Vertex weight not carried through bevel modifier #105012
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Reference: blender/blender#105012
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System Information
Operating system: Windows-10-10.0.22621-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 4080 4.5.0 NVIDIA 528.24
Blender Version
Broken: version: 3.4.1, branch: blender-v3.4-release, commit date: 2022-12-19 17:00, hash:
rB55485cb379f7Worked: (newest version of Blender that worked as expected)
Short description of error
Vertex weight not carried through bevel modifier in some cases
Exact steps for others to reproduce the error
105012.blend
goodobjectbadobjectOK, some more testing (which solves the issue at least on the example I posted [also if there is a second bevel modifier with custom profile on there] -- as well as to some degree for the original file as well [which is posted below]):
badobjectMesh>Sort Elements> e.g.Cursor DistanceOriginal report
Short description of error
When wishing to create a bevel with the modifier on a specific vertex group aftern another Bevel modifier, the vertex group does not carry over.
Exact steps for others to reproduce the error
Since this is an attribute, this appears to be a duplicate of a closed report: #104288
@mod_moder , Since this predates the whole attributes system introduced with geometry nodes, it is not a duplicate of the report mentioned above. The vertex weights appear to work in some areas, and not in others, leading me to believe that it is some kind of bug
Notice the different behavior for different domains?
The bevel modifier doesn't allow for any different domains in vertex weights other than points.
Interesting.
Got a file here that has two objects with seemingly the same geometry.
One works, the other doesnt
@howardt : would you know what is going on? (cant spot the difference on those two meshes)
@lichtwerk They both don't work, play around with the modifier radius
Yes, if the radius is quite small, the vertex weights transfer over, but it if it is larger, they decide not to. However, that is not always the case. In the original example I posted above, there is no issue on the corners of the mirrored object, which also utilised the same bevel weights and vertex groups. Maybe concave/convex have something to do with it also?
Not sure I understand correctly.
I assume we are talking about
Amount?I can increase/decrease that on my example file for the
goodobject as much as I want and still get correct results,badis more or less always broken (unless you setAmountto zero of course).Also, these two objects have the verts in the same positions (I snapped those), so unsure how concave/convex should matter here?
OK, some more testing (which solves the issue at least on the example I posted [also if there is a second bevel modifier with custom profile on there] -- as well as to some degree for the original file as well):
Mesh>Sort Elements> e.g.Cursor DistanceBy the way, yes, this is not a regression ...
One more test. It seems that the interpolation used some kind of position data and there is some kind of error.