Hi Julian,
see the "Coherence" command :
http://geuz.org/gmsh/doc/texinfo/gmsh.html#Miscellaneous-geometry-commands
Coherence;
Removes all duplicate elementary geometrical entities (e.g., points having identical coordinates). Note that Gmsh
executes the Coherence command automatically after each geometrical transformation, unless Geometry.AutoCoherence is set
to zero (see Geometry options list).
Regards,
Dave
--
David Colignon, Ph.D.
Collaborateur Logistique du F.R.S.-FNRS
CÉCI - Consortium des Équipements de Calcul Intensif
ACE - Applied & Computational Electromagnetics
Institut Montefiore B28
Université de Liège
4000 Liège - BELGIQUE
Tél: +32 (0)4 366 37 32
Fax: +32 (0)4 366 29 10
WWW: http://hpc.montefiore.ulg.ac.be/
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On 01/01/11 20:33, Julian Dean wrote:
Dear gmsh,
I'm trying to build a voronoi structure inside a box. I extract my nodes and
vertex points from qhull and put them into a script for gmsh and have stumbled
across a problem i hope you can help me with.
As my box contains 8 separate shapes sharing faces I am having an issue
defining internal surfaces. As each of my shapes have their own separate
vertices and nodes (obviously some are shared) when i write the script some
surfaces are unknown.
It seems that when i create a surface loop with an identified number this can
not be changed later but gmsh does not allow an identical surface loop to be
formed.
Is there any way of clearing the surface numbers so that later in the file i
can create the same loop or a way of force a re-numbering? Otherwise i have to
preform a check of shared surfaces which could be quite tricky.
Best regards
Julian
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