Re: [darktable-user] Spot removal gone in 3.6 - ouch!

[Rafa García]

Ouch, I have had to read it twice 

Have a nice day,
Rafa

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El vie., 29 oct. 2021 8:26, Michael Staats  escribió:

> On 29/10/2021 08:21, Rafa García wrote:
> > Hi,
> >
> >   You're lucky, the retouch module has a cloning mode that works in the
> > same way as the old spot removal.
> >
> > Check the manual:
> >
> >
> https://docs.darktable.org/usermanual/3.6/module-reference/processing-modules/retouch/
> > <
> https://docs.darktable.org/usermanual/3.6/module-reference/processing-modules/retouch/
> >
>
> [ ... ]
>
> > El vie, 29 oct 2021 a las 8:17, Michael Staats ( > <mailto:michael.sta...@gmx.de>>) escribió:
> >
> > On 29/10/2021 07:00, Andrew Greig wrote:
> > > Hi All,
> > >
> > > I have just moved to DT 3.6 Ubuntu 20.04 LTS and I miss the Spot
> > removal
>
> [ ... ]
>
> > have the same complaint -- until I found out that the functionality
> of
> > the cloning tool is still available in the retouch module, you just
> have
> > to activate the "cloning tool" in the algorithms section.
>
> Hi,
> well, I think that's exactly what I wrote already (see above -- yes,
> above ;-). But as I also wrote recently, emails are write-only, or at
> least write-mostly nowadays, so...
>
> Anyway, the links to the manual might helpful.
>
> Regards,
> Michael
>
> --
> Michael Staats
> michael.sta...@gmx.de
>


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Re: [darktable-user] Spot removal gone in 3.6 - ouch!

[Rafa García]

Hi,

  You're lucky, the retouch module has a cloning mode that works in the
same way as the old spot removal.

Check the manual:

https://docs.darktable.org/usermanual/3.6/module-reference/processing-modules/retouch/

Regards,
Rafa

El vie, 29 oct 2021 a las 8:17, Michael Staats ()
escribió:

> On 29/10/2021 07:00, Andrew Greig wrote:
> > Hi All,
> >
> > I have just moved to DT 3.6 Ubuntu 20.04 LTS and I miss the Spot removal
> > tool. Please re-instate it. Some, mistakenly, I believe, consider the
> > Retouch module to be superior in function to the spot removal tool.
>
> Hi
> I don't think the retouch module (with the "healing" algortihm) is
> superior, it's just different. I would totally agree with you, and would
> have the same complaint -- until I found out that the functionality of
> the cloning tool is still available in the retouch module, you just have
> to activate the "cloning tool" in the algorithms section.
>
> I'd like to add: Of course, because the darktable developers for sure
> know and understand that cloning is different from retouching, and
> certainly a valid use case. So we can trust them -- thanks for
> darktable, by the way!
>
> But I agree, it was not really obvious...
>
> Best regards,
> Michael
>
>
> --
> Michael Staats
> michael.sta...@gmx.de
>
> 
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Re: [darktable-user] Missing Histogram

[Rafa García]

You're welcome (I guess, because I did nothing )

I'll try to reproduce it on my computer. If can reproduce it, I'll fill an
issue in GitHub (https://github.com/darktable-org/darktable/issues)

Regards,
Rafa

El jue, 11 mar 2021 a las 17:06, Patrick A. Grewe (<
patrick.a.gr...@gmail.com>) escribió:

> Hi Rafa,
>
>
>
> I’m not sure, so changed the theme and restarted a couple times.  Still no
> histogram.  Then, I just started playing with buttons.  As it happens, the
> red, green, and blue color channels were turned off.  I discovered that if,
> and only if, all three color channels are on, then I get the complete
> histogram, including luminosity.  If any of the three color channels are
> turned off, then I get only the remaining color channels, without
> luminosity.  It is impossible to get luminosity only.
>
>
>
> So, the histogram is back, with the limitations described.
>
>
>
> Thanks for your input.
>
>
>
> Patrick Grewe
>
>
>
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for
> Windows 10
>
>
>
> *From: *Rafa García 
> *Sent: *Thursday, March 11, 2021 6:21 AM
> *To: *Patrick A. Grewe 
> *Cc: *m...@gmx.net; darktable-user@lists.darktable.org
> *Subject: *Re: [darktable-user] Missing Histogram
>
>
>
> HI Patrick,
>
>
>
>   Did you restarted when changed from theme to theme?
>
>
>
> Regards,
>
> Rafa
>
>
>
> El mié, 10 mar 2021 a las 20:55, Patrick A. Grewe (<
> patrick.a.gr...@gmail.com>) escribió:
>
> Hi Manuel,
>
>
>
> Thank you.  I do appreciate your help.
>
>
>
> I just now confirmed that I am using a standard theme.  In addition, I
> tried all the other standard themes and nothing restored the histogram.  I
> opened the test images directly from darktable, since another user stated
> that he was experiencing this when he opened from GIMP.
>
>
>
> darktable has been buggy for me since Version 3.4 was introduced.  I am
> not an expert user and have neither the skill nor inclination to fuss with
> it anymore.  I think I will be moving on to something else.
>
>
>
> Thanks, again.
>
>
>
> Best regards,
>
> Patrick Grewe
>
>
>
>
>
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for
> Windows 10
>
>
>
> *From: *Manuel Presnitz 
> *Sent: *Tuesday, March 9, 2021 3:29 PM
> *To: *darktable-user@lists.darktable.org
> *Subject: *Re: [darktable-user] Missing Histogram
>
>
>
> Hello Patrick,
>
>
>
> > Here is a screenshot. As you can see, the histogram window is open, but
>
> > there is no histogram visible. If I click and scroll in the window,
>
> > exposure is effected. Can this be fixed
>
>
>
> I also experienced this behavior some time ago. The reason was that I used
> a
>
> customized "theme" ("general" tab in the settings) and I assume some CSS
> styles
>
> changed. However, the problem was fixed after switching to a standard
> theme,
>
> which was shipped with dt.
>
>
>
> Hope this helps,
>
> Manuel.
>
>
>
>
>
>
> 
>
> darktable user mailing list
>
> to unsubscribe send a mail to
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>
>
>
>
>
>
> 
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>
>
>
>
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>
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Re: [darktable-user] Missing Histogram

[Rafa García]

HI Patrick,

  Did you restarted when changed from theme to theme?

