[Gmsh] problem when saving in unroll format surface which contains a hole boundary

[benjamin JEANTY-RUARD]

Hello every body!

I have a problem with Gmsh software.

I create a ruled surface which contains a hole boundary. Then I want to
save this geo file in unroll format. But when I do it, my ruled surface
is not exported and I do not understand why. I have the message:

"Error   : Skipping surface 40 in export"

The file is attached to this mail.

Can you say me if I perform something wrong or not.

I tested this operation with gmsh version 2.4.2, 2.7.0 and 2.8.4.

Thanks a lot.

Regards

-- 


Benjamin JEANTY-RUARD

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