CGAL users discussion list

[Sylvain Pion <>]

Le 09/08/10 21:43, Derek a écrit :
> Specifically,
>
> I got as far as figuring out that I needed to implement a custom
> SpatialSortingTraits_3 class. I implemented it with all of the required
> functions, except I didn't know what to do for the Has Models section.
>
> It says at the
> http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Spatial_sorting_ref/Concept_SpatialSortingTraits_3.html#Cross_link_anchor_1675
> end of the page in the User Manual  that SpatialSortingTraits_3 should have
> any CGAL kernel. I don't know what to do for that part, so the code does not
> compile.

There is nothing to do here.  It says that CGAL kernels (e.g. 
CGAL::Cartesian...)
aremodels of this concept.

> Other than that, I just create a Hilbert_sort_3 object templatized to the
> SpatialSortingTraits_3 class I created and use its function.
>
> Compilation produces a bunch of template errors that narrow down to:
>
> error: no match for ‘operator<’

Can you send the code of your traits class, and the complete error message ?

--
Sylvain