Regards,
Rafa

El mié, 10 mar 2021 a las 20:55, Patrick A. Grewe (<
patrick.a.gr...@gmail.com>) escribió:

> Hi Manuel,
>
>
>
> Thank you.  I do appreciate your help.
>
>
>
> I just now confirmed that I am using a standard theme.  In addition, I
> tried all the other standard themes and nothing restored the histogram.  I
> opened the test images directly from darktable, since another user stated
> that he was experiencing this when he opened from GIMP.
>
>
>
> darktable has been buggy for me since Version 3.4 was introduced.  I am
> not an expert user and have neither the skill nor inclination to fuss with
> it anymore.  I think I will be moving on to something else.
>
>
>
> Thanks, again.
>
>
>
> Best regards,
>
> Patrick Grewe
>
>
>
>
>
> Sent from Mail  for
> Windows 10
>
>
>
> *From: *Manuel Presnitz 
> *Sent: *Tuesday, March 9, 2021 3:29 PM
> *To: *darktable-user@lists.darktable.org
> *Subject: *Re: [darktable-user] Missing Histogram
>
>
>
> Hello Patrick,
>
>
>
> > Here is a screenshot. As you can see, the histogram window is open, but
>
> > there is no histogram visible. If I click and scroll in the window,
>
> > exposure is effected. Can this be fixed
>
>
>
> I also experienced this behavior some time ago. The reason was that I used
> a
>
> customized "theme" ("general" tab in the settings) and I assume some CSS
> styles
>
> changed. However, the problem was fixed after switching to a standard
> theme,
>
> which was shipped with dt.
>
>
>
> Hope this helps,
>
> Manuel.
>
>
>
>
>
>
> 
>
> darktable user mailing list
>
> to unsubscribe send a mail to
> darktable-user+unsubscr...@lists.darktable.org
>
>
>
>
>
> 
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Re: [darktable-user] Crash with retouch module

[Rafa García]

Hi,

  You probably hit with this bug (already fixed in master):
https://github.com/darktable-org/darktable/issues/7929

Regards,
Rafa

El lun, 15 feb 2021 a las 11:22, Dieter Faulbaum (<
m...@faulbaum.in-berlin.de>) escribió:

>
> Trying to learn a little bit more about the darktable modules
> (using the
> user manual), I deploy the retouch module a little bit.
>
> Every time I increased the wavelet decompose scales over 9 or 10,
> darktable crashes (immediately).
> Looking (only superficially) at the debug lines, there are many
> lines
> which show the AMD OpenCL libraries, but disabling the OpenCL
> support
> doesn't help for the crash behaviour.
>
> I'm not sure, if I made an error, increasing the scales so high
> (without
> doing something else).
>
> Can anyone tell me, if she/he gets this crash too (before writing
> a bug
> report) or if it's my fault.
>
> Thanks of helping
>
> 
> darktable user mailing list
> to unsubscribe send a mail to
> darktable-user+unsubscr...@lists.darktable.org
>
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Re: [darktable-user] Where should my monitor ICC profile be stored in Linux?

[Rafa García]

You should create that directory in your user home directory, something
like  $HOME/.config/darktable/color/out

/usr/share directories are system directories and could be overwritten or
deleted by the package/application on updates, uninstalling,
reinstalling... In general, they should not be modified by users.

Cheers,
Rafa

El mié., 11 nov. 2020 a las 13:33, tony Hamilton ()
escribió:

> Further to my earlier reply, I am intrigued to understand why there is
> no directory '/color/out' within the 'usr/share/darktable' directory -
> which is where dt says it will look for a monitor profile. I am unable
> to create the required directory, except via use of sudo in a command
> line - which somewhat defeats the security and integrity of the usr
> direcory.
>
> What have I misunderstood ?
>
> On 10/11/2020 19:03, ternaryd wrote:
> > On Tue, 10 Nov 2020 17:53:59 +
> > tony Hamilton  wrote:
> >
> >> myself, failing to understand the
> >> implications of 'input' in 'input profile'.
> > An input color profile just tells darktable
> > the meaning of the numbers in the input file.
> > If this is a raw file from your camera, and if
> > you've prepared a specific profile for that, you
> > can replace the standard matrix which is used
> > by default.
> >
> >> how to tell dt where my icc profile
> >> is
> > You don't. darktable has a few places where to
> > look for input profiles. If you open the input
> > color profile module and hover the mouse over
> > the text "input profile", darktable will tell
> > you, where. A typlical place is
> > ~/.config/darktable/color/in. Whatever is
> > there, darktable will give you a choice for the
> > image you are working on.
> >
> > Beware, darktable won't show you a file name
> > but the name which is within that profile.
> > Having there two versions of the same profile,
> > might give you two equal entries in the menu,
> > even if the file names are different.
> >
> >> I did calibrate the monitor, using SpyderX and
> >> its calibration software,
> > The monitor is an output device. If this is not
> > available throuch Xatoms or colord, you can
> > choose it in lighttable, the monitor icon at
> > the left lower corner of the central area.
> >
> >> but under Windows
> > I'm not a Windows user, but I would expect
> > argyll and displaycal to be available. You
> > don't need them to use darktable. You only need
> > them, if you want to prepare your own profiles.
> > You can use any other method to do so. As long
> > as the resulting profiles are valid, darktable
> > should be able to use them. For creating new
> > profiles, you might want to search for help on
> > the argyll mailing list.
> >
> >> how colour management is implemented in dt.
> > darktable can use the system wide color
> > management settings, but offers you the options
> > to make specific choices for each image you
> > edit.
> >
> 
> > darktable user mailing list
> > to unsubscribe send a mail to
> darktable-user+unsubscr...@lists.darktable.org
> >
>
> 
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Re: [darktable-user] Establishing a New Module Layout

[Rafa García]

I'd like to stand up for this feature. I had the opportunity to read the
pull request which explains the rationale behind it [1].

Once I understood it, I waited for its implementation. With a good UI, it
could be a great feature. It could allow you to declutter the UI and adapt
darktable to your workflow.

First time I didn't invest time on it and tried to work as always. Ouch! I
missed my favs too. Ok, time to read the (temporary)manual[2].
After that, I tried it again and really liked it. It's easy to modify (add,
remove & change tab order) and you see all the modules used at glance.

Cheer,
Rafa

[1] https://github.com/darktable-org/darktable/pull/5683
[2]
https://elstoc.github.io/dtdocs/module-reference/utility-modules/darkroom/manage-module-layouts/

El lun., 26 oct. 2020 a las 13:16, Willy Williams ()
escribió:

> This whole issue seems to be a solution in search of a problem.  I'm just
> sayin'...  
>
> Willy Williams
>
> 
> On 10/25/2020 at 22:24, Matt Maguire wrote:
>
> It's because the favorites tab is made redundant having the ability to
> fully customise your groups. if for some reason you want a favorites tab,
> then no worries, just create a module group called "favourites" (you can
> even use a "star" icon for it, like we used to have), and assign whatever
> favourite modules you want to your new custom favourites group.
>
>
> On Mon, 26 Oct 2020 at 13:18, Bruce Williams  wrote:
>
>> I haven't tried any builds post the stable version of 3.2.1, but wanted
>> ask, why is the favorites tab being removed? Or is this just a temporary
>> situation during the development cycle?
>> Cheers,
>> Bruce Williams.
>>
>> -- Forwarded message -
>> From: Patrick Shanahan 
>> Date: Mon, 26 Oct 2020, 12:38
>> Subject: Re: [darktable-user] Establishing a New Module Layout
>> To: darktable forum 
>>
>>
>> * David Vincent-Jones  [10-25-20 21:06]:
>> > I am still finding problems in establishing a 'custom' module layout now
>> > that the Favorites column is removed. The following describes my
>> approach
>> > and some apparent problems that have resulted.
>> >
>> > a. I started with a 'scene referred' module set and then deleted all
>> modules
>> > that I would not generally use. That module grouping was then saved.
>> >
>> > b. Then I opened an image and turned on the most common modules and
>> saved
>> > each 'on' module as a named preset.
>> >
>> > c. Then I was able to see my module selection correctly shown in the
>> 'active
>> > module' column.
>> >
>> > d. Next I saved all of the active modules (with check marks) in a new
>> style.
>> >
>> > My hope was that this style would place only my common modules (in the
>> > correct order) in the active column for other images. To my surprise
>> modules
>> > from other groups not only appeared but were turned on. For instance
>> > filmic-rgb and base-curve were both showing as being active!!
>> >
>> > I do understand that this is under development but I wonder if others
>> are
>> > having similar problems and have found a way around the difficulties.
>>
>> create a module/collection named "Fav" or your choice
>> populate it with your favorite modules.
>>
>> --
>> (paka)Patrick Shanahan   Plainfield, Indiana, USA  @ptilopteri
>> http://en.opensuse.orgopenSUSE Community Member
>> facebook/ptilopteri
>> Photos: http://wahoo.no-ip.org/piwigo   paka @ IRCnet
>> freenode
>>
>> 
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>>
>>
>> 
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>>
>
> 
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Re: [darktable-user] New Module Ordering

