CGAL users discussion list

[Sylvain Pion <>]

Lionel wrote:
> > it's faster to just update the pointers to the neighbors, rather than
> destructing the 2 faces, and constructing 2 new ones. I don't think the manual
> promises anything better.
>
> For me it is a bug. If your low level optimisation  creates incorrect high
> level user data it is a problem.

Incorrect means it would fail to match a documented interface, but CGAL never
promised to do that, so...

> So with CGAL I can not mark the faces with a unique data to retreive them or 
> to
> find new created/changed faces.

I agree that something needs to be done, but IMO we need more than simply
destroying/re-constructing the face objects, which has some efficiency
drawbacks at least.

--
Sylvain Pion
INRIA Sophia-Antipolis
Geometrica Project-Team
CGAL, http://cgal.org/