CGAL users discussion list

[Olivier Devillers <>]

Le 5/23/13 7:18 AM, Sebastien Loriot (GeometryFactory) a écrit :
> On 05/21/2013 06:48 PM, liudaisuda wrote:
> > My last question here, hopefully it doesn't bother you. How can I 
> > test if a
> > vertex-handle is valid or not？ I couldn't find the doc for 
> > vertex_handle and
> > thus, not sure whether there exists a is_valid() method for a 
> > vertex_handle.
> Note that an alternative to the move is to use
> remove and then insert.
> There is a second optional parameter to insert which a guess of a 
> Face_handle where the point should be that you can use to speed things 
> up.

If you are increasing the weight, just insert using old point as an hint 
to speed up point location
(old point will be hidden)