[Gmsh] generate v2 mesh from python API

[Christophe Geuzaine]

> On 12 Feb 2019, at 15:47, Curti, M. <M.Curti at tue.nl> wrote:
> 
> Dear gmsh community,
>  
> Is it possible to generate the msh file with the old v2 version using the gmsh v4 API  for python? If yes, then how?
>  

Sure: just do

gmsh.option.setNumber("Mesh.MshFileVersion", 2.)
gmsh.write("file.msh")

or even simpler:

gmsh.write("file.msh2")

Christophe

> Regards,
> Mitrofan
>  
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— 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine