Re: [darktable-user] Is Darktable for "multi-image moved-object removal"?

[Joachim Durchholz]

Sorry for responsing late, it took me a while to get around to checking 
what came of the advice.


Am 02.12.18 um 14:59 schrieb Anton Aylward:

Q2: Is Darktable the right tool for the job?


I would not think so.


The thing that made me interested in DT is that it has a good image 
management GUI.
During my experiments with Hugin and IM I found that it is pretty hard 
to keep track of what image variant with what tool history is in what 
directory. It's also hard to get a quick overview over all the images in 
a directory.
I was thinking that DT might help me with that, apart from the image 
blend operation.



If I were you I'd go to somewhere like the DPReview chat lists and look under
HDR or see what other list headings they have.
https://www.dpreview.com/forums
Or the Linux Hugin discussion groups.


dpreview was new, thanks for the pointer.


   * Align images, at sub-pixel accuracy.
   * Take the median for each pixel.
* Image alignment can be done with Hugin, median-taking with ImageMagick, but I
couldn't get this to work; too many details to configure, and do one thing wrong
and you get a totally different result than what you wanted.


I don't see why you dragged ImageMagick into this[1][2].


I agree that it is too complicated to use.
Worse, the detail behaviour of the individual operators can vary from 
version to version.

Still, what's the alternative?


I think your mistake is in trying to define *single* a tool to do everything
possible as 'all in one'.   Slice this up into smaller stuff.  Do what you can
with that you can and gain experience 'with the small stuff'.


Issue is that this means a lot of scripting, and coding, and it's taking 
months to get a suitable workflow rolling.

(Shell scripting won't work, I have switched to Python...)


When you can demonstrate applying the 80/20 rule and have that 80% you will be
feeling more confident and have a better feel for many of the details.


It's roughly 400,000 pages, or 2,000 books. With 80/20 and just my free 
time, I'd be doing a book per day; you do the math how long it would 
take me to complete digitizing that.



I say this proportion basted on other projects in other fields of my life; there
seems to be something in the nature of human project that means the 80/20 rule
works "all the way down".


Sort of. You can do better, but the effort to automate rises.
If a few months of tool selection / improvement spare me years of 
postprocessing, it's still worth it.


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

[Stéphane Gourichon]

Hello,

I did a similar move. More precisely, I installed Xubuntu 18.10 
alongside Xubuntu 18.04 on my PC, to keep ability to continue using 
current version.


I have not noticed any issue with darktable itself.

What I noticed, though, are X stability problems. Consequences are X 
session lost with all unsaved information lost, too. This can lose some 
work in darktable and other programs.



These problems might be a consequence of using multiple monitors, a 
situation perhaps not as well tested as it should be, yet somehow common 
I guess among darktable users?


For example, any time I suspend the laptop while external screens are 
used, when I resume without external screen plugged in, X crashes.


I observed those stability problems with open-source nouveau driver as 
well as with closed-source nvidia driver.


I'd be happy to hear about whether it works for you.


@Coding Dave, what's your hardware?

Mine is laptop Asus n551jk, 16GB RAM, video NVIDIA Corporation GM107M 
[GeForce GTX 850M] on Intel chipset (Optimus blablah hardware setup 
https://en.wikipedia.org/wiki/Nvidia_Optimus ).



Cheers!


Le 04/12/2018 à 22.49, Coding Dave a écrit :
All good on my side, may it be 2.4 or current master. I dont 
experience any nvidia related issues.



Am Di., 4. Dez. 2018 um 22:36 Uhr schrieb KOVÁCS István 
mailto:k...@kovacs-telekes.org>>:


Hi,

I'd like to ask whether those who have upgraded from Ubuntu 18.04 to
18.10 and use Nvidia cards have experienced any issues. I'm
considering an update.

Thanks,
Kofa

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--
Stéphane Gourichon



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[darktable-user] Re: OpenCL on Manjaro

[Matthias Bodenbinder]

I have it working and no cuda packages installed:

lib32-nvidia-utils 1:415.18-1
linux414-nvidia 1:415.18-3
linux419-nvidia 1:415.18-3
mhwd-nvidia 1:415.18-1
mhwd-nvidia-340xx 340.107-1
mhwd-nvidia-390xx 390.87-1
nvidia-utils 1:415.18-1
opencl-nvidia 1:415.18-1


Am 03.12.18 um 19:42 schrieb David Vincent-Jones:
> Thanks for the hint  there are a large number of CUDA elements
> listed for Nvidia ... can you give me a specific name?
> 
> Your help is appreciated
> 
> David
> 
> On 2018-12-03 9:00 a.m., steve wrote:
>>
>> It works after you install Nvidia CUDA
>>
>> On 12/3/18 11:59 AM, Derek Kite wrote:
>>> The video card libraries may not be installed and configured properly.
>>>
>>> Derek
>>>
>>> On Sun, Dec 2, 2018 at 9:34 AM David Vincent-Jones
>>> >> > wrote:
>>>
>>> Testing for OpenCL for use with dt I get the message that the
>>> run-time librarys are not found but they do show on my system.
>>> How do I make them visible to dt?
>>>
>>>
>>> Thank you
>>>
>>> David
>>>
>>>
>>>
>>> 
>>> 
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Re: [darktable-user] Facebook export broken?

[Richard Hobday]

Sorry forgot to give the version info.

darktable 2.6.0rc0+9~g7ea67a074 on Mint 19.0 (Ubuntu 18.04)

On 05/12/2018 15:09, Richard Hobday wrote:

Facebook export?
Is this option still broken?

See attached image ...

Click 'continue' appears to permit the export to a new Album (No other 
options as far as I can see)


Facebook then returns 'cannot create album'
and exits.

Anyone had success with this recently?


Ta, Richard

 


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[darktable-user] Facebook export broken?

[Richard Hobday]

Facebook export?
Is this option still broken?

See attached image ...

Click 'continue' appears to permit the export to a new Album (No other 
options as far as I can see)


Facebook then returns 'cannot create album'
and exits.

Anyone had success with this recently?


Ta, Richard


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