CGAL users discussion list

[Philipp Moeller <>]

Edoardo Milotti 
<>
 writes:

> I am developing a program where the order of vertices of a Delaunay 
> triangulation matters, and I wish to obtain the same sequence of vertices 
> in repeated runs. Thus I need to set the seed of the CGAL random number 
> generator. Does anybody know how to do it in the current version of CGAL? 
> Thank you. 

CGAL::Random takes an unsigned int as its seed argument and the
generator constructors take a CGAL::Random as an argument (which
defaults to a default constructed CGAL::Random).

See:
http://www.cgal.org/Manual/3.8/doc_html/cgal_manual/Generator_ref/Class_Random.html
and
http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Generator_ref/Concept_PointGenerator.html

HTH,
Philipp