CGAL users discussion list

[Andreas Fabri <>]

Hello,

It is not so much the AABB Tree, but the point type.
Simple_cartesian<double>::Point_3 or
Exact_predicates_inexact_constructions_kernel::Point_3
should work. As soon as you use Cartesian, or
an exact number type the reference counting
poses a problem here.

best,

andreas


On 03/09/2015 18:44, gupta61 wrote:
> Hi,
>
> I am trying to use a method from the AABB tree. The exact method is
>
> CGAL_AABB_Tree_Point_and_primitive_id  pt_and_primit =
>       aabb_tree_cr_surf.closest_point_and_primitive(
> iset::ConcRigArr1dToCGALPoint3( glPnt ) );
>
> where glPnt is some CGAL Point in 3D. I was wondering if this method is
> thread safe. When I try to run this right now, I get the following error,
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7fffe84d1700 (LWP 21805)]
> 0x00000000007447a4 in CGAL::Handle::~Handle (this=0x7fffb0004330) at
> /home/gupta61/SetSolver_hg_checkin_heatFluid_office/CGAL-4.4/include/CGAL/Handle.h:63
> 63                  delete PTR;
>
> I was wondering if you had any recommendation on how to use the AABB tree in
> a parallel setting with thread safety. Thanks.
>
> Regards,
> Piyush Gupta
>
>
>
>
> -----
> Piyush Gupta
> UIUC
> --
> View this message in context: 
> http://cgal-discuss.949826.n4.nabble.com/Thread-safety-in-CGAL-AABB-tree-tp4661127.html
> Sent from the cgal-discuss mailing list archive at Nabble.com.

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

phone: +33.492.954.912    skype: andreas.fabri