[Gmsh] Extract/highlight geometry edges

[Christophe Geuzaine]

billy at dem.uminho.pt wrote:
> Hello,
> 
> Is there a way to extract edges from a mesh? This because I want to include the
> edges of the geometry in the post-processing view but the lines used to
> construct the geometry look too confusing (to build the geometry I need more
> lines than just the edges). 
> 

You could save the surface mesh as an STL file (File->Save as->STL) and 
reload it: this will detect the edges. (You can change the STL options 
and use 'Update edges' in the mesh menu to refine the angle threshold.)


> Billy.
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> 


-- 
Christophe Geuzaine
Assistant Professor, Case Western Reserve University, Mathematics
http://www.case.edu/artsci/math/geuzaine