[darktable-user] 16bit PNG in 2.4.0-rc2

2017-12-22 Thread Matthias Bodenbinder
Hi,

I just played a little bit with the rc2. I exported 16bit PNG but got 8bit 
according to gimp-2.9.8. I checked with TIF an TIF is fine except for some 
picture showing artefacts with 16bit TIF. DT at leats creates a 16bit TIFF and 
a 32bit Fließkomma TIF as well (according to gimp 2.9.8. 

Whats wrong with 16bit PNG?

Matthias

PS
I am running Manjaro - uptodate.


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[darktable-user] lens correction in darktable 2.4.0rc2

2017-12-22 Thread justa

Hi,

my system:

Intel® Core™ i5-3570K CPU @ 3.40GHz × 4 and a AMD RX560 Radeon MSI 4GB. 
Ubuntu Gnome 16.04.3 LTS 64-Bi


The ppa of Dariusz Duma for other tools on the system with darktable 
2.4.0rc2 is installed.


I use 2 versions of darktable on two systems:  1- 2.2.5 without opencl  
and no additional driver and 2- 2.4.0rc2 with opencl and amdgpu-pro-17.50


the camera I use is a Fuji X-E1 and the standard zoom XF18-55mmF2.8-4 R 
LM OIS.


In the first version 2.2.5 I have an automatic lens correction when I 
switch the modul on, in the 2.4.0rc2 version nothing happens.



Robert






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[darktable-user] openCL darktable - amddgpu-pro Radeon RX 460 and Ubuntu 16.04.03

2017-12-22 Thread justa

Hi,

 I have Intel® Core™ i5-3570K CPU @ 3.40GHz × 4 and a AMD RX560 Radeon 
MSI 4GB. Ubuntu Gnome 16.04.3 LTS 64-Bit


I had/have also problems, with my graphics but not with opencl and 
darktable. I used



sudo usermod -a -G video $LOGNAME

./amdgpu-pro-install --opencl=legacy

and it works.

my other graphic problem is,  I can not use my second monitor any more, 
there is no second monitor in my GUI panel monitors,


but it doesn't bother me , because I use darktable on a own installation.

Robert



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