Bug 367842 - Smudge Brush Radius could use a better sampling method.
Summary: Smudge Brush Radius could use a better sampling method.
Status: CONFIRMED
Alias: None
Product: krita
Classification: Applications
Component: Brush engines (show other bugs)
Version: git master (please specify the git hash!)
Platform: Compiled Sources Linux
: NOR wishlist
Target Milestone: ---
Assignee: Krita Bugs
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2016-08-26 09:10 UTC by wolthera
Modified: 2017-10-03 07:27 UTC (History)
2 users (show)

See Also:
Latest Commit:
Version Fixed In:

Attachments
Brush with high smudge radius. (33.66 KB, image/png)
2016-08-26 09:14 UTC, wolthera 		Details
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Description wolthera 2016-08-26 09:10:51 UTC 
Right now, when using a smudge brush with a brush radius of 50+%, there will be 'banding artefacts', which is caused by the sampling of the smudge radius being too even, giving big color changes too quickly. If the sampling could be slightly different, like random or gaussian, the qaulity would be much better. I will attach a sample kpp file showing the problem.

Reproducible: Always
Comment 1 wolthera 2016-08-26 09:14:39 UTC 
Created attachment 100779 [details]
Brush with high smudge radius.

100% shows it, even with sensors on.
50% needs the sensors off.
Comment 2 lokesh 2017-02-17 22:06:38 UTC 
Are artifacts like circular bands appearing when dragging it on canvas .
I would be glad to work on it . This would be my first time with krita . I might 
need some help . thanks
Comment 3 Halla Rempt 2017-02-18 08:23:51 UTC 
If you want to hack on Krita, join #krita on irc.freenode.net. All the developers hang out there, so you can ask questions if you get stuck somewhere.