Re: [igraph] ids in function igraph_neighborhood_graphs

[Tamas Nepusz]

> Guys, could anyone tell me whether the nodes id are preserved
> when I use the function igraph_neighborhood_graphs.
No.

> can I determine what is the new id of the node that I used as seed
> for this function. I basically have to delete this node form the final
> neighborhood graph.
I think you'll have to use vertex attributes. Mark the seed vertex
with a vertex attribute with a specific value, then look for the same
value among the vertex attributes of the neighborhood graph.

T.