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Maniphest T67567

Moving with Topology mirror makes specific vertices go haywire.
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Description

System Information
Operating system: Windows-10-10.0.17134 64 Bits
Graphics card: GeForce GTX 750 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 388.13

Blender Version
Broken: version: 2.80 (sub 74), branch: master, commit date: 2019-07-11 13:50, hash: rB06312c6d2db8
Worked: (optional)

Exact steps for others to reproduce the error

  1. Load attachment;
  2. Select all vertices;
  3. Move.

(Moving a single vertex with proportional edit also reproduces the same problem)

kraggHigh.blend1 MBDownload

Event Timeline

Luke Costello (lukostello) created this task.Jul 24 2019, 7:46 AM
Germano Cavalcante (mano-wii) renamed this task from If topology mirror and proportional editing are on, specific vertices go haywire. to Moving with Topology mirror makes specific vertices go haywire..Jul 24 2019, 4:19 PM
Germano Cavalcante (mano-wii) assigned this task to Campbell Barton (campbellbarton).
Germano Cavalcante (mano-wii) lowered the priority of this task from 90 to 50.
Germano Cavalcante (mano-wii) updated the task description. (Show Details)
Germano Cavalcante (mano-wii) lowered the priority of this task from 50 to Low.Jul 24 2019, 4:25 PM
Germano Cavalcante (mano-wii) added a subscriber: Germano Cavalcante (mano-wii).

By the way, the object is not symmetrical, I don't know why enable topology mirror in this situation.

Luke Costello (lukostello) added a comment.Jul 24 2019, 5:22 PM

It had remained on from when I was working with a symmetrical object. Still shouldn't be a problem, it isn't a problem for most of the vertices. If you decide to apply a mirror modifier to the mesh then use the proportional editing tool (I recommend large radius around the hands) with topology mirror on then different weird stuff happens, where it doesn't mirror correctly on the same vertices.

Campbell Barton (campbellbarton) changed the task status from Unknown Status to Archived.Jul 25 2019, 1:26 AM

Topology mirror depends on symmetrical meshes with unique topology, anything else won't work as expected.

Luke Costello (lukostello) added a comment.Jul 25 2019, 1:56 AM

you mean asymmetric meshes? Even so, it doesn't explain why those vertices are being exclusively effected.