13
votes
How can I physically rotate a digital photo under Linux?
You can use cross-platform open source software jhead, with the options
jhead -autorot *.jpg
Which losslessly rotates the images based on the embedded rotation ...
10
votes
Local version of "White balance" in GIMP to clean up photo of document
I assume you have a gradient in overall brightness due to unevben lighting. If that's the case, what you could do is to duplicate the layer with the image and apply the best correction to each part of ...
7
votes
How can I physically rotate a digital photo under Linux?
The command line program jpegtran can losslessly rotate JPEGs on Linux. From the command line:
jpegtran -rotate 90 MyJpeg.jpg > MyJpegRotated.jpg
If you don'...
7
votes
How can I update the firmware on my Godox gear on a Mac (OSX) or Linux computer?
OSX-only options
G3 / F3
Godox/Flashpoint has released an OSX version of the G3/F3 updater. However, as of 2023, it only supports updates for the following devices:
AD100/200/300/400/1200 Pro
V1
...
6
votes
Accepted
Is it possible to shape an image in a non-rectangular shape?
Every image format (JPEG, PNG, TIFF, etc.) that I know of can only represent rectangular images. This means that unless you define your own image format, this simply cannot be done.
The only thing ...
6
votes
Accepted
Simple Tool or script to sort in folders and by date RAW images in linux?
Exiftool reads many raw formats.
You can use a command similar to this one to rename your photo files :
...
6
votes
Entry-level Linux compatible DSLR
Most every DSLR/SLT/DSLM - certainly major brands like Canon, Nikon, Sony, Pentax - saves to SD or CF cards in a standard format, and additionally supports USB mass storage protocol, you DO NOT NEED ...
5
votes
Accepted
Will Photoshop run on Linux?
In the past when attempting to install Photoshop on Linux, I've had little success. In reality there is probably no foolproof solution that will allow Photoshop to run without any problems, though ...
4
votes
How to use pfstools to create OpenEXR files from command line on Linux/Mac?
Just guessing (I've never used pfstools, but I once maintained a man page set as a technical writer), you could probably use pipes and commands like the following example:
...
4
votes
Accepted
I accidentally shot in 12 bit instead of 14 bit, and my pictures are green and underexposed. How can I compensate/convert?
As written in the comments (see http://rawtherapee.com/forum/viewtopic.php?f=3&t=5406) the issue is not intrinsic to 12 bits, but it is caused by a wrong interpretation of the RAW data by dcraw (...
4
votes
Accepted
How can I physically rotate a digital photo under Linux?
In current Linux Mint you should have had Image Magick installed.
Use the -auto-orient option.
convert -auto-orient source.jpg target.jpg
Note: This operation ...
4
votes
Any way to use Nik Software under Linux?
I published a small open-source application for using Nik Collection plugins on Ubuntu. The app compiles both under Linux and Windows, but it is recommended to compile Windows version and use under ...
4
votes
Accepted
From Linux shell, how to batch-remove dust from images using scan of dust?
Dust removal using a dust mask can be done with G'MIC with the "Inpaint [Multi-Scale]" filter. The easiest way to use G'MIC is as a plugin for GIMP, Krita, or Paint.NET. However, it is available as a ...
4
votes
Accepted
How to get Shotwell to see Rawtherapee edits to RAW images?
If I view an image in Shotwell, and choose "Open in RAW Editor", make an edit, then go back to Shotwell, how do I get Shotwell to then show the edited image?
You probably can't. The RAW editors like ...
4
votes
Most compatible RAW format for Linux users?
It takes some time for developers to support raw files from new cameras, even though they may share the same file extension as raw files from previous cameras.
Many Linux raw processing programs use <...
4
votes
Accepted
Darktable 3.4 module order does not match that of pixelpipe
The order the modules appear in the history stack depends on the editing steps you make in the UI. The history is a versioning of your edits, a simple revision system. This cannot be compared and isn'...
3
votes
Hardware calibration for Eizo Monitor on Linux / Ubuntu without ColorNavigator?
According to Eizo, this is not possible.
I've had a lengthy conversation with a very friendly Eizo technican in
October 2016, concerning the monitor CS2420. I would expect this to
hold true for all ...
3
votes
How can I physically rotate a digital photo under Linux?
The reason for the error is probably that the photo dimensions (2150, 3226) are not multiples of 8. Then a jpeg photo cannot be rotated totally lossless.
Why it's complaining about the 65500 pixels ...
3
votes
Accepted
How to make a JPG files DCF compatible? (command line)
Finally, with lots of help on the Internet, including the suggestion by @StarGeek, I got it to work. The required tools are:
ExifTool
ImageMagick
You also need a photo taken with the camera, here:
<...
3
votes
Linux desktop software to create photo albums
...which has useful tools such as dragging and dropping, easy swapping out of photos, resizing, and many good-looking templates.
This sounds like a subset of functions that desktop publishing ...
3
votes
Leica Q2M JPG files cannot be read by any of my Ubuntu (21.10) image software
I've concluded that this is a hardware issue. An external USB card reader works properly; there's nothing wrong or unusual about the files involved.
The machine is a fairly old (2013) Dell Inspiron 15&...
Community wiki
2
votes
Linux software for stacking and RAW processing
Take a look at the Discover Astronomy page over at Linux.com, which gives a comprehensive list.
2
votes
Linux software for stacking and RAW processing
Take a look to Siril. This is a powerful astronomical tool dedicated to (pre)processing operations. Siril can read many RAW file formats.
2
votes
Preparing/using a camera color profile using IT8 target on Linux/Darktable
First, as to whether you'll want to shoot an IT8 target as often as you would a white balance target, the answer is "probably not". Getting a good IT8 shot involves significantly more consideration ...
2
votes
Is there Linux software to automatically sharpen appropriately for a given print size?
Unfortunately I can't help you with regards to software recommendations, however keep in mind that to obtain good sharpness on print you will need to take into consideration the paper type - gloss / ...
2
votes
Hardware calibration for Eizo Monitor on Linux / Ubuntu without ColorNavigator?
Check Argyll CMS/DisplayCal. I think it does not support HW calibration, though.
Check the color management forum at luminous-landscape.com. Best source of information about display calibration (...
2
votes
is there a catalogue in lightroom of all photos that can be used for migration?
one method could be -
Create a new catalog pointing to all your photos, if you have one main parent folder, just import it. This will be the catalog of all your photos.
You can then copy the catalog ...
2
votes
Updating metadata in Darktable
I've been doing some experimenting and it seems that the basic problem is with the way I was using digiKam.
In Configure - digiKam / Metadata / Behaviour there are several settings for reading and ...
2
votes
Accepted
What Linux software might deliver a better default rendering of a Nokia 1020 dng file than an old version of darktable?
Well, as @vclaw pointed out, one alternative would be the current version of darktable... another would be RawTherapee. I grabbed one of the RAW/jpeg sets presented here and exported the default ...
2
votes
Hardware calibration for Eizo Monitor on Linux / Ubuntu without ColorNavigator?
Eizo ColorNavigator 6 and ColorNavigator NX are available for Linux but only for Red Hat Enterprise Linux/CentOS 6. Eizo mention Linux here and there on their website but they do not provide direct ...
Only top scored, non community-wiki answers of a minimum length are eligible
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