Re: [darktable-user] specs

[Jason Polak]

Hey Mike,

I use darktable on 8gb, no problem.

Jason

On 2024-02-28 12:15 a.m., Michael wrote:

Gimp and darktable will run nicely on 16GB ram?

--
:-)~MIKE~(-:

 
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[darktable-user] Video on split toning

[Jason Polak]

Hey all,

I made a video on split toning. Comments and suggestions welcome!

https://youtu.be/OJYMYgkGpV8?si=giL3k385Fyqlxn-u

Thanks!
Jason

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[darktable-user] watermark video

[Jason Polak]

Hey All,

I made a watermark creation video. I cover how to make it so that you can 
change the color in darktable!

https://www.youtube.com/watch?v=EW9hgbkWX_8

Comments and suggestions welcome!

Jason

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[darktable-user] darktable 4.4 new features video summary

[Jason Polak]

Dear List,

I made a short video summarizing my favourite features in darktable 4.4. Hope 
you like it!

https://www.youtube.com/watch?v=g4b7RCRI2Ho

Sincerely,
Jason

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[darktable-user] darktable feature: shortcut in module?

[Jason Polak]

Dear List,

Not sure if this is feasible, but I just want to put out a suggestion.

I think it would be really great if darktable had a feature where you could set 
a shortcut to open a module directly from the module without going into the 
settings.

I wish I could implement this feature myself but I'm not really a programmer. 
So just suggesting it. Otherwise, darktable is still really great!

Jason

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Re: [darktable-user] exif info not in shot

[Jason Polak]

Thanks so much! Not sure why that was unchecked but it works!

On 2022-09-26 10:50 am, Willy Williams wrote:

Sorry, I forgot one step in red, below.

On 9/26/2022 at 10:47, Willy Williams wrote:


From the darkroom screen, go to Export, click on the hamburger, then 
preferences, to edit metadata exportation and be sure that the EXIF data block 
is checked.  Be sure to save afterwards if you make any changes.


Willy Williams


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[darktable-user] exif info not in shot

[Jason Polak]

Hey List,

I'm using Darktable 4.0.0. When I export my images the EXIF information isn't 
in them any more...is there an option somewhere to turn this back on? I can't 
seem to find it.

Thanks
Jason

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Re: [darktable-user] darktable 3.8.0 released

[Jason Polak]

Thanks to all the developers! This is a truly marvellous piece of software and 
has helped me avoid Windows and OS X for many years now!

On 2021-12-24 5:02 a.m., Pascal Obry wrote:


We're proud to announce the new feature release of darktable, 3.8.0!

The github release is here: 
[https://github.com/darktable-org/darktable/releases/tag/release-3.8.0](https://github.com/darktable-org/darktable/releases/tag/release-3.8.0).






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Re: [darktable-user] News about darktable 3.6

[Jason Polak]

Excellent. I was getting confused about those modules anyway. Personally 
after editing thousands of images, I actually think we would only need 
1-2 modules at most. I also find the "In-camera Raw development" on most 
cameras quite nice, and darktable should strive to emulate those modes.


Also not sure if the lighttable view was necessary either. If you 
removed that, the program could automatically go to darkroom mode right 
away, and you could just go back and forth between images. Personally, 
Windows does seem like a good platform to settle on also.


:)

Jason

On 2021-04-01 07:49, Pascal Obry wrote:

Hello!

Some news about darktable positioning.

The good news is darktable binary is now half the size of previous
release. Thanks to the removal of most superfluous modules that almost
nobody uses like velvia, tone curves, liquify... The GUI is now lighter
than ever. 

Some views have also been removed like Map, Tethering, Slideshow to
keep the most important ones. 

All remaining modules have also been revamped to remove many controls
and keep them usable by beginners (most dev modules have now one or two
sliders), the others parameters have good defaults or computed based on
the others. This will be a good ground to attract beginners, for hard-
core people it is highly advised to keep 3.4.1.

These decisions are been made because the dev community is too small
and we cannot at this stage support all the base code. We have decided
to keep Windows for now but the MacOS port will be removed.

The 3.6 release is still plan for end of June or very early in July.

Regards,


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Re: [darktable-user] Dark photos when printed

[Jason Polak]

Good suggestion. Another thing I do is during my edit, make sure I am
really pushing the histogram, and I push the brightness a little more
agressively with the tone curve than I would otherwise. Just to make
sure a good amount of the brightest tones are really bright. Usually it
works quite well that way.

Jason

On 2021-03-06 4:55 p.m., Terry Pinfold wrote:
> issue with Lightroom. The answer is calibration and also checking the
> look of the image on the printing labs monitors if possible. Many
> consumer labs have printing kiosks. Professional labs will usually
> provide printing profiles and provide excellent advice to give you great
> prints going forward. Personally, I print at home and use the printer's
> software to tweak my prints to match my computer screen as close as is
> reasonable. I also like to toggle on the ISO 12646 color assessment
> conditions option in the darkroom view when doing my critical exposure
> adjustments such as filmic. This colour assessment condition places a
> white border around the image and helps the user a lot with getting
> correct adjustments of the highlights so they are not too bright.
> Another great Darktable feature that ensures I get good edits. 

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Re: [darktable-user] Quick question: Shortcut "delete rejected"

[Jason Polak]

Not an ideal solution for you, but one possibility is to use the collect
images function on the left in lighttable, and clear the rule there.
That will select all images, at which point you can delete all rejected
images.

So the idea is to clear all the rejected ones every week or so.

Jason

On 2021-03-07 2:20 a.m., Michael Staats wrote:
> Dear Darktable users
> I have a quick question for a purely "nice-to-have" feature (nothing
> critical, nothing really missing):
> 
> Is there a way to define a shortcut for "delete all rejected" images?
> Maybe even one that works from darkroom as well (for all rejected, or
> the current one)?
> 
> Currently, when I'm done rejecting, I need to go to lighttable, change
> the view to "rejected only", then "select all" and then "delete", and
> then change the view back to "all".
> 
> (For those who know the emacs "dired" mode: You reject with "d", and you
> delete with "x" + one final confirmation. Something like that ;-)
> 
> Since I'm lazy, I often forget this, and end up with several rejected
> images...
> 
> Any idea?
> 
> Thanks in advance, best regards,
>   Michael
> 
> --
> Michael Staats
> michael.sta...@gmx.de
> 
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> 

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Re: [darktable-user] The future of darktable on the Mac

[Jason Polak]

To answer this last question -- yes, I think Apple will play with open
source if it suits their needs but will totally throw a wrench in it if
it suits their needs also.  They are not interested in anything but
their walled ecosystem

On 25/02/2021 07.44, Goulven Josse wrote:
(or is
> Apple really at war with open-source… ?) I’m aware that using darktable

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Re: [darktable-user] DT 3.4 no longer has zone system module (gone!)

[Jason Polak]

Just a quick comment on this: the astrophoto denoise (formerly non-local
means) is a very effective way to get rid of just colour noise with very
little to no loss in image quality, and is certainly not restricted only
to astrophotography. I still use it in conjunction with profiled denoise
to get the best results.

Jason

> 
> On Tue, 5 Jan 2021, 23:45 Terry Pinfold,  
> Renamed Modules
> 
> The following modules have been renamed to better describe their
> use. These modules can still be found using their old names in the
> module search box.
> 
>     denoise (non-local means) is now astrophoto denoise
>     denoise (bilateral filter) is now surface blur

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Re: [darktable-user] why is this mailing list so slow?

[Jason Polak]

I still use a few mailing lists and they all seem more or less the same
with regard to speed. Seems plenty fast for a mailing list.

Jason

On 2021-01-03 4:14 a.m., Bernhard wrote:
> Hi,
> 
> I find messages to this mailing list sometimes beeing delayed up to 1h
> (most of the cases up to 1/2h) when sending them compared to what I see
> in my inbox.
> Does anyone have a clou about this?
> 

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[darktable-user] masks

[Jason Polak]

Dear List,

I have this weird glitch, which suddenly happened during an editing
session. When I click on a mask now, like a circle mask or brush, and
when my mouse is over the image, scrolling no longer changes the size of
the brush. I can adjust the circle brush after it is placed, and
CTRL-scroll adjusts the opacity, so my scroll-wheel is not broken.

Did I somehow lock the brush size by accident somehow?

Thanks!

Jason

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Re: [darktable-user] Making Adjustment(s) with Mouse Wheel

[Jason Polak]

When I put the mouse arrow over the slider, the mouse wheel scrolls the
slider. For the tone equalizer, you can put the crosshair directly over
the image and scroll to adjust the tone category defined by the location
of the crosshair.

Jason

On 25/09/2020 14.39, J. Verreault wrote:
> Hi all,
> Am I able to make adjustment(s) in modules that has slider(s) with the
> mouse wheel and if so how..?
> Am using a Logitech MX Master mouse on ArcoLinux with latest DT version
> 
> Thanks
> 
> -- 
> You don't know what you have until you need it.
> 
> 
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Re: [darktable-user] Darktable 3.2, a short review

[Jason Polak]

I wonder though if some of that is not the psychology of used first vs.
second, though. Because, I started out with darktable, and only years
later did I try lightroom, and I found doing things in Lightroom
confusing even after half an hour with it. And when I first started out
with darktable, I found it pretty intuitive.

I don't think this explains everything, though. There is of course user
experience, and then I am sure there are some things easier to do in
Lightroom. In fact, I will admit that one thing about Lightroom that
seems easier is sensible defaults when it comes to exposure and colour
correction. It does seem to have some pretty good defaults when you just
want some basic adjustments.

However, I also appreciate that because of the additional manual steps
required in darktable, you eventually get to a point where you have more
control and personality that you can put into your images, so after that
initial period of learning (the "month"), trying to use lightroom feels
awfully restrictive.

Jason

On 24/08/2020 03.07, Kneops wrote:
> Hi Michael. I agree ofcourse with what you say, but 'After a month'...
> is exactly what I mean. If it takes a month, something is not right. I
> never used LR, but opening it and - like I said - I could edit 99% of my
> images the way I want within 5 minutes. I even don't use Gimp anymore,
> unless my sensor had become too dirty ;).
> 
> 
> 
> Op 22-08-2020 om 22:04 schreef Mikael Ståldal:
>> The filmic module can be a bit intimidating and unfamiliar if you are
>> used to Lightroom. But if you just spend a few hours watching videos
>> and reading instructions, and practice on a dozen of your own images,
>> you can become effective faster than you think. And it just got easier
>> with Darktable 3.2!
>>
>> After about a month of using Darktable, I feel that I can do about the
>> same as I did in Lightroom. And I have the option to spend some
>> additional learning effort and be able to do a lot more that was not
>> possible with Lightroom.
>>
>> So I agree with the sentiment: great and impressive work by the
>> development team!
>>
>>
>>
>> On 2020-08-20 09:38, Kneops wrote:
>>> I agree, it is a marvellous piece of work, unbelievable really and I
>>> love it but not use it as much as I would like to. And I would never
>>> recommend it to friends :(. Even for me as a freelance photographer
>>> (20+ years of experience) it feels like it is made for techies, not
>>> (yet) intuitive enough. For example the filmic module is so full of
>>> options and sliders and words that are not obvious/comprehensible for
>>> most people and even I have much difficulty in understanding what
>>> they do. I just start using the sliders and always slide in the wrong
>>> direction at first ;). My feeling says that when I see a slider that
>>> says 'White relative exposure' I want to drag it to the right to get
>>> more white tones, but the opposite happens.
>>>
>>> I'm not a fan of Windows, Adobe and LR, but I still use the latter
>>> because it is intuitive. With a few sliders I get almost exactly what
>>> I want with 99% of my images and very fast (even though LR lacks
>>> speed and I don't like the catalogs/collections system of it). That
>>> is why most people still use LR I think. It has sliders that are
>>> called White Tones, Black Tones, Highlights, Texture, all very clear
>>> in what they do and how to use them. If DT wants to drag a lot of
>>> people to its open source alternative, imho it needs to be
>>> simplified. LR lacks power and options for more adjustments, but what
>>> it does it does quite nicely. Highlight and shadow recovery always
>>> looks very natural, whereas in DT highlight recovery is not good
>>> enough and shadow recovery can look very harsh and artificial.
>>>
>>> But... I'm really a fan of DT and hope I can use it on a daily basis
>>> and convert my newest pc back into a Linux machine, because LR is the
>>> only reason I bought it (my other Linux computer is for webdesign
>>> work). Could have been Capture One or one of the other options as
>>> well by the way, what I'm trying to say is not LR specific.
>>>
>>>
>>> So, a lot of love and admiration for DT, but some suggestions for the
>>> future :).
>>>
>>>
>>> Jack
>>>
>>>
>>>
>>> Op 19-08-2020 om 10:00 schreef Pascal Obry:

 Hi Jason,

> Overall impressions: a worthy improvement (thanks, developers!). I am
> going to adjust to a new workflow with darktable 3.2, but it is not a
> big adjustment. I think overall darktable has come very far since the
> early days, and it is hard to believe such a program is free
> software.

 Nice to read such message among all the bug reports. This amazing piece
 of work is maintained by many talented people accros the planet. The
 best we can do to keep our freedom against the big players trying to
 lock us down in their world which ressemble to a golden jail.

 Cheers,

>>>
>>> 

[darktable-user] Darktable 3.2, a short review

[Jason Polak]

Dear List,

Just want to add my experiences with Darktable 3.2 I installed it on a
testing laptop, a Macbook Pro 2011, so quite old but works decently well
with Linux Mint 20. I have been using darktable since the early days of
2015, and most recently I have had several months experience with
Darktable 3.0 before trying Darktable 3.2 today for about an hour. Some
basic observations:

1. In Darktable 3.0, there was a weird mask problem where mask inversion
required some tweaking with mask opacity to work. That problem is now
gone in darktable 3.2! Yes!

2. Darktable 3.2 with the new preferences window and other tweaks looks
really good. The context-sensitive buttons helps too. Everything looks
better.

3. I had to adjust to a new workflow. Previously if I adjusted exposure
first then activated filmic, filmic would adjust overall exposure as
well and then I would have to adjust the white level exposure and some
other variables to compensate. Now, that no longer happens, and I
believe the way it works is more logical now.

4. Also, on the topic of filmic, it is much easier to have a properly
saturated image now, adjusting under the "look" tab. When first
activated, filmic does seem to crush blacks a little, but that is easily
adjusted.

5. I still use tone curve as well as tone equalizer for artistic
adjustments, as the fine-grained control there is important, especially
for difficult lighting situations with birds.

Overall impressions: a worthy improvement (thanks, developers!). I am
going to adjust to a new workflow with darktable 3.2, but it is not a
big adjustment. I think overall darktable has come very far since the
early days, and it is hard to believe such a program is free software.

Sincerely,
Jason

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Re: [darktable-user] Change to Linux

[Jason Polak]

On 8/7/20 8:17 AM, Anton Aylward wrote:
> On 06/08/2020 03:36, Peter Schlaufer wrote:
>> When I now would change to Linux I would have to reformat the SSD drive to 
>> fat32
>> that it can be read and written in Linux.
> 
> Linux can read and write a large number of file systems that are faster and 
> more
> reliable than FAT32.  The only reason I can think of for using FAT32 on your 
> SSD
> is to be comparable with Microsoft Windows or cameras, phones and tablets 
> that use
> it on their removable media.
> 

Indeed. As someone who sometimes uses multiple operating systems, all
the solutions for a shared filesystem seem to come down to FAT32 or
exFAT if you want something to pass between Linux, Windows, and OS X.
NTFS seems the next logical candidate. ext4 would be okay too for OS X
if you buy the Paragon software extension, though I loathe that solution.

I really wish there were one modern filesystem for sharing data,
including support for disk-wide encryption, that were supported across
all three systems. I mean it's 2020!

Oh well.

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Re: [darktable-user] Annoucement of dtLapse

[Jason Polak]

That is a fascinating program. I was thinking of doing a timelapse, so
when I do I will try your software.

I also suggest one small correction to the readme: "Now you should see a
window with a plotted curve of the interpolated and smoothed values
between your keyframes. If you're happy with the result, close the
window and run dtLapse again with the --plot option:" In this sentence,
"with" should be "without".

Jason

On 1/8/20 11:37 am, Jochen Keil wrote:
> Dear darktable user,
> dear darktable developers,
> 
> What has started out as a simple python script has grown into a piece of
> software that I'm proud to release to the public today.
> 
> The purpose of dtLapse is similar to what LRTimelapse is to Lightroom:
> enhance, facilitate and ease the creation of timelapse videos with
> darktable. DtLapse supports various algorithms for interpolating and
> smoothing darktable's module parameters based on a set of keyframes.
> 
> You can find it here: https://gitlab.com/jochen.keil/dtlapse
> 
> I hope you will find it useful!
> 
> Best wishes,
> 
>   Jochen
> 
> 
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Re: [darktable-user] Filmic RGB and colors

[Jason Polak]

That is very interesting, Jan. I did not even know of this setting.
However, it seems that the vast majority of the time, turning off
"perserve chrominance" actually improves the colours of my images. For
example, sometimes the greens in leaves look a little...sickly perhaps?
After turning off "preserve chrominance" they look a little better. I
have done about ten comparisons.

I can't explain the behaviour unfortunately but thanks for pointing that
out!

Jason

On 28/7/20 1:11 am, Jan Ingwer Baer wrote:
> I am a little bit confused about Filmic RGB and the handling of colors:
> 
> On many/most of my pictures using filmic rgb with the default value for
> 'preserve chrominance' (= 'RGB power norm') makes the colors very flat.
> After switching the 'preserve chrominance' to 'no' the colors are back.
> But on some pictures, it is reversed: The default value gives nice
> colors, but switching to 'no' makes flat colors. Can anybody explain
> this behavior to me?
> 
> 
> 
> I am using DT 3.0.0 on Win10.
> 
> Regards
> Jan
> 
> 
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Re: [darktable-user] Base curve

[Jason Polak]

This is just a comment on the filmic module. I like it actually over the
base curve but I still find the need to adjust certain tones,
emphasizing them with the tone curve. I don't think that will change.
The filmic adjustments are often too coarse.

Also, for some reason, compared to using darktable 2.4 a long time ago
with base curve/tone curve, after using filmic in darktable 3 my images
seem to be quite desaturated. I usually activate velvia and tweak
colours either using saturation or color zones to generate something
that I would consider more accurate.

I probbaly am not using the most efficient workflow, but actually I am
quite fast at darktable having used it for 5 years as by first Raw
developer, but I was just wondering if other people are using a
different workflow when it comes to improving saturation after using filmic.

Jason

On 27/7/20 12:51 pm, David Vincent-Jones wrote:
> After you have read the replies to your initial question, I am sure that
> you must be quite confused. Let me try to more correctly find an answer
> that may make sense.
> 
> There are two possible development 'routes' in darktable. 1.) uses the
> 'base curve';  2.) uses the 'filmic-rgb' module.
> 
> If you use the base-curve approach .. this module designed to
> approximate a camera jpg and is not normally modified by the uses. If
> you wish to modify the effects of the base-curve then you should be
> using the tone-curve to make corrections as needed.
> 
> Patrick has been advocating that you use the filmic-rgb approach (a more
> recent darktable development); in which case the base-curve should be
> switched off totally and then all/most of the adjustment will be done
> within filmic-rgb.
> 
> I would strongly recommend that you familiarize these processes through
> the excellent manual or the numerous videos that are available on-line.
> 
> David
> 
> On 2020-07-27 8:18 a.m., Patrick Shanahan wrote:
>> * Mikael Ståldal  [07-27-20 10:50]:
>>> I use Darktable 3.0.2 (the latest version as far as I know).
>>>
>>> I have read about the base curve module in the user manual. I understand the
>>> mechanics about changing the curve, but the whole concept is very abstract
>>> to me.
>>>
>>>
>>> On 2020-07-27 16:26, Patrick Shanahan wrote:
 * Mikael Ståldal  [07-27-20 10:16]:
> I have enabled the base curve with preset "sony alpha like" (since I have
> Sony cameras), and that is better than without.
>
> But I have a hard time understanding how to manually edit the base curve 
> in
> a useful way. I can edit it, and I see how the image changes, but it feels
> quite random to me. I don't know what to do to get the result I want.
>
> Most of the presets are for specific camera makers, so it's hard to know
> which one to chose. Does it even make sense to use a preset for another
> camera than the one taking the photo?
>
>
> On 2020-07-26 00:55, Terry Pinfold wrote:
>> ·A base curve is applied automatically but if you look in the preset
>> options you may find another you prefer. You can also create your own
>> for future use.
 you don't say what version dt you employe but a better approach would be
 to enable filmic and follow:
https://discuss.pixls.us/t/darktable-3-0-for-dummies-in-3-modules/15849

 as advised in this thread.


 about base curve:
   https://www.darktable.org/usermanual/en/modules.html
   3.4.1.4.Base curve

 fwiw, I have filmic enabled.

>> aiui, base curve matched exactly to your camera/model is an effort to display
>> a basically acceptable jpg image "resembling" but not matching your
>> "basic" ooc image.  imnsho, you would be better served employing filmic
>> and disabling base curve.
>>
>>
> 
> 
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Re: [darktable-user] Best demosaicing method for sony alpha 6600 sensor

[Jason Polak]

Nothing (except that they are both Sony sensors). I was just using my
experience as an example that it's better to experiment with your own
pictures to choose the best methods.

On 7/10/20 2:01 PM, Patrick Shanahan wrote:
> 
> Just wondering what the D500 has to do with the sony alpha 6600 sensor?
> 
> lost!
> 

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Re: [darktable-user] Best demosaicing method for sony alpha 6600 sensor

[Jason Polak]

I have examined a lot of fine detail at 100% zoom and normal zoom and
I've concluded that for the D500, Amaze is better than PPG. It preserves
more detail and line continuity (lines look more like lines, like fine
feather detail). I just use the defaults. I suggest just experimenting,
starting with the defaults with 100% zooms to see which one is better
for you.

Jason

On 7/10/20 7:15 AM, Victor wrote:
> I see that DT 3.0.2 defaults to the fast PPG method to demosaic images.
> I wonder whether for my sony alpha 6600 sensor a better choice for
> demosaicing exists.
> 
> I tried amaze but don't know how to set the "color smoothing" and "match
> greens" options and above all hot to evaluate results.
> 
> Please help
> 
> Ciao
> 
> Vittorio
> 
> 
> 
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Re: [darktable-user] Why does Darktable import more images than exist on my SD card?

[Jason Polak]

Just going to second what you said regarding the "fun" in darktable.

I've been using darktable for about five years now and have edited over
20K images. It is just really fun to use, which a lot of modules that
allow really fine-grained adjustment. The only thing I did not really
enjoy was noise reduction, but that was vastly improved with the 3.x
series and now it does pretty much everything I need.

Darktable is awesome!

Jason

On 6/26/20 7:15 PM, Terry Pinfold wrote:
> Hi Tony,
>         I teach photography and imaging classes. I promote GIMP as a
> free alternative to Photoshop because it does 99% of what photoshop
> does, is free and in my opinion is nicer to work with. I do not promote
> DT as a LR alternative because in my opinion it is not. LR is a program
> designed by Adobe for professional photographers. Lr manages the
> digital assets (images) so well. I personally use keywords, but it also
> offers rating systems, collections and can search metadata. The second
> side to LR is fundamental editing of images including Raw images. The
> editing ability of LR is sufficient for the average studio or wedding
> photographer that needs to do some final tweaks before presenting the
> image to the customer. LR is a beautiful professional photographer's
> tool. Subscription cost should not be a barrier to a professional. 
> 
> However, LR's editing capabilities are relatively limited. I have so
> much more fun working images in DT. I love the various modules and the
> flexibility of the drawn and parametric masking systems that are so much
> more flexible than LR's. I love the ability to do multiple instances of
> the same module. I love the multiple options for sharpening and noise
> reduction. I love DT as a photographer and as an artist because of its
> ultimate level of editing control, which LR can not rival. However, if I
> was a professional photographer I would stick to LR. The reason is time
> is money. Firstly I would photograph in RAW and JPG and I would try to
> have my JPG tweaked by camera settings to be a finished quality not
> requiring any editing because that is a waste of a professional's time.
> However, if I did have to do editing I would want some quick and dirty
> fixes that could be applied to all the images in just minutes. That is
> what LR is great at. DT has styles which can also process images quickly
> but it is no rival in terms of speed to LR. 
> 
> I still use LR for HDR merge of raw files and sometimes for panorama
> stitching. Microsoft ICE is a really great free panorama stitcher for
> Windows and can handle challenging merges that PS and LR fails at. For
> restoring scanned images and film I use DT for sharpening and grain
> reduction (noise reduction) but then move onto GIMP for dust removal. DT
> could do dust removal but GIMP is easier and quicker. I also like to
> experiment with levels and curves in GIMP to tweak the final color and
> contrast. 
> 
> My suggestion is to pick the best from each program.  I wish DT had the
> DAM capabilities of LR and then it would be an alternative to LR. Your
> post was very successful at starting or reigniting a conversation on the
> topic.      
> 
> On Fri, 26 Jun 2020 at 23:36, tony Hamilton  > wrote:
> 
> Hi Terry,
> 
> I'm a bit ... well, I suppose the concept is 'humbled' ... by the
> response to my posting on this topic. I am equally very impressed by
> the consistency of the advice I have been given. I have obviously
> invested far too much time and effort in this part of DT where other
> solutions - such as you describe - are far more practical. So now I
> should focus on those functions DT is good at: raw processing.
> Plenty of work to do there, I sense.
> 
> On 25/06/2020 22:34, Terry Pinfold wrote:
>> Hi Tony,
>>       I replied to the long post. I feel just use DT for editing
>> images and another program such as LR or Adobe Bridge to catalog,
>> sort and import (copy) images from your SD card. DT is a great
>> editor but is not an all-in-one solution like LR tries to be. 
>> Good luck. 
>>
>> On Fri, 26 Jun 2020 at 03:44, tony Hamilton
>> mailto:shaky.st...@ntlworld.com>> wrote:
>>
>> Hi Terry,
>>
>> I had not considered this option (as you can see from my long
>> posting just a few minutes ago), but what you say makes good
>> sense to me - I see you share my concern about the security of
>> images on the SD card. That factor really gave me the
>> heebie-jeebies when I realised what DT was doing - shudder...
>> I'll examine this in more detail.
>>
>> Tony
>>
>> On 24/06/2020 02:49, Terry Pinfold wrote:
>>> Hi Tony,
>>>       since you have LR use that program to import and
>>> organise your files. It is well designed and excellent at
>>> that task. It also does good editing of Raw files, but DT is
>>> 

Re: [darktable-user] Import: I'm failing at step 1; advice please

[Jason Polak]

Interesting read. I am not a developer, just a user. But I have seen
many threads on how the import function is confusing to many people.
Personally I think import function is a little misleading in some ways.
Some people expect import to bring the photos into some kind of
database. What it does is record the location of the photos and create
XMP files, generates thumbnails and puts that into a database of some
kind (not sure if the thumbnails go in). But you get the point.

Here "Import" really means just open the folder. So, I think the button
would be more accurate to say "Open Folder". Darktable is not a photo
downloader, and it expects the user to copy the files themselves to the
location that they want, and then open them in darktable once they have
already been organized on the filesystem by the user.

I really have no problem with thatbut I agree it is confusing.

