Incorrect render layer visibility display for animated render layers #39828
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Reference: blender/blender#39828
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System Information
Win7/64, AMD HD 6850
Blender Version
since 2.57b
Short description of error
When navigating forward from a key frame for visibility of render layers to another key frame, the display does not match the actual values:
Actually, only layer 2 is visible.
Exact steps for others to reproduce the error
RenderLayers.blend
Changed status to: 'Open'
Added subscriber: @willi-2
Added subscribers: @brecht, @ideasman42, @Sergey, @mont29
Iirc, this should not be animatable? Brecht, Campbell, Sergey, can you confirm?
From my understanding the things they shouldn't be animatable. But i might be wrong.
We disabled animation of scene layers because it gave dependency graph issues I think. This render layer value should not suffer from that particular problem.
I think the problem here is the way this RNA property interacts with the animation system. Because it's not allowed to have zero layers enabled, the f-curve that disables the first layer will be ignored when going from frame 0 to 1. That's a tricky issue as well though.
@brecht, it doesn't seem render engine supports changes in render layers visibility. Here's a sample file which is free from the mentioned bug in animation but which fails to render animation{F85610}.
AFAIR, this bits are copied into Render and not being updated. We could support this, but isn't it a TODO and meanwhile marking layers as non-animatable is ok-ish thing?
I see. I'll keep layer 20 visible all the time. Should be a temporary workaround. Not essential for me anyway, so I'll do it differently if you decide to drop animatability of render layers.
Thanks.
I'm OK with this being marked non-animatable for now.
This issue was referenced by blender/blender-addons-contrib@14ab812da5
This issue was referenced by
14ab812da5
Changed status from 'Open' to: 'Resolved'
Closed by commit
14ab812da5
.