CGAL users discussion list

[Jeffrey Bush <>]

crobar wrote
> I would like to do this too, could you possibly explain how you updated it
> please?

If you are using any kernel whose FT supports std:sqrt (like double or maybe
EPIC) then just include <CGAL/triangulate_polyhedron.h> and call
CGAL::triangulate_polyhedron(my_polyhedron).

If you are using any other kernel, you will have to include
<CGAL/internal/Operations_on_polyhedra/compute_normal.h> and define a
specialization of the following template function:

    template <class Facet, class Kernel>
    typename Kernel::Vector_3 compute_facet_normal(const Facet& f);

for your Polyhedron::Facet and Polyhedron::Traits types. You could copy the
definition of the original (available at
http://fossies.org/dox/CGAL-4.4/include_2CGAL_2internal_2Operations__on__polyhedra_2compute__normal_8h_source.html
or in your own source) and replace the std::sqrt with something else (like
Kernel::FT(CGAL::sqrt(CGAL::to_double(n*n))).

After you have created a specialization of the compute_facet_normal function
you can include and use the triangulate_polyhedron function as normal.



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