[Gmsh] MVertex ID

[Christophe Geuzaine]

Chaman Singh Verma wrote:
> Hello,
> 
> In MVertex.h, the document says:
> 
> // the id number of the vertex (this number is unique and is
> // guaranteed never to change once a mesh has been generated)
>  
>  int _num;
> 
> and in the same class MVertex there is function
> 
> setNum(int num )
> 
> which allows changing the _num value.
> 
> In fact, in surface meshing, setNum has been used and therefore IDs are 
> modified.  There are many
> situations where this modification creates big problems. Can we stick to 
> the first rule that _num will
> never be modified and any use of local numbering may be done by index ( 
> in the MVertex.h ) class.
> 


MVertex::_num is *not* modified once the mesh has been created.





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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine