[Gmsh] Rotating elementary entities

[Paolo Tricerri]

Dear all,

I am trying to rotate rigidly a line (and similarly a surface and a volume)
but I get the following error:

Impossible to transform entity 1 (of type 212).

I have attached the two scripts that I use and I do not see why I get this
error. I have tried to google the error but I did not find anything useful.

Thank you for your help,

Have a nice day,

Paolo Tricerri
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