Coplanar faces (edit mode, shift-g/coplanar) finds parallel faces in other planes #61799

New Issue

C.Alis · 2019-02-21T12:41:17+01:00

C.Alis commented

2019-02-21 12:41:17 +01:00

System Information
Operating system: Windows 7 pro
Graphics card: AMD Radeon HD 6800 Series

Blender Version
Broken: blender-2.80.0-git.1af810b4ff17-windows64 and older 2.8 betas I tried.

Worked: blender 2.79

Start with starting cube, go to edit mode,
select top face of cube (other faces give similar bad results) and
hit shift-g, select coplanar and the face on the other side of the selected
one gets selected as well.. parallel, but not in the same plane :(

On more complex objects (extrude some faces in some directions and try again for example)
only some of the parallel (non-coplanar) faces get selected, not all..

Interesting fact: move the cube in one axis and the bug goes away for this axis only:
Move the starting cube up (g z 1) and the bug goes away for top (and bottom) face,
still there for left, right, front, back faces..

Based on the default startup.
Good luck finding this one - and best wishes from Vienna/Austria!

More info after some experiments:
The wrong faces seem to be in the parallel plane on the other side of the origin
(same normal distance to origin, but opposite sign).

**System Information** Operating system: Windows 7 pro Graphics card: AMD Radeon HD 6800 Series **Blender Version** Broken: blender-2.80.0-git.1af810b4ff17-windows64 and older 2.8 betas I tried. Worked: blender 2.79 Start with starting cube, go to edit mode, select top face of cube (other faces give similar bad results) and hit shift-g, select coplanar and the face on the other side of the selected one gets selected as well.. parallel, but not in the same plane :( On more complex objects (extrude some faces in some directions and try again for example) only some of the parallel (non-coplanar) faces get selected, not all.. Interesting fact: move the cube in one axis and the bug goes away for this axis only: Move the starting cube up (g z 1) and the bug goes away for top (and bottom) face, still there for left, right, front, back faces.. Based on the default startup. Good luck finding this one - and best wishes from Vienna/Austria! More info after some experiments: The wrong faces seem to be in the parallel plane on the other side of the origin (same normal distance to origin, but opposite sign).

C.Alis commented

2019-02-21 12:41:17 +01:00

Added subscriber: @HerbertPohlai

Campbell Barton was assigned by Sebastian Parborg

2019-02-21 17:15:29 +01:00

Brecht Van Lommel commented

2019-03-15 11:34:18 +01:00

Closed as duplicate of #62595

Brecht Van Lommel closed this issue

2019-03-15 11:34:18 +01:00

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Coplanar faces (edit mode, shift-g/coplanar) finds parallel faces in other planes #61799