[Gmsh] node ordering of triangles

[Mikhail Titov]

It depends on what you have in your GEOmetry file. For instance, you can
swap line orientation using negative numbers while creating line loop or
surface. Look for word (ctrl+f) 'negative'
http://www.geuz.org/gmsh/doc/texinfo/gmsh.html#Lines .

Mikhail


> -----Original Message-----
> From: gmsh-bounces at ace20.montefiore.ulg.ac.be [mailto:gmsh-
> bounces at ace20.montefiore.ulg.ac.be] On Behalf Of Bart Vandewoestyne
> Sent: Wednesday, May 26, 2010 10:01 AM
> To: gmsh at geuz.org
> Subject: [Gmsh] node ordering of triangles
> 
> Hello all,
> 
> I'm taking my first steps with gmsh and I noticed that there
> seems to be an inconsistency between the online documentation and
> the real gmsh output.
> 
> At http://www.geuz.org/gmsh/doc/texinfo/gmsh.html#Node-ordering
> it is graphically illustrated that the node ordering for a
> triangle element is counterclockwise.  However, the following
> file produced with gmsh 2.4.2 seems to have clockwise ordering
> for the nodes of a triangle:
> 
> https://www.kuleuven-
> kortrijk.be/~bartv/square_with_physical_entities.msh
> 
> Is this indeed a bug in the documentation or am i misinterpreting
> something?
> 
> Kind regards,
> Bart
> 
> --
> 	"Share what you know.  Learn what you don't."
> 
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