11.5 VISUALIZATION OF RELATIONS 11.5.1 TREE VISUALIZATION Disadvantages Aspect ratio of the rectangles can become quite far from unity The nonleaf node visibility problem Addressed by a variant of the treemap layout(next slide) d口 日 others■ cpp exe口 国mov Figure 11.9. Treemap layout for the same file hierarchy as in Figure 11.5. colors indicate file types; -rectangle areas indicate file sizes11.5 VISUALIZATION OF RELATIONS 11.5.1 TREE VISUALIZATION Figure 11.9. Treemap layout for the same file hierarchy as in Figure 11.5. Colors indicate file types; rectangle areas indicate file sizes. Disadvantages: 1. Aspect ratio of the rectangles can become quite far from unity 2. The nonleaf node visibility problem Addressed by a variant of the treemap layout (next slide)