CGAL users discussion list

[aseverino <>]

Sure. I'll open an issue. But first I think it's best if you guys check if
there is something dumb I could perhaps be missing here (my "divide to
conquer" attempt):

class Combiner
{
public:
        Combiner(std::vector<Triangle_mesh_exact>& toCombine);
        ~Combiner() {};

        Triangle_mesh_exact combineMeshes();

private:
        std::vector<Triangle_mesh_exact> m_toCombine;
};


Combiner::Combiner(std::vector<Triangle_mesh_exact>& toCombine)
{
        m_toCombine = std::move(toCombine);
}

Triangle_mesh_exact combine(Triangle_mesh_exact& a, Triangle_mesh_exact& b)
{
        Triangle_mesh_exact c;
        CGAL::Polygon_mesh_processing::corefine_and_compute_union(a, b, c);
        return c;
}

Triangle_mesh_exact Combiner::combineMeshes()
{
        if (m_toCombine.size() == 1) return m_toCombine.front();
        
        return std::reduce(std::execution::par,
                m_toCombine.begin(), m_toCombine.end(),
                m_toCombine.front(), combine);
}

Triangle_mesh_exact is a Exact_predicates_exact_constructions_kernel
Surface_mesh.



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