[Gmsh] progress with CGNS boundary data

Christophe Geuzaine cgeuzaine at ulg.ac.be
Tue Aug 3 23:11:49 CEST 2010

Hi Nigel - I've always been intrigued by CGNS, but never had a chance to 
look it up in detail. The CGNS code in Gmsh was contributed by Stepen 
Guzik (in CC). His code is quite complex: he's probably the best person 
to contact.


On 24/07/10 21:17, Nigel Nunn wrote:
> Hi to gmsh developers,
> The svn code for writeCGNS looks great.  I’m stepping through it
> trying to get the region-surface boundary data our solver needs.
> I've found a few places where unexpected things happen.  Is there
> someone among the active developers currently interested in sorting
> this out, or simply interested in getting face boundary data?
> To export such data directly from Netgen, we had to call
> mesh.UpdateTopology() which builds all the necessary data structures.
> It looks like something similar is being done in GModelIO_CGNS.cpp by
> zoneTask?
> If anyone is interested in discussing this, please let me know.  I
> think I failed to subscribe to the mailing list, so might be best to
> also email me at nnnunnn at gmail.com
> thanks for all the great stuff in gmsh!
> Nigel

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