#FIG 3.2 Landscape Center Metric Letter 100.00 Single -2 1200 2 1 2 1 1 0 7 100 0 20 4.000 1 0.0000 1826 872 783 298 1043 574 2610 1170 2 1 1 1 0 7 100 0 20 4.000 0 0 -1 0 0 2 1035 900 180 900 2 1 1 1 0 7 100 0 20 4.000 0 0 -1 0 0 2 2374 662 2914 212 2 1 1 1 0 7 100 0 20 4.000 0 0 -1 0 0 2 2056 1176 2461 2031 4 0 0 100 0 16 12 0.0000 4 180 1230 1215 945 Design Pattern\001 4 0 0 100 0 16 12 0.0000 4 135 540 180 1125 Role 1\001 4 0 0 100 0 16 12 0.0000 4 135 540 2115 315 Role 2\001 4 0 0 100 0 16 12 0.0000 4 135 540 1755 1980 Role 3\001 .