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[BRYang <>]

Hi, I am trying to compute the power diagram of some spheres, and access the
indices of the vertices. 
For now, I access the vertices, edges and facets with the
Finite_vertices_iterator fvi, Finite_edges_iterator fei and
Finite_facets_iterator ffi, and access the vertices as follows:
//vertex:
   fvi->point()
//two vertices of edge:
   fei->first->vertex(fei->second)->point()
   fei->first->vertex(fei->third)->point()
//three vertices of facet:
   ffi->first->vertex(0)->point()
   ffi->first->vertex(1)->point()
   ffi->first->vertex(2)->point()

Am I doing it right?

The other problem is that is there a way to access the indices of vertices
of the edges and faces? Thank you!



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