2ノード間の中間のノードのリストを入手
Control PanelのSelectで2ノード(AとBとする)を選択
Select -> Nodes -> First Neighbors Selected Nodes
Select -> Nodes -> Hide Unselected Nodes
From All Nodes and Edges
File -> Newnetwork From Selected Nodes and Selected Edges
Aノードを選択
Select -> Edges -> Select Adjacent Edges
Select -> Nodes -> Node Connected Select Edges
Bノードを選択
Select -> Nodes -> Hide Unselected Nodes
Bノードを選択
Select -> Edges -> Select Adjacent Edges
Select -> Nodes -> Node Connected Select Edges
Aノードを選択
Select -> Nodes -> Hide Unselected Nodes
Layout -> Prefuse Force DirectedLayout