Re: [darktable-user] Opencl support for DarkTable

Hi, I'm a bit late to the party... On Thu, 30 Jan 2020, 09:37 Alex, wrote: > I’m worried that I might get the wrong one and I won’t get opencl to play > with Dark table. Is there a manufacturer, chipset, model etc I should be > going for, or avoiding? > I've been happy with Nvidia and

Re: [darktable-user] export problem with darktable 3.0

> > Do you use haze removal? > Yes I did. > > > Will the problem still persist if you deactivate it? > > > No it didn't. I have just try to deactivate it and the problem have > disappear. > Then you were probably hit by https://github.com/darktable-org/darktable/issues/4092 >

Re: [darktable-user] export problem with darktable 3.0

Hi, I have to precise the problem didn't appears each time. In fact it appears > rarely. > Maybe you could share a few problematic files, along with the XMPs. If we can't figure it out here, you should file a bug report. Kofa >

Re: [darktable-user] Lab/RGB - the new workflow

I don't think the developers are fighting; browsing the github comments, it seems they agree on the new approach. Aurélien's work would not have been merged of that were not the case. If you read the blog entry for the original filmic, you can find mention of some drawbacks of the base curve:

Re: [darktable-user] export problem with darktable 3.0

On Sun, 19 Jan 2020, 01:18 Guillermo Rozas, wrote: > Hi Marc, > > two quick verifications before going deeper: > And a third: does the export module on the lighttable apply any additional style? Kofa darktable user

Re: [darktable-user] Denoise Profiled SLOW ?

Hi, On a 16-megapixel Nikon raw, with a 12-year-old PC (Core2 Duo, 4 GB RAM), but with a current graphics card (NVidia 1660/6GB) and OpenCL, 'denoise (profiled)' at default settings: 299.756594 [dev_pixelpipe] took 2.312 secs (1.768 CPU) processed `denoise (profiled)' on GPU, blended on GPU

[darktable-user] Lab/RGB - the new workflow

Hi, There's a new article out (French original is here: https://darktable.fr/2020/01/darktable-3-rgb-ou-lab-quels-modules-au-secours/). It has a couple of badly translated module names, e.g. ''Strengthen the sharpness' is simply 'sharpness' on the English UI, but is highly informative.

Re: [darktable-user] Install on Ubuntu 19.10

On Wed, 15 Jan 2020 at 18:35, Gonçalo Marrafa wrote: > I'm not interested in installing the master git snapshot version and just > want the stable release version. Note: you can get tagged versions from Github, not just code from the tip of the master branch.

Re: [darktable-user] darktable :: path settings?

On Wed, 15 Jan 2020, 12:17 Dr. A. Krebs, wrote: > where I can set darktable paths? > > Unfortunately, I did not find s.t. online > . > That's the manual for 2.4. The darktable page links to the more recent 2.6 version. See the

Re: [darktable-user] 3D LUT

Hi, On Tue, 24 Dec 2019 at 09:38, Timur Irikovich Davletshin wrote: > > I believe creator of LUTs is the best adviser in this case. LUTs with > best documentation I have come from ImpulZ (created for video editing). > They define requirements for input color profile (or camera model + >

Re: [darktable-user] location of libopencl.so

Hi, The chain of libraries is described at https://darktable.gitlab.io/doc/en/darktable_and_opencl_system.html#darktable_and_opencl_system On my Ubuntu 19.04: /usr/lib/x86_64-linux-gnu/libOpenCL.so is provided by ocl-icd-opencl-dev /usr/lib/x86_64-linux-gnu/libOpenCL.so.1 is provided by

[darktable-user] 3D LUT

Hi, How does one use the module with film emulations? Which other modules should be used, which ones avoided? Should I just set a correct WB, correct the exposure in a linear way, and add a film emulation? For example, the readme of the Fujifilm emulations from

Re: [darktable-user] Artifacts in exported image

On Wed, 13 Nov 2019, 17:23 Niranjan Rao, wrote: > Darktable version: 2.6.2 on Ubuntu 18.04 > > I am seeing patterns in the sky > To me, it looks like Jpeg compression artifact. It's a high-res photo, yet only about 200 kB. Have you tried exporting into png or tiff to see what the image actually

Re: [darktable-user] darktable 2.6.3 released

On Fri, 25 Oct 2019, 15:19 Archie Macintosh, wrote: > > Unfortunately, there seems to be a problem with the multi-functional > pop ups for sliders: when I right-click on a slider, the > multi-functional popup opens, but then immediately closes, so it isn't > possible to make adjustments or to

Re: [darktable-user] Completely lost in colors (again)

Hi, Maybe I have missed it, but I don't remember you mentioning whether you shoot raw or JPG. For raw, the colour space you set in the camera does not matter (it uses the camera's colour space, so to say). For JPG, it does. So: do you shoot raw or JPG? On Sun, 16 Jun 2019 at 13:14, Kneops

Re: [darktable-user] Completely lost in colors (again)

Hi, On Tue, 11 Jun 2019 at 21:59, Kneops wrote: > I have a Nikon D850 set to Adobe RGB, If you shoot raw, colour space in camera does not matter (raw files record the signal values the sensor measures; it's the job of the input colour profile to tell darktable how to interpret those numbers).

Re: [darktable-user] Re: darktable-cms does not find the profiles

Hi, I've had issues (under different desktops) with having the profile loaded. Now I just use: dispwin -I /path/to/profile.icc to load it and dispwin -V /path/to/profile.icc to verify it has been loaded correctly. dispwin is part of argyll. Kofa

Re: [darktable-user] Export weirdness - odd cropping DT 2.6.1 and DT 2.6.2

blem, please? > > Andrew > On 19/4/19 3:34 pm, KOVÁCS István wrote: > > Hi, > > Maybe you apply a style on export that includes a crop? > https://darktable.gitlab.io/doc/en/export_selected.html > > Kofa > > __

Re: [darktable-user] Export weirdness - odd cropping DT 2.6.1 and DT 2.6.2

Hi, Maybe you apply a style on export that includes a crop? https://darktable.gitlab.io/doc/en/export_selected.html Kofa darktable user mailing list to unsubscribe send a mail to

Re: [darktable-user] DT 2.6.2 on Cosmic

Hi, You can build darktable yourself. Check out the instructions here: https://redmine.darktable.org/projects/darktable/wiki/Building_darktable_26 (Just replace references to 2.6.0 with 2.6.2 and install the required dependencies as described in the Ubuntu section.) Kofa

Re: [darktable-user] Images order in db

Hello, I have to admit I have not followed this discussion closely. I'd like to know why you care about database IDs? In most databases, the IDs are for internal use only, and have no meaning in the real world (they are not tied to time or filename, for example - the technical term is 'surrogate

[darktable-user] Re: retouch, fill, heal

Moved from the -dev list (Lorenzo, if you haven't subscribed to the -users list, please do so). Have you read the manual? To me it sounds like maybe your working on a wavelet scale, not on the image itself. Or, possibly, blending is not done at 100% opacity. You may find the following useful:

Re: [darktable-user] Turning Filmic on an off in 2.6.1 sometimes darkens the image

Good news: someone has raised the issue and Aurelien has already fixed it. https://redmine.darktable.org/issues/12622 darktable user mailing list to unsubscribe send a mail to

Re: [darktable-user] Turning Filmic on an off in 2.6.1 sometimes darkens the image

Hi, On Thu, 14 Mar 2019, 16:43 Kneops, wrote: > Now I think it has to do with the combination Filmic and Exposure. > I've seen this with just a base image (completely erased history) and filmic. In all cases, turning Preserve chromacity off fixed the image and enabling it darkened it again. I

Re: [darktable-user] Restore color balance on old paper photos

Hi, I have no real first-hand experience - but thanks for sharing this; one day, it may come useful! Recently, there was a related discussion on the 'Darktable (Unofficial)' Facebook group; you may want to check that out: https://www.facebook.com/groups/darktable/permalink/1194802980685278/ I'll

[darktable-user] Grey theme

Hi, A question has come up on Facebook (https://www.facebook.com/groups/darktable/permalink/1200810193417890/) about theming. I answered with a link from the announcement of 2.6.0 (https://www.darktable.org/2018/12/darktable-26/), which provides the CSS for a white and a grey theme, adding the

Re: [darktable-user] How to update the information of the lighttable

On Fri, 8 Feb 2019 at 15:10, Bernhard Rulla wrote: > when I am working in parallel with darktable (lighttable) and my Windows > Explorer, I sometimes notice that > the information (files shown) in the lighttable does not match with the files > available in the Windows Explorer. > In other

[darktable-user] color balance oddity

Hi, If I try to pick midtones (gamma / power) factor, the image goes too bright. If I enter the same value using the keyboard or by dragging the slider with the mouse, I get a completely different result. Illustration (zoomed in to a piece of the background): The color balance module, after a

[darktable-user] Ubuntu 18.04->18.10 upgrade, NVidia?

