11.5 VISUALIZATION OF RELATIONS 11.5.1 TREE VISUALIZATION ■rot o level 2 O level 3 others FFserver Figure 11.8. Cone-tree layout for the same file hierarchy asin-Figure- 11.5.11.5 VISUALIZATION OF RELATIONS 11.5.1 TREE VISUALIZATION Figure 11.8. Cone-tree layout for the same file hierarchy as in Figure 11.5