Jason

On 6/25/20 1:38 PM, tony Hamilton wrote:
> This is an update after a few days of intense, all-day, reading and
> experimentation with the import function of DarkTable 3.0.2. What I am
> going to write here is at considerable length and will not be well
> received by the Darktable development team. It is my personal opinion;
> it reflects my skill as a programmer (essentially non-existent) and the
> experience using DT on my system. This caveat is not a cop-out: the
> major cause of my problems with Darktable import looks like a Windows
> problem (compounded by a design decision by the DT development team.).
> This means that some Windows systems will behave as expected; mine do not.
> 
> I find the import function in Darktable to be essentially dis-functional
> and dangerous In my environment: there is the risk of loss of data which
> is more probable than when using any of the other raw processors I am
> considering, with the exception of RawTherapee. For my circumstance
> there is no way that I will use the import function in DT (or
> Rawtherapee) even for those limited cases where the function works at all.
> 
> I have 4 computers running Win 10; 2 of them dual boot to Linux Mint
> 19.3 (Cinnamon and XFCE). Most of my comments apply to the Windows
> configuration. I would prefer to run DT in Linux, but a key requirement
> I have – a robust and functionally adequate DAM – is currently met by a
> Windows-only product: iMatch.
> 
> There is no Windows configuration in which I can safely import either
> from a media card in a reader or with a camera USB connected to the PC.
> I have 2 cameras: Canon and Fuji. When using a card reader, the reader
> is never discovered when I scan for connected devices. The media card is
> however identified as a folder, with a drive ID. This is fatal: DT now
> regards this drive as part of the database, so the included images
> become unavailable as soon as the reader is removed from the PC. But
> worse – much worse -is that DT will write on this device as soon as it
> is selected as a folder. This awful: here is the scenario: you have
> taken some valuable photos. Until you have been able to COPY them into
> your photo processing system, the ONLY place they exist is on the media
> card. But now DT writes data on that card, over which you have no
> control (which explains why DT was able to load 72 of 52 images I
> thought I had on my card). This is absolutely unacceptable to me. None
> of the other raw processors I am testing (Lightroom, Capture 1,
> Exposure, DXO, OnOne, DigiKam) will do this (Rawtherapee does). They
> will explicitly ask for permission to change the media in any way –
> usually to delete images that have been ingested. DT (and RT) are unique
> in their inability to differentiate between importing via Copy and
> importing via making a link.
> 
> The reason DT treat it as a folder is because the card reader is
> assigned a drive letter, being Automounted. Google shows that many
> people have asked how to stop this. But more worrying is that there are
> even more people who have asked why the techniques to prevent automount
> do not work in Win 10. There is no resolution from Microsoft to date for
> this problem. The best they can offer is to do trouble shooting, which
> requires use of the Group Policy Editor. That is, if you want to find
> more data to help MS solve the problem, you have to buy the professional
> version of Win 10. I’m not going to do that to solve a problem in DT!
> The implication from MS’s position is that this problem does not occur
> on every PC – so your system my be OK. None of mine are.
> 
> But is gets worse: if you attempt to disable automount, this actually
> works for real hard drives. This knocks out my key backup devices – a
> set of large USB drives in a grandfather/father/son usage model. There
> is no way I am going to commit updates to my DAM without a functional
> backup. So the advice I have received from this mailing list, to disable
> automount, is not advice I will follow.
> 
> A not dissimilar situation exist when trying to import 

Re: [darktable-user] Import: I'm failing at step 1; advice please

[Jason Polak]

I agree with the below. My system is pretty simple: one folder for each
year, and then each folder named -mm-dd-description, one for each
day in the year folders. I do try and use keywords in darktable though,
but I am kind of lazy with regards to that :( :(

I use an rsync script to back up all my folders to various external hard
drives.

Jason

On 6/23/20 9:39 PM, Terry Pinfold wrote:
> Hi Tony,
>        Guillermo has given a very complete answer here. Could I suggest
> that DT is a great editing program. It is not such a great cataloging
> program. I would copy the images from the SD card to a suitable folder
> on your computer without involving DT. I would then open DT and use the
> import function to let DT find the images you have placed in that
> folder. Then let DT do what it does best, which is editing. I would
> never use DT in its current form as a catalog system, but others might
> have a different point of view about that. 
> 
> Good luck. 

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[darktable-user] darktable 3.0 masks

[Jason Polak]

Hi List,

I have been comparing darktable 2.4 vs 3.0 since my older machine
doesn't have 3.0.

3.0 is much better, but I am confused about one thing in it:

In 3.0, you need to select mask opacity to 0.70 on order to have a fully
opaque mask. To invert the mask (turn the yellow pixels transparent and
vice versa, what you'd think of inverse), you actually have to click
"Invert Mask" and ALSO set mask opacity to -0.70.

This seems really confusing, and much less intuitive than darktable 2.4.
Takes extra steps also.

Not sure why we need a separate mask opacity slider when typically the
effects of the modules is a continuous one (like tone curve) and the
strength of the effect can already be determined by less steep curves
for example.

Any help?

Jason

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Re: [darktable-user] Help

[Jason Polak]

Dear Peter,

My method is basically to reject the picture (you can use the reject key
"r" or just keep it at 1 star) and then select all rejected image at the
top of the window. Then you can use the "Trash" button on the right in
"Selected Images" to send the images to the trash.

Jason

On 2020-04-07 6:15 a.m., Peter Schlaufer wrote:
> Hello
> 
> I am with darktable only since a few days after having been with
> Lightroom for many years and the some time with Luminar. I therefor have
> still quite a bit to learn. From what I have experienced until noe I am
> really satisfied. The one problem I am looking for Help is: Using
> darktable for culling the pictures necessitates that I would like to
> discard the ones I do not want to proceed with. But when I am thrashing
> the pictures they do disappear from darktable however not from the
> drive, which is what I would like they would. This is also contrary to
> the description. I think I have chosen the correct adjustments. Anyone
> can help?
> 
> peterpe...@schlaufer.ch 
> 
> 
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[darktable-user] strange drawn mask behaviour

[Jason Polak]

Dear List,

I was hoping someone could help me with the new drawn mask behaviour
that I recently noticed in 3.x. I am using 3.1.0-git279.9ecbf1787

On earlier versions like 2.4, drawn masks would work like this:
1. click on drawn mask
2. For example, take a circle with radius of solid circle 1 and dotted
circle 2.
3. If I click display mask (yellow stuff) the inner circle would be
opaque yellow and between the solid circle and dotted circle there would
be a falloff of translucent yellow
4. If I invert the polarities, the places in the image with X yellow
(where X is between 0 for not there and 1 for opaque) would now have 1-X
yellow -- precisely what I would expect from inverting polarity

Now, in the latest version of darktable, I have this very weird behaviour:

1. click on drawn mask
2. Take a circle with radius of solid circle 1 and radius of dotted circle 2
3. If I click on display mask (yellow stuff), now the inner cirlce isn't
even opaque yellow -- I now have to adjust the mask opacity in a new
slider to about 0.70 to get it to look similarly to the old mask
4. If I invert the polarities, the X to 1-X doesn't even work any more.
I have to readjust the "mask opacity" to about -0.70 to get the effect
that would have happened in the old darktable

I truly do not understand the logic of having so many mask controls, or
why the default drawn mask is no longer 100% opaque in the solid circle.
Moreover, having 4 new sliders to control various aspects of the mask
seems like overkill -- everything that can be done with these new
controls can be pretty much done with the old darktable with fewer
sliders and less fiddling.

Please, is there any setting or way to get the old darktable behaviour
with the drawn masks?

Thanks!
Jason

On 2020-04-03 10:47 a.m., Romano Giannetti wrote:
> Greetings!
> 
> On 01/04/2020 04:08, Guillermo Rozas wrote:
>>
>> However, there are really few instances in which both would disagree.
>> If you keep all your edition on darktable, the most probable reason
>> for disagreement is xmp file corruption and non-updates because of
>> power failure, and then the database should be the most accurate
>> source.
>>
> 
> In my case, this is more or less the norm. I use darktable on three
> different computers; the photo repository is shared and kept in sync
> between the three (via unison, which is a kind of rsync). Keeping in
> sync the database is not viable (different computers, very difficult to
> avoid corruption if I have two darktable left opened on two computers,
> etc).
> 
> So I rely on the "xmp scan" features, and always give preference to the
> sidecar. It has worked ok the last couple of years, provided that the
> version of DT on the three machine is always the same.
> 
> Romano
> 

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[darktable-user] darktable denoising

[Jason Polak]

Dear Users and Devs,

So, I downloaded Darktable 3.1 from the OBS.

Looks really good. One feature that I love more than any other is the
new profiled denoise. I posted an example here:

https://www.dpreview.com/forums/post/63485733

The new profiled denoise is really awesome. It requires very little work
to get pretty decent results. It is the biggest improvement for me. With
previous versions I would use a combination of profiled denoise,
non-local means module, and sometimes selective mask equalizer, which
worked decently but this is just effortless! I think my workflow will be
much improved (before it was already pretty great though).

As always, a wonderful program and I'm really excited to try out a few
more features.

Sincerely,
Jason

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Re: [darktable-user] I NEED HELP!

[Jason Polak]

Just a guess, but before the 3.0 update, did you move the photos to a
different location and forget to reimport them? If you did that you
could reimport them using import -> folder using an older 2.x version of
darktable.

Not sure why the matrix thing isn't working though.

Jason

On 12/28/19 11:50 AM, Kimberley Sachs wrote:
> I recently updated to darktable 3.0 in hopes of fixing an issue to be
> able to access my photos for editing. I used to get an error message
> that said the photo was unavailable (prior to 3.0 update). Now, I get an
> error: Nikon Corporation Nikon D7200 color matrix not found. I
> absolutely need to access these photos! They are for a client project. HELP!
> 
> 
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Re: [darktable-user] Sharpening

[Jason Polak]

I would suggest combining your sharpening technique with various levels
of the equalizer module. If you drag up the histogram in that module, it
will give coarser levels of sharpening, depending on how far left you
start. So while basic sharpening takes care of the fine detail, the
equalizer can obtain more defined-looking images.

Jason

On 2019-08-06 8:36 p.m., andrew wrote:
> Hi,
> I find that I can sharpen images in DT if they are oonly a little bit
> out. Then I slide the radius 6 to 9mm to the right and then the
> sharpening around 75% of its scale to the right. I normally get the eyes
> super sharp in camera, but when using fast glass at full aperture I need
> to move my focus points so that I do not have to focus and recompose. 
> Andrew
> 
>

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Re: [darktable-user] How to make Darktable not to use basecurve.

[Jason Polak]

In  the darkroom on any given image, reset the base curve, and create a
new present. Check the box "apply to matching images". This will apply
the flat line basecurve (=no basecurve) to all new images you import
from now on.

Jason

On 20/4/19 4:10 pm, Johann Spies wrote:
> I have removed the tick under core-options to use per camera base-curve
> automatically, but that does not make any difference.
> 
> This is Darktable 2.6.1
> 
> Regards
> Johann
> 
> -- 
> Because experiencing your loyal love is better than life itself,
> my lips will praise you.  (Psalm 63:3)
> 
> 
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Re: [darktable-user] ATTENTION: darktable master may go unstable.

[Jason Polak]

Just want to say, it's really cool to follow the development of
darktable and see the history of this great program in the making! Seems
like some cool features!

Jason

On 7/3/19 4:28 pm, Edgardo Hoszowski wrote:
> So everybody is in the same page, a few notes:
> 
> Modules can now be moved pretty much everywhere (with shift + drag), if
> not, the system will not allow it (i.e. RAW modules can't be mixed with
> Lab/RGB modules)
> The only exception is:
> Lab modules can't be before input color profile or after output color
> profile, if so, results are unexpected. This will be eventually handled,
> but we're not there yet.
> 
> A new profile 'work profile' has been added to the input color profile.
> RGB modules between input color profile and output color profile will
> use this RGB color space. For modules that were before the input color
> profile results should be very close, as the default is linear rec 2020,
> and camera RGB is also linear.
> 
> Backwards compatibility is guarantee, so previous edits should be
> exactly the same, if not, let me know and I'll look into it.
> 

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Re: [darktable-user] Photos doubling in size?

[Jason Polak]

Please just reply to list, not to me.

I suggest starting with 85, and adjusting as needed. Export a bunch, and
test for yourself.

The reason is because the artefacts in a compressed JPEG are a result of
the compression but also artefacts alone can also be seen as a single
image in itself and not part of the compression.

For example:

001

Could be saved with lossy compression as the number

000

And will only require a 0 plus the number of 0s. However, when you open
this number in a text editor and save it uncompressed it will still take
as many bytes as the original number before compression killed it.

Jason

On 11/2/18 8:12 PM, Buck Shockley wrote:
> I'm surprised that it could go higher than the source file then, but you
> learn something new every day. What numbers should I hover around to
> keep size down without a noticeable loss in quality?
> 
> On Fri, Nov 2, 2018, 8:06 PM Jason Polak  <mailto:jpo...@jpolak.org> wrote:
> 
> It is because your compression/quality setting is too high. You probably
> have it near 100. Try quality setting of closer to 85. Might have to
> experiment.
> 
> On 11/2/18 7:53 PM, Buck Shockley wrote:
> > This happened when editing JPEG files, not RAW.
> >
> > This is happening in Darktable 2.4.4 on Manjaro.
> >
> > The original JPEGs are ~12 MB in size and the exported are ~24.
> >
> > I'm shooting with a Nikon D3400.
> >
> > Due to the size of these files, I have to send them as a Google Drive
> > link. All of the photos I've exported have their size increased to
> some
> > degree, but this is the most egregious case:
> >
> > https://drive.google.com/open?id=1geo8SkVQ1sLE8dQXtr2ydyu2XZ1ShSu9
> >
> > Sorry for not sending this info earlier.
> >
> > -Buck
> >
> 
> 
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Re: [darktable-user] Photos doubling in size?

[Jason Polak]

It is because your compression/quality setting is too high. You probably
have it near 100. Try quality setting of closer to 85. Might have to
experiment.

On 11/2/18 7:53 PM, Buck Shockley wrote:
> This happened when editing JPEG files, not RAW.
> 
> This is happening in Darktable 2.4.4 on Manjaro.
> 
> The original JPEGs are ~12 MB in size and the exported are ~24.
> 
> I'm shooting with a Nikon D3400.
> 
> Due to the size of these files, I have to send them as a Google Drive
> link. All of the photos I've exported have their size increased to some
> degree, but this is the most egregious case:
> 
> https://drive.google.com/open?id=1geo8SkVQ1sLE8dQXtr2ydyu2XZ1ShSu9
> 
> Sorry for not sending this info earlier.
> 
> -Buck
>

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Re: [darktable-user] Thanks for the manual. Thanks for the videos, but...

[Jason Polak]

> What I would like to see is the DT manual to have some sort of
> capability to be edited by users. Like a page feedback or wiki based
> with approval process. This way users can collaborate and contribute to
> the manual. 
This is a cool idea and I would contribute to it. Although, I think
there is a difference between a user's guide and a manual, as the former
might be more geared towards creative uses of the modules beyond their
basic technical description. Perhaps a new "user's guide" wiki could be
created in this regard?

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Re: [darktable-user] Thanks for the manual. Thanks for the videos, but...

[Jason Polak]

That is an interesting viewpoint. Surprising as it may seem, I think a
lot of people like watching tutorial videos. I am not one of them, but
they are very popular. In one sense, it is easier for some people
because you can see where the mouse cursor goes as well, instead of
following menu->submenu instructions.

Also, although darktable has evolved quite a bit since I started using
the 1.4 or so version, most of the basic editing is still the same.

