CGAL users discussion list

[Sebastien Loriot <>]

Vitaliy wrote:
> Could anybody tell me if it is possible or not?
>
> Otherwise I have to implement it by my self...
>
> goal is: updating regular triangulation (instead of doing rebuilding 
> of it from scratch each time stap)
> So I get regular triangulation and then, each time step (I consider 
> moving points) I want to update it by doing flip of edge (in 2D) which 
> is not fit to "in circle" criteria (which is considered about weight).
>
> So, basically what I need from CGAL after I got my regular 
> triangulation - is flip.
> But I have to change coordinates of verteces (otherwise I didn't try 
> yet but I am not sure that flip will process correct)
>
> thank you
> Vitaliy
Have you consider using the remove and insert functions to simulate the 
move?

> On Mon, Aug 17, 2009 at 7:52 PM, Vitaliy < 
> <mailto:>> wrote:
>
>     Hello !
>
>     I have regular triangulation and want to modify vertices in it
>     (coordinates, weight).
>
>     I tried to make new weighted point and assign it to my vertex
>     handle with use operator "=" but it seems that this way doesn't work.
>
>     But for Delaunay triangulation it works.
>
>     Do you know how can I do it? (in order to maintain moving points)
>
>     Thank you,
>
>     Vitaliy