CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

The face type has a member function is_in_domain() that will help you 
filter those element out.

Sebastien.

http://doc.cgal.org/latest/Mesh_2/classDelaunayMeshFaceBase__2.html#a438ba4b035f8fcc7732565050aea2acf

On 04/21/2014 03:28 AM, TableYoung wrote:
> Hi everyone
>                recently,i use mesh_2 class to generate mesh of my input
> polygon.but the result is as not same as i want.
> <http://cgal-discuss.949826.n4.nabble.com/file/n4659166/%E4%BE%8B%E5%AD%90.png>
> <http://cgal-discuss.949826.n4.nabble.com/file/n4659166/iec.png> the scond
> figure2 is what want to get,the picture1 is the result of Delaunay
> Triangulation and mesh.how can i remove those redundant triangles near the
> original point. following is my code:
> CDT cdt;
>         std::ifstream in("data/triangulation_prog1.cin");
>         std::istream_iterator<Point> begin(in);
>         std::istream_iterator<Point> end;
>         std::istream_iterator<Point>itr=begin;
>         Point temp=(*itr);
>         itr++;
>         for (;itr!=end;++itr)
>         {
>                 cdt.insert_constraint(cdt.insert(temp),cdt.insert((*itr)));
>                 temp=(*itr);
>         }
>         std::list<Point> list_of_seeds;
>         list_of_seeds.push_back(Point(0, 0));
>         CGAL::refine_Delaunay_mesh_2(cdt, list_of_seeds.begin(),
> list_of_seeds.end(),
>                 Criteria());
>         std::cout<<"faces number:"<<cdt.number_of_faces();
> &lt;nabble_a
> href=&quot;triangulation_prog1.cin&quot;>triangulation_prog1.cin
> please someone help me.thx
>
>
>
> --
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> http://cgal-discuss.949826.n4.nabble.com/how-to-mesh-a-concave-polygon-tp4659166.html
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