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Maniphest T42940

"Measure Panel" Addon interfering with Cycles animation rendering
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Description

System Information
I7-4770K 3.5GHz, 16G RAM, Windows8.1 x64, GTX760 (2x non SLI).
I7-920 2.67GHz, 12G RAM, Windows7 Pro, GTX460

Blender Version
Broken:2.72 Gooseberry 2014-12-02 e7d0c58. Reproduced it with the 2.72b release
Worked: (optional)

Short description of error

Exact steps for others to reproduce the error
Start Blender with "Measure Panel" Addon activated
Open attached scene (scratch.blend)
Render animation
result; Cycles renderer slows waaaayy down after frame 5 (from ~3s per frame to over 45s per frame).
To verify:
De-activate "Measure Panel" Addon
Restart Blender
Open attached scene (scratch.blend)
Render animation
//result: no Cycles slowdown after frame 5

Related Objects

Event Timeline

jay banchero (dynaperspective) created this task.Dec 17 2014, 11:15 PM
jay banchero (dynaperspective) assigned this task to Martin Buerbaum (pontiac).
jay banchero (dynaperspective) raised the priority of this task from to 90.
jay banchero (dynaperspective) updated the task description. (Show Details)
jay banchero (dynaperspective) added a project: Add-ons (Community).
jay banchero (dynaperspective) edited a custom field.
jay banchero (dynaperspective) added a subscriber: jay banchero (dynaperspective).
Sergey Sharybin (sergey) added a subscriber: Sergey Sharybin (sergey).Dec 23 2014, 6:29 AM

There's in no attached scratch.blend file tho.

I've noticed quite heavy calculations in the scene update handler which is registered by this addon. IMO, that would be totally valid to skip those calculations when doing rendering.

Julian Eisel (Severin) lowered the priority of this task from 90 to 30.Dec 23 2014, 6:37 AM
Julian Eisel (Severin) added a subscriber: Julian Eisel (Severin).
Sergey Sharybin (sergey) added a comment.Dec 23 2014, 7:00 AM

@Julian Eisel (Severin), even tho the file is missing it is possible to solve loads of slowdown using the suggestion above. It'll likely solve issue with that particular file.

Sergey Sharybin (sergey) raised the priority of this task from 30 to Normal.Dec 23 2014, 7:01 AM
jay banchero (dynaperspective) added a comment.Dec 23 2014, 7:57 AM

Hmm... sorry about that - I thought I dragged the file into the comment window as instructed. I did notice the problem did not happen with just the default cube though. My test file is from Lynda.com physics tutorial, fwiw.

...I'm seeing a progress window :)

scratch.blend4 MBDownload

Sergey Sharybin (sergey) mentioned this in T43543: Cycles animation render freezing after approximately 10 renders.Feb 3 2015, 8:55 AM
Brendon Murphy (meta-androcto) claimed this task.May 24 2015, 3:36 AM
Brendon Murphy (meta-androcto) triaged this task as 50 priority.
Brendon Murphy (meta-androcto) added a comment.May 24 2015, 4:15 AM

hi,
There are a few fixes to apply to this addon.
Register/Unregister, lack of on/off button in ui & the render issue described above.
I will have a look at these very soon.
This could also be an issue for all bgl addons as I found similar cpu eat issue with another yesterday.
So there is also the option of adding warning to turn off during rendering or auto-disable if render is
If I'm unable to fix the addon, there will be no choice but to remove it from Release.

Brendon Murphy (meta-androcto) mentioned this in rBA269c5a882b99: removing broken addon. T42940.May 24 2015, 12:48 PM
Brendon Murphy (meta-androcto) changed the task status from Unknown Status to Resolved.May 24 2015, 12:53 PM

hi, this addon is badly broken & has been for a considerable time.
Removing from Release & demoting to contrib until closer to next release.
At which time if it is still not fixed, it will be removed from contrib addons also.

Closing this report.

Brendon Murphy (meta-androcto) mentioned this in rBAC5e15b567f2e8: grace period in contrib. T42940.May 24 2015, 1:27 PM
Vuk Gardašević (lijenstina) mentioned this in T54023: Re: space_view3d_panel_measure.py.Feb 7 2018, 11:38 PM