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.

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7
votes
2answers
9k views

How can I get a uniform white balance on a batch of JPEG images?

I have shot many photos of the same subject in JPG. Since I have shot for many hours with different light conditions the white balance is quite different for all the shots. I would like to ...
2
votes
1answer
32 views

Why don't the values given by Argyll's scanin match what I see in darktable or Gimp

I'm trying to do a variation of the color profiling flow given in this post about color profiling I take an image of a Wolf Faust it8 target, turn off a bunch of the default processing that darktable ...
3
votes
3answers
93 views

Darktable : using a style to deactivate 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
2answers
86 views

Darktable 3.4 module order does not match that of pixelpipe

Darktable 3.4 manual states here: Note: The order in which processing modules are executed exactly matches the order in which the modules appear in darktable’s user interface. I deleted the ~/....
20
votes
3answers
12k views

How to compare the before and after image in Darktable?

I'm using Darktable to edit photos. There is one option, which I'm still looking for, but it seems to be unavailable or hidden somewhere. How to (after making some changes) preview a source image in ...
2
votes
1answer
89 views

Darktable ignores embedded JPG for preview

I am using Darktable 3.2.1 and I can't get it to use the JPGs embedded in RAW files for preview within Lighttable. There is an option named don't use embedded preview JPG but half-size raw in the ...
12
votes
3answers
1k views

Why is my camera drawing labyrinths on my photos?

On the photos where the lens flare is present, my Nikon D7000 is drawing strange labyrinth-looking artifacts. Here's an example. The first image is a screenshot of a little part of the original photo ...
3
votes
1answer
147 views

How to split my collection in Darktable?

I have a few pretty big collections in Darktable - 500-1000 photos per collection - from when I was starting with all this. Now I'd like to get at least some of them in order, split them up into ...
1
vote
2answers
630 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 ...
13
votes
3answers
2k views

How to edit my RAW photo to make the stars come out more?

I've been taken night photography photos with my Sony A6000 in RAW+JPEG. There should be a lot more potential in RAW, but I can't make it look as visually pleasing as the JPEG. In particular, the ...
3
votes
3answers
5k 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 - ...
5
votes
1answer
181 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 ...
1
vote
1answer
72 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
2answers
114 views

How do I batch apply sidecar files to the corresponding photos by filename in darktable?

I have pretty much the opposite question to this one. I recently needed to upgrade my computer. On my new computer, I still have all of the documents from my old computer, copied over in the same ...
1
vote
1answer
131 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 ...
4
votes
1answer
126 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 ...
1
vote
0answers
50 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
1answer
119 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, ...
2
votes
1answer
353 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
122 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 ...
30
votes
4answers
27k views

How to batch edit a collection of raw files in Darktable?

How do I batch edit a collection of raw files in Darktable? I have tried to research this, but with no luck.
4
votes
1answer
3k views

Updating metadata in Darktable

Bear with me. I've been using Darktable for a while now along with Olympus' own software and digikam for uploading, keywording etc and GIMP for any retouching I can't easily achieve in Darktable. I ...
2
votes
0answers
24 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 ...
2
votes
1answer
219 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?
4
votes
3answers
1k views

Why doesn't updating the datetime in EXIF change it in darktable's “image information”?

I use darktable for my digital workflow. The datetime in some of my images is off by a couple of hours. I changed the datetime in all the relevant tags I could find in the *.NEF using exiv2: Exif....
3
votes
1answer
481 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?
3
votes
2answers
2k 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 ...
2
votes
2answers
126 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 "...
3
votes
2answers
418 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 ...
5
votes
3answers
5k 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 ...
3
votes
1answer
112 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 ...
2
votes
1answer
139 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 ...
1
vote
1answer
91 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 ...
6
votes
2answers
911 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?
11
votes
5answers
20k views

Simple comparison of LightRoom 4, Corel AfterShot Pro, DarkTable

I understand that I should upgrade from my basic workflow (mostly Picasa + some Cyberlink PhotoDirector). edit The basic of what I'm looking into is a step-up, single stop (if possible!) solution to:...
5
votes
1answer
2k views

Can I get Darktable to change the order modules are displayed?

When I do some photo editing, I always have the same workflow: Crop & rotate Adjust white balance Adjust brightness/contrast Fine details I'd like to have module displayed in that order in ...
1
vote
1answer
150 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 ...
2
votes
2answers
811 views

Darktable 2.4 : how to display hidden presets of base curves?

In the base curve module of darktable (2.4), when I push the presets button I can choose among a series of base curves with only two options for Nikon cameras: "Nikon like" and "Nikon Like Alternate". ...
8
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 ...
1
vote
2answers
2k 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 ...
3
votes
1answer
521 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 ...
5
votes
0answers
626 views

How to embed ICC profile in DNG so darktable will use it?

I am experimenting with linear raw DNG and ICC profiles with Darktable. The DNG files are the result of scans using VueScan. I can add the scanner's ICC profile to the DNG. But when I open it in ...
1
vote
2answers
674 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
2answers
300 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....
1
vote
2answers
410 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
3answers
592 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 ...
5
votes
2answers
11k views

How can I reset the history stack for many images at the same time in darktable?

How can I reset the history stack for many images at the same time in darktable? I have edited many pictures. However I want to start from scratch. I understand how I can reset the history stack for ...
8
votes
5answers
2k views

How can I delete files previously removed from Darktable?

I've been removing unwanted images from Darktable by pressing the Del key. I just learned that this isn't deleting the images from my hard drive, only removing them from the Darktable database. How ...
4
votes
3answers
329 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 ...