knotR: Knot Diagrams using Bezier Curves

`k6_2` <-
    structure(list(minsymvec = structure(c(-263.74596273331, 120.199623181864, 
-250.125357866191, -210.443283448171, -37.8230226171361, -225.601104383306, 
-19.0160958365981, -289.821617778904, 465.710564986743, -209.910398001511, 
141.875260769391, -83.7557228395645, -324.810197141757, -20.8148365915415, 
154.234518689924, -152.480284406402, -273.592451697739, -113.277123510193, 
-79.3843538763925, -158.80181226332, -114.008017750414, -314.073180332516, 
466.72301290459, -272.345301372802, -68.3625112345639, 263.430276121978, 
-135.908942188553, -461.229026004297, 52.3740613067915, 259.753432485949
), .Names = c("handle_A1", "handle_A4", "handle_A5", "handle_A6", 
"handle_A10", "handle_A11", "handle_A14", "handle_A15", "handle_A16", 
"handle_A20", "handle_A21", "handle_A25", "handle_A26", "handle_A29", 
"handle_A30", "node1", "node5", "node6", "node10", "node11", 
"node14", "node15", "node16", "node19", "node20", "node21", "node25", 
"node26", "node29", "node30"), class = "minsymvec"), overunderobj = structure(c(7, 
3, 10, 5, 13, 15, 2, 9, 14, 11, 4, 6), .Dim = c(6L, 2L)), symobj = structure(list(
    Mver = structure(c(1, 15, 6, 14, 10, 5, 11, 7, 8, 2, 9, 13, 
    3, 12), .Dim = c(7L, 2L)), xver = 4, Mhor = NULL, xhor = NULL, 
    Mrot = NULL, mcdonalds = FALSE, celtic = FALSE, indep = structure(c(TRUE, 
    FALSE, FALSE, TRUE, TRUE, TRUE, FALSE, FALSE, FALSE, TRUE, 
    TRUE, FALSE, FALSE, TRUE, TRUE, TRUE, FALSE, FALSE, FALSE, 
