LinuxQuestions.org
Share your knowledge at the LQ Wiki.
Go Back   LinuxQuestions.org > Forums > Linux Forums > Linux - Software
User Name
Password
Linux - Software This forum is for Software issues.
Having a problem installing a new program? Want to know which application is best for the job? Post your question in this forum.

Notices


Reply
  Search this Thread
Old 06-26-2017, 10:39 PM   #1
Red Squirrel
Senior Member
 
Registered: Dec 2003
Distribution: Kubuntu 20.04 on workstation, CentOS 6.x on servers
Posts: 1,206

Rep: Reputation: 49
Darktable making my pictures crap right when I first open them


I used to use a program called Raw Studio, and it had the best work flow and I liked everything about it. Problem is, it's not available on Mint 18. I don't know why, they just never chose to include a package for that distro. So I've been using Dark Table as that one has a half decent work flow. But I noticed today how it really bodges the quality of the images.


Check out this horrible jpg artifacts. This was shot in raw:

http://gal.redsquirrel.me/thumbs/lrg-3813-darktable.png

The exact same file in Raw Therapee. (downside of that program is it lacks proper workflow management so it's why I can't use it)

http://gal.redsquirrel.me/thumbs/lrg...awtherapee.png

These are without making any changes to the pictures, just opening them.

Oddly this is probably the very worse I've ever seen, been using Dark table for a while now and other than high noise compared to Raw Studio I've never seen this much jpg artifacts before. Wonder if it's some kind of update that caused that.

Any other programs in Linux I can try, or a way to make this one better? I really need something with proper work flow as I tend to take lot of pictures then pick the best ones.


Oddly, the first one resembles more of what is in camera as far as darkness goes. It was shot at about 10s (I forget what I had set it to) and 100 iso with F3.5.
 
Old 06-27-2017, 12:28 AM   #2
hydrurga
LQ Guru
 
Registered: Nov 2008
Location: Pictland
Distribution: Linux Mint 20 MATE
Posts: 8,048
Blog Entries: 5

Rep: Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917
You can run Raw Studio on Mint by adding the following PPA:

https://launchpad.net/~rawstudio/+archive/ubuntu/ppa

found through the Raw Studio downloads page:

https://rawstudio.org/download.php
 
Old 06-27-2017, 12:38 AM   #3
hydrurga
LQ Guru
 
Registered: Nov 2008
Location: Pictland
Distribution: Linux Mint 20 MATE
Posts: 8,048
Blog Entries: 5

Rep: Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917
Regarding the Darktable issue, if no-one is able to help you here, you could try the forum at https://www.dpreview.com/forums/1006 (if you do, then please let us know how you get on).
 
Old 06-27-2017, 03:41 AM   #4
Red Squirrel
Senior Member
 
Registered: Dec 2003
Distribution: Kubuntu 20.04 on workstation, CentOS 6.x on servers
Posts: 1,206

Original Poster
Rep: Reputation: 49
Quote:
Originally Posted by hydrurga View Post
You can run Raw Studio on Mint by adding the following PPA:

https://launchpad.net/~rawstudio/+archive/ubuntu/ppa

found through the Raw Studio downloads page:

https://rawstudio.org/download.php
I tried that already, I then get an error that it's not available for Xenial.
 
Old 06-27-2017, 08:03 AM   #5
hydrurga
LQ Guru
 
Registered: Nov 2008
Location: Pictland
Distribution: Linux Mint 20 MATE
Posts: 8,048
Blog Entries: 5

Rep: Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917
Quote:
Originally Posted by Red Squirrel View Post
I tried that already, I then get an error that it's not available for Xenial.
Ah. You're right of course. I assumed it would be available for Xenial but it appears it isn't. Apologies, particularly because we originally debated the same subject! (where has my memory gone?) http://www.linuxquestions.org/questi...-a-4175589242/

I know you're not keen on it, but have you considered making Raw Studio from source (via e.g. Github, as described on the downloads page)? Not only might it well work, but it would also be a useful learning experience. If you want to do so, I can do the same on my Mint VM at the same time in order to help you resolve any potential problems.
 
Old 06-27-2017, 09:14 PM   #6
Red Squirrel
Senior Member
 
Registered: Dec 2003
Distribution: Kubuntu 20.04 on workstation, CentOS 6.x on servers
Posts: 1,206

Original Poster
Rep: Reputation: 49
Ok so think I figured it out. It seems that by default it applies a "base curve" and it actually makes the pic quality worse than if I adjusted it myself. I never really noticed this before. If I reset this curve and retouch it's way better. I also found an option under "show global preferences" (gear on top, somewhat right area) which lets me change the default curve to "per camera". The one it picks for my camera is also not as bad as the default. Not sure how to change the default, or how to change any of them, but when I'm in edit mode I can still reset them on the left where the modification steps get stored.

Kind of glad I found this as I was finally starting to get used to the workflow of Darktable so did not really want to switch programs.
 
Old 06-28-2017, 12:30 AM   #7
hydrurga
LQ Guru
 
Registered: Nov 2008
Location: Pictland
Distribution: Linux Mint 20 MATE
Posts: 8,048
Blog Entries: 5

Rep: Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917Reputation: 2917
Thanks for letting us know, RS.
 
  


Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off



Similar Threads
Thread Thread Starter Forum Replies Last Post
LXer: darktable 2.0 Open Source RAW Image Editor Is Out, Has Been Ported to GTK3 LXer Syndicated Linux News 0 12-25-2015 08:41 AM
LXer: Darktable- An open source photography workflow application and RAW developer LXer Syndicated Linux News 0 03-23-2012 02:20 AM
LXer: Darktable : Open Source Photography Apps and RAW Photo Editor LXer Syndicated Linux News 0 03-20-2012 09:30 PM
LXer: Darktable For Open-Source Photography LXer Syndicated Linux News 0 01-21-2012 03:40 PM
making picasa the default prog for pictures acein1 Linux - Newbie 7 11-19-2010 10:42 AM

LinuxQuestions.org > Forums > Linux Forums > Linux - Software

All times are GMT -5. The time now is 05:31 PM.

Main Menu
Advertisement
My LQ
Write for LQ
LinuxQuestions.org is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
Syndicate
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
Open Source Consulting | Domain Registration