knotR: Knot Diagrams using Bezier Curves

`k7_4` <-
structure(list(minsymvec = structure(c(-18.4837713098574, 0.0391730625492323, 
-253.629778456576, -216.79814387903, 402.051518957619, 106.270694514574, 
4.991025476024, 188.908915307168, 444.695123843816, -104.913215751526, 
-240.691436192265, -93.3637423104262, -266.628201199231, -131.065200710991, 
286.489719768126, 76.7705117460031, 279.074827298923, 451.158121456183
), .Names = c("handle_A8", "handle_A14", "handle_A15", "handle_A16", 
"handle_A26", "handle_A27", "handle_A32", "handle_A33", "handle_A34", 
"node8", "node9", "node14", "node15", "node16", "node26", "node32", 
"node33", "node34"), class = "minsymvec"), overunderobj = structure(c(1, 
11, 4, 14, 6, 17, 9, 13, 2, 10, 5, 18, 8, 15), .Dim = c(7L, 2L
)), symobj = structure(list(Mver = structure(c(16, 15, 8, 14, 
9, 4, 10, 3, 2, 7, 6, 17, 5, 18, 13, 1, 12, 11), .Dim = c(9L, 
2L)), xver = NULL, Mhor = structure(c(6, 7, 5, 17, 16, 8, 14, 
15, 12, 11, 13, 1, 2, 10, 4, 3), .Dim = c(8L, 2L)), xhor = c(9, 
18), Mrot = NULL, exact_h = NULL, exact_v = NULL, mcdonalds = TRUE, 
    celtic = TRUE, reefknot = FALSE, center_crossing = FALSE, 
    indep = structure(c(FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, 
    FALSE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, 
    TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, 
    FALSE, TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, 
    TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, 
    FALSE, TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, 
    TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, 
    FALSE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, 
    TRUE, FALSE, FALSE), .Names = c("handle_A1", "handle_A2", 
    "handle_A3", "handle_A4", "handle_A5", "handle_A6", "handle_A7", 
    "handle_A8", "handle_A9", "handle_A10", "handle_A11", "handle_A12", 
    "handle_A13", "handle_A14", "handle_A15", "handle_A16", "handle_A17", 
    "handle_A18", "handle_A19", "handle_A20", "handle_A21", "handle_A22", 
    "handle_A23", "handle_A24", "handle_A25", "handle_A26", "handle_A27", 
    "handle_A28", "handle_A29", "handle_A30", "handle_A31", "handle_A32", 
    "handle_A33", "handle_A34", "handle_A35", "handle_A36", "node1", 
    "node2", "node3", "node4", "node5", "node6", "node7", "node8", 
    "node9", "node10", "node11", "node12", "node13", "node14", 
    "node15", "node16", "node17", "node18", "node19", "node20", 
    "node21", "node22", "node23", "node24", "node25", "node26", 
    "node27", "node28", "node29", "node30", "node31", "node32", 
    "node33", "node34", "node35", "node36"))), .Names = c("Mver", 
"xver", "Mhor", "xhor", "Mrot", "exact_h", "exact_v", "mcdonalds", 
"celtic", "reefknot", "center_crossing", "indep"))), .Names = c("minsymvec", 
"overunderobj", "symobj"), class = "knot")