Freestyle will unnecessary exclude some linked objects. #48366
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Reference: blender/blender#48366
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freestyle_bug.7z
System Information
Xubuntu 14.04
NVidia GT 240
Blender Version
Official Blender 2.77a (
abf6f08
)Short description of error
I prepared an example for this bug.
As you can see, there are three cubes on front, 2 of them in a group which I decided to exclude from freestyle calculation through RenderLayers > Freestyle Line Set > Selection By: Group > Group: Group > Exclusive
So, our linked library IS NOT within the excluded Group named "Group, and so, no linked object should be excluded.
Looking carefully in the Outliner, one can see why this is happening, just by the simple reason that one of the excluded cubes has the same name that the linked monkey head, so, for Blender is like if that object IS inside the excluded group, so he decides to exclude it from the result. You can prove that by changing the name of the cube named "monkey" to something else. Now the monkey head gets its freestyle lines as it should.
This is a very annoying bug when working on big projects, as it becomes really hard to "discover" between so many objects, the very reason why some of these aren't rendering properly in freestyle.
I think the solution is simple, it should involve some way of giving the linked objects a different ID or something internally, so that objects remain "different" for Blender.
Regards.
Changed status to: 'Open'
Added subscriber: @chaos-4
Added subscribers: @kjym3, @mont29
Can confirm the issue. Objects in blender have a unique name + library, name itself is not enough as uuid.
@kjym3 tried to track down that group member of lineset in code, with not much luck… Will let you handle this, assuming this 'group filtering' is done somewhere in freestyle code itself. :)
Thanks a lot @mont29, I will look into the reported issue when time permits.
This issue was referenced by
a2a7316d92
Changed status from 'Open' to: 'Resolved'