[Gmsh] Question

Christophe Geuzaine cgeuzaine at ulg.ac.be
Mon Mar 19 23:42:49 CET 2007

Antonio Manoel Ferreira Frasson wrote:
> Hi all,
> The gmsh 2D topology have a problem for me.
> The numbers of nodes of the triangles in some surfaces are clockwise and
> in other surfaces are counterclockwise. I have made a test in my own 
> program.
> Can I say to the GMSH that I only want a clockwise numeration?

Hi Antonio - the orientation of the elements follows the orientation of
the surfaces: just revert the surfaces to change the orientation (or
define physical groups with negative entities: this will have the same

> Thanks
> Antonio Frasson
> _______________________________________________
> gmsh mailing list
> gmsh at geuz.org
> http://www.geuz.org/mailman/listinfo/gmsh

Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science