[Gmsh] sphere created in Salome produces empty mesh

[Jan Schmitz]

Dear all,
I am trying to mesh a sphere that I have created in Salome and saved in either 
BREP,STL,STEP or IGES format.

Opening any of those geometries in Gmsh shows nothing, except for the STL format 
which shows a surface triangular representation of the sphere. Is this expected 
behaviour?

Running any of these commands produces empty meshes or error messages:
gmsh -3 Sphere_1.brep
gmsh -3 Sphere_1.stl
gmsh -3 Sphere_1.step
gmsh -3 Sphere_1.iges

Is the reason that a sphere has no edges? If yes, what steps are required to 
save geometries with spherical boundaries in Salome and to create a 3D 
tetrahedral mesh for them using Gmsh?

Btw, creating a Box in Salome and have Gmsh create a 3D mesh for this box works 
fine.

Thanks
Jan



      
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