CGAL users discussion list

[Laurent Rineau <>]

On Wednesday 24 September 2008 15:30:52 

 wrote:
> hi,
>
> I tried to run CGAL/examples/Surface_mesher/mesh_an_implicit_function.cpp
> and noticed that each time I run the program, the output is
> slightly different.
> The resulting mesh approximating the given geometry, in fact, has different
> points and cells.
>
> Why is this process not deterministic?

Initial points are searched randomly.

> Is there a way to make it  
> deterministic?

Add "CGAL::default_random = CGAL::Random(0);" at the beginning of main(). 
That 
should be enough.

-- 
Laurent Rineau, PhD
Engineer at GeometryFactory
http://www.geometryfactory.com/