Hi, I'd like to ask whether those who have upgraded from Ubuntu 18.04 to 18.10 and use Nvidia cards have experienced any issues. I'm considering an update. Thanks, Kofa darktable user mailing list to unsubscribe send a

Re: [darktable-user] Re: [darktable-dev] Darkroom UI refactoring

On Sat, 27 Oct 2018, 08:42 Bruce Williams, wrote: > > If you look in the preferences, you'll find that you can uncheck the box > to "auto apply base curve to imported raw files". > Isn't that option called 'auto-apply per camera basecurve presets'? Because all it does is to apply a more

Re: [darktable-user] Vibrance in darktable

You can always apply one of the saturation-related tools and add a parametric mask. However, reading your emails pushed me to check the documentation, and I've come to realise that there is a problem with the documentation of the Velvia module (unless its behaviour has been intentionally inverted

Re: [darktable-user] Presets

Hello, Open an image. Disable base curve. Save as a oreset, mark auto-apply, set up a filter that matches everything. Do the same for bsse curve. Kofa On Tue, 1 May 2018, 12:48 Jean-Luc CECCOLI, wrote: > Hello all, > > After many years using DT, there is still

Re: [darktable-user] How to un-add/deselect one of two or more masks used by a module?

Try the mask manager (left hand side, towards the bottom). https://www.darktable.org/usermanual/en/mask_manager.html Kofa On Sun, 1 Apr 2018, 23:34 Martin, wrote: > darktable 2.4.2 on Ubuntu 16.04 > > I struggle to figure out how to go from multiple masks to only have > one

[darktable-user] Colour zones - bug or works as intended?

Hello, I find the way colour zones behaves surprising. I've shared a set of test images here: http://tech.kovacs-telekes.org/files/dt-colour-zones/ orig.jpg: I sampled the blue rim of the top of the container, lying on the table. 1. I picked a colour using the eyedropper, and added a live

Re: [darktable-user] Checking for errors/debugging my openCL

The only memory-transfer related setting that I know of is opencl_use_pinned_memory. The manual ( https://www.darktable.org/usermanual/en/darktable_and_opencl_optimization.html) says for NVidia it should be set to false. You may want to check - for me, it was set to true by default, although it

Re: [darktable-user] CPU Recommendations

On 6 Feb 2018 09:18, "Jean-Luc Lacroix" wrote: Just out of curiosity: if I add another GPU card, would DT be able to use that additional GPU power? Cheers. Jean-Luc Yes. https://www.darktable.org/usermanual/en/darktable_and_opencl_multiple_devices.html Kofa

Re: [darktable-user] Focuspoints

I think the focus points recorded in the image are often irrelevant, e.g. if you use focus-then-recompose. The focus data in the image would probably show the central focus point, which may easily point at the background by the time the picture is taken. (I realise this is less of an issue with

Re: [darktable-user] CPU Recommendations

If you use KDE, you'd better avoid Nvidia. See http://kde-bugs-dist.kde.narkive.com/RYzm58yW/plasmashell-bug-347772-new-kscreenlocker-greet-using-100-cpu-on-plasma-5 It's been open for years. There are a few suggested workarounds, none of which really worked for me. Kofa On 5 Feb 2018 01:02,

Re: [darktable-user] history stack still containing disabled modules after compression - why?

On 1 Feb 2018 15:19, "Matthew Harrison" wrote: Why would compress history stack do that [keep disabled modules]? On 31 January 2018 at 18:38, Tobias Ellinghaus wrote: > Am Mittwoch, 31. Januar 2018, 19:31:29 CET schrieb Sergii Dymchenko: > > For me having

Re: [darktable-user] Selecting the outside

On 15 Jan 2018 5:43 am, wrote: DT 2.4 * I have selected the blend drawing-parameteric mask. * Select my ellipse How do I apply the module to the outside of the ellipse, ie the rest of the image? https://www.darktable.org/usermanual/en/drawn_mask.html Look for

[darktable-user] Re: [darktable-dev] OpenCL does not work after Nvidia driver upgrade to 384.90

enCL (Open Computing Language) header files Kofa On 19 December 2017 at 09:07, Bob Tregilus <v2g...@gmail.com> wrote: > > > > > On Mon, Dec 18, 2017 at 11:30 PM, KOVÁCS István <k...@kovacs-telekes.org> > wrote: >> >> Update: I've gone through all the modules, m

Re: [darktable-user] Color Lookup Tables

You may want to read this: https://pixls.us/blog/2016/11/jo-o-almeida-s-darktable-presets/ darktable user mailing list to unsubscribe send a mail to darktable-user+unsubscr...@lists.darktable.org