People also like making videos. I think for people doing that in their
spare time, if that's the kind of documentation they like to create, the
fact that text is more searchable isn't going to matter much considering
making videos is more like a hobby.

Jason

On 2018-10-23 01:25 PM, dt-l...@stefan-klinger.de wrote:
> tl;dr: Videos are hard to make, antiquate fast, and are hard to search.
> 
> Having done teaching, I've had lengthy discussions about tutorial
> videos, lecture recordings, interactive apps and stuff like that.
> Here's my personal view:
> 
> Don't get me wrong: I *sincerely appreciate* the effort put into
> producing tutorial videos.  And I *admire* the required enthusiasm and
> discipline.
> 
> Video makers are heroes!
> 
> However, I think that the required effort stands in no justifiable
> relation to the benefit.  And I'm sorry to say that.  Here's why:
> 
> Software evolves.  And while it's already difficult to keep text based
> documentation in sync with changes in software, this is exceptionally
> difficult for videos.  In the best case it's only menus moving to
> other places, in the worst case a concept is modelled completely
> different in a new software version.

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Re: [darktable-user] Parametric Mask Scale

[Jason Polak]

Do you mean adjusting the various parameters of the scale? I find the
current method works pretty well for hue though I can see where you're
coming from when it comes to the L,a, or b channels. Do you have a
specific use case in mind?

On 2018-10-07 08:39 AM, David Vincent-Jones wrote:
> The lineal scale that is used for parametric masking is, I find, rather
> restricting when I am making adjustment, particularly at the low end of
> the scale. Would it not be more in keeping with other scales in general
> to use a log scale for this function?
> 
> Does anybody share this view or is there a very good reason for using
> the present scale?

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Re: [darktable-user] a7r2

[Jason Polak]

> Last time I checked, the Nikon firmware came as executable for
> Windows, which actually was a self-extracting RAR archive.
> 
> I've found out with the file(1) utility, as described here [1].
> Maybeyou can apply this to the firmware file you get from Sony and see
> what it says.

>From what I've seen on the Sony site, that's probably not going to work
because it shows in the screenshots that Sony's updated is actually a
program that has a GUI and updates the camera from the GUI, rather than
from the SD card.

Though I like the innovations of Sony cameras, their business practice
is irksome (rootkits, hard to buy their music online, removing Linux
support from the PS3, etc.)

Well, to the OP, let us know how the update goes, most likely you'll
have to find a OS X or Windows machine.

Jason

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Re: [darktable-user] Selective contrast

[Jason Polak]

That is a very interesting idea. Often I feel like a mask based on focus
would be useful. I don't think there's an easy way to do this in darktable.

What I found works sometimes is creating a parametric mask based on
colour, if the focus areas are of a different colour than the unfocused
areas. This frequently happens in wildlife where the background is green
or blue but the rest of the image is something else.

Then you can use the local contrast or equalizer with this mask in order
to enhance details only in the focused areas - sometimes useful to
prevent such modules from further enhancing the noise in the background.
Such noise is especially visible in green colours with my camera, which
is why I've given this some thought.

Maybe a colour parametric mask would work for your use case, too.

Jason

On 2018-07-30 10:09 AM, darkta...@911networks.com wrote:
> DT 2.4.4 on Manjaro
> 
> Is there a way of changing the contrast level based on the level of
> details?
> 
> Something like wavelets? My recollection is that wavelets are already
> used for showing the focus areas. I'd like to increase the
> contrast/details in these areas.
> 

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Re: [darktable-user] One panel with basics

[Jason Polak]

I would like to provide a counterpoint. I am wondering if perhaps the
quick-slider panel way of doing things actually is more natural for
people who come from lightroom or other programs, just because it exists
in those programs.

I pretty much started using darktable first, and only tried Lightroom
later. For me, after a few days of using it, using darktable became very
natural. This is true for both quick edits and complex development. The
concepts I want to use are easily mapped onto darktable functions. In
contrast, I tried Lightroom for a few days out of interest and I found
their 'quick slider' approach to be frustrating and counterintuitive,
simply because I used it after using darktable. After using Lightroom
for a while I got used to it too, but I prefer darktable's UI.

My first point is that if this 'simple slider' function were made part
of dt, it should be easy to deactivate it so that it does not appear at all.

My second point is that perhaps there is also simplicity in the way
darktable currently does things, and from some users' perspectives,
having a 'simple slider' function that links to other modules might
actually complicate the UI. Moreover, if a bunch of new users are
exposed to the 'simple slider', I wonder if it might make it more
complicated for some and easier for others? (In that having two ways to
modify an option might be confusing, and there is a real chance of
messing up the nice system we already have).

Jason

On 2018-07-12 01:35 AM, kneops wrote:
> I could present myself as an example user. I started like many others in
> the ninetees with Photoshop, part as a freelance photographer, later
> combied with my profession as a webdesigner. I worked for many years on
> Windows and Macs, now exclusively on Linux. I used many kinds of
> software, from llustrator to Flash to Gimp to all kinds of video editing
> software and raw processors. Never have I encountered a piece of
> software that gave me such troubles getting used to as DT. In the last
> couple of years I installed and removed it many many times. A few months
> ago I gave it another try and now I'm using it as my main raw processor,
> but each time hoping there would be a simpler UI.

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Re: [darktable-user] Posting large files to mailing lists

[Jason Polak]

Just like to add that I myself appreciate the data limit on attachments.
I use a mobile broadband plan as my primary home internet. It is not
monthly, but rather prepaid.

The main advantage is that if I just check email and a couple news sites
(while using noscript/adblock/ghostery to limit external javascripts),
7GB can actually last ten months, and it comes to around $5AUD a month...

Jason

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Re: [darktable-user] Export preset

[Jason Polak]

I think what he means is that one preset will automatically export to
different sizes and paths, so the dialog would have something like a
+sign to add additional paths/sizes/formats, sort of like
batch-processing a bunch of 'usual presets'. That said, I don't think
it's possible to do in darktable, but I could be wrong

On 2018-03-04 07:04 AM, Patrick Shanahan wrote:
> * darkta...@911networks.com  [03-03-18 13:42]:
>> DT 2.4.1
>>
>> Is there a way of having one preset do multiple exports?
>>
>> I'd like to have 1 preset with different settings and export path.
>>
>> Is it possible?
> 
> a preset is a predefined group of settings. how would you have a preset
> with different settings?
> 

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[darktable-user] upgraded to darktable 2.4.0

[Jason Polak]

Dear Devs and Users,

I upgraded to the latest darktable 2.4.0 (on Linux Mint 18 64 bit). I 
played around with it a little and I hope some people might be 
interested in my initial impressions of it.


I tried the Haze Removal tool. Seems to work pretty well and gives 
superior results to just naively fiddling with the black-point (as 
sometimes happens, hazy pictures sometimes have the blackest point not 
quite black).


I enjoy the new 'right click to remove nodes' feature as well. Also, the 
CTRL-click to make more minute adjustments is cool. I am interested to 
try the additional mode of the local contrast module though I haven't 
yet a chance to.


One of my new favourites is the 'middle-click to add new instance' 
feature. I often add an additional instance of the equalizer module 
(selective smoothing of particularly noisy areas) or the exposure module 
and this midde-click feature has made my workflow quite breezy and smooth.


