An Algorithm for Generating a Family of Alternating Knots

Figure 4

(a) Chain code for a section of a link. To calculate 𝑝 and 𝑞, a corresponding right angle of reference is needed; the configurations (b) to (f) illustrate the cases (𝑝,𝑞)=(4,1), (3,1), (4,3), (1,3); and (2,3).