Re: [darktable-user] Making numberplates of cars unrecognizable

DO NOT BLUR sensitive information. https://dheera.net/projects/blur (Sorry about the caps.) Kofa On 28 Dec 2017 16:06, "Dietmar Künkler" wrote: Thanks for the hints. I had the hope to need no further tools like gimp. The lowpass works very well! Thank you very very

[darktable-user] NVidia opencl compilation problem after upgrade

Hello, I've upgraded my nvidia driver, and now OpenCL is disabled, as atrous cannot be compiled. kofa@eagle ~ $ dpkg -l|grep nvidia rc nvidia-340 340.102-0ubuntu0.16.04.2 amd64NVIDIA binary driver - version 340.102 rc nvidia-361 361.42-0ubuntu2

[darktable-user] Re: [darktable-dev] Hard edges with the tone mapping module

Hi, On 1 Nov 2017 10:35, "François Tissandier" wrote: I'm often using the tone mapping module with non-HDR photos to reduce the global contrast & improve the local contrast. While this is not a direct answer to your question, maybe you'll find it useful: I don't

Re: [darktable-user] replace the skull

On 5 Sep 2017 16:57, "I. Ivanov" wrote: Ah... too bad. My daughter finds it freaky - To avoid the problem in the future: delete images from within darktable. - To fix it: remove and re-import the whole film roll/folder. There's also a script to prune the database,

Re: [darktable-user] Automatically removing of vanished and double imported files

Hi, On 23 May 2017 21:11, "Аl Воgnеr" wrote: Thanks and sorry, I don't still know what you mean and cannot get it work. I made a screenshot which you can see at http://up.picr.de/29278321lv.jpg Where do I have to select the filmroll? In the upper part or in the

Re: [darktable-user] Laptop screen calibration

Hi, Two more things you can do to verify everything is OK: - run darktable-cmstest; if it reports "Your system seems to be correctly configured" on the last line, you should be OK (it'll also output the path of the profile in use, check that, too, so you don't end up using some generic profile);

Re: [darktable-user] Printing Problem Epson ABW Mode

Tiff compression might also be the culprit. Kofa > The Epson program reads a tiff export just fine from LR…so i think DT may have a bug in its tiff export. darktable user mailing list to unsubscribe send a mail to

Re: [darktable-user] How to fix overblown white?

Have you tried the base curve with exposure fusion? It works with a linear "curve", too, so you get dynamic range compression that may help. Then, use exposure and tone curve, zone system tools to adjust the image. Kofa On 4 Feb 2017 04:04, "Anton Aylward" wrote: > I

Re: [darktable-user] Exported JPEGS always darker and more satuated

> What I changed was the export profile from sRGB to Adobe RGB (compatible). And that is the cause of your problems. Compared to sRGB, Adobe RGB uses a different gamma, which makes your images darker when viewed using a non-colour-managed viewer; it also has a wider gamut, which makes colours

Re: [darktable-user] Nvidia GTX 1060 OpenCL

Hi, Have you checked http://tech.kovacs-telekes.org/2014-07-29-darktable-opencl-nvidia-ubuntu-1404-mint-17 ? Kofa On 13 Jan 2017 21:39, "komodo" wrote: Hi, i'v searched this list but i can't find solution. I have GTX 1060, drivers from source, then installed cuda-toolkit

Re: [darktable-user] Weird colors and difficult noise reduction compared to LightRoom or RawTherapee

noise, I prefer graininess over overly smooth appearance. Kofa Dec 2016 18:47, "Saint Germain" <saint...@gmail.com> wrote: Hi, I am really not sure to be able to duplicate what you said. Could you provide perhaps an example (RAW+xmp) ? Thanks a lot On Thu, 8 Dec 2016 07:10:

Re: [darktable-user] Weird colors and difficult noise reduction compared to LightRoom or RawTherapee

Hi, (Second attempt, sorry if you get a duplicate.) For very high ISO, i usually enable colour smoothing under demosaic settings, apply profiled denoising for colours (wavelet mode with colour blending mode, heavy denoising settings), avoid all sharpening, and, if the situation is really bad,

Re: [darktable-user] Demosaic and color denoise leads to green artifacts

-- From: Stéphane Gourichon <stephane_darkta...@gourichon.org> Date: 12 September 2015 at 09:19 Subject: Re: [Darktable-users] profiled denoise - colour vs HSV colour To: darktable-us...@lists.sourceforge.net Le 11/09/2015 22:44, KOVÁCS István a écrit : Even when fit to the

