Maniphest T68838

Edge loop selection doesn't work in some cases
Closed, Archived

Assigned To
Campbell Barton (campbellbarton)
Authored By
Cirno (Cirno)
Aug 19 2019, 8:25 PM
Tags
  • BF Blender
  • Modeling
Subscribers
Campbell Barton (campbellbarton)
Cirno (Cirno)
Jacques Lucke (JacquesLucke)

Description

System Information
Operating system: Windows-8.1-6.3.9600 64 Bits
Graphics card: GeForce GT 730/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 388.71

Blender Version
Broken: version: 2.81 (sub 1), branch: master, commit date: 2019-08-08 20:54, hash: rB4c9fe657458f

Short description of error
Loop selection don't work on some edges.

Exact steps for others to reproduce the error
Here on this mesh, if I try to use loop selection on edge 1, then edge 2 will not be selected. But if I try to use loop selection on edge 2, edge 1 will be selected. Seem like bug to me.
https://i.imgur.com/nwKoDPO.png

Event Timeline

Cirno (Cirno) created this task.Aug 19 2019, 8:25 PM
Philipp Oeser (lichtwerk) added a project: Modeling.Aug 20 2019, 12:05 PM
Jacques Lucke (JacquesLucke) added a subscriber: Jacques Lucke (JacquesLucke).Aug 20 2019, 2:17 PM

It does feel a bit buggy, I agree. However, this might not actually be a bug. Is an edge loop actually defined on non-quad geometry?

Please upload images directly here in the future.

Cirno (Cirno) added a comment.Aug 20 2019, 2:35 PM
In T68838#756950, @Jacques Lucke (JacquesLucke) wrote:

Is an edge loop actually defined on non-quad geometry?

Yes, there is n-gons adjacent to edge 1. So it looks like it's the reason why edge loop is not detected on that edge.

Campbell Barton (campbellbarton) changed the task status from Unknown Status to Archived.Aug 27 2019, 9:08 AM
Campbell Barton (campbellbarton) claimed this task.
Campbell Barton (campbellbarton) added a subscriber: Campbell Barton (campbellbarton).

This is currently only designed to work with quads, closing.