DGraphTreeModel.SubTreeMakeThis functor creates a model centered on a vertex from a graph
module G : Graphviz.GraphWithDotAttrsinclude S with type Tree.V.label = G.V.tmodule Tree : Graphviz.GraphWithDotAttrs with type V.label = G.V.tmodule TreeManipulation : sig ... endclass tree_model : graph_layout -> TreeManipulation.t -> [Tree.V.t, Tree.E.t, cluster]
Graph__.DGraphModel.abstract_modelval tree : unit -> TreeManipulation.t