[Rafa García]

No need to apologize. You didn't sound as you were complaining :)

In fact, I think you were really helpful with your screenshots.

Have a nice weekend,
Rafa

El vie., 16 oct. 2020 a las 16:17, KOVÁCS István ()
escribió:

> On Fri, 16 Oct 2020 at 10:54, Rafa García  wrote:
>
> > I think you nailed it: You're using a development build and changes are
> expected.
>
> Sure, I didn't mean to whine. I guess I phrased it wrong, sorry.
>
> Kofa
>
> 
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Re: [darktable-user] New Module Ordering

[Rafa García]

I think you nailed it: You're using a development build and changes are
expected.

You can understand the rationale behind this change in this PR:
https://github.com/darktable-org/darktable/pull/5683

Cheers,
Rafa


El vie., 16 oct. 2020 a las 10:02, jys ()
escribió:

> On Thu, Oct 15, 2020, at 23:48, KOVÁCS István wrote:
> >
> > It would have been nice to migrate existing favourites and add enabled
> > modules to the respective categories automatically; now a few thousand
> > people will have to re-add their modules.
>
> When first viewing the new group manager window, there was a preset named
> something like "previous groups" which has your original settings. If you
> want to keep them, you can save that as a named preset. I agree, though,
> that it would be nice to make this transition a little bit smoother before
> the next release, rather than the somewhat disorienting way it works now...
> but don't forget that you're using a development build... you should be
> prepared for things like that. :-)
>
> --
> jys
>
> 
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Re: [darktable-user] Crop isn't being saved and other crop bugs

[Rafa García]

I can't solve your cropping issues, sorry.
This could mitigate your pain: I enable crop and rotate using a shortcut,
when the grid doesn't appear what I do is to move the rotation value with
the mouse scroll a little bit and reset back (double click in the line to
reset).

If you look for a darktable forum you have pixls.us
 in its darktable category
.
I think that you can find an updated version built by a user.

Regards,
Rafa

El mar., 6 oct. 2020 a las 19:48, Hieke van Hoogdalem (<
hieke.vanhoogda...@gmail.com>) escribió:

> Hey there,
>
>
>
> I have a question / bug report for Windows 10, dt version 3.2.1.
>
>
>
> So... I just got darktable after reading a lot of positive reviews and
> comparisons. I started yesterday and I was happy with it (rating, view only
> X stars in the viewport etc.), until my first real editing started. My
> first step is always the cropping. (BTW: I have loads of experience with
> several editors for both photos and films, I use Photoshop Elements for
> almost 15 years now, alongside other editors. I also developed websites, so
> I’m quite computer savvy. I’m not a programmer though.)
>
> So here’s the issue. MAIN PROBLEM: the crop function behaves differently
> every time. (I read the manual on this, but it doesn’t help.)
>
> When cropping an image, several problems occur:
>
>1. no cropping grid/handles are being shown
>2. automatic crop yes/no doesn't accept no as an answer
>3. the chosen grid (in my case: rule of thirds) doesn't show
>
> The software isn't stable. When I retry, it's always different: sometimes
> the rule of thirds shows up, sometimes it doesn't. Sometimes I can crop and
> it's being saved (after waiting several minutes) but most of the time the
> crop isn't applied. It shows in the history stack though...
>
> Most of the time I get the grid and handles to be shown when I go to
> Lighttable > back to Darkroom > select square > select freehand. Then I can
> finally do what I want, but nothing is being saved.
>
> I tried several times on the same photo. And on others too.
>
> Is there anything I can do to make it work? Looking into other functions
> and learning DT doesn’t make sense to me if I can’t crop firrst… I really
> hope you can help me out! I started a thread on it on Github too:
> https://github.com/darktable-org/darktable/issues/6448. I thought that
> was the forum for DT (but I guess I’m wrong).
>
>
>
> Thanks in advance!
>
> Hieke
>
>
>
> [image: Kort_met_F-sleutel_warrig_200x200]
>
>
>
> 
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Re: [darktable-user] Graphic card opensource drivers

[Rafa García]

AMD open source +  propietary (to support OpenCL) drivers installation was
discussed in pixls.us here

[1]
I have it installed in this way, automated with a script (it's commented in
the thread).

But another user arrived with a much simpler and IMHO better solution[

2]:

  $ amdgpu-pro-install --opencl=legacy,pal --headless --no-dkms

Cheers,

[1]
https://discuss.pixls.us/t/using-amd-open-source-and-the-amdgpu-pro-opencl-driver-for-image-processing/6864
[2]
https://discuss.pixls.us/t/install-opencl-from-amdgpu-pro-under-ubuntu-non-supported-version/17528/3

El jue., 1 oct. 2020 a las 18:31, Germano Massullo (<
germano.massu...@gmail.com>) escribió:

> Il 01/10/20 18:23, Peter McD ha scritto:
> > Am 01.10.20 um 16:43 schrieb Germano Massullo:
> >> AMD RX480 + Fedora user here.
> > ...
> >> You will get
> >> /home/user/amd_opencl/etc/
> >> /home/user/amd_opencl/lib/
> >> /home/user/amd_opencl/opt/
> >> /home/user/amd_opencl/usr/
> >>
> >> Then to run darktable
> >> OPENCL_VENDOR_PATH=/home/user/amd_opencl/etc/OpenCL/vendors/
> >> LD_LIBRARY_PATH=/home/user/amd_opencl/opt/amdgpu-pro/lib64/ darktable
> >>
> >
> > You do that from the command line or do you add to
> > ./.config/darktable/darktablerc
>
> Command line
>
> 
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Re: [darktable-user] camera support | darktable - question

[Rafa García]

You require nokogiri gem installed.
Execute:
  gem install nokogiri

It could fail because it needs some C libraries to get installed(sometimes
you have it installed previously). In case of error you can find more infor
here: https://nokogiri.org/tutorials/installing_nokogiri.html

Regards,
Rafa



El mié., 16 ene. 2019 a las 23:25, Bernhard ()
escribió:

>
>
> Bernhard schrieb am 16.01.19 um 14:21:
>
> Hi,
>
> according to https://www.darktable.org/resources/camera-support/
> darktable lacks of support for Nikon D500 and D850 (WB Presets and Custom
> Matrix). When I start to work on this, I want to be sure to do the right
> things.
>
>
> https://www.darktable.org/2012/10/whats-involved-with-adding-support-for-new-cameras/
> says in the first sentence:
>
> “*Update: This post is a few years old by now, and while most things are
> still valid there is at least one change: darktable doesn’t use
> dcraw/libraw and more.*”
>
> The Color Matrix chapter refers to
> https://encrypted.pcode.nl/blog/2010/06/28/darktable-camera-color-profiling/
> for getting the enhanced color matrix. This is 9 years old => still valid?
>
> The White Balance chapter points to a script
> http://ufraw.cvs.sourceforge.net/viewvc/ufraw/ufraw/wb_extract.pl that
> isn't available any more.
> How do I get further?
>
> So my questions:
>
>- Is the information given in the chapters “White balance presets” and
>“Color Matrices” still valid or is there another newer workflow documented
>somewhere (and if => where to find it)?
>- Where do I submit the results? redmine?
>
>
> In the meantime I found
> https://github.com/darktable-org/darktable/blob/master/tools/extract_wb
>
> but I get
>
> $ ./extract_wb 20190116_n5x0021.nef
> /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require':
> cannot load such file -- nokogiri (LoadError)
> from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in
> `require'
> from ./extract_wb:53:in `'
>
>
> --
>
> regards
> Bernhard
> https://www.bilddateien.de
>
>
> 
> darktable user mailing list to unsubscribe send a mail to
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Re: [darktable-user] Colored noise on over exposed areas of images

[Rafa García]

I'm not sure about it because he saws it also when image is exported.

Fred: Could you try disabling OpenCL?

Regards

2018-07-31 18:28 GMT+02:00 David Vincent-Jones :

> Raw-Overexpose-Indicators ... are turned on. Click on the mini Bayer icon
> to turn it off.
>
> David
>
> On 07/31/2018 09:06 AM, Tobias Ellinghaus wrote:
>
> Am Montag, 30. Juli 2018, 22:44:48 CEST schrieb Fred Uggla:
>
> Hi,
>
> A colored noise covers the areas of my images which are over exposed. The
> noise is also visible when the image is exported. The same "artifact" is
> not visible in rawtherapee. What could be the problem? Is there a setting
> somewhere I need to disable?
>
> Example: https://i.imgur.com/YzuhYjX.png
> left: darktable
> right: rawtherapee
>
> I'm using version 2.4.4 under debian testing.
>
> I have never seen artifacts like that. What camera is that file from and can
> you upload a sample image?
>
>
> Thanks for helping out
> Fred
>
> Tobias
>
>
>
> 
> darktable user mailing list to unsubscribe send a mail to
> darktable-user+unsubscr...@lists.darktable.org
>



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Re: [darktable-user] Image list

[Rafa García]

hi,

  In linux (equivalent in other OS), you can find two sqlite databases in
$HOME/.config/darktable directory. One library.db which contains images,
tags used in images, ... and the other is data.db which contains tags,
styles, ...

  You can use sqlitebrowser or any other sqlite client to export the data.

Regards,
Rafa

2018-04-14 19:41 GMT+02:00 :

> DT 2.4.2 on manjaro
>
> I need to create a spreadsheet.
>
> Is there a way of exporting an image list/file list for:
>
> * tags
> * labels
> * ratings
>
> These settings don't have to be in the same list, I can merge them
> later.
>
> Is there a data diagram with the relationships? If there is one, I
> could do it with sqlitebrowser.
>
> --
> sknahT
>
> vyS
> 
> 
> darktable user mailing list
> to unsubscribe send a mail to darktable-user+unsubscribe@
> lists.darktable.org
>
>


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Re: [darktable-user] What does the "subtract" blend mode do?

[Rafa García]

2018-03-07 16:13 GMT+01:00 Romano Giannetti :

>
> On 07/03/18 11:32, Matthieu Moy wrote:
>
>> Before considering a fix: any idea how the "substract" operator should
>>
>>> act in the Lab color space?
>>>
>> I have no idea ;-).
>>
>> Actually, my guess is that "subtract" is useful to blend two totally
>> different images together (e.g. blend a black text onto an image
>> for a dodge effect). For darktable where blending is done between
>> the original image and the image transformed by the module, I'm not
>> even sure "subtract" is a relevant thing to do. The fact that it's been
>> broken for years without anyone noticing is probably a sign that no
>> one ever found it useful.
>>
>>
> I am guilty of never using it in darktable, but the usage could be to see
> _where_ in the image the applied module is acting. I mean, for example, if
> you really are subtracting, and you are applying an high pass, you should
> see a black image (no variation) with just the edge highlighted.
>

[OT] I usually do this with difference blend mode. For example when I want
to know in which areas affects equalizer I change temporary to difference
blend mode and can see it.



>
> Romano
>
> --
> Romano Giannetti
> http://www.rgtti.com/
>
>
> 
> 
> darktable user mailing list
> to unsubscribe send a mail to darktable-user+unsubscribe@lis
> ts.darktable.org
>
>


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Re: [darktable-user] Healing brush?

[Rafa García]

You could set his repository as a new origin and change to his branch.
But looking in insight/network you see its not synchronized with
darktable/master.

I'd wait for the merge.

Regards

2017-11-21 7:55 GMT+01:00 Hans Bull :

> That's great, Edgardo!
> Since I'm quite ignorant when it comes to branches, how can i merge
> your new stuff with my local version of darktable, which is built
> daily from source? Any magic one-line git command I can add?
> Cheers, HB
>
> 2017-11-20 16:16 GMT+01:00 Anders :
> > På Mon, 20 Nov 2017 12:00:46 -0300
> > Edgardo Hoszowski  skrev:
> >> I'm currently working on this feature, see
> >> https://github.com/darktable-org/darktable/pull/1548
> >
> > Great news! I will be looking forward to using that :)
> >
> > Kindly,
> > Anders
> >
> >>
> >> 2017-11-19 16:17 GMT-03:00 Anders :
> >>
> >> > Is a healing brush the most-wanted feature in darktable? I for sure
> >> > would love one! ;)
> >> >
> >> > Kindly,
> >> > Anders
> >> > 
> >> > 
> >> > darktable user mailing list
> >> > to unsubscribe send a mail to darktable-user+unsubscribe@
> >> > lists.darktable.org
> >> >
> >> >
> >>
> >> 
> 
> >> darktable user mailing list
> >> to unsubscribe send a mail to
> >> darktable-user+unsubscr...@lists.darktable.org
> >
> > 
> 
> > darktable user mailing list
> > to unsubscribe send a mail to darktable-user+unsubscribe@
> lists.darktable.org
> >
> 
> 
> darktable user mailing list
> to unsubscribe send a mail to darktable-user+unsubscribe@
> lists.darktable.org
>
>


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Re: [darktable-user] Issue tracker (https://redmine.darktable.org) is down

[Rafa García]

To fix it you need to reinstall passenger module because it's linked to a
different shared library.

