewhere) and then edit the database
directly to apprise Darktable of the new paths (UPDATE film_rolls SET
folder = "/new/path" WHERE folder == "/old/path"). Of course, it is very
easy to mess up one's database this way, so some caution is advised.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Mon, Apr 10, 2017 at 3:38 PM, Dr. Georg Troska <
georg.tro...@uni-dortmund.de> wrote:

> Hello,
>
> I finally managed to move from iPhoto to darktable by using the software
> "phoshare" on the mac and a lot of bash-programming on linux. Now I'm
> starting to use darktable and see how powerful it is. Already now I think,
> moving was the correct choice.
>
> Still a few questions:
> 1. Is there an easy way to make something like albums? I mean something
> like a new folder with links to some selected pics, so that I have a
> subselection? Background of this question is the fact, that I'm using my TV
> with DLNA support as digital picture-frame. It would be very nice if I
> could tag some pictures and a new folder per tag appears containing each
> picture link. I guess darktable does not offer such a solution right?
> Possible to make some scripts?
> 2. I understand that darktable is not meant to be a used for filesystem
> stuff. Anyhow I'm missing a possibility to rename a filmroll. I tried out,
> renaming a filmroll in the filesystem is possible but then darktable needs
> to re-import the folder. Is there an other way? Actually, I really have a
> lot of problems as I didn't do the naming of my filmrolles accurately, In
> iphoto I had one indicating photo and this was enough. Is there any plan
> going on to change darktable for a better usability, here. Maybe I'm just
> misunderstanding the concept. Currently I have more than 30k pics from the
> last years imported as roughly 1000 filmrolls. So I'm just asking, what
> do you do to find a picture??
> 3. Unfortunately, I wasn't able to recover the modifications I did to the
> pictures. Luckily I didn't do much, as iPhotos feasibilty is very limited,
> but Especially, I set thousands of geotags in the picutures manually,
> which I would like to keep. I think I would be able with some scriping
> magic to read in this information from iPhoto. Is there an easy way to tell
> darktable "please use these geotags for these pictures"?  E.g. I saw one
> can provide a file with the exif_date and the geotag and darktable will set
> the geotag to the corresponding picture. So is it possible to do this on a
> larger set of picture (lets say 30k??) How should the fileformat look like?
> 4. I didn't found a possibility in darktable to set a geotag manually.
> There is only the workaround with the mentioned file. Is there something
> going on into this direction?
> 5. I'm missing a possibiliy to move one picture forward and backward in
> the darkroom. Using the mouse on the lower part is very slow. Is there a
> keyboard shortcut?
>
> Thanks a lot in advance
>
> Georg
> Am 21.12.2016 um 21:38 schrieb Georg Troska:
>
> Hello to everybody,
>
> thank you very much for the very quick answers.
>
>
> I think the idea with the xmp-files is brilliant. When started googleing I
> found this:
>
> https://gist.github.com/lpar/2191225
>
> What do you think about it? Has somebody tried it out? Is is compatible to
> darktable?
>
> I'm a bit afraid to let is run overy my whole library without fully
> understanding what it does. maybe I create a copy first :-)
>
>
> Georg
>
>
> On 21.12.2016 21:27, Tobias Ellinghaus wrote:
>
> Am Mittwoch, 21. Dezember 2016, 21:17:44 CET schrieb Georg Troska:
>
> Hello Hanatos,
>
> Not hanatos, but hi nevertheless. :-)
>
>
> I already tried my first importing on the dataset of the last year:
>
>
> in iPhoto my photos are stored on a yearly basis followed by a daily
>
> basis (e.g. 2016/31.10.2016/1.NEF).
>
>
> So when I am importing the folder 2016 recursively I will get as many
>
> filmrolls as there are folders in 2016 with the names of the folders. It
>
> would be very nice if the dates would be replaced by the names that I
>
> used in iPhoto. In iPhoto these names are stored in a sqlite3 database.
>
> I think when I would write a small programm I could receive the names
>
> per folder from that database. But how do I tell darktable "please
>
> import this folder and use this name"or "please import this folder use
>
> this name and use this geo-location"
>
> [...]
>
>
> When I'm calling darktable using 

Re: focus-follows-mouse in DT UI (Re: [darktable-user] Reversing history stack paste.)

[August Schwerdfeger]

For the particular issue I raised, changing how widget focus is handled
would not really fix it properly -- without confirmation dialogs or some
other safety mechanism for the "discard" and "paste all" commands, it would
still be possible to, effectively, destroy one's database with a single
keystroke or click.

--
August Schwerdfeger
aug...@schwerdfeger.name


On Fri, Mar 31, 2017 at 12:26 PM, I. Ivanov  wrote:

> The simple point is - DT can be catastrophic in certain cases.
>
> As the original question pointed - if the user intends to copy / paste
> metadata information and instead copy / paste image stack - even by
> accident - the results can be drastic and very unpleasant.
>
> If you have 1000-2000 images - all corrected and then just editing the
> metadata - 2 cases can happen - wrongly override the history stack (and
> never notice) then all corrections are wrong - so you can end up printing
> wrong pictures. Or wrongly override history stack and notice it - then
> invest hours or days to figure out what image should be where on the
> correction state. Either case is very much not acceptable.
>
> FYI - I do edit metadata last as considerable amount of images are
> discarded and the metadata do vary from image to image with some common
> parts in it.
>
> So - while DT takes extreme care to preserve the RAW file - it leaves the
> .XML side cart very vulnerable to a user mistake. In my opinion it would be
> very nice to have some change of behavior to be safer.
>
> Regards,
>
> B
>
> On 2017-03-31 10:10 AM, Colin Adams wrote:
>
> On Fri, 31 Mar 2017 at 17:58 Pascal Obry  wrote:
>
>> Colin,
>>
>> > In darkroom, using the film-strip to select the photo to be edited.
>> > If I press a Function key to set the colour label, or a numeric to
>> > set the star rating, the setting is made on the photo which has the
>> > mouse pointer over it in the film strip. Not the selected photo (i.e.
>> > the one visible in the darkroom).
>> > This seems wrong to me, and causes me problems. I've NEVER want to
>> > set the rating for a photo that is not visible in the darkroom.
>>
>> This looks like a feature to me and I use it this way to mark multiple
>> photos very close with the same rating and/or color.
>>
>
> Whereas to me it's a bug.
> A simple solution to make everyone happy is to make it a configurable
> option.
>
>
>
>> > Here's another. In the lighttable, the Image information in the left-
>> > hand pane shows the information for the photo under the pointer. Not
>> > the selected photo. In this case, I can't see any other behaviour
>> > makes sense, as there maybe multiple selections.
>>
>> Again, this is a feature. Quite handy.
>>
>> I understand that you may not like it but it is quite convenient to
>>
> I said I can't see that any other behaviour makes sense, so I don't know
> why you think I don't like it. (I do get confused by it sometimes).
>
>
>> look for information on some picture quite fast without having to
>> select them.
>>
>> The problem with the UI and behavior is that we have all a different
>> way to see things.
>>
>
> So configuration options can tackle that.
>
> 
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Re: [darktable-user] Reversing history stack paste.

[August Schwerdfeger]

I do have backups, but from a user-interface perspective, better than
re-mapping key bindings would be to add the option for confirmation dialogs
on the "discard" and "paste all" commands. Such dialogs are already
provided for much less destructive commands such as "remove," "move," and
"copy"; why not the history stack operations?

--
August Schwerdfeger
aug...@schwerdfeger.name

On Thu, Mar 30, 2017 at 7:58 PM, I. Ivanov  wrote:

> This happen to me too. Sadly accident like this is way too easy to happen.
>
> Not an immediate solution but something to consider in the future...
>
> I had a backup
>
> https://www.crashplan.com/en-us/
> https://store.crashplan.com/store/ - the price for one computer is decent
> for unlimited backup and sophisticated encryption and my images are on NAS
> but I am still managing with 1 computer license.
>
> Alternatively - you can have backup only on the xml side carts with
> something like the build in backups (ubuntu has it - likely the rest of the
> distributions will have something). This should not use too much storage.
>
> on a long term - if you don't have some sort of backup - you may want to
> re map the hot keys. I haven't done it yet but given the experience most
> likely will do it.
>
> Regards,
>
> B
>
>
> On 2017-03-30 08:45 AM, Pascal Obry wrote:
>
>> Le jeudi 30 mars 2017 à 10:39 -0500, August Schwerdfeger a écrit :
>>
>>> The problem with using "discard" is that it wipes out the images'
>>> whole previous history stacks (which I want), not just the unwanted
>>> parts added by the paste.
>>>
>> There is no undo in the lighttable yet, so you need to undo manually by
>> opening each image.
>>
>> Regards,
>>
>>
> 
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Re: [darktable-user] Reversing history stack paste.

[August Schwerdfeger]

The problem with using "discard" is that it wipes out the images' whole
previous history stacks (which I want), not just the unwanted parts added
by the paste.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Thu, Mar 30, 2017 at 10:31 AM, Tom  wrote:

> In lighttable mode select the images and click Discard in the History
> Stack module.
>
>
> On Thu, 30 Mar 2017 10:08:37 -0500
> August Schwerdfeger  wrote:
>
> > Recently I had about 40 images selected for editing of metadata, and
> > tried to copy-paste some text into the description field.
> >
> > My mouse pointer being incorrectly positioned, the Ctrl+V was instead
> > interpreted as a history-stack "paste all" command, resulting in an
> > unwanted addition to the history stacks of all the selected images.
> >
> > Is there any way of reversing this other than going into darkroom
> > mode and removing the pasted section of the stack on each image
> > individually?
> >
> > --
> > August Schwerdfeger
> > aug...@schwerdfeger.name
> >
> > 
> 
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[darktable-user] Reversing history stack paste.

[August Schwerdfeger]

Recently I had about 40 images selected for editing of metadata, and tried
to copy-paste some text into the description field.

My mouse pointer being incorrectly positioned, the Ctrl+V was instead
interpreted as a history-stack "paste all" command, resulting in an
unwanted addition to the history stacks of all the selected images.

Is there any way of reversing this other than going into darkroom mode and
removing the pasted section of the stack on each image individually?

--
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Re: [darktable-user] Re: Export for web - downscale

[August Schwerdfeger]

According to the manual section on exporting images [1]
<http://www.darktable.org/usermanual/ch02s03s12.html.php>, you should be
able to do this entirely with Darktable -- you can use the "Max size"
option for downscaling and the "Style" option for applying additional
sharpening, etc., during the export.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Mon, Mar 27, 2017 at 8:48 AM, Sascha Oleszczuk 
wrote:

> Hi All
>
> no recommendation until now.
> How do you export your images for web?
>
> Thx
>
> 2017-03-24 19:47 GMT+01:00 Sascha Oleszczuk :
>
>> Hi,
>>
>> how do you export your images for web?
>> Do you downscale / resize them during export with darktable?
>> Or do you downscale them with darktable + append an extra sharpening
>> style?
>> If yes how are the settings of your sharpening style? Sharpening or local
>> contrast or high pass or equilizer? and what are the values?
>> Or do you export in full resolution and you use another software for
>> downscaling?
>>
>> Thx in advance
>> Sascha
>>
>
>
> 
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Re: [darktable-user] One color + b&W ? How to ?

[August Schwerdfeger]

I did something similar recently with a photo of a bright orange fish in
muddy water. To desaturate the water while leaving the fish as-is, I used
the "color correction" module with a parametric mask that excluded the
fish's hue (using the "input" slider on the "h" tab in the parametric mask
settings).

--
August Schwerdfeger
aug...@schwerdfeger.name

On Mon, Jan 16, 2017 at 9:30 AM, Anton Aylward 
wrote:

> My Sony camera has a "picture" setting that produces an image that brings
> out
> one primary color and makes the rest of the scene B&W.You've probably
> seen
> this kind of effect in advertising.
>
> The downside of using this in-camera option is that it (a) only works for
> the 3
> primary colours and (b) only works in JPG mode, not RAW.
>
> I prefer to use RAW and post-process since I can also do things like deal
> with
> skylines and shadows, so I wonder how I would do this in DT after I've
> done that
> basic processing.
>
> If this is a single discrete object such as a red sport scar in the midst
> of
> otherwise banal traffic, such a I've seen in adverts, then its easy enough
> to
> crop.  But there are many situations where the colour you want is
> distributed,
> perhaps the green of trees on a street scene.
>
> As I say, this only works for primary colours.  I can think of a few
> photographs
> I've got where I'd like to apply this technique but the color I want to
> bring
> out isn't primary.
>
> Other then simply killing the green and blue in a color profile, what can
> I do
> about the sport car scene?  or red and blue in the trees in the street
> scene?
>
>
> --
> Rule of Feline Frustration:
>When your cat has fallen asleep on your lap and looks utterly
>content and adorable, you will suddenly have to go to the bathroom.
> 
> 
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Re: [darktable-user] keywords

[August Schwerdfeger]

When exporting an image from Darktable, the resulting file includes not
only all the image's tags/keywords, but all its history stack metadata,
its original filename, etc. The only way I have found to address this is
to run 'exiv2', or a similar package, over the exported files as a
post-process, to filter out unwanted tags and remove the other metadata.

--
August Schwerdfeger
aug...@schwerdfeger.name


On 01/07/2017 12:26 AM, I. Ivanov wrote:
> Hi Guys,
>
> I noticed that DT includes some of my tags as keywords in the exported
> .jpg
>
> Can we control what exactly to be considered keyword? On some sites
> like google+ I can see some keywords are marked as #test for example
> and other keywords are just "test" (without the commas). Is there a
> proper way to tag the images in DT so photo sharing sites can read
> them as key words and understand that these are the keywords?
>
> On the other side - a lot of my tags are for my own photo organization
> like bb|2015|family etc. and these are not of too much benefit to be
> used as "keywords" by sites. So if possible I would avoid including
> them as keywords.
>
> How are you handling the keywords?
>
> Regards,
>
> B
>
> 
>
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Re: [darktable-user] want to move from iPhoto to darktable

[August Schwerdfeger]

As I understand it, film rolls in Darktable correspond directly to
filesystem directories, so if you want new names for the film rolls you
will need to rename the directories.

--
August Schwerdfeger
aug...@schwerdfeger.name

On 12/21/2016 02:17 PM, Georg Troska wrote:
> Hello Hanatos,
>
> I already tried my first importing on the dataset of the last year:
>
> in iPhoto my photos are stored on a yearly basis followed by a daily
> basis (e.g. 2016/31.10.2016/1.NEF).
>
> So when I am importing the folder 2016 recursively I will get as many
> filmrolls as there are folders in 2016 with the names of the folders.
> It would be very nice if the dates would be replaced by the names that
> I used in iPhoto. In iPhoto these names are stored in a sqlite3
> database. I think when I would write a small programm I could receive
> the names per folder from that database. But how do I tell darktable
> "please import this folder and use this name"or "please import this
> folder use this name and use this geo-location"
>
> Most of picuters are RAW (I'm using an old Nikon D50). Additionally
> there are many photos I did before I figured what RAW is :-) and a
> photos from the iPhone (all JPG)
>
> importing 2000 pics worked in less than 3 minutes. I think performance
> is not a problem here.
>
> When I'm calling darktable using a folder as parameter you say it will
> import this folder. What will be the name of the filmroll? Can I set
> it manually?
>
> Georg
>
>
> On 21.12.2016 20:50, johannes hanika wrote:
>> hi,
>>
>> On Thu, Dec 22, 2016 at 8:43 AM, Georg Troska
>>  wrote:
>>> Hi everybody,
>>>
>>> I've been using Apples iPhoto since its beginning. I think now its
>>> the time
>>> to move to a better system like darktable.
>>>
>>> As I'm really familiar with iPhoto now, so maybe I just do not
>>> understand
>>> the mechanism how photos are arranged in darktable:
>>>
>>> I tried to import the "Originals" folder from my iPhoto-Library, but
>>> I do
>>> not get a clou how I can use the filmroll concept in a usefull way
>>>
>>> I think the filmrolls do have the meaning of events in iPhoto.. right?
>> hm. i have no idea about iphoto, so can't tell.
>>
>>> So what can I do to import my library to darktable? Is there a way
>>> to create
>>> filmrolls from the cli? I think I could manage to acquire the
>>> information
>>> from the sqlite3.db of iPhoto when using ruby. How can I apply
>>> further data
>>> (e.g. the modified fotos) to darktable.
>> you can import recursively (there's a checkbox for that if you're
>> importing with the dt gui).
>>
>> may i ask what kind of pictures that is? all jpg? different raws?
>> recursive import can be very slow on big collections and be very
>> frustrating if there is one corrupted picture that crashes the whole
>> process.
>>
>>> What I'm searching for is a shell-command like:
>>>
>>> darktable-import --filmroll  --modified  --geotag 
>>> >> files>
>> no clue what your options there suggest in terms of functionality. you
>> can call darktable with a folder as argument, it will be imported.
>>
>> cheers,
>>   jo
>> 
>>
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Re: [darktable-user] dt & arguments from command line in Mac OS X ?

[August Schwerdfeger]

Try it without the 'open' at the beginning of the command -- you should be
able to execute that binary directly.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Mon, Nov 28, 2016 at 12:17 PM, J Albrecht  wrote:

> Thank-you August.  I’ve just tried this:
>
> open /Applications/darktable.app/Contents/MacOS/darktable -d control |
> egrep "dpi|ppd"
>
> but was greeted with:
>
> open: invalid option -- d
>
> It appears that the not all Unix options carry-over to Mac OS X. Hence, I’m
> still unable to run the app from the Command Line with and additional
> arguments
>
>
>
> On 28 Nov 2016, at 13:06, August Schwerdfeger 
> wrote:
>
> % /Applications/darktable.app/Contents/MacOS/darktable
>
>
>


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Re: [darktable-user] dt & arguments from command line in Mac OS X ?

[August Schwerdfeger]

I have been able to do this by executing the actual binary within the
application package:

% /Applications/darktable.app/Contents/MacOS/darktable [parameters]

--
August Schwerdfeger
aug...@schwerdfeger.name

On Mon, Nov 28, 2016 at 11:51 AM, J Albrecht  wrote:

> I frequently see many suggestions of starting the program using the
> command line if problems are encountered.  Whereas I can invoke the program
> thus when working in Mac OS X (ie “open /Applications/darktable.app” ), I
> have no success when trying to do this with additional arguments such as,
> for example:  “ open /Applications/darktable.app -d control |
> egrep “dpi|ppd” “
>
> Could somebody please provide some guidance?
>


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Re: [darktable-user] Re: darktable 2.0.x library

[August Schwerdfeger]

I have found that Darktable's performance depends far less on the overall
number of *images* in the database than on the lexical properties of the
*tags* in the database. I have one database with well over 50,000 images,
with which I notice no performance problems, and another database with
about 3,000 images, with which any operation involving tags is so slow as
to render Darktable nearly unusable.

The difference, so far as I have been able to determine, is that the images
in the smaller database each have a tag to identify the subject, resulting
in an image/tag relation with a different structure to the usual.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Wed, Sep 21, 2016 at 1:46 PM, Frank J.  wrote:

> Am 21.09.2016 um 20:00 schrieb Pascal Obry:
> ..
> > Strange since some of us have far more than 50k images. It was even
> > reported by a user that he had 100k images IIRC.
> >
> > Maybe he reached an issue with the "old" mipmap cache?
> >
> > Not sure, but to me dt is fast for everything.
> >
>
> I have nearly 50K on my system.
> I've no problems with watchching or developing my photos.
>
> Export or creating thumbs is a bit slow because it's only an i3 with
> graphics on board, no GPU. A'm working to change this soon ..
>
> Slowest part, I think, is the tagging.
> Maybe I'm tagging too much: place, persons, event, ...
>
> For my old slide-scans I tag also film-type and camera-model, cause they
> have no exif-data.
>
> DT try to give my some intelligent suggestions while tagging.
> For example: when I tag (the german word for) "house-cleaning", DT
> suggests to tag also the name of my wife  ;-)
>   - really!
>
> DT trys to analyse "pairs of tagging". The database-table "tagxtag" has
> 2.2 Million entries for my 45K pictures.
> Typing in the tag-mask seems to freeze the programm. I have to wait many
> seconds.
> I would like to switch this feature off for faster work.
>
> --
> Frank
>
>
> 
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Re: [darktable-user] Lesson request

[August Schwerdfeger]

If I need to lighten shadow areas of an image without blowing out
brighter areas, I generally use the "Shadows and Highlights" module --
it is usually just a matter of turning it on and adjusting the "shadows"
slider.

--
August Schwerdfeger
aug...@schwerdfeger.name

On 07/28/2016 09:22 PM, Michael wrote:
> Riley, I would like to see a lesson on using masks and dodge if you
> could. Here is the situation a realtor hired me to take photos of a
> house so right after he gave me the job  I grabbed my trusty camera
> and started experimenting trying to get the inside of a room and the
> view from the window as well. In  my experiments I discovered that if
> I focus on the window scene and use the fill flash I could get what I
> wanted. Well, the next day I forgot what I had figured out and drove
> out there (80 miles one way) took the photos (they looked fine in the
> LCD) drove 80 miles back and opened them in my computer to discover
> they were dark. I forgot to use the flash! (stupid head injury) I
> asked the guy who got me into darktable how I could lighten them but
> not lighten the window scene (which would blow them out) and he told
> me to dodge them but wouldn't tell me how to do that. I did what I
> could withthe photos and am just hoping the client accepts them. (I
> don't want to drive back there)
>
> On Wed, Jul 20, 2016 at 12:53 PM, Erwin Burema  <mailto:e.bur...@gmail.com>> wrote:
>
> Hi,
>
> Made a video about the new CLUT module
> 
> http://www.darktable.org/2016/05/colour-manipulation-with-the-colour-checker-lut-module/
> (note currently only available with git master development version)
>
> https://www.youtube.com/watch?v=m_cLCL5PJk4
>
> Sound is somewhat bad (turned down the recording volume a bit to
> much) but hope some people still find this usefull
>
> Kind Regards,
>
> Erwin aka Dutch_Wolf
>
> 
> 
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>
>
>
>
> -- 
> :-)~MIKE~(-:
>
> 
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Re: [darktable-user] Delays when collecting images by tag.

[August Schwerdfeger]

Looking into this further myself, I found that the problem is fairly easily
reproducible even without my specific database.

I have attached a set of 1,000 generated sample images, containing 2,111
tags among them, with no more than 10 per file. To reproduce the problem,
import these images into a freshly created Darktable database, select the
"tag" option in the "collect images" panel, and watch Darktable spin its
wheels.

I have also attached the Python script used to generate the sample images.

--
August Schwerdfeger
aug...@schwerdfeger.name


On Tue, Mar 15, 2016 at 11:54 PM, August Schwerdfeger <
aug...@schwerdfeger.name> wrote:

> I tried starting up Darktable using a fresh configuration directory and
> new database file and rebuilding the problematic database from XMP sidecar
> files. This did not fix the problem.
>
> --
> August Schwerdfeger
> aug...@schwerdfeger.name
>
> On Tue, Mar 15, 2016 at 3:56 PM, KOVÁCS István 
> wrote:
>
>> A missing index?
>>
>
>


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#!/usr/bin/python

# (C) 2016 August Schwerdfeger

# This script:
#   1. creates a directory (by default 'TestImages' in the current working
#  directory);
#   2. populates it with a given number of image files (by default 1000)
#  with names of the form 'DSC_abcd.png', where 'abcd' is a decimal
#  number between 0 and ;
#   3. uses the exiv2 library to tag each image with a set of several
#  hierarchical tags ('Filename|Contains|X' for each distinct substring
#  X of 'abcd') and the corresponding set of non-hierarchical tags.
#
# The image copied to generate these image files is by default a 1x1 PNG
# image with a black pixel, but this can be changed with the '--baseImage'
# command-line option.
#
# The script requires version 0.25 of the exiv2 library due to an issue
# with the assumed type of the 'Xmp.lr.hierarchicalSubject' tag (see
# http://dev.exiv2.org/issues/784 for details).
#
# If the set of images thus generated is imported into a new Darktable
# database, Darktable will become very sluggish and use large amounts
# of CPU and memory at any interaction involving the "tag" option in
# the "collect images" panel.

import argparse
import os.path
import shutil
import sys

import gi
gi.require_version("GExiv2","0.10")
from gi.repository import GExiv2

# This is a 1x1 PNG image with a black pixel.
DEFAULT_BASE_IMAGE = "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52\x00\x00\x00\x01\x00\x00\x00\x01\x08\x02\x00\x00\x00\x90\x77\x53\xde\x00\x00\x00\x0c\x49\x44\x41\x54\x08\xd7\x63\x60\x60\x60\x00\x00\x00\x04\x00\x01\x27\x34\x27\x0a\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82"

def generateTestImages(baseImage,toDir,n):
ext = os.path.splitext(baseImage)[1] if baseImage else ".png"
for i in range(n):
strI = "%04d" % i
if baseImage:
filenameI = os.path.join(toDir,"DSC_%s%s" % (strI,ext))
shutil.copy(baseImage,filenameI)
else:
with open(os.path.join(toDir,"DSC_%s.png" % strI),"w") as fp:
fp.write(DEFAULT_BASE_IMAGE)

def generateTags(baseImage,toDir,n):
ext = os.path.splitext(baseImage)[1] if baseImage else ".png"
for i in range(n):
strI = "%04d" % i
filenameI = os.path.join(toDir,"DSC_%s%s" % (strI,ext))
metadata = GExiv2.Metadata(filenameI)
metadata.register_xmp_namespace("http://purl.org/dc/elements/1.1/","dc";)
metadata.register_xmp_namespace("http://ns.adobe.com/lightroom/1.0/","lr";)
hierarchicalTags = set([])
tags = set(["Filename","Contains"])
for j in range(len(strI)):
for k in range(j+1,len(strI)+1):
hierarchicalTags.add("Filename|Contains|%s" % strI[j:k])
tags.add(strI[j:k])
metadata.set_tag_multiple("Xmp.dc.subject",sorted(list(tags)))
metadata.set_tag_multiple("Xmp.lr.hierarchicalSubject",sorted(list(hierarchicalTags)))
metadata.save_file()

def main(args):
baseImage = args.baseImage
toDir = args.toDir
imageCount = args.size

if baseImage and not os.path.exists(baseImage):
print >> sys.stderr,"Base image %s does not exist" % baseImage
return 1
if os.path.exists(toDir):
print >> sys.stderr,"Images directory %s already exists" % toDir
return 1
if imageCount > 1:
print >> sys.stderr,"The generation of more than 10,000 

Re: [darktable-user] Delays when collecting images by tag.

[August Schwerdfeger]

I tried starting up Darktable using a fresh configuration directory and new
database file and rebuilding the problematic database from XMP sidecar
files. This did not fix the problem.

--
August Schwerdfeger
aug...@schwerdfeger.name

On Tue, Mar 15, 2016 at 3:56 PM, KOVÁCS István  wrote:

> A missing index?
>


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[darktable-user] Delays when collecting images by tag.

[August Schwerdfeger]

I have been experiencing some odd delays when using Darktable's "collect
images" panel to collect images by tag. Any other sort of image-collection
operation (e.g., by film roll or color label) finishes pretty much
instantly, but anything to do with tags (even selecting the "tag" option in
the panel or changing a color label on an image in a tag-based collection)
causes the application to become non-responsive for seconds at a stretch,
consuming large quantities of CPU and memory in the interim.

I can reproduce this behavior with more than one Darktable version (1.6.9,
2.0.2) and operating system (Fedora, OS X). However, it only occurs with
one specific photo database -- I have another database with ~25 times the
number of images and about the same number of tags, and collection by tag
works normally with that.

Can anybody hazard a guess as to what is causing this and/or how to work
around it?

--
August Schwerdfeger
aug...@schwerdfeger.name


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