t, ts = node_background.get_example_tree() t_bg = TreeFace(t, ts) n = main_tree.add_child() n.add_face(t_bg, 0, "aligned") t, ts = face_positions.get_example_tree() t_fpos = TreeFace(t, ts) n = main_tree.add_child() n.add_face(t_fpos, 0, "aligned") t, ts = phylotree_visualization.get_example_tree() t_phylo = TreeFace(t, ts) n = main_tree.add_child() n.add_face(t_phylo, 0, "aligned") t, ts = face_rotation.get_example_tree() temp_facet = TreeFace(t, ts) n = main_tree.add_child() n.add_face(temp_facet, 0, "aligned") t, ts = seq_motif_faces.get_example_tree() temp_facet = TreeFace(t, ts) n = main_tree.add_child() n.add_face(temp_facet, 0, "aligned") t, ts = barchart_and_piechart_faces.get_example_tree() temp_facet = TreeFace(t, ts) n = main_tree.add_child() n.add_face(temp_facet, 0, "aligned") # Test orphan nodes and trees with 0 branch length