Edges created by a bevel modifier are visible even for hidden items in edit mode (in wireframe display) #111304

New Issue

Willi · 2023-08-19T20:53:25+02:00

Willi commented

2023-08-19 20:53:25 +02:00

System Information
Operating system: Windows-10-10.0.19042-SP0 64 Bits
Graphics card: NVIDIA GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 536.99

Blender Version
Broken: version: 3.6.2, branch: blender-v3.6-release, commit date: 2023-08-16 16:43, hash: e53e55951e7a
Worked: I did not follow it back to n previous versions.
The Problem is also reproducable in the latest nightly e362a2f0d4

Short description of error
In mesh editting mode, if you hide an edge that is affected by a bevel modifier, the edges created by the bevel modifier are still visible. I expect them not to be visible because the edge is hidden.

Exact steps for others to reproduce the error

Open the attached file.
There is one mesh in edit mode. One of the edges is affected by a bevel modifier.
One face is already selected. Press Shift+H to hide all unselected items, including the aformentioned edge.
You still see the result of the bevel modifier even if the edge is hidden. I expect it not to be visible.

In practice, this caused many confusing "ghost" lines of invisible items.

**System Information** Operating system: Windows-10-10.0.19042-SP0 64 Bits Graphics card: NVIDIA GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 536.99 **Blender Version** Broken: version: 3.6.2, branch: blender-v3.6-release, commit date: 2023-08-16 16:43, hash: `e53e55951e7a` Worked: I did not follow it back to n previous versions. The Problem is also reproducable in the latest nightly e362a2f0d41f **Short description of error** In mesh editting mode, if you hide an edge that is affected by a bevel modifier, the edges created by the bevel modifier are still visible. I expect them not to be visible because the edge is hidden. **Exact steps for others to reproduce the error** 1. Open the attached file. 2. There is one mesh in edit mode. One of the edges is affected by a bevel modifier. 3. One face is already selected. Press Shift+H to hide all unselected items, including the aformentioned edge. 4. You still see the result of the bevel modifier even if the edge is hidden. I expect it not to be visible. In practice, this caused many confusing "ghost" lines of invisible items.

BevelHidden.blend

608 KiB

Willi added the

labels 2023-08-19 20:53:26 +02:00

YimingWu changed title from ~~Edges created by a bevel modifier are visible even for hidden items in edit mode~~ to Edges created by a bevel modifier are visible even for hidden items in edit mode (in wireframe display))

2023-08-20 04:56:10 +02:00

YimingWu changed title from ~~Edges created by a bevel modifier are visible even for hidden items in edit mode (in wireframe display))~~ to Edges created by a bevel modifier are visible even for hidden items in edit mode (in wireframe display)

2023-08-20 04:56:16 +02:00

YimingWu commented

2023-08-20 04:57:32 +02:00

Can confirm. It won't show up in solid display mode.

Goes back at least 3.3, probably never fixed.

Can confirm. It won't show up in solid display mode. Goes back at least 3.3, probably never fixed.

YimingWu added

and removed

labels 2023-08-20 04:57:44 +02:00

Willi commented

2023-08-20 10:23:12 +02:00

As I'm in the process of migrating from version 2.79 (because 2.8 kicked me for years...), I have quick access to 2.79. Tried it there: It's even worse. Not only the bevelled edges are shown, but all hidden items are shown just because there's the bevel modifier. I wasn't aware and I'm surprised it behaved this way in the past.

I do know that we can disable the modifier in edit mode in the modifier's settings. However, this is not an option because it would also disable it for the visible items.

As I'm in the process of migrating from version 2.79 (because 2.8 kicked me for years...), I have quick access to 2.79. Tried it there: It's even worse. Not only the bevelled edges are shown, but _all_ hidden items are shown just because there's the bevel modifier. I wasn't aware and I'm surprised it behaved this way in the past. I do know that we can disable the modifier in edit mode in the modifier's settings. However, this is not an option because it would also disable it for the visible items.

YimingWu commented

2023-08-21 05:19:45 +02:00

Investigated a bit, I think it's probably caused by:

Missing BM_elem_attrs_copy to newly created edges in bevel_build_edge_polygons
Missing edge attr interpolation to newly created edges in bevel_vert_construct

cc @HooglyBoogly @ideasman42 @JacquesLucke

Investigated a bit, I think it's probably caused by: - Missing `BM_elem_attrs_copy` to newly created edges in `bevel_build_edge_polygons` - Missing edge attr interpolation to newly created edges in `bevel_vert_construct` cc @HooglyBoogly @ideasman42 @JacquesLucke

Philipp Oeser commented

2023-08-21 09:17:43 +02:00

I recall #94207 and https://archive.blender.org/developer/D13634
(these probably are out-of-date though since the edge flags were refactored away)

I recall #94207 and https://archive.blender.org/developer/D13634 (these probably are out-of-date though since the edge flags were refactored away)

❤️ 1

Germano Cavalcante referenced this issue

2024-04-16 21:20:56 +02:00

Hiding in X-Ray reveals unselectable geometry #120710

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