bugMyPaint - Bugs: bug #13237, [brushlib] problematic...

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bug #13237: [brushlib] problematic "tracking noise" (jitter) setting

Submitted by:  Martin Renold <martinxyz>
Submitted on:  Sun 22 Mar 2009 01:41:23 PM UTC  
Severity: 3 - NormalPriority: 5 - Normal
Status: ConfirmedPrivacy: Public
Assigned to: NoneOpen/Closed: Open
Release: Planned Release: None
Operating System: 

Sun 07 Feb 2010 02:19:53 PM UTC, comment #1:

New brushes show that this feature is actually still very useful, and the problem with the size-dependent CPU usage is not a big issue.

However the problem with the size dependency should be checked (it might even depend on the event rate of the input device).

Martin Renold <martinxyz>
Project Administrator
Sun 22 Mar 2009 01:41:23 PM UTC, original submission:

Brushes using this feature (eg "hair") seem to be pretty resolution/size dependent, some sizes showing no jitter at all, and other more than expected.

Even worse, it is very easy to overload the CPU with this feature (just increase the brush radius of the "hair" brush), causing MyPaint to freeze for a long time (perceived as crash).

Martin Renold <martinxyz>
Project Administrator


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  • -unavailable- added by martinxyz (Submitted the item)

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    Follow 2 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Sun 07 Feb 2010 02:19:53 PM UTCmartinxyzSummaryproblematic "tracking noise" (jitter) setting=>[brushlib] problematic "tracking noise" (jitter) setting
    Sun 07 Feb 2010 02:19:52 PM UTCmartinxyzStatusNone=>Confirmed
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