I also would reinstall gems(bundle install --force) for the same cause.

Regards

2017-11-04 17:50 GMT+01:00 Michael Rasmussen :

> On Sat, 4 Nov 2017 18:35:42 +0200
> Sarge Borsch  wrote:
>
> > Visiting https://redmine.darktable.org/ 
> gives a page with the following messages:
> >
> > > Web application could not be started
> > > An error occurred while starting up the preloader. It exited before
> signalling successful startup back to Phusion Passenger.
> > > /usr/lib/passenger/support-binaries/PassengerAgent: error while
> loading shared libraries: libcrypto.so.1.0.2: cannot open shared object
> file: No such file or directory
> >
> Apparently this days update of libssl was not propagated to the ROR
> environment running the project management website for darktable.
> Broken link to the chroot environment without doubt.
>
> --
> Hilsen/Regards
> Michael Rasmussen
>
> Get my public GnuPG keys:
> michael  rasmussen  cc
> http://pgp.mit.edu:11371/pks/lookup?op=get=0xD3C9A00E
> mir  datanom  net
> http://pgp.mit.edu:11371/pks/lookup?op=get=0xE501F51C
> mir  miras  org
> http://pgp.mit.edu:11371/pks/lookup?op=get=0xE3E80917
> --
> /usr/games/fortune -es says:
> The full impact of parenthood doesn't hit you until you multiply the
> number of your kids by thirty-two teeth.
>



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Re: [darktable-user] Issues with drawn mask brush

[Rafa García]

Hi,

  In Mac if you use the scroll in the mouse it will change the size of the
brush.
  You achieve the same by using shift+^ (key with ^`[ symbols) to increase
brush size and shift shift+* (key with *+]) to decrease.

  When you use shift+scroll up it will increase inner circle BUT it doesn't
work with scroll down (you can maximize it but not reduce its size).
  To increase inner circle shift+´ (key with ¨´{ ) and to decreate shift+Ç
(key with ç}).

  To increase or decrease the opacity you can use ctrl+mouse scroll.
  To do the same with keys use > to increase and < to decrease.

  To me this behaviour is consistent since I'm using Darktable.

Regards

2017-09-23 14:59 GMT+02:00 Paul Deverson :

> Hi,
>
> I’m having some issues working with the brush in the drawn mask option.
>
> Firstly, methods to increase the size of the central portion and the
> dotted portion don’t work consistently. Sometimes using a mouse scroll
> wheel works. Other times using [] brackets or {} brackets works. Sometimes
> neither.
>
> Secondly, if I reduce the dotted area down to zero to get a hard edge,
> then I can’t increase it again for a softer edge.
>
> I’m using darktable 2.2.5 on a Mac (OS X 10.11.6).
>
> Thanks in advance for any help.
>
> Paul.___
> _
> darktable user mailing list
> to unsubscribe send a mail to darktable-user+unsubscribe@
> lists.darktable.org
>
>


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[darktable-user] Question about a CPU upgrade

[Rafa García]

Hi,

  I have a desktop with a Radeon RX 460 and an old AMD FX 4300 (overclocked
to 4GHz) but I have chances of buying an AMD FX 8350 at a very good price.

  The 8350 has the double of cores and double of memory cache (L2 and L3)
but almost the same clock speed.

  I guess I'll obtain a big benefit importing photos (more cores) but it is
not a problem for right now.

My question, will I be benefited when processing photos? I mean, are
processing modules mainly single thread or they take advantage of the cores?

Thanks!


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Re: [darktable-user] Re: OpenCL: 1050ti or RX560?

[Rafa García]

2017-09-01 0:25 GMT+02:00 Brune Wayce :

> So, please let me if I'm correct, particolare when therm is "(???)":
>
> AMD PROPRIETARY DRIVERS
> 1. Official from amd, but only for the newest cards, only for kernel 4.8
> and 4.10, only for "stable versions" of redhat, centos and ubuntu
> 2. Manually unpacking the driver you can install to almost any
> distribution rpm or deb based, provided that the kernel is 4.8 or 4.10 and
> the card is supported by the driver
>

I'm almost sure that manual installation allows you to use kernel 4.11 (or
other) because it is not a compiled kernel module.
I think I have it installed in kernel 4.11 but I'm not at home to check it.
Maybe someone can confirm it.


> 3. Some new cards (rx550) are supported only by kernel 4.11
>
> AMD OPEN DRIVERS
> 1. Valid for almost every card
> 2. Available for every distro (also debian testing) (???) and every kernel
> (???)
> 3. Accettable performance
>

As far as I know AMD open source drivers doesn't work because doesn't have
"image support" [1].

But you can mix open source drivers with propietary ones (just the OpenCL
libs, the manual installation).

About the performance of the open source drivers I remember good results
against the propietary drivers in a phoronix benchmark
[2].
Anyways open source drivers doesn't work with darktable :(

Regards

[1] https://bugs.freedesktop.org/show_bug.cgi?id=87738
[2] http://www.phoronix.com/scan.php?page=article=amdgpu-pro-1720=1

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Re: [darktable-user] OpenCL: 1050ti or RX560?

[Rafa García]

I can not recommend AMD drivers, at least for Ubuntu 17.04 despite I
achieved install it (I lost a lot of time).

The main problem with the AMD drivers are the supported kernels versions
only 4.8 and 4.10 (not 4.9) [1].

Regards

[1]
https://www.phoronix.com/forums/forum/linux-graphics-x-org-drivers/amd-linux/969701-amdgpu-pro-17-30-released-with-vega-support-ubuntu-16-04-3-lts-compatibility?p=969771#post969771

2017-08-31 10:05 GMT+02:00 Michael Below :

> Hi,
>
> the original poster is on Debian testing, that's not supported by AMD. The
> Debian nVidia packages should work fine. For me, this has been enough to
> choose nVidia, I'm using Debian testing with a 750Ti, and it just keeps
> working through a lot of updates. Of course switching to distribution
> supported by AMD (like Ubuntu 16.04) is also an option. In that case,
> distribution updates (eg. to Ubuntu 17.04) may be a problem.
>
> Cheers
> Michael
>
>
> -Ursprüngliche Nachricht-
> Von: Peter Mc Donough [mailto:mcd-mail-li...@gmx.net]
> Gesendet: Donnerstag, 31. August 2017 09:15
> An: darktable-user@lists.darktable.org
> Betreff: Re: [darktable-user] OpenCL: 1050ti or RX560?
>
> Am 31.08.2017 um 00:07 schrieb Brune Wayce:
>
> > ...
> > My budget is little, I have to stay within 150euros: I'm orientated to
> > the AMD RX560 (4GB) or to the Nvidia GTX 1050ti.
> > If I look at the various general or "gaming" benchmarks, I find that
> > the 1050ti is faster than the RX560. But if I look here (
> > http://www.phoronix.com/scan.php?page=article=darktable-opencl-gp
> > u=3) I see that the RX460 (and I assume also the RX560) is faster
> > than the 1050ti. ...
>
> You need OpenCL, i.e. at present a proprietary graphics card driver. I
> moved from openSuse to Ubuntu because of the AMD driver. Fedora should also
> be possible.
>
> I use Darktable 2.2.5 with the AMD RX 460, running with Xubuntu 16.04.03.
>
> The card should be about 120 Euro, pay attention to the type of RAM on the
> card.
>
> Propriatary driver:
> https://support.amd.com/en-us/kb-articles/Pages/AMDGPU-PRO-
> Driver-for-Linux-Release-Notes.aspx
>
> The AMD opensouce driver with any distro is well supported and should be
> sufficient for most of the work.
>
> cu
> Peter
> 
> 
> darktable user mailing list
> to unsubscribe send a mail to darktable-user+unsubscribe@
> lists.darktable.org
>
>
> 
> 
> darktable user mailing list
> to unsubscribe send a mail to darktable-user+unsubscribe@
> lists.darktable.org
>
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Re: [darktable-user] Re: Is it possible to configure "alias lenses"

