Fade Geometry state changes selectability #70907
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Reference: blender/blender#70907
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System Information
Operating system: Windows-10-10.0.18362 64 Bits
Graphics card: GeForce GTX 1060 3GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.86
Blender Version
Broken: version: 2.83 (sub 10), branch: master, commit date: 2020-03-19 11:11, hash:
cc516b82ef
Short description of error
With Fade Geometry enabled, other objects can not be selected while in pose mode.
With Fade Geometry disabled, other objects can be selected while in pose mode.
Exact steps for others to reproduce the error
#70907.blend
Added subscriber: @SteveBabb
#98154 was marked as duplicate of this issue
Added subscribers: @WilliamReynish, @Jeroen-Bakker, @lichtwerk
I have to agree this confuses me as well:
First off, I looks like if we are in this "mixed-selection-scenario" (armature in pose, mesh in weightpaint), we are "abusing" the
Toggle X-Ray
button (orAlt+Z
shortcut) to actually toggleFade Geometry
.While these are tightly coupled, this is a bit of an "unconventional" UI design choice [to say at least].
You are hitting a toggle button but nothing changes in the toggle button visually [because in reality, you are changing a different setting under the hood...]
If this cant be worked around, this should at least be mentioned in the tooltip?
Or should be substitute the button with the "real" thing in this scenario? [meaning we would take out the stuff from
toggle_xray_exec
and actually display a toggle forFade Geometry
? (orShow Bone X-Ray
how it is called in code)](this way we would actually get a visual change in the button when we click on it)
Anyways, this aside I can see two issues:
Fade Geometry
ON: clicking on mesh will not select the mesh for weightpainting [not sure if this has been reported before]Fade Geometry
OFF: bones are harder to select, only bone wireframe is clickable [that is known though, see #67208]@Jeroen-Bakker, @WilliamReynish : could you share your thoughts on this?
Fade Geometry Unexpected Behaviorto Fade Geometry / Show Bone X-Ray: Unexpected BehaviorAdded subscriber: @AditiaA.Pratama
Fade Geometry / Show Bone X-Ray: Unexpected Behaviorto Fade Geometry state changes selectabilityChanged status from 'Needs Developer To Reproduce' to: 'Confirmed'
Fade geometry is part of the Bone Selection Overlay. When enabled you're only able to select bones. The bone selection overlay was designed to be turned on only when you want to select a bone, and after selecting a bone to turn it off again so you could do the work you want. It is also added to a keyboard shortcut to quickly enable/disable it.
IMO this ticket is more about better description what it does as it only shows that it is a bone selection overlay when hovering.
Added subscriber: @dr.sybren
Thanks @Jeroen-Bakker for the clarification. The UI is indeed confusing, as it looks like the checkbox only enables "Fade Geometry".
I would also suggest changing the tooltip from "Show the Bone Selection overlay" to "Show bones in front of geometry, making it easier to select bones but impossible to select anything else". I'm not sure whether the "impossible to select anything else" is intended, though. If it's not, we'd better not document it (otherwise future bug report triagers will say "look, it works as documented, it's not a bug").
And this is where things are more confusing, as the Bone Selection Overlay toggle has no keyboard shortcut assigned to it. Rather, it responds to {key Alt+Z}, which toggles X-Ray, which happens to somehow also toggle Bone Selection Overlay.
Maybe we should name the overlay "Bone Selection X-Ray Overlay" instead? That way there is at least some consistency within the naming, making it more reasonable that the "Toggle X-Ray" and "Bone Selection X-Ray Overlay" listen to the same toggle button at times.
Added subscribers: @Zcyber, @PratikPB2123