CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

On 05/20/2013 03:55 PM, 杨成林 wrote:
> There is a move() function in Triangulation_2, Triangulation_3,
> Delaunay_triangulation_2, Delaunay_triangulation_3 and
> Regular_triangulation_3. Why is there not such a function in
> Regular_triangulation_2?
There is, it is inherited. Just call it with your regular triangulation 
and it will work.

Sebastien.

> 2013/5/20 Sebastien Loriot (GeometryFactory) 
> <
> <mailto:>>
>
>     you need to explicitly call move (documented in the base class
>     Triangulation_2 [1]) each time you want to update a weight.
>     Note that a Vertex_handle is not valid when its vertex becomes hidden.
>
>
>     [1]
>     
> http://www.cgal.org/Manual/__latest/doc_html/cgal_manual/__Triangulation_2_ref/Class___Triangulation_2.htm
>     
> <http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Triangulation_2_ref/Class_Triangulation_2.htm>
>
>     Sebastien.
>
>
>     It should not be hard to write a member method function update_weight.
>
>
>     On 05/20/2013 08:51 AM, liudaisuda wrote:
>
>         Anyone? Please. The regular triangulation in my algorithm needs
>         to be updated
>         thousands of times. I got to find an efficient way. Indeed, my
>         approach
>         right now is  for each update of a single vertex information , I
>         cleared all
>         vertices of the regular triangulation and reload all vertex
>         information
>         again. While this worked, but it was too time-consuming. Please
>         help if you
>         can. Thanks a lot.
>
>
>
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> 杨成林
> Yang Chenglin