11.5 VISUALIZATION OF RELATIONS 11.5.1 TREE VISUALIZATION Two different methods for visualizing trees Ball-and-stick drawing( the most widespread method Limitation take a considerable amount of space Treemaps a different layout for tree structures that use virtually every pixel of display space to convey information Every subtree is represented by a rectangle11.5 VISUALIZATION OF RELATIONS 11.5.1 TREE VISUALIZATION • Two different methods for visualizing trees • Ball-and-stick drawing (the most widespread method) • Limitation: take a considerable amount of space • Treemaps • A different layout for tree structures that use virtually every pixel of display space to convey information • Every subtree is represented by a rectangle