- addSubelement( category, "Depth", String.valueOf( PhylogenyMethods.calculateDepth( phylogeny_node ) ) );
- final double d = PhylogenyMethods.calculateDistanceToRoot( phylogeny_node );
+ addSubelement( category, "Depth", String.valueOf( phylogeny_node.calculateDepth() ) );
+ final double d = phylogeny_node.calculateDistanceToRoot();