DGraphTreeModel.SubTreeDotModelMakeCreates a model centered on a vertex from a dot model
include S with type Tree.V.label = DGraphModel.DotG.V.tmodule Tree : Graphviz.GraphWithDotAttrs with type V.label = DGraphModel.DotG.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.tval from_model : ?depth_forward:int -> ?depth_backward:int -> DGraphModel.dotg_model -> DGraphModel.DotG.V.t -> tree_model