Questions tagged [darktable]

darktable is an open source photography workflow application and RAW developer. Apply this tag to questions about using darktable to process and enhance your image files. Do not use this tag to ask questions about general software support, such as how to install the software on a particular system.

Filter by
Sorted by
Tagged with
0
votes
1answer
82 views

Why are thumbnails bad, when jpgs are good, with raw processed with darktable?

I'm using darktable to process my raw photos and save the final jpg's. I'm on ubuntu linux. From some of the jpg's, gthumb gets thumbnails which are far lighter than the original jpg, and the same ...
1
vote
0answers
35 views

After exporting from Darktable, I continue getting a message stating, “IMG…CR2 file is currently unavailable”

I'm about 2 weeks new to darktable. I (almost) successfully imported, edited & exported my current project. When I was done editing in darktable, I noticed that about 32 photos didn't export into ...
5
votes
4answers
1k views

Where are these maze-like noise patterns coming from in this tit photo? [duplicate]

I was just editing some tit photos I made on our balcony, and I found really strange patterns of noise over the bird's feathers: The photo is from Nikon D5600, settings 85mm F4.0 1/1000 ISO 160 These ...
1
vote
0answers
43 views

How to go back to a snapshot after moving elsewhere in history?

I was editing my photo in DarkTable. I took a snapshot and then went back in the history and tried to use a different approach to editing my photo. My new approach looked worse than the snapshot of my ...
1
vote
0answers
128 views

How can I create a LUT on Linux with free and open source software? [migrated]

I use Linux for everything media production. I shoot RAW and process images with Darktable. Now that I've started making videos too (4K ProRes), I need to apply a LUT to them in post. This requires ...
4
votes
1answer
113 views

Darktable: zoom impacts exposure?

I just have observed a strange behavior in Darktable (Fedora 32, darktable-3.2.1-1.fc32.x86_64): when looking at the image with 'fit screen', it is much darker than the 100% view. After saving the ...
2
votes
1answer
91 views

Darktable film rolls — how to remove a film roll from 'collect images'?

darktable: I have begun using this app. One question, how are unwanted fill rolls removed from 'collect images'. There are several fill rolls I created from folders that I no longer want to keep in ...
2
votes
0answers
114 views

Why does darktable's shadows and highlights module invert this image?

I've recorded a screencast of the issue here. I have a test image that I made so I could see how various modules in Darktable effected the histogram: I import this image in darkable and switch on ...
2
votes
0answers
20 views

Problem with masks: why gradual decay shape always grows under Shift-scroll?

I have troubles understanding how to use masks in Darktable. I'd like to adjust the difference between a mask and the corresponding gradual decay shape. However, when I Shift-scroll, the gradual ...
0
votes
1answer
39 views

Darktable : using a style to deactivate a an operation when exporting a file

I usually set a watermark on my photos and I would like to be able to deactivate sometimes the watermark when I am exporting files from the light table. Long ago, with an old version of Darktable, I ...
3
votes
1answer
69 views

Darktable : Module group icons from darkroom is missing! unable to get them back!

Darktable : Module group icons from darkroom is missing! Not sure if I pressed some shortcut... Unable to get them back after many ties (tried deleting the dbs from the setting folder) I am running ...
3
votes
1answer
295 views

Darktable : Compare before and after quickly

Is there a way to quickly compare before and after in Darktable? I know how it can be done using the snapshot panel, but is there a way to do it faster?
2
votes
1answer
109 views

Colors consistency between RAW pictures for timelapse in Darktable

Why do I get different colors while applying the same exact history to every pictures in Darktable. It was my understanding that the white balance setting of the camera didn't matter to a RAW file and ...
3
votes
2answers
3k views

CR3 Format in darktable

Since I can't afford Lightroom, I figured I would use darktable. As I wanted to import my RAW - files (in CR3) I realized that darktable doesn't support them. Is there a way I can still get my RAW - ...
1
vote
1answer
63 views

How do sync a tree of photos in Darktable so it picks up additions/deletions?

