[Gmsh] geo script - how to reference elements after reading a msh file

[Christophe Geuzaine]

> On 29 Feb 2020, at 16:04, Don Van Kerkhoven <donvk at distributel.net> wrote:
> 
> Hi,
>  
> I have a “triangulated.msh” file that was created from the Plugin(Triangulate) and saved.
> I need to attach features to this mesh as well as correct several normal directions.
>  
> How do I reference or access the points, lines, etc of this mesh ?
>  

This is not possible in a .geo script ; you'll need to use the API for that.


> Is there a way to harmonize the normals?
>  
> ------ code start --------
> Merge "Triangulated.msh";                                         // works, but normals are random
> SurfaceAll[]=Surface "*";                                             //  works, 1 surface detected
> LinesAll[]=Line "*";                                                         // fail, 0 lines detected
> PointsAll[]=Physical Point "*";                                    // fail, 0 lines detected
> ----- code end -------------
>  
>  
> thanks
> Don
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— 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine