Provided by: darktable_2.6.0-1_amd64 bug


       darktable - a digital photography workflow application


           darktable [options] [IMG_1234.{RAW,...}|image_folder/]


           --cachedir <user cache directory>
           --conf <key>=<value>
           --configdir <user config directory>
           -d {all,cache,camctl,camsupport,control,dev,fswatch, input,lighttable,
               lua,masks,memory,nan,opencl, perf,pwstorage,print,sql}
           --datadir <data directory>
           -h, --help
           --library <library file>
           --localedir <locale directory>
           --luacmd <lua command>
           --moduledir <module directory>
           --noiseprofiles <noiseprofiles json file>
           -t <num openmp threads>
           --tmpdir <tmp directory>


       darktable is a digital photography workflow application for Linux, Mac OS X and several
       other Unices.

       The application is designed to ease editing and consistent processing of large photo
       sessions and provides an easy to use digital lighttable and a set of sophisticated post-
       processing tools.

       Most processing is done in 32-bit floating point per channel mode in device independent
       CIE L*a*b* color space.  darktable is also fully color managed, which gives you full
       control over the look of the photos.

       The application relies on a modern plugin architecture thus making it easy for 3rd party
       developers to extend the existing capabilities of the application.  All lighttable and
       darkroom features are implemented as plugins, so you can create your plugins reusing
       existing code.  Most workflow specific things can also be scripted in Lua.


       IMG_1234.RAW or image_folder/
           You may optionally supply the filename of an image or the name of a folder containing
           image files.  If a filename is given darktable starts in darkroom view with that file
           opened.  If a folder is given darktable starts in lighttable view with the content of
           that folder as the current collection.  If there is already an instance of darktable
           running (using the same library) the image or folder will be opened there, using D-Bus
           to communicate between the two processes.

       --cachedir <cache directory>
           darktable keeps a cache of image thumbnails for fast image preview and of precompiled
           OpenCL binaries for fast startup.  By default the cache is located in
           "$HOME/.cache/darktable/".  There may exist multiple thumbnail caches in parallel -
           one for each library file.

       --conf <key>=<value>
           darktable supports a rich set of configuration parameters which the user defines in
           "darktablerc" - darktable's configuration file in the user config directory.  You may
           temporarily overwrite individual settings on the command line with this option -
           however, these settings will not be stored in "darktablerc".

       --configdir <config directory>
           This option defines the directory where darktable stores the user specific
           configuration.  The default place is "$HOME/.config/darktable/".

       -d <debug option>
           This option enables debug output to the terminal.  There are several subsystems of
           darktable and debugging of each of them can be activated separately.  You can use this
           option multiple times if you want debugging output of more than one subsystem.

           A few of those debug options are:

               Enable job queue debugging.  If you redirect darktable's output to control.log and
               call ./tools/ control.log, you will get a nice control.svg
               with a visualization of the threads' work.

               This will give you a lot of debugging info about the thumbnail cache for
               lighttable mode.  If compiled in debug mode, this will also tell you where in the
               code a certain buffer has last been locked.

               Use this for performance tweaking your darkroom modules.  It will rdtsc-measure
               the runtimes of all plugins and print them to stdout.

           all Enable all debugging output. In general this is not very useful.

       --datadir <data directory>
           This option defines the directory where darktable finds its runtime data.  The default
           place depends on your installation.  Typical places are
           "/opt/darktable/share/darktable/" and "/usr/share/darktable/".

           Prevent darktable from initializing the OpenCL subsystem.  Use this option in case
           darktable crashes at startup due to a defective OpenCL implementation.

       -h, --help
           Show the available command line options and exit.

       --library <library file>
           darktable keeps image information in an sqlite database for fast access.  The default
           location of that database file is "$HOME/.config/darktable/library.db".  You may give
           an alternative location, e.g. if you want to do some experiments without compromising
           your original library.db.  If the database file does not exist, darktable creates it
           for you.  You may also give ":memory:" as a library file in which case the database is
           kept in system memory - all changes are discarded when darktable terminates.

       --localedir <locale directory>
           The place where darktable finds its language specific text strings.  The default place
           depends on your installation.  Typical places are "/opt/darktable/share/locale/" and

       --luacmd <lua command>
           A string containing lua commands to execute after lua initialization.  These commands
           will be run after your "luarc" file.

           If lua is not compiled in, this option will be accepted but won't do anything.

       --moduledir <module directory>
           darktable has a modular structure and organizes its modules as shared libraries for
           loading at runtime.  With this option you tell darktable where to look for its shared
           libraries.  The default place depends on your installation; typical places are
           "/opt/darktable/lib/darktable/" and "/usr/lib/darktable/".

       --noiseprofiles <noiseprofiles json file>
           darktable's profiled denoise module uses camera specific profile data that gets loaded
           from an external JSON file.  With this option the file to be loaded can be changed to
           allow testing alternative profiles.  The default profile file is "noiseprofiles.json"
           and is typically found in "/opt/darktable/share/darktable/" or

       -t <num openmp threads>
           darktable uses OpenMP to parallelize many computation steps and make use of all the
           available CPU cores.  With this option you can specify the number of threads to use.
           Valid values are between 1 and 100.

       --tmpdir <tmp directory>
           The place where darktable stores its temporary files.  If this option is not supplied
           darktable uses the system default.

           Show the darktable version along with some important build options and exit.


       All modes

       l   Switch to lighttable view

       d   Switch to darkroom view

       t   Switch to tethered capture view

       m   Switch to map view

       s   Switch to slideshow view

       p   Switch to print view

       .   Switch between lighttable and darkroom views


       F11 Switch between fullscreen and normal modes of the application's window

       Esc Leave fullscreen mode

           Show/hide header

       Tab Show/hide sidebars

       Lighttable mode

       g, Shift-g
           Navigate to top, bottom row

       PageUp, PageDown
           Navigate one page up, down

       '   Scroll center

       Down, Left, Right, Up
           Scroll down, left, right, up

       z   Preview image

           Preview image with focus detection

       F1, F2, F3, F4, F5
           Color labels: toggle red, yellow, green, blue and purple

       1, 2, 3, 4, 5
           Star rating

       0   Strip all stars

       r   Mark as rejected

       l   Realign images to the grid

           Zoom in on first visible image

       Alt-2, 3
           Adjust zoom

           Zoom out completely

           Select all images

           Select no images

           Invert selection

           Duplicate image

       Ctrl-g, Ctrl-Shift-g
           Group/ungroup selected images

           Remove image from collection

       Ctrl-c, Ctrl-Shift-c
           Copy all, selected history

       Ctrl-v, Ctrl-Shift-v
           Paste all, selected history

           Toggle selection of an image

           Select an image

           Export currently selected images

           Jump back to the previous collection

           Open a popup to quickly tag an image

           Import a folder

           Jump to the filmroll of an image

       Darkroom mode

       Alt-1, 2, 3
           Zoom to 1:1, fill, and fit, respectively

           Show/hide filmstrip

       Space, Backspace
           Step to next, previous image

           Export current image

       Ctrl-c, Ctrl-Shift-c
           Copy all, selected history

       Ctrl-v, Ctrl-Shift-v
           Paste all, selected history

       o   Toggle show of over- and under-exposure

           Toggle gamut check

           Toggle softproofing

           In Crop & Rotate module, commit the crop

       [, ]
           In Flip module, rotate 90 degrees ccw, cw

       <, >
           When drawing masks, decrease, increase brush opacity, respectively

       {, }
           When drawing masks, decrease, increase brush hardness, respectively

       [, ]
           When drawing masks, decrease, increase brush size, respectively

       Tethered mode

           Show/hide filmstrip

       v   Toggle live view

       Map mode

           Show/hide filmstrip



       Filmstrip (when the cursor is on top of the filmstrip)

       F1, F2, F3, F4, F5
           Color labels: toggle red, yellow, green, blue and purple

       1, 2, 3, 4, 5
           Star rating

       0   Strip all stars

       r   Mark as rejected

           Duplicate image

           Select all images

           Select no images

           Invert selection

       Ctrl-c, Ctrl-Shift-c
           Copy all, selected history

       Ctrl-v, Ctrl-Shift-v
           Paste all, selected history

       Slideshow mode

           Start/stop playback




       Please visit darktable's website for news, blog and bug tracker:

       <> The complete darktable usermanual.

       darktablerc.html An overview over all default config settings.  The default place depends
       on your installation.  Typical places are "/opt/darktable/share/doc/darktable/" and


       Please use the bug tracker on
       <> to report bugs, feature
       requests and so on.


       The principal developer of darktable is Johannes Hanika.  The (hopefully) complete list of
       contributors to the project is:

       * developers: Roman Lebedev, Pascal Obry, Tobias Ellinghaus, Stefan Schöfegger, Peter
       Budai, Ulrich Pegelow, johannes hanika, parafin, Alexandre Prokoudine, Aldric Renaudin,
       Edouard Gomez.

       * translators: Pascal Obry, Ger Siemerink, Tobias Ellinghaus, Maurizio Paglia, Timur I.
       Davletshin, Alexandre Prokoudine, mepi0011, Báthory Péter, Jeronimo Pellegrini, Matjaž
       Jeran, shlomi braitbart, Aurélien PIERRE, Heiko Bauke, Josep V. Moragues, Marko Vertainen,
       Michel Leblond, Milan Knížek, Novy Sawai, Ragnar Wisløff, Tomasz Golinski.

       * contributors (at least 4 commits): Aurélien PIERRE, rawfiner, edgardoh, Dan Torop, Ger
       Siemerink, Matthieu Moy, Maurizio Paglia, Andreas Schneider, Heiko Bauke, Rikard Öxler,
       Timur I. Davletshin, Benoit Brummer, Philippe Weyland, grand-piano, luzpaz, Mario Lueder,
       Robert Bridge, mepi0011.

       * RawSpeed contributors (at least 1 commit): Stefan Löffler, Stefan Hoffmeister, parafin,
       Robert Bieber, Tobias Ellinghaus, Matthieu Volat, Shita Yuuma, Stefan Schöfegger, luz.paz.

       And all those of you that made previous releases possible

       This man page was written by Alexandre Prokoudine <> and
       Richard Levitte <>.  Additions were made by Tobias Ellinghaus


       The project was started by Johannes Hanika in early 2009 to fill the gap (or, rather, a
       black hole) of a digital photography workflow tool on Linux.


       Copyright (C) 2009-2017 by Authors.

       darktable is free software; you can redistribute it and/or modify it under the terms of
       the GPL v3 or (at your option) any later version.