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. Author manuscript; available in PMC: 2020 Aug 1.
Published in final edited form as: ACM Trans Math Softw. 2019 Aug;45(3):28. doi: 10.1145/3321515

Table 1.

Traversal order of the visitors for the decimation shown in Figure 5a.

Order MainVisitor InnerVisitor GrabVisitor Maps to
1 {3,4} {3,4} {3,4}, {3}, {4} {6}
2 {3,4} {1,3,4} {1,3,4}, {1,3}, {1,4} {1,6}
3 {3,4} {3,4,5} {3,4,5}, {3,5}, {4,5} {3,6}
4 {3} {0,3} {0,3} {0,6}
5 {3} {0,1,3} {0,1,3} {0,1,6}
6 {3} {0,3,5} {0,3,5} {0,5,6}
7 {4} {2,4} {3,5} {5,6}
8 {4} {1,2,4} {1,2,4} {1,2,6}
9 {4} {2,4,5} {2,4,5} {2,5,6}