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Maniphest T42752

Cycles Motion Blur renders black with boolean modifier
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Description

System Information
Win7 64 bit, Geforce GTX 560Ti

Blender Version
2.70, 2.72a

Short description of error
Enabling Cycles Motion Blur increases rendertimes drastically and renders object black.
Disabling the Boolean Modifier in render causes no render errors.

Exact steps for others to reproduce the error
Could not reproduce using simple steps.

MBlurBooleanBug.blend1 MBDownload

Related Objects

Event Timeline

Frederik Steinmetz (SpiderguyF) created this task.Nov 28 2014, 10:24 PM
Frederik Steinmetz (SpiderguyF) raised the priority of this task from to 90.
Frederik Steinmetz (SpiderguyF) updated the task description. (Show Details)
Frederik Steinmetz (SpiderguyF) added a project: BF Blender.
Frederik Steinmetz (SpiderguyF) edited a custom field.
Frederik Steinmetz (SpiderguyF) added a subscriber: Frederik Steinmetz (SpiderguyF).
Joel Godin (FloridaJo) added a subscriber: Joel Godin (FloridaJo).Nov 29 2014, 2:58 AM

Merge with T42742?

Julian Eisel (Severin) claimed this task.Nov 29 2014, 1:29 PM
Julian Eisel (Severin) removed Julian Eisel (Severin) as the assignee of this task.
Julian Eisel (Severin) merged a task: T42742: Cycles motionblur with curve modifier.
Julian Eisel (Severin) added subscribers: brothermechanic (brothermechanic), Julian Eisel (Severin).
Julian Eisel (Severin) lowered the priority of this task from 90 to 50.Nov 29 2014, 1:56 PM
Sergey Sharybin (sergey) changed the task status from Unknown Status to Unknown Status.Dec 2 2014, 1:56 PM
Sergey Sharybin (sergey) claimed this task.

You're trying to use a deformation motion blur on an object which changes topology. Such configuration is not supported and you need to disable deformation motion blur on such objects.

Julian Eisel (Severin) mentioned this in T42819: motion blur gives false result when using a curve deform modifier and using auto smooth.Dec 6 2014, 5:08 PM