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Smooth shading attribute on mesh has no effect when selected on mesh with subdivision modifier on top of a skin modifier.
Closed, InvalidPublic

Description

Duh: I completely missed the ´smooth shading' toggle in the skin modifier options :-(

System Information
Ubuntu 15.04 64bits/ Nvidia GTX970

Blender Version
Broken: 2.76 c586e30, same behaviour in 2.74 000dfc0
Worked: (optional)

Short description of error

It is impossible to set the smooth shading attribute on a mesh that has a subdivision modifier on top of a akin modifier. Other combinations (for example a subdiv on top of a mirror modifier) work as expected. When clicking the smooth shading button multiple times on a mesh with either just the skin mod or with both, some changes in the apparent normals and geometry are visible that cycle with each click, but no smooth shading is visible.

Exact steps for others to reproduce the error

Add -> Mesh -> Cube
Add Modifier : Skin
Add Modifier : Subdivision surface
Set Tools->Shading->Smooth

There is no effect,

Apply Skin Modifier
Set Tools->Shading->Smooth

Now the smooth shading is applied.

Alternatively: load the attached .blend an click smooth shading: no smooth shading is applied, but clicking multiple times does change the modified mesh topology.

Details

Type
Bug

Event Timeline

Michel Anders (varkenvarken) created this task.
Michel Anders (varkenvarken) raised the priority of this task from to Needs Triage by Developer.
Michel Anders (varkenvarken) closed this task as Invalid.