[Rafa García]

>
>
> > > [...]
> > >
> > >> That said, often one gets away with expanding the lens model
> > >> name.  Note that excess words in a lens model name are ignored by
> > >> Lensfun while matching (at least in the mode by which Darktable
> > >> uses Lensfun).  This does not help with the smc/HD thingy, but
> > >> e.g. an A09 can be appended without making the database
> > >> inaccurate.
> > >
> > > The next problem is a solution to get new lenses available in
> > > darktable, easy and fast for the user.
> >
> > There is lensfun-update-data.
>
>
> I fear this isn't included with Ubuntu Xenial as well as
> g-lensfun-update-data. In earlier discussions nobody mentioned this.
>
> # aptitude search lensfun | cut -c1-60
> i   gimp-lensfun- Gimp plugin to correct
> p   gimp-lensfun:i386   - Gimp plugin to correct
> i A liblensfun-data - Lens Correction librar
> v   liblensfun-data:i386-
> p   liblensfun-dev  - Lens Correction librar
> p   liblensfun-dev:i386 - Lens Correction librar
> p   liblensfun-doc  - Lens Correction librar
> i A liblensfun0 - Lens Correction librar
> p   liblensfun0:i386- Lens Correction librar
>
>
>
I'm afraid that lensfun-update-data is available from yakkety[1]. It comes
in liblensfun-bin package :-(


[1] https://packages.ubuntu.com/search?keywords=liblensfun-bin



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Re: [darktable-user] I need to learn darktable.

[Rafa García]

Hi,

  I recommend you Riley Brandt's "The open source photography course"
[1]. It covers
Darktable and also Gimp, there's an specific new course for portraits
(check his site). Its contents are very well ordered and it saves you a ton
of time looking for anything.

  I like too Harry Durgin weekly edits [2].

  Regards

[1] http://lessons.rileybrandt.com/courses/fossphotocourse
[2] http://weeklyedit.com/

2017-05-28 16:31 GMT+02:00 Frank J. :

> Am 28.05.2017 um 16:02 schrieb Michael:
> > Is there an instruction book somewhere out there that will take you
> > through most or all of the modules? I found a book bu it is for a MUCH
> > earlier version. I would go through tutorials but I prefer the written
> > word. Plus I have NO idea which version is in use.
> >
> > --
> > :-)~MIKE~(-:
>
>
> Hi Mike
> you know the User manual?
> http://www.darktable.org/resources/
> PDF. Version 2.2
> English, Frenc, Italian.
>
> Last program-release is 2.2.4
> http://www.darktable.org/news/
>
> --
> Frank
>
> 
> 
> darktable user mailing list
> to unsubscribe send a mail to darktable-user+unsubscribe@
> lists.darktable.org
>
>


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Re: [darktable-user] darktable 2.2.4.3 dmg not working :-(

[Rafa García]

Hi Roman,

  I'll look for you in IRC this night to (try to) help you creating a brew
formula for Darktable.

Regards

2017-04-23 19:27 GMT+02:00 Roman Lebedev :

> On Sun, Apr 23, 2017 at 7:49 PM, J Albrecht  wrote:
> > I’ve downloaded and installed the “latest” dmg for the third time. Each
> time that I’ve tried to start the app, it fails.
> >
> > I’m running Mac OS X 10.11.6 (15G1421)
> >
> > This is what I believe may be the salient part of the error report:
> >
> > Dyld Error Message:
> >   Symbol not found: _clock_gettime
> >   Referenced from: /Applications/darktable.app/
> Contents/MacOS/../Resources/lib/libGraphicsMagick.3.dylib
> >   Expected in: /usr/lib/libSystem.B.dylib
> >
> > Has anybody experienced/solved the same?
> https://redmine.darktable.org/issues/11590
> TLDR: some osx user shall step forward and help get dt packaged in
> homebrew.
>
> Roman.
> 
> 
> darktable user mailing list
> to unsubscribe send a mail to darktable-user+unsubscribe@
> lists.darktable.org
>
>


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Re: [darktable-user] Styles / presets

[Rafa García]

It's not possible but you can use presets module to "simulate a hierarchy"
using numbers and dash symbols.

To get the idea play this video and look presets module how it's organized:
https://youtu.be/9VC_SLNNYKQ?list=PL8F1F85AC801013BD=40

Regards


2017-04-19 23:09 GMT+02:00 Tobias Ellinghaus :

> Am Mittwoch, 19. April 2017, 17:55:56 CEST schrieb Maurizio Paglia:
> > Hi!
> > Is it possible to record styles and/or presets in a nested hierarchy?
>
> No.
>
> > Thanks,
> > Maurizio
> >
> > 
> 
> > darktable user mailing list
> > to unsubscribe send a mail to darktable-user+unsubscribe@
> lists.darktable.org
>
>


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Re: [darktable-user] Fwd: mailing list admin things

[Rafa García]

I imagined it was a kinda religious reason behind ;-) You don't worry, it's
ok.
Thank you



2017-03-30 16:27 GMT+02:00 johannes hanika <hana...@gmail.com>:

> sorry, but no.
>
> this has been discussed to death and people seem to have extremely
> strong opinions both ways. i will not touch this :)
>
> for my part, i don't mind getting personal email in To: along with the
> list in CC, so i know it's meant for me.
>
> cheers,
>  jo
>
>
> On Thu, Mar 30, 2017 at 4:02 PM, Rafa García <conta...@rafagarcia.net>
> wrote:
> > Hi Johannes,
> >
> >   Could you configure the reply-address to be the mailing list instead of
> > the mail author, please? It happened to me and others that you reply the
> > email as "always" and you reply directly to user and not the mailing
> list.
> > Then later you have resend again the answer to the mailing list.
> >
> >   Thanks,
> >
> > Rafa
> >
> > 2017-03-30 14:52 GMT+02:00 johannes hanika <hana...@gmail.com>:
> >>
> >> hi all, especially hi to all yahoo users here.
> >>
> >> i think all of you noticed the bounce messages we sometimes get from
> >> this list. it's not all that often but kind of annoying. turns out
> >> it's some anti-spam mechanism enforced by yahoo that goes berserk (see
> >> for instance this email thread for the mail admin nerds among you):
> >>
> >> https://www.ietf.org/mail-archive/web/ietf/current/msg87153.html
> >>
> >> at this point i'm not sure how to work around it, for now i installed
> >> a deny rule for all addresses with "yahoo" in the name, sorry about
> >> that.
> >>
> >> if you have any better ideas how to deal with this let me know. @yahoo
> >> users: you may have to re-subscribe with a different address, sorry
> >> for the inconvenience.
> >>
> >> cheers,
> >>  jo
> >>
> >> ps: i did deny all access for a moment erroneously, hope i got it
> >> right this time :)
> >>
> >> 
> 
> >> darktable user mailing list
> >> to unsubscribe send a mail to
> >> darktable-user+unsubscr...@lists.darktable.org
> >>
> >
>


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Re: [darktable-user] Darktable behind Proxy

[Rafa García]

I don't know why it crashes (maybe an unexpected exception, I have no idea).

