Before the rush

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by evan-pak

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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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2
votes
2answers
68 views

What is the difference between global tone mapping and curve?

I am in the process of learning post-processing, using darktable. I have a couple of pictures shot in RAW with lots of contrast in them (for instance, dark passages with bright sky). Now, in getting ...
2
votes
1answer
73 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
0answers
115 views

How can I preserve library structure (and ideally, edits) when migrating from Aperture to Darktable?

I've got a fairly large (>150GB) photo collection, comprising loads of RAW photos, currently sitting between three or four Aperture libraries. Given how much time and effort have been put into making ...
4
votes
1answer
134 views

Darktable - save/export module presets?

I've reproduced some toning presets in Darktable to mimic a Windows plugin called B/W Styler. Is there a way to save/export module presets, and then import them into Darktable on a different machine (...
2
votes
1answer
97 views

Is it possible to shape an image in a non-rectangular shape?

Recently I had to crop an image in a circular shape for a composition. Since I usually use Darktable and I also had to edit some details of the image, I tried to do it directly with it. Nonetheless, ...
2
votes
1answer
98 views

In Darktable, is there a way to bind a keyboard shortcut to 'History Stack - Discard'?

Sometimes I like to see how various Darktable styles look on a particular image. As far as I've been able to discover, the only way to "undo" a style after it's been applied - apart from manually ...
2
votes
1answer
105 views

How can I load, edit, and overwrite jpg files with Darktable?

This is a follow up to a question asked on askubuntu: http://askubuntu.com/questions/708759/color-adjustment-for-100-jpg-files-fast-workflow-for-savenext I want to do manual color adjustment for 100 ...
3
votes
1answer
150 views

How do I compare setting values in RawTherapee and darktable?

Taking baby steps in photo editing, I'm trying out RawTherapee and darktable. They seem to use wildly varying scales for various variables, and even in some variables: The Black option, for ...
9
votes
4answers
763 views

How can I avoid circular banding artifacts in clear skies when de-noising?

I photograph in RAW, and convert using Darktable. Camera happens to be Nikon D40, 55-200mm lens. For a small number of photos, especially of clear blue skies, I cannot reduce noise without introducing ...
1
vote
4answers
371 views

Why does raw to jpg conversion differ in different editors?

I just started using RAW files (to be more correct I set my camera to RAW+JPG). Then I opened the raw file in RawTherapee and without doing any changes I exported it in jpg next to the jpg file ...
2
votes
1answer
67 views

Darktable - Rotate picture in lighttable mode using shortcut

I can't rotate a picture in the lightable mode through the shortcut. It seems that by default the shortcut is bracketleft/right but even if I change this, still doesn't work. It is highly necessary ...
1
vote
1answer
43 views

Is it possible to increase the maximum tethering sequence count in Darktable?

I'm using Darktable 1.4.2 on Ubuntu to take a sequence of photographs, but it seems the maximum count I can set is 500. Is there a way to change this?
4
votes
1answer
122 views

How to handle lens name mismatch between Darktable / exiv2 and Lensfun?

Darktable doesn't recognise my Panasonic 12-32mm pancake on my Olympus E-M10 due to a mismatch of the exif LensType and lensfun modelname. exiv2 -pt 20150824_0143.ORF | grep -ai lens Exif.OlympusEq....
1
vote
2answers
1k views

Why do RAW images in Darktable have a lot of noise?

I installed the latest version of Darktable from the Ubuntu PPA from their homepage (1.6.8). When I import RAW ges from a folder they all seem to have a lot of noise. I opened the exact same images ...
3
votes
1answer
190 views

Darktable on multiple machines

What is the best way to organise a large photo library that needs to be accessed on two laptops (both my wife and I are editing pictures). Possibilities: store the library.db along with the files on ...
3
votes
1answer
105 views

How can I load images from second internal HD in Darktable on a Mac?

Since Aperture has stopped development, I have sought an open source alternative for my workflow. I am interested in Dark Table, but I can't navigate to my second internal HD. The file picker doesn't ...
1
vote
0answers
55 views

What does darktable noiseprofiling read_pfm parameters mean?

I'm trying to analysis darktable. I'm windows user. I found the usage of darktable like as following on noiseprofile.c. usage : input.pfm [-c a1 b1] Here, I want to know the c and a1 and b1. Q1....
4
votes
2answers
1k 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 ...
0
votes
1answer
66 views

How can I get a pfm image?

I'm trying to analysis the darktable. So this is need pfm image file for noiseprofiling. But I'm windows user so I can't get any some kind of pfm files. Does anyone please give to me pfm image file? ...
4
votes
3answers
2k views

How to add lensfun 0.3.0 db to darktable on ubuntu?

I tried the approach suggested by Torsten Bronger in How do I add lens correction for my model+lens to Lensfun in Darktable? (extracting the xml files from 0.3.0 tar and overwriting in /usr/share/...
2
votes
1answer
796 views

How do I add lens correction for my model+lens to Lensfun in Darktable?

Camera: Olympus OMD EM-10 Lens: Olympus M.Zuiko Digital 14-42mm f/3.5-5.6 EZ Darktable: 1.4.2 My raw's are showing a lot of distortion with the above lens that I try to correct using the Lens ...
2
votes
1answer
250 views

Preparing/using a camera color profile using IT8 target on Linux/Darktable

In my photo processing workflow I use Darktable to handle the CR2-to-TIFF/JPEG conversion, however I frequently struggle with getting the colors right. As the first step toward correct colors I am ...
2
votes
1answer
198 views

Darktable: How to edit level on each RGB channel?

In order to fix blue haze on some pictures I usually use Gimp and correct the levels for each channel as describe here for photoshop. I know in darktable we can correct the levels but not for each ...
1
vote
1answer
876 views

Why does Darktable show D5300 RAW (.NEF) in pink in darkroom?

I just installed Darktable, in lighttable mode my raw files are shown proper but in darkroom it shows pinkish. e.g. File https://dl.dropboxusercontent.com/u/33211952/dsc_0013.nef Screenshot ...
4
votes
1answer
131 views

Is there a way to 'lock' an image's history stack in darktable?

Does anyone know if there a way to prevent accidental modification of images in darkroom view once happy with the image? I was working through an image's history stack the other day to see what I ...
1
vote
1answer
181 views

Is it possible to control sliders of darktable from tablet?

I have a 10" android tablet and 15" laptop. Darktable and GIMP is installed on my linux laptop. Controlling sliders/curves etc of darktable /GIMP from mouse is not efficient, for me at least. I see ...
4
votes
1answer
851 views

How to change which modules are auto-applied in Darktable?

When I open a raw file in Darktable sharpening and a base curve are automatically applied. How do I alter this? I would like to add lens correction.
5
votes
2answers
1k views

Darktable - How to do localized editing with masks?

I have started using darktable in a linux machine for photo editing (new to it). Darktable has a mask feature which allows you to create masks on a image. http://www.darktable.org/2013/04/masks/ I'...
0
votes
2answers
302 views

how can I invert brightness (not colors) in darktable 1.4.2?

I want to invert the brightness in a RAW. I do not want to invert the colors, only the brightness of the colors. Can I do that in darktable 1.4.2, and if yes how? Edit: By inverting brightness, I ...
4
votes
2answers
224 views

Darktable: Is it possible to select only modified images in Lighttable view?

In Darktable, in the Lighttable view, is it possible to select/view only images that have been edited?
2
votes
2answers
1k 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 ...
3
votes
1answer
257 views

Can I use Darktable to export unmodified JPEGs without recompression?

To give you context: I shoot in JPEG Import into Darktable Edit some of the pictures Export all the photos for archiving as JPEG That's fine for images I've tweaked. But it would be nice if the ...
5
votes
1answer
638 views

Are there predefined profiles in Darktable to instantly give RAWs some necessary punch?

I am just starting using Darktable 1.4 under Mac OS X 1.4. Before I was using Raw Therapee. What I liked about Raw Therapee are the profiles it ships with, especially as the RAWs that come out of my ...
6
votes
2answers
1k views

Why does the appearance of RAW files change when switching from “lighttable” to “darkroom” in Darktable?

In Darktable, when extracting RAW and JPG from the camera and viewing them using lighttable mode, both look identical. Does this mean that they both contain post-processing done by the camera ...
0
votes
1answer
545 views

have accidentally taken 130 RAW shots with ISO sensitivity 10000, all noisy, now what?

... now what, Darktable or Lightroom? I have taken 30 shots indoors at artificial light at ISO 10000. On the live view display of the camera they looked great, now on the monitor, in the fullscreen ...
5
votes
2answers
964 views

Is there any Linux software that can import picasa.ini edits?

I accumulated years of edits over my photographs in Picasa. Picasa works as a non-destructive editor, so it doesn't change the original files but saves all modifications in its database and in picasa....
6
votes
4answers
2k views

Why does Darktable export enormous JPEGs?

I have a Nikon D3200 and just started shooting in Raw. Raw files are 18-24mb, and if I convert them to JPEG using Nikon's ViewNX 2, I get 8-12mb files at the top quality and resolution using sRGB; ...
8
votes
2answers
1k 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 ...
10
votes
2answers
5k 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.
12
votes
2answers
11k views

How does Darktable compare to Adobe Lightroom for editing JPEGs?

I mostly modify JPG images taken from my Nikon camera. How does Darktable compare to Adobe Lightroom for this purpose?
15
votes
4answers
4k views

Good workflow to review and delete photos with Darktable?

I've just got a new camera, which I have already started taking a lot of photos with. Hard drive space isn't THAT cheap, and I would like to get a work-flow together to quickly go through images, ...
3
votes
1answer
953 views

How to get rid of dead/stuck pixels in a chdk generated DNG?

I am using a canon ixus 300 HS camera and configured it to shoot RAW (DNG) by using CHDK (version: 1.0.0-1825; latest build for ixus 300 HS). At first sight, all seems ok and the DNG's are generated ...
0
votes
2answers
11k views

RAWtherapee vs darktable for Linux [closed]

As an Ubuntu user and a beginner photographer, which of these programs (RAWtherapee or darktable) would give me the best head start and has the most user friendly interface? The emphasis in this ...
9
votes
5answers
18k 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:...