Thank you to all the devs. I've been using darktable since around 
version 1.5 (still quite good back then) and it continually astounds me 
how it powerful it is and how it only gets better.


Sincerely
Jason

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Re: [darktable-user] Demosaic module

[Jason Polak]

Hi Paul,

Cameras typically capture photos with individual red, green, and blue 
photosites separately. So before demosaicing, your Raw is just all that 
information before it is combined into a usual picture. Demosaic turns 
this mosaic into a usual picture. So you probably want this on!


Jason

On 2017-07-28 12:27 AM, Paul Deverson wrote:

Hi,

I can’t seem to activate the Demosaic module. With every other module I can 
turn it on and off by clicking on the on/off switch icon. But not Demosaic.

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

[Jason Polak]

I don't understand why this reply had to be so snarky. Wow, darktable is 
not Lightroom! I never could have guessed that.


All the guy wants to do is figure out the steps to get printing to work. 
Yes, we get it that the job is sent to the printer queue, and then it's 
the user's job to do the rest...so how is that done exactly? Is it 
possible to get OS X to bring up a similar Epson print dialog in this 
process or not (which may not necessarily be a question about Darktable)?


Hopefully someone with access to this equipment or a similar setup can 
help the OP, without the attitude.


Jason

On 2017-03-14 10:16 AM, Patrick Shanahan wrote:


darktable does not do the printing or manipulate the printer.  it just
sends the job to the printer queue, cups.  *you* tell the printer how to
handle the print job using whatever you have to control your printer.
darktable *will* *not* deny you the use of any printer, that is determined
by your operating system and the software you have installed to
control/access your printer.

darktable is an application to produce and alter graphic images from a
camera, raw or jpg/tiff/...  it doesn't control your printer, it only
sends out a print job the the queue to be handled by and how you direct.

using/controlling "Epson ABW" is *your* job.

and darktable != lightroom, thank goodness!

ps: darktable will not open a beer or brew coffee for me.



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Re: [darktable-user] spot on graycard

[Jason Polak]

Go to the White Balance module and in the preset field select 'spot', 
then drag a small rectangle inside the pixels taken up by the grey card, 
or other grey pixels like a white wall.


On 2017-02-19 06:49 AM, Michael wrote:

Is there anything where we can like take a picture of a gray card and
then it adjusts the white balance to make it the color it is supposed to
be? hm
What about a color card or something like that too?

--
:-)~MIKE~(-:


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Re: [darktable-user] How to avoid a halo

[Jason Polak]

Sometimes what might work is changing the "soften with" parameter from 
"Gaussian" to "bilinear filter" (fourth option in the module).


On 16-12-04 01:26 PM, Terry Duell wrote:

Hello All,
A lot of my photography is of birds and often the bird is shot against a
bright sky.
Decreasing highlights often results in a visible halo.
Are there any ways of avoiding this?

Cheers,


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Re: [darktable-user] dust cleaning

[Jason Polak]

Hi!

Interesting problem. I would of thought it possible to at least draw the 
masks for the spot removal module and save it as a preset, but I just 
tried it and it's not possible to save drawn masks as a preset, most 
likely because it depends on the exact dimensions of the imported image. 
Maybe someone can make a Lua script that does this? (Note I'm not even 
sure how to use this feature so it might not be possible).


Or, you can get your sensor cleaned...something I've still not got 
around to doing!


Jason

On 16-09-06 07:31 AM, I. Ivanov wrote:

Hi Guys,

I have some small spots on the pictures that appear to be always at the
same area and are mainly visible on long exposures. If I understand
correctly - Canon has a way to collect dust data and somehow clean these
areas (my guess is by approximating the pixels). Is there a way to do a
similar thing with DT?

Regards,

B



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Re: [darktable-user] How to remove red flare from photo

[Jason Polak]

Not perfect, but depending how large this clip is in the main image you 
could try a quick and dirty adjustment using the 'color zones' module to 
adjust the red hues closer to the colour of the sweater. I included a 
quick hack that I did, combining saturation, lightness, and hue tabs to 
reduce the effect. With more patience you may be able to produce a 
slightly better result.


On 16-08-29 02:42 AM, Jos wrote:

Hi,

I have taken a picture from a sun set with my wife and son in the front.
In the picture there is an annoying big red spot. Probably a reflection
from the sun. I would like to know what is the best work flow or
module(s) to use to remove this spot. I attached the problem part of the
picture to this mail.

Thanks.



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  http://ns.adobe.com/xap/1.0/;
xmlns:xmpMM="http://ns.adobe.com/xap/1.0/mm/;
xmlns:darktable="http://darktable.sf.net/;
xmlns:dc="http://purl.org/dc/elements/1.1/;
   xmp:Rating="1"
   xmpMM:DerivedFrom="final.jpg"
   darktable:xmp_version="1"
   darktable:raw_params="0"
   darktable:auto_presets_applied="1"
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 gz02eJxjYoAAVU8hO1XPSXbbc28DaSH7vNtm9ttzo+0ZGBrsKZVfIOlv177sg23T5y67P9k/7Q79+G8H1ALSB5Z7l+1oZ/dni+3TznN2z+r+2zE2/bdb3fvIrsmjFiz3tVbR7masop27npedXfxsu4wJd+26Nh2y22PGB5ZrmPnSAQDR9Uje

   
   

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Re: [darktable-user] Noisy exports

[Jason Polak]

If your exported image is being viewed at the same zoom as in the 
darkroom, can you check whether it still looks noisy in the gimp? Some 
version of image viewers on Linux don't render large resolution images 
"correctly".


If it looks ok in the GIMP, then it's the image viewer's fault.

On 16-08-25 09:44 AM, Niranjan Rao wrote:

Greetings,

I am new to raw image development and trying to figure out what I am
doing wrong.

My main problem seem to be stemming out from the fact that when I export
the image, it does not look like image in darkroom screen. I am trying
to process images generated by Canon PowerShot SX60 HS. Exported image
always felt more noisy or grainy.

A little bit of experimentation and tinkering of many knobs, I figured
that exported image quality seems to be function of size. If I leave
exported size to 0, darktable exports in default size (in my case, it's
4768 X 3516), exported images look grainy. If I export in smaller size -
say 1600, they look much nicer.

Is this normal - having noise in default sized exported image and
looking cleaner in smaller image? Is there anything I can do to address
this issue?

Alternatively, what would be good or usual size to export the image? I
am just a home user of camera and darktable, rarely print my images and
images are used only for viewing by family and sharing across various
mediums such as facebook and WhatsApp.

I on Ubuntu 16.04, using darktable version 2.0.3 from standard ubuntu
repositories. I am using standard Ubuntu image viewer to view exported
image.


Best,

Niranjan



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[darktable-user] aftershot pro 3, lightroom

[Jason Polak]

Dear List,

Forgive me if this is out of place. I've been a Darktable user with my
Pentax K-50 for a long time.

I just want to say I very recently tried for quite some time the latest
versions of Corel Aftershot Pro 3 and Adobe Lightroom (I'm fond of trying
editors), and I've found Darktable to be far superior to both of them.
Although each of course has some unique features, Darktable's advanced
parametric masks and its wide range of modules makes it intuitive and easy
to use, and more importantly more fun than Lightroom and Aftershot.

Thanks very much to all the developers of Darktable!

Jason


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