Have you got set your proxy environment variables?

 $ export http_proxy="http://proxy;
 $ export https_proxy="https://proxy;

If not, you can try to set it and see what happens.

Regards

2017-03-21 10:51 GMT+01:00 Ralf Ullrich :

> Hello,
>
> at home I user darktable (2.2.3) quite regularly to upload my pictures to
> flickr and I don't have any problems in doing so. Since some days I use
> darktable for the exact same thing at work too. My computer is behind a
> corporate proxy, so I don't have direct access to the web. In contrast to
> using darktable at home I can't login into flickr via darktable, and I'm
> not able to use the maps.
> Are there some ports or protocolls that are used within darktable that
> have to opened for the flickr-export  and maps? Google+Photos doesn't work
> either: my browser (chrome) returns the token correctly, but when pasted
> into darktable it crashes. I'm using darktable 2.2.3 on LinuxMint 18.1 frpm
> Pascal's ppa.
>
> Kind regards,
>
> Ralf
>
>
> 
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>


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Re: [darktable-user] what graphics card to get?

[Rafa García]

I installed AMDGPU-PRO 16.50 in Ubuntu Gnome following this guide(more or
less, read below): https://www.sabeltand.net/amdgpu-1610/

I used kernel kernel 4.4.41 instead of 4.6.x to avoid patching it.
Furthermore AMDGPU-PRO is being developed for kernel 4.4.x(
https://www.phoronix.com/scan.php?page=news_item=AMDGPU-PRO-Linux-4.8-DKMS
)

You can read the step by step guide and my comment (comment written by Rafa
G.).

Regards

PD: I think we're hijacking the thread, sorry everybody




2017-01-16 20:18 GMT+01:00 Šarūnas :

> On 2017-01-16 13:43, Martin Schoepf wrote:
> > Hi everybody,
> >
> > I attached the output of my AMD 480 8gb.
> >
> > I previously had a NVDIA GTX 770, and I would have kept it, if it
> > wouldn't have broke.
> >
> > I'm running Kubuntu 16.10 with the amd-pro driver.
> > Intel(R) Core(TM) i7-4771 CPU @ 3.50GHz, 16gb ram
> >
> > I was happy with both gpus, but if you can live with ubuntu and the
> > amd-gpu pro driver I think you get more for less bugs at AMD.
>
> Attached is the output from using RX 480 with open-source amdgpu and
> libOpenCL libraries from amdgpu-pro (as per
> http://www.gearsongallium.com/?p=2960), Ubuntu 16.10 + plasma-desktop.
>
> Martin, how do you use amdgpu-pro with 16.10? Kernel from 16.04?
>
> --
> Šarūnas Burdulis
> http://math.dartmouth.edu/~sarunas
>


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Re: [darktable-user] What do the sliders of the local contrast tool actually do?

[Rafa García]

Hi,

  When I want to know what I'm changing I change blend mode to difference
and it shows a black background with white/grey points indicating changes.

Regards

PS: sorry Johannes for the email

Enviado desde mi tabla de planchar


El 27 dic. 2016 6:22 p. m., "Ari Torhamo"  escribió:


Hello,

I've been trying to find out what the different sliders on the local
contrast tool actually do in Darktable. There are three sliders and the
working of the first one seems obvious; it adjusts the radius (in pixels?)
of the area the other sliders affect on.

The contrast slider doesn't seem to do anything if the detail slider is in
zero position. In other positions both sliders change contrast, although
differently, the detail slider having a stronger effect. I'd like to know
what these two sliders actually do. I've been testing and observing their
working on different photos, but I still feel that there's too much trial,
error and confusion involved in using them.

I'm not asking for mathematical formulas (although they might be
interesting, if I'd understand them), but rather a clear explanation in
plain English. The explanation on the Darktable user manual is very vague,
and a good amount of googling didn't help either.

I hope someone in the know can take the time to answer this. Perhaps the
answer could be used to improve the user guide. Thanks in advance!

Ari Torhamo

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Re: [darktable-user] Bug report

[Rafa García]

There's a problem with GTK+ in Mac OS X that broke almost all the UI in Mac
OS X.

You can work by changing values with the mouse not key numbers (be careful
it changes image ratings instead).

If you can work all with mouse you can do it as workaround else latest
version working was Darktable 2.0.4.


Regards

PS: I'm going to compile dartable (master branch) during this week and try
to find some help/fix with GTK+ team via IRC.


2016-09-18 20:52 GMT+02:00 Tobias Ellinghaus :

> Am Sonntag, 18. September 2016, 20:39:00 CEST schrieb Henkka:
> > In latest MacOS version 2.0.6, if I try to type value, forex. into
> > exposure module, it does not work. It does not work on any module.
> >
> > Tested on El Capitan 10.11.6
>
> That is a known problem with the OSX packages. From what I heard it might
> help
> to move the mouse out of the popup and back in or something like that.
>
> Tobias


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Re: [darktable-user] Lighttable Performance on Mac

[Rafa García]

By the way I have downloaded a raw sample from a  FUJI E550. In darkroom,
it is greenish/yellowish while zoom is less than 55% else the image is
rendered well.

I'm afraid it's an issue with Mac OS X OpenCL implementation


2016-08-25 0:25 GMT+02:00 Rafa García <conta...@rafagarcia.net>:

> ...
>> Sadly, I did see the green rendering with OpenCL enabled on the M370X
>> however it was limited to Nikon RAWs. The Fuji files were mostly OK outside
>> of a few that looked like they had a blur effect applied to them (see the
>> attached screen capture). After disabling OpenCL both of those bugs
>> disappeared. Has anyone else noticed the  blurring on OS X? Has a bug
>> report been filed on it? None of my Nikon RAWs had the blur effect going
>> on. Anyone out there with an OpenCL capable nVidia card on OS X and want to
>> give this a go to see what happens? I may look into sticking an nVidia card
>> in my old Mac Pro and seeing what I come up with there.
>>
>
> With Intel Iris graphic card I don't have blur effect in previews but I
> have green rendering.
> It's reported as issue for Intel graphic cards.
>
> I didn't know it only happens with Nikon NEF files.
>
> Regards
>
>
>>
>> Thanks again!
>>
>> Leander
>>
>>
>
>


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Re: [darktable-user] Lighttable Performance on Mac

[Rafa García]

2016-08-24 22:20 GMT+02:00 Leander Hutton :

> I also prefer to get things right in camera, but that isn’t always an
> option.
>
>- "Leaving aside OpenCL, I think latest dt (2.0.5) uses a GTK version
>which doesn't work well with Mac (bad perfomance and usability problems)."
>
> I think this is another big issue for me. This is why drop down menus (new
> instance, duplicate instance, etc.) hang or don’t work at all.
>
> Let me know if you have any luck with gfxCarStatus app. I’ll try reverting
> to 2.0.4 and see if that helps.
>
>
>
> Sorry it took me so long to get back to this, but I did do some testing
> with OpenCL and the M370X on 2.0.4. DT 2.0.5 is slow on OS X no matter how
> you cut it.
>
>
That's true. I profiled darktable 2.0.4 and 2.0.5 using dt-cli (command
line interface). It gave me more or less same times. Then I wondered it
could be a problem with GTK+



> To make things even I started with a fresh library.db file each time and
> imported a directory of 22 RAW files. I also removed the XMP files between
> each run just to make sure it everything was exactly the same. One log is
> from CPU only mode and the other is with OpenCL enabled and the M370X
> forced into use via gfxCardStatus. I did see a measured improvement in
> thumbnail rendering times according to the attached logs. It still felt
> slower in use with OpenCL enabled but the data doesn’t reflect that.
>


I also did some tests with OpenCL enabled and disabled (I'm using a Intel
Iris graphic) and dt-cli versions 2.0.4 and 2.0.5. Times with OpenCL were
~1.5 faster than CPU in both versions.



>
> Sadly, I did see the green rendering with OpenCL enabled on the M370X
> however it was limited to Nikon RAWs. The Fuji files were mostly OK outside
> of a few that looked like they had a blur effect applied to them (see the
> attached screen capture). After disabling OpenCL both of those bugs
> disappeared. Has anyone else noticed the  blurring on OS X? Has a bug
> report been filed on it? None of my Nikon RAWs had the blur effect going
> on. Anyone out there with an OpenCL capable nVidia card on OS X and want to
> give this a go to see what happens? I may look into sticking an nVidia card
> in my old Mac Pro and seeing what I come up with there.
>

With Intel Iris graphic card I don't have blur effect in previews but I
have green rendering.
It's reported as issue for Intel graphic cards.

I didn't know it only happens with Nikon NEF files.

Regards


>
> Thanks again!
>
> Leander
>
>


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Re: [darktable-user] Lighttable Performance on Mac

[Rafa García]

I had a Macbook pro retina(late 2013, intel iris graphic cards). I did some
tests with darktable-cli and OpenCL. I saw performance improvements (some
modules took less than half of the time). But the green output did it
useless.

I don't remember were I read it but previous intel graphic cards were
working right in Mac.

Leaving aside OpenCL, I think latest dt (2.0.5) uses a GTK version which
doesn't work well with Mac (bad perfomance and usability problems).

Regards

PS: I had to downgrade to 2.0.4 to use happily dt

2016-08-17 19:10 GMT+02:00 Brandt, Riley :

> Hi Leander,
>
> I am also experiencing disappointing performance in darktable on a new
> Macbook Pro. Same model as yours I believe:
>
> Mid 2015, 2.5 GHz Intel i7
> 16 GB Ram
> Intel Iris Pro
> AMD Radeon R9 M370X – 2 GB Ram
>
> When you enable OpenCL, and open an image in the darkroom module, doesn't
> it turn the photos green? It does on mine. There is a known bug:
> https://redmine.darktable.org/issues/10274
>
> I would really like to compare the performance once OpenCL is enabled, but
> obviously I can't.
>
> At times, I experience major slow down in the darkroom module when simply
> editing 10 or so images. The more edits I make, the slower it gets. I think
> it happens mostly when using masks.
>
> It gets so slow, I can't click on any drop down menus or make further
> edits. Darktable just hangs.
>
> Do you experience this at all? Or just in the lighttable module?
>
> I was expecting a big performance increase from my older 2012 Macbook Pro,
> but that hasn't really been the case.
>
>
> Riley
>
> On 2016-08-15 15:31, Leander Hutton wrote:
>
> I'm currently running Darktable 2.0.5 on two systems. One is a Linux Mint
> 18 box with an 5930K, 32GB of RAM and GTX 970.  The other is a new MacBook
> Pro retina I recently picked up with the mobile 2.8Ghz i7, 16GB of RAM and
> R9 M370X/Iris Pro. I've have the default core settings on both as far as
> memory and threads go. I've fed about 40K images to it on both machines (I
> keep my files synced with rsync over the network) and the Linux box
> absolutely flies. The lighttable module is like butter as they say.
> Adjustments in are quick too.
>
> However on the Mac it's become rather slow. Every once in a while I'll
> blow away my .config/darktable/library.db file and let it rebuild
> overnight. This seems to help for a  short time but then things just get
> bogged down again eventually. The library.db files on each machine are
> stored on SSDs. It's always been slightly slower on my Macs but I used to
> attribute it to having some older Mac hardware. Now with the new system
> it's not a mcuh faster. I've tried enabling/disabling OpenCL and that
> doesn't make much difference either way. Increasing some of the memory
> available for thumbnail caching and restarting the program doesn't seem to
> make much difference either way so I've put it back to the standard 500MBl.
> Adjustments get pretty slow too. Any tips on something to look for or a way
> to speed it up on OS X? As far as I can tell the settings between the two
> systems are identical and mostly default. I do usually set it to apply
> camera specific base curves but that's really the only setting I've messed
> with outside of metadata.
>
> Thanks!
>
> Leander_
> ___
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>
>
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Re: [darktable-user] How to get the most out of this image?

[Rafa García]

You can find my attempt (exported jpg and xmp):

https://www.dropbox.com/sh/wqb3a1q6dsgji34/AACDEFZC2zzQuSnJ-YARR47ha?dl=0

Steps:

- Correct exposure with exposure and levels module

- Increase sharpen with sharpen module

- With shadows and highlights module to bring out hidden details in head
bird

- Local contrast (I wanted more details)

- Low pass to recover more shadows

- High pass to sharpen more the image

- Raw denoise to remove generated luma noise


I'm not totally happy with noise and detail obtained

Disclaimer: I'm not an expert :)


PS: Sorry André for sending it directly to you, it was a mistake

2016-05-09 12:49 GMT+02:00 André Felipe Carvalho :

> Hi,
>
> I'm not an expert. Just curious and without formal DT knowledge.
> Anyway, I like what I can do with my photos with DT.
>
> Here's my try. Tell me what you think.
>
> Greetings,
> André Felipe
>
>
> 2016-05-09 6:47 GMT-03:00 Terry Duell :
>
>> Hello All,
>> I am struggling get a reasonable result from post processing a particular
>> image.
>> I wonder if some of you expert DT users out there would be prepared to
>> have a look, and if you can achieve a satisfactory result, provide me with
>> your .xmp so I can learn a few things?
>> The image is a DNG out of a Pentax K-3 II, is 30MB, and available via
>> Dropbox at this link...
>>
>> 
>>
>> Thanks for your help.
>>
>> Cheers,
>> --
>> Regards,
>> Terry Duell
>>
>> 
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>>
>>
>
>
> --
> André Felipe
>
> https://www.flickr.com/photos/andrefelipecarvalho/
>
> 
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