Method createExternalNode

src/figtree/treeviewer/ReRootedTree.java:135–139

Creates a new external node with the given taxon. See createInternalNode for a description of how to use these methods. @param source the source node @return the created node reference

(Node source, Taxon taxon)

     * @return the created node reference
     */
    private Node createExternalNode(Node source, Taxon taxon) {
        ReRootedNode node = new ReRootedNode(source, taxon);
        externalNodes.put(taxon, node);
        return node;
    }

    /**
     * Once a SimpleRootedTree has been created, the node stucture can be created by