CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

Hello,

have you tried to use functions
remove(Vertex_handle v) and insert(Point p)
to mimic the move? is it to slow?

S.

piR wrote:
> Hi everyone,
>
> This is I guess a pretty stupid question but I just cannot seem to make it
> work properly.
> I need to move a point within a triangulation. 
> For that aim, I use the Vertex_handle->setpoint(Point) function a bit
> recklessly.
> Usually the new positions are almost the same as the previous ones (it is a
> relaxation step), so it seems to work fine.
> But of course, since I do not properly check whether the predicates are
> still verified after the move, there are cases where my triangulation gets
> corrupted.
>
> Would you mind helping me doing this properly?
> I tried to backtrack according to the result of the is_valid() functions,
> but to no avail.
> I swear I looked around, and only found a solution for a more restrictive
> Delaunay triangulation somewhere.
> Am a total CGAL newbie and this needs to work asap. 
>
> MANY THANKS!