ART (the software) news

still works as expected here… can you provide more info (AboutThisBuild.txt), maybe show a little video of how you got there if possible? Edit: specifically, what version of Exiv2 are you using?

It is completely my fault. I have a raw default profile where the perspective correction is enabled. A 105 mm focal length being set in the default profile , ART doesn’t read the real exif focal length.
Sorry for the disturbance.

@agrigio I had the same problem as in the Thidigikam-image-orientation-when-exporting thread. It happened on a recent Windows build of both programs, when using Digikam to geotag my images, the tiff:orientation="8" tag was added to the xmp sidecars, and when esporting to jpg from ART, the jpg inherited from this tag, making them wrongly rotated (both the Windows file explorer and XNViewMP show the jpg’s with a wrong rotation). I had to use a batch script to remove the culprit line in the xmp sidecars before exporting to jpg to have ART produce files with the right orientation.
I don’t know which part is behaving bad, probably either exiv2 or digikam? Or is it up to the raw converter to make sure the tiff:orientation="8" line is not read and used to set the jpg orientation?

I’ll take a look. can you upload an xmp with the relevant tag? or tell me how to do this in digikam – I don’t know how myself :slight_smile:

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Here’s one of those xmp’s, look line 45:
DSCF1540.RAF.xmp (3.3 KB)

It happens to images shot in portrait orientation, the exif tag written to the exported jpeg for the orientation is “270 CW”.
I just tested in linux, with Geeqie, XnViewMP, and Showfoto, they show the jpg with the wrong orientation.

@agriggio if you want to try adding geotags to an image from digikam:

  1. first make sure in the preferences that digikam writes metadata only to sidecars, not into the item itself
  2. select one or several images to tag
  3. Click on Item > Edit geolocation (shift+ctrl+G)
  4. Below the map, make sure “Marble virtual Globe” is selected, and for more precision choose “OpenStreetMap”
  5. Right click over the location you shot the image (or wherever you want for testing purpose) and click “Copy Coordinates”
  6. Select the image(s), right click and choose “Paste coordinates” then click on the “Apply” button.

This will generate an XMP sidecar with GPS coordinates… but also with the “tiff:Orientation=8” tag.

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Hi Sebastien,

should be fixed now. Thanks for reporting!

Fix confirmed, thanks Alberto!


Won’t it be useful to implement capture sharpening (in combination with RL deconvolution) as simplified by Heckflosse ?


Currently ART doesn’t have a specific “capture sharpening” tool, but since ART has a different pipe than RT, maybe the effect of the RL sharpening method in the “Detail” tab has a similar effect as capture sharpening (@agriggio will correct me). In addition, RL sharpening in ART only has 3 controls and one of these controls has a check box for auto radius calculation (and its code comes form the latest RT code).
Anyways, I just tried to compare the latest changes in RT’s capture sharpening and ART’s RL sharpening, and frankly the difference is quite small in my opinion (I did the tests on images from an x-trans sensor).

Here are 2 comparisons:

  1. Test scene:
    RT Capture sharpening (default settings):

ART RL sharpening default, except amount = 60

  1. Real scene:
    RT Capture sharpening (default settings)

ART RL sharpening default, except amount = 100

Thanks for your interest, that’s a good news. I really appreciate ART software. I downloaded the real scenes for comparison, and effectively both are indistinguishable. Could you provide the raw file so that i see what I am able to do ?

What @sguyader said is essentially correct. I have no plans of including a separate capture sharpening tool, but I have incorporated many of its ideas (with the fundamental help of @heckflosse – thanks!) in the standard RLD sharpening of ART. I think you should be able to get similar results with the two

I shared that raw file some time ago here: Trying to emulate Adobe's clarity in RawTherapee - #37 by sguyader

Thanks a lot. I realized that I am used to set too high values to radius parameters.

The updated french translation, taking into account line 1185 and 1886 of default file.Français.txt (146.4 KB)


Just a quick question: are there regular Windows exes of ART posted somewhere?

I don’t think so, sorry. there is this

but I’m not sure it’s kept up-to-date. I can generate a Windows build from time to time if there’s some interest, but I don’t have the time/energy to set up a nightly build service…

Except periods when I am out home, here:


André’s builds: ART-W64NightlyBuilds/ –

Edit: he was faster than me

Sorry, I wasn’t clear earlier. I’m looking for an installer package. Unless these nightly builds are easy to install. Are they? Can I just run the exe like a portable installation?