CGAL users discussion list

[Andreas Fabri <>]

hi maximilian,

the alpha has to do with the ball moving around.
if all radii are the same you obtain something
almost identical to just points.

andreas


On 04/01/2011 19:36, Eggersdorfer Maximilian wrote:
> Hello Everybody,
>
> I try to use the 2d weighted alpha shapes to calculate the projected surface 
> area of a union of balls. As far as I understand the alpha value is the same 
> for all points (all circles have the same radius). Has anybody used 2d  
> weighted alpha shapes already with various radii for different points?
>
> Thanks in advance!
> Best
> Max
>
>
> Max Eggersdorfer
> Particle Technology Laboratory, ETH Zürich
> Sonneggstrasse 3, ML F 18
> CH-8092 Zurich (Switzerland)
> +41 44 632 39 52
> <mailto:>


--
Andreas Fabri, PhD
Chief Officer, GeometryFactory
Editor, The CGAL Project

phone: ++33.492.954.912    skype: andreas.fabri