I am new to Darktable and trying to use it to manage a large tree of RAW images. I've recursively imported the root of the tree already. It's now displaying the directory names in the lighttable view ...
1
vote
2answers
468 views

Darktable: apply camera's filters, lens correction and crop by default in darkroom mode

I have a Sony Alpha mirrorless camera. When I preview my photos from the lighttable, they look like they do on the camera. But when I open in darkroom, the aspect ratio, lens correction and color ...
3
votes
2answers
232 views

Remove color range (to black) in Darktable

I'm quite new to DarkTable, I'm trying to learn but I can't spot how to do what I want and can't find it in the tutorials. I have taken some light painting photos, there is an overcast night sky in ...
1
vote
1answer
142 views

Some darktable modules create hot pixel “sparkles”. Is this a bug, or am I using it wrong?

I'm just getting started with Darktable 3.0.0 processing some RAW files out of my Canon 6D MkII. One odd thing I noticed is that some of the modules seem to create hot pixel-like "sparkle" artifacts ...
2
votes
2answers
118 views

How do I open an older collection in Darktable?

I see a list of collections in the left sidebar in Darktable, and now I wanna open one of the older ones, but I don't see it in the list. How would I go about opening it? Am I supposed to just "...
1
vote
1answer
122 views

How to check lensfun version on Fedora

I was just about to make calibration files for my Tamron 90mm SP but according to lensfun it was added in 1.613 (there is only one SP 90mm and it's the same as the one I have in EXIF). How can I check ...
3
votes
1answer
398 views

Workflow and colorspaces in Darktable and GIMP for printing images?

I have started to print out some of my photos, but this has lead me down a path where I do not know if I am doing things correctly, and are asked questions I do not know the answers to. Here goes: I ...
1
vote
1answer
107 views

How do I generate linear output from darktable? [closed]

How do I use the basecurve in Darktable to make sure that the final output is linear? That is, if the irradiance E is received at the front lens, I want the pixel values in the final values to be k*E, ...
3
votes
2answers
229 views

Darktable losing wanted night sky detail when exporting to JPEG

I took some night sky photos and messed around a bit in Darktable (Windows) to make the stars pop. The problem is that the exported JPEG dulls out the stars, even though I am exporting at 100% quality....
2
votes
2answers
465 views

Converting adobe lens correction for lensfun / darktable

I'm trying to import Adobe's lens profiles to lensfun (for use with darktable). I'm using darktable 2:2.6.2-1 on Arch Linux installed through pacman, which brought down lensfun 0.3.2-7. (I'm not ...
2
votes
3answers
320 views

Is it legal to download Darktable in European countries? [closed]

The functionality of Darktable is very good so I thought I would switch from Lightroom to Darktable. Can I download it in Germany or any other European countries which have strict legal standards for ...
4
votes
2answers
112 views

How to create smooth transition between styles in a time-lapse using Darktable?

I'm having fun with making time-lapses and I'm using Darktable for color correction. The problem I have is that for the scenes like a sunset where the beginning and the end of the time-lapse are of ...
2
votes
1answer
368 views

How to export using all my CPU cores / GPU

I'm using Draktable and it takes a long time to export all my images. Something like a few hours since there are plenty of images. As I'm monitoring my CPU usage, I do see Darktable making use of my ...
12
votes
2answers
2k views

Remove color cast in darktable?

I'm playing with Darktable, coming from Photoshop, and though I really admire most of its features, there is one thing I cannot seem to wrap my head around. In Photoshop, I can easily remove color ...
3
votes
2answers
207 views

Is this posterization? How to avoid it when stretching histogram?

Last weekend I took some photos in the mountains, where I can't control the light, nor the movement of the subjects. Some of the photos had very little contrast and brightness, and were a bit ...
0
votes
1answer
1k views

Using Darktable, how to batch convert from RAW to another supported format

I've notice on other answers there are ways to use the History Stack in Darktable to batch convert a bunch of RAW images. However, since I really only want to use Darktable to export a lot of RAW ...
1
vote
3answers
494 views

darktable-cli fails because of locked database file

I'm using darktable-cli to export photos from my library. I started to get an error with the latest version(2.6.1). It's a segmentation fault with error [init] the database lock file contains a pid ...
3
votes
2answers
1k views

Apply imported style by default in Darktable

I just learned that visualizing RAW images is not as trivial as I thought. As good a job Darktable do to provide good default setting for all camera, those presets are not perfect. I found online some ...
6
votes
1answer
491 views

How do I fix the color in this photo using Darktable to match the out-of-camera JPEG?

I'm trying to learn to use Darktable effectively. That's why over the weekend, in the middle of a massive cleaning and organizing task at home, I took a minute to shoot this compositional disaster of ...
1
vote
2answers
383 views

Where do I turn to learn how to process images effectively?

Emphasis here on the word effectively. As I've been digging through lots of Questions and Answers here, I've found lots of examples of astonishing results of image processing of RAW files like these. ...
1
vote
1answer
320 views

How can a specific lens in darktable be selected which is mounted using an adapter?

Is it possible to select a specific lens in darktable (2.6)? When my camera is detected by darktable the lens correction module offers only e-mount (sony native) lenses. I'm using a few old Minolta ...
1
vote
1answer
514 views

Darktable : quickly visualize several styles

I have downloaded a series of darktable styles and I want to quickly visualize interactively the output of each one on a picture by clicking on one style after the other. I thought that I would be ...
0
votes
1answer
653 views

CR2 files “Currently unavailable”

Only recently when I tried to import my Canon 700D CR2 photos, they appear in the lighttable section but when I select and click darkroom I receive an "....image is currently unavailable". I'm ...
1
vote
2answers
534 views

Strange behaviour in darktable - image inconsistent

I am using darktable 2.6 on Windows 10. This problem started recently. After importing a raw image, when I change anything (exposure, contrast, etc), the preview temporarily resembles the jpg photo. ...
3
votes
1answer
2k views

Dealing with RAW + jpg collections in Darktable: I only want to export processed RAW

If I have a bunch of pictures transferred from a camera, where the camera was set up to do RAW+jpg, I can click the "G" button in Darktable to "group" the RAW and JPEG images together in the "...
5
votes
3answers
4k views

Can I crop to an exact size in Darktable?

I am trying Darktable for raw processing, and I want to crop an image to an exact size (e.g., 1280x720), specifying the content to retain by moving the rectangle around after it's sized. This is ...
0
votes
1answer
523 views

darktable “lighttable” view: how to show only one of each JPG or raw image in a directory?

I've just installed the 2.4.x (latest) Darktable on a new Ubuntu 18.04 PC. On my old machine (Ubuntu 16.04), when I'd open a directory full of .jpg and raw files from a camera memory card, the "light ...
2
votes
1answer
179 views

Is it possible to hide the histogram in Darktable?

In the darkroom section of darktable, the histogram takes up a huge amount of vertical space. Is there any way to hide or move it?
1
vote
2answers
1k views

How do you reset Darktable on Windows

I'm having trouble with Darktable on windows, and I'd like to reset it. I tried uninstalling and reinstalling, but it seems to remember which photos I've been using still. Is there a config file I ...
4
votes
3answers
313 views

Where does this noise come from and how to get rid of it

I am using Darktable as my RAW processing software. In darker pictures that have been taken with an ISO of 800 or more, I frequently encounter great issues with luminance noise. The following two ...
6
votes
2answers
732 views

How can I remove dead links in Darktable?

Because of moving or renaming directories the paths to my photos changed. How can I automatically remove all dead links so that the missing photos aren't displayed (marked with a skull) anymore?
7
votes
2answers
4k views

Lens correction in darktable when my lens isn't known?

I took some raw (CR2) photos and want to edit them in darktable. The focal length is quite low and the distortion high. Usually I correct the distortion by using darktable's lens correction module ...
2
votes
2answers
200 views

How to activate module sliders in Darktable with keyboard?

On a laptop I prefer to adjust module sliders with the keyboard instead of using the touch-pad and clicking. Better control. But giving focus to a slider is quite a pain, can only be done with the ...
0
votes
1answer
318 views

AfterShot Pro 3 generating artifacts with OpenCL GPU use?

I discovered an artifact on a shot when I printed a large blowup of a tight crop. Initially I thought, "Oh no, I have a camera problem!" Further experimenting demonstrated that the artifacts are ...
3
votes
1answer
917 views

Why are blown-out highights pink instead of white in Darktable?

I switched to Linux and started using Darktable as my RAW processor. It is great and I love all of its functions. Lately I've tried to do some HDR shots and I noticed that the parts which are blown ...
5
votes
3answers
555 views

How can I achieve turquoise in Darktable?

I'm new to Darktable but I have my workflow in Lightroom. My main style is turquoise color (based on blue) and I wanted to do that in Darktable but I cannot manage to do it. How I do it on ...