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[TableYoung <>]

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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