Maniphest T67800

Simple Subdivision Surface modifier on loose edges behaves strangely
Closed, Resolved
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Assigned To
Sergey Sharybin (sergey)
Authored By
takaaki takeda (popqjp)
Jul 27 2019, 12:55 PM
Tags
  • BF Blender
Subscribers
takaaki takeda (popqjp)

Description

System Information
Operating system: Windows-10-10.0.17134 64 Bits
Graphics card: GeForce GTX 970/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 430.86

Blender Version
Broken: version: 2.80 (sub 75), branch: master, commit date: 2019-07-26 15:34, hash: rB79ce2054d436
Worked: (optional)

Short description of error
When Subdivision Surface modifier is added on mesh with loose edges,
it behaves strangely.
The attached image shows how it looks when Simple suvdivision Surface modifier is added on the icosphere with loose edges

Exact steps for others to reproduce the error
Add icosphere, and edit it.
Delete the faces by Delete Only Faces, and only loose edges remains.
Then, add subdivision surface modifier and set it to Simple Type.
The mesh seems strage.

It seems that z-component of subdivided vertices are set to be 0.
I am not so sure, but I guess that only x- and y- components are subdivided properly ?

(Subdivision surface modifier on loose edges have changed for fixing of recent bug report T67599.
So this may come from that. )

Revisions and Commits

rB Blender
rB7ac0c87473cd Fix T67800: Incorrect behavior of simple Subdivision Surface

Related Objects

Event Timeline

takaaki takeda (popqjp) created this task.Jul 27 2019, 12:55 PM
Sergey Sharybin (sergey) claimed this task.Jul 29 2019, 11:24 AM
Sergey Sharybin (sergey) lowered the priority of this task from 90 to 50.
Sergey Sharybin (sergey) changed the task status from Unknown Status to Resolved by committing rB7ac0c87473cd: Fix T67800: Incorrect behavior of simple Subdivision Surface.Jul 29 2019, 11:27 AM
Sergey Sharybin (sergey) added a commit: rB7ac0c87473cd: Fix T67800: Incorrect behavior of simple Subdivision Surface.