Method getInternalNodes

src/figtree/treeviewer/ReRootedTree.java:291–293

@return a set of all nodes that have degree 2 or more. These nodes are often refered to as internal nodes.

()

     *         These nodes are often refered to as internal nodes.
     */
    public Set<Node> getInternalNodes() {
        return new LinkedHashSet<Node>(internalNodes);
    }

    /**
     * @return the set of taxa associated with the external