Re: [darktable-dev] New 2.6.0rc2 Windows build

2018-12-17 Thread Blandyna Bogdol
dear all,

thank you for the new build, but I have the same problem on my Windows 10
64 bit. I cannot start tha application with the error 0xc000142 about DLL.

I tryed all ways to fix the error. Nothing helps. On my Windows 8.1 I
haven't problems with darktable.

Best regards,
Blandyna

Am Mo., 17. Dez. 2018 um 17:55 Uhr schrieb Pascal Obry :

>
> Hello,
>
> A new version for Windows is available on GitHub. It fixes the crash on
> machine without AVX2 support.
>
> Thanks to Peter for the new build.
>
> Try it!
>
> --
>   Pascal Obry /  Magny Les Hameaux (78)
>
>   The best way to travel is by means of imagination
>
>   http://www.obry.net
>
>   gpg --keyserver keys.gnupg.net --recv-key F949BD3B
>
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---
Blandyna Bogdol
Im Kirschgarten 43
56070 Koblenz
Tel. 0175-4190883

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[darktable-dev] possible error in clipping.c

2018-12-17 Thread Heiko Bauke

Hi,

currently I am testing some static code analysis tools to search 
systematically for bugs and code smells in the darktable code base.  So 
far, I found a lot of minor issues, which can be easily fixed, and even 
more false positives.


In clipping.c, there is an issue that I am not able to fix.  The 
following if-then-else statement has identical code in both branches:


  else if(p->k_type == 0)
  {
d->all_off = 1;
d->k_apply = 0;
  }
  else
  {
d->all_off = 1;
d->k_apply = 0;
  }


Either the if-statement in redundant or there is an error in one of the 
two branches.


Any suggestion how to fix?


Heiko


--
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[darktable-dev] New 2.6.0rc2 Windows build

2018-12-17 Thread Pascal Obry


Hello,

A new version for Windows is available on GitHub. It fixes the crash on
machine without AVX2 support.

Thanks to Peter for the new build.

Try it!

-- 
  Pascal Obry /  Magny Les Hameaux (78)

  The best way to travel is by means of imagination

  http://www.obry.net

  gpg --keyserver keys.gnupg.net --recv-key F949BD3B

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Re: [darktable-dev] Preview & focus detection

2018-12-17 Thread rawfiner
Hello

This is explained here:
https://www.darktable.org/2013/11/determining-focus-in-lighttable/

cheers,
rawfiner

Le sam. 15 déc. 2018 à 14:48, FF  a écrit :

> Hello,
>
> Could someone explain what criteria define the area of sharp focus?
>
> Thanks,
>
> Jack.
>
>
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Re: [darktable-dev] Preview & focus detection

2018-12-17 Thread Hannu E K Nevalainen

Hi

Please read about...

https://en.wikipedia.org/wiki/Zeiss_formula - the Circle of confusion, 
Depth of field, Hyperfocal distance and all that...



In there you see attempts to define what should be seen as a sharp "dot" 
- when the dot is as large as possible.


It boils down to being a dot of such diameter that it makes up 1/30 
degree (sin, cos, tan and all that) of view from where you view an image 
(the distance to the subject).
So "it depends", on how large your subject (image, print) details are 
and from how far you view it.


/Hannu
 


On 2018-12-15 14:38, FF wrote:

Hello,

Could someone explain what criteria define the area of sharp focus?

Thanks,

Jack.


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Re: [darktable-dev] WebP export → Couple issues

2018-12-17 Thread Timur Irikovich Davletshin
This patch does declared work in avoiding unnecessary color conversion
in lossless mode.

But it doesn't fix none of my issues. I've got my profile reset before
testing. First export in lossy mode gave me a set of very little files
of very bad quality, 300-600 kb for 20Mpx+ images. Then I just moved
quality slider forth and back leaving it at default 95% and it worked.
So, probably Sturm Flut is right about nature of this problem.

Regarding last issue, quality slider in lossless mode — nothing's
changed. It is there.

Regards,

Timur. 

On Sun, 2018-12-16 at 22:05 +0100, Pascal Obry wrote:
> Hi Timur,
> 
> > Couple issues I noticed recently while playing with WebP export:
> > 
> > 1. Default settings (95%, lossy) provides rather mediocre results
> > and
> > IMO is unusable. Probably something higher should be used.
> > 2. Lossless settings should hide quality slider because it makes
> > zero
> > difference for the end image.
> 
> There is a PR waiting integration made recently.
> 
> https://github.com/darktable-org/darktable/pull/1866
> 
> You may want to test it and report if it solves your issues.
> 
> If it is the case please report on this PR.
> 
> Thanks,
> 
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