15
votes
Accepted
Why doesn't noise reduction have any effect in Rawtherapee?
You can only preview noise reduction in RT when you zoom image to 100%, even in latest version.
Many other tools have same limitations for previewing, they are marked with small "1:1" label near ...
- 4,159
7
votes
Accepted
Why is exposure correctable in RAW
Very good question :0)
When you expose your image you have more detail than you can normally see on a normal monitor. This is more a limitation of the display technology than the raw sensor.
This ...
- 22.4k
7
votes
Are my RAW photos underexposed?
Always trust the histogram. Unless you diligently adjust the rear LCD brightness every time the ambient lighting changes significantly, you cannot really rely on that. It does sound like you have the ...
- 1,646
7
votes
How to get a full-screen preview of a cropped area in RawTherapee?
I just discovered a way to do this. I'm using RawTherapee 4.2, but from your screenshot, I think this feature is in the version you used, too. It's in the toolbar just to the top right of the image. ...
- 142k
7
votes
Accepted
How to undo all changes to an edited image in RawTherapee?
Switch to the File Browser view and find your image. Right click on the little green check mark and select "Processing profile options" followed by "Clear". That will reset the sidecar file to the ...
- 5,083
6
votes
Accepted
Why does the same raw image look different in Rawtherapee than in geeqie & DSLR preview and how to get the same preview as geeqie
It looks like rawtherapee is showing you the RAW image with a very flat base curve
When a program displays a RAW image, it must map the full range of pixel values storable in the 16-bit raw to the ...
- 2,326
5
votes
Seeing a lot of noise when editing in RAW
The noise is present in the original file.
What you have done with your choice of settings is amplified it. Noise is mostly present in dark areas but you have basically applied gain to those areas ...
- 102k
5
votes
Accepted
Why are histograms in Entangle and RawTherapee so different?
Entangle shows the histogram of the JPEG image embedded in the RAW file, in logarithmic scale. RawTherapee, on the other hand,
shows the histogram in linear scale,
shows the histogram of its pre-...
- 560
5
votes
Accepted
How can I edit this photo in RawTherapee to increase the details in both the subject and the background clouds?
As noted in comments, look into layering.
I did this in Photoshop, as I don't have Raw Therapee. You could do the same in Gimp etc.
Select the bird & separate it to a new layer, by copy/paste. ...
- 22.1k
4
votes
Why doesn't noise reduction have any effect in Rawtherapee?
Many previews in image editing applications are just that - previews. To get an exact view of what many effects and settings applied to an image will look like you should export the image with the ...
- 173k
4
votes
How to undo all changes to an edited image in RawTherapee?
RawTherapee, and other raw processors, usually create sidecar files containing the edits you've made. If you delete the sidecar file while RawTherapee is closed, the next time you open the image, ...
- 26.8k
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 ...
- 6,543
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 ...
- 26.8k
4
votes
How can I edit this photo in RawTherapee to increase the details in both the subject and the background clouds?
Well, I've used somewhat wonky exposure curves (they go back down after an initial steep rise), changed the white balance and put the wavelet transform tab to work, adding a lot of contrast on the ...
- 926
3
votes
Accepted
Sharing rating between Digikam and Rawtherapee
As far as I know, there is currently no way to translate PP3 to XMP sidecars, or vice versa.
And developers are often reluctant to adapt their program to read data written by another program, ...
- 3,141
3
votes
Where Can I Find Lens Correction Profile Files (for RawTherapee and Other Apps)?
On Windows, they can be found at:
X:\Program Files\Adobe\Adobe Lightroom\Resources\LensProfiles\
On Mac, they should be here:
Applications/Adobe Photoshop Lightroom X/Right-click Show Package ...
- 55
3
votes
How to reduce color noise in Darktable?
In Darktable 3.X (I'm using 3.8), I get very satisfying results for removing color noise completely and the remaining grain reasonably by using a single instance of Denoise (profiled) set to mode: ...
- 131
3
votes
Accepted
How do I compare setting values in RawTherapee and darktable?
Well, for the example screenshots that you posted, the RawTherapee "exposure" controls consist of a number of things which darktable dedicates several distinct modules to.
The "exposure" slider in ...
- 5,374
2
votes
Accepted
Why does raw to jpg conversion differ in different editors?
You can get different JPEGs from the camera, depending on the camera settings.
In many ways, raw converters are like film developers. It would not be reasonable to expect exactly the same results ...
- 2,031
2
votes
Why is exposure correctable in RAW
Exposure can only be corrected as long as there is som information left in the raw data.
You can make a nearly white pixel somewhat less bright, and stretch the difference between some almost equally ...
- 6,986
2
votes
Accepted
Using rawtherapee to create an image like a DSLR camera in bracketing mode
It depends what you're trying to achieve from bracketing.
There's three basic variables that set your exposure - shutter speed, aperture and ISO.
Shutter speed and aprerture both have optical ...
- 624
2
votes
What corrections does MS Camera Codec Pack apply?
Few (if any) of the codecs in the pack were built by Microsoft. They've been supplied to Microsoft by the camera makers to be repackaged in the same way that most device drivers are not written by ...
- 9,539
2
votes
In RawTherapee noise removal, why does noise apparently come back if I zoom out?
Rawtherapee switches to a "low quality" rendering mode at zoom levels below 100%, in which some filters - such as sharpening and noise removal - do not run.
Incidentally, other filters such as ...
- 13.5k
2
votes
Accepted
How to get a full-screen preview of a cropped area in RawTherapee?
Now (version 5.8), you can tick "Automatically zoom to fit the crop" option in the tab Preferences>Image Processing>Crop Editing
- 36
2
votes
Why are histograms in Entangle and RawTherapee so different?
A RAW image is not an image by itself, it is a set of data that must be processed is some way to get an image. So you can't have the histogram of the RAW image as it doesn't exists and yes, two ...
- 609
2
votes
Accepted
Enhance snowy mountain detail (high-frequency high-contrast) in RawTherapee
What I tried to do was to:
Improve contrast but pull highlights and push shadows
Get exposure a bit up for a more vibrant look
Not introduce artifacts
To me, the out-of-camera JPEG looks really, ...
- 6,467
2
votes
Sharing rating between Digikam and Rawtherapee
There are several XMP tags that DigiKam writes for ratings, but the most important one will be:
xmp:Rating="0" // values 0 (none) to 5
digiKam:ColorLabel="0" // values 0 (none) ...
- 6,467
2
votes
What does SaturatedOpacity mean in Rawtherapee?
After a bit more code review, the SaturatedOpacity value in the sidecar file seems to correspond to:
Color -> Color Toning -> Opacity
-> Saturation Protection -> Strength slider/field entry
...
- 5,083
2
votes
Raw therapee lens/geometry correction Sony a6100
The "Sony E 16-50mm f/3.5-5.6 OSS PZ" lens is listed in lensfun's database as supported starting with version 1.534, but it does not yet appear that there's an entry for the Alpha 6100. If you visit ...
- 5,083
2
votes
Most compatible RAW format for Linux users?
This question was asked at a time when CR3 was not yet supported in darktable. It has been supported since 3.8.0.
A more general answer to this question is that there is an automatically generated ...
- 452
Only top scored, non community-wiki answers of a minimum length are eligible