
218 CHAPTER 6. PLANAR STRAIGHT-LINE DRAWING ALGORITHMS
v
1
= (15, 0, 0)
v
2
= (0, 15, 0)
v
10
= (0, 0, 15)
v
9
= (4, 2, 9)
v
7
= (5, 5, 5)
v
6
= (1, 11, 3)
v
8
= (7, 1, 7)
v
5
= (11, 2, 2)
v
4
= (3, 10, 2)
v
3
= (7, 7, 1)
Figure 6.25 Barycentric coordinates obtained from a realizer.
v
1
v
2
v
10
v
9
v
7
v
6
v
5
v
4
v
3
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
v
8
Figure 6.26 Planar straight-line grid drawing obtained from the barycentric coordinates
of Figure 6.25 by dropping the third (red) coordinate. The horizontal and vertical axes are
shown reversed to maintain the visual correspondence with the drawing of Figure 6.25.