Re: [darktable-user] Darktable styles

Hi, Security holes are always possible, e.g. the XML parser used by darktable, just like any other code, could have a bug that caused it to crash or even execute arbitrary code, given malformed/malicious input - from Acrobat Reader to Android components, many programs have been hijacked that way

Re: [darktable-user] local contrast v contrast brightness saturation v clarity/equalizer

ep 2016 06:33:31 +0200 KOVÁCS István <k...@kovacs-telekes.org> wrote: >Please read the manual. I did: Much more versatility for contrast and brightness adjustment is offered by the tone curve, levels, and zone system modules and Likewise you may adjust color saturation in a more detaile

Re: [darktable-user] open CL 2.0.6

Hi, Core2-Duo E6550 @ 2.33GHz +Nvidia GeForce GTX 650 / 2 GB, driver 361.42, OpenCL 1.2 CUDA, darktable 2.0.6 from PPA. With pinned memory, performance is slightly (about 10%?) worse. There are lines like [opencl_profiling] spent 0,3774 seconds in [Map Buffer] that are only seen in the 'pinned'

Re: [darktable-user] White balance on a TrueColor scuadra, using provided Lab values

One more thing regarding the colour picker: it works in your display's colour space, which may affect its Lab readings - the devs would know. https://www.darktable.org/usermanual/ch03s03s04.html.php darktable user

Re: [darktable-user] White balance on a TrueColor scuadra, using provided Lab values

My bad, sorry, I thought the card had colour patches, too - I've only ever used a simple Whibal card, and does not provide Lab values. Also, I don't understand why you mentioned exposure in your post, I thought you expected darktable to adjust it automatically when you picked white balance from

Re: [darktable-user] White balance on a TrueColor scuadra, using provided Lab values

Hi, If I get this correctly, the card has grey patches as well as colour ones. The spot white balance tool adjusts white balance only, meaning that: - after adjustments, grey should be grey (neutral) - exposure is to be done independently - colour in non-grey patches, as well as the lightness of

Re: [darktable-user] Clipped highlights

Check out the colour reconstruction module: http://www.darktable.org/usermanual/ch03s04.html.php#basic_group Maybe if you have blown highlights, you should avoid increasing the exposure, and use the tone curve, zones or some other module to brighten dark parts? Or mask the exposure correction?

Re: [darktable-user] How to darken a particular tone?

You could use modules like exposure, brightness-contrast-saturation, zone system or tone curve, and apply a parametric mask. The colour zones module allows selection based on hue or lightness or saturation, and you can combine that with masks, too. Kofa

Re: [darktable-user] A better starting-point for Nikon RAW-files

Please note that there are legal concerns regarding these profiles. The RawTherapee guys, who (AFAIK) were the first ones to cine up with a way to extract them, never shared them. Please don't share files of questionable legality on the forum, regardless of size. Kofa

Re: [darktable-user] Lesson request

Hi, Besides the shadows and highlights module that has already been suggested, you could add a second instance of exposure, masked so windows are excluded. Use the first instance to get the windows properly exposed, the second one to fix the room's exposure. Check Rob Hutton's tutorials on

Re: [darktable-user] Almost perfect colors with Nikon D7200 and Darktable

Hi, I experience the same thing - Nikon D7000. No matter which input profile I use (standard, enhanced, and an ICC I have converted from a RawStudio DCP), no matter which base or tone curve. I don't get the issue when opening the images in RawTherapee. Ref2020 as an input profile gives much

Re: [darktable-user] Equalizer module

When you exit the module settings editor, it will adjust the curves based on the 'mix' value and reset it to 1.0, so the effect is equivalent. Kofa On 11 Jul 2016 05:10, "I. Ivanov" wrote: I am not entirely sure how Equalizer presets should work. I applied clarity and set mix

Re: [darktable-user] Move images to another hard drive

Handling files in DT is much more difficult (for me) than using a file manager or the command-line. I think the skulls are a really weird option on dt's part, since you can't do *anything* in dt to resolve the problem. You either have to fix the file locations (move them back, restore deleted

Re: [darktable-user] Move images to another hard drive

Why not use the OS to take care of this? Create a directory on the new drive, move the collection, create a symlink or mount your new file system so that it appears at the same path as the old one. Of course you can use the symlink approach even for partial moves. Kofa On 9 May 2016 20:51,

Re: [darktable-user] Delays when collecting images by tag.

A missing index? darktable user mailing list to unsubscribe send a mail to darktable-user+unsubscr...@lists.darktable.org

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