CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

Modifying the triangulation using vh->set_point(newPoint) does not
modify the combinatorial structure of the triangulation and can
make the triangulation invalid.

You need to use the move function instead: t.move(vh,newPoint).

Sebastien.

On 01/28/2013 12:33 PM, Vero wrote:
> Dear members,
>
> I have been using the Constrained_Delaunay_triangulation_2 for a
> mass-spring model.  However, I am getting somewhat worried that when the
> triangles get flipped, the behaviour of ccw and cw may not be returning
> the vertices according to their original orientation, but according to
> their current orientation.  I had supposed the opposite.  Could you
> please give me some help here?  To set the new coordinate of the
> vertices I have been using vh->set_point(newPoint).
>
> Thanks,
>
> --
>
> Veronica E. Arriola
>
> Room G5 Chemistry West,
> School of Computer Science
> University of Birmingham
> http://www.cs.bham.ac.uk/~vxa855/