[Gmsh] Adaptation with python interface

[Martin Vymazal]

Dear gmsh developers,

 is there  a way to supply my own metric and then adapt the mesh with respect 
to this metric using the python interface of gmsh?
 I know how to load a mesh into GModel and how to write it into an output 
file. I have a metric field produced by an external code (one metric tensor 
per mesh node). Is it possible to load this metric field (say in numpy array 
or similar)  and pass to gmsh ?

Thank you.

Best regards,

   Martin Vymazal
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