CGAL users discussion list

[Andreas Fabri <>]

What you write would hold for any class.

for(...){

 std::vector<int> V = FunctionThatCreatesAVector()

 std::cout << &v << std::endl;
}

Your FunctionThatCreatesAVector()
should  create a vector<int> with new
and then return the pointer.

andreas


On 27/05/2015 07:55, Daniel Abler wrote:
> Dear List,
>
> I would like to create a list of pointers to Polyhedron_3 objects (created in 
> a loop) for later meshing via Polyhedral_mesh_domain_3, as in the following 
> pseudocode:
>
> struct K: public CGAL::Exact_predicates_inexact_constructions_kernel {};
> typedef CGAL::Polyhedron_3<K>         Polyhedron;
> [...]
>
> std::list<Polyhedron*> poly_pointer_list;
>
> for (...)
> {
>         [...]
>         Polyhedron  cgalpoly = 
> FunctionThatCreatesCgalPolyhedronFromVTKPolyData;
>         poly_pointer_list.push_back(&cgalpoly);
> }
>
> The problem here is that &cgalpoly always points to the same address... I 
> suspect this has to do with the 'copy constructor' of Polyhedron_3 or my  
> 'FunctionToCreateCgalPolyhedronFromVTKPolyData'.
>
> How can I make sure that each cgalpoly created in the loop is kept in memory 
> and can be addressed by an unique pointer?
>
> Many thanks,
> Daniel

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

phone: +33.492.954.912    skype: andreas.fabri