[Gmsh] nodal coordinates

Christophe Geuzaine cgeuzaine at ulg.ac.be
Wed Jan 30 09:28:44 CET 2008


Manav Bhatia wrote:
> Hi,
> 
>     I have a couple of questions about the meshing procedures inside  
> gmsh. When an elementary entity (line/surface/volume) is defined and  
> meshed, do the created nodes have local non-dimensionalized  
> coordinates in their respective line/surface/volume definitions?

They do internally, but we don't save them.

We are actually thinking about adding an optional field in the output 
files to provide these parametric coordinates.


>     If so, is it possible to get these printed, or have access to them  
> through an API?
> 

cf. MEdgeVertex and MFaceVertex in Geo/MVertex.h


>     I would greatly appreciate any help on this matter.
>     Happy Holidays and a Happy New Year to everyone...!!
> 
> Regards,
> Manav
> 
>   
>    
> 
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine