uvw unwrap: can not select faces, only whole mesh

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  03 March 2013
uvw unwrap: can not select faces, only whole mesh

I have an Editable Mesh with Unwrap UVW modifier
In the Edit window of the modifier, in Face sub-object mode
it is not possible to select a subset of faces ... either all faces or none are selectable

If I create another Editable Mesh (eg. from a simple Plane) then I can select single faces ...

As a workaround I broke the Editable Mesh into Elements, then applied the UVW modifier, then applied another Editable Mesh modifier and welded the vertices back together, this worked OK

Any idea why one Editable Mesh would disallow face selection?
  03 March 2013
Yeah most likely you have "select by element" checked. Its a box icon that seemingly has nothing to do with it's actual function.

Since they redid the gui in the unwrap window it's easy to miss things like this. (Why I am still on max 2010/2011)
  03 March 2013
Good idea, but that isn't my problem

"Select By Element" and "Select Element" is unchecked in both the flyout and the UVW Editor

This problem happens when I create an Editable Mesh (or Poly) from a Spline ...
  03 March 2013
That's... not normal.

Just to be clear, you have an edit poly or edit mesh above the editable spline in the stack? Or you just have faces turned on in viewport and renderer?
  03 March 2013
My stack looks like this on screen:

Unwrap UVW
Edit Poly (or Mesh)

(there is no subobject selection in the poly/mesh)

Face sub-object mode is active on Unwrap UVW

I have been Unwrapping stuff all week, but this problem only occurs with Spline > Editable Poly (or Mesh)

(Planar Angle is unchecked also)
  03 March 2013
What version of Max?...all bug fixes ...sorry PU's up to date? maybe better to post screens of exactly what your looking at.

For a more logical approach to unwrapping try .....


It may override your issue, and it's much easier to navigate than the default mess in unwrap uvw.
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