CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

On 03/26/2012 09:31 PM, Tomislav Maric wrote:
> Hi everyone,
>
> I went through the MyPoint2 and MyKernel files from the Kernel examples 
> directory. Also, I've
> spent some time reading on the Kernel concept. The thing is, I would like to 
> use Polyhedron_3
> with Point_3 and Vector_3 coming from another library (point and vector 
> classes). Both of them
> conform to the requirements prescribed by the Kernel::Point_3 and 
> Kernel::Vector_3 concepts(trivial),
> and they do not bring any new information (such as color from the above 
> mentioned example of a 2D
> point). Also, I expect them to behave exactly as Point_3 and Vector_3 when it 
> comes to geometrical
> predicates and other function objects (after all, they are just a point and a 
> vector).
>
>
> Is it O.K. if I simply typedef the new point/vector type into Kernel::Point_3 
> and Kernel::Vector_3, after inheriting from a specific Kernel Class, within 
> my Kernel?
>
> I have tried different things, but I would really appreciate some guidance on 
> this, as I want to
> do things right and there is a lot of information to process...
>
> Thanks,
> Tomislav
If you provide a new model for the following concept
http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Polyhedron_ref/Concept_PolyhedronTraits_3.html
as first template parameter of te Polyhedron_3 class that should work.

For predicates then this is another story. I think you need to follow
the instructions.

Sebastien.