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[TableYoung <>]

Hi brYang,
           How do you draw the cells ?  or like the code show below:
  Delaunay_triangulation::finite_face_iterator
begin=DT.finite_facets_begin(),end=finite_facets_end();
        for(;begin!=end;++begin){
                Delaunay_triangulation::Cell_handle 
cell_handle=(*begin).first;
                int index=(*begin).second;
                int i=(index+1)&3,j=(index+2)&3,k=(index+3)&3;
                std::cout<<cell_handle->vertex(i)->point()<<","\
                            <<cell_handle->vertex(j)->point()<<","\
                            <<cell_handle->vertex(k)->point()<<std::endl;
                        }
Maybe the code draw triangulation data struct is incorrect, because Delaunay
triangulation algorithm is stable,
try to find out is there some wrong with your code;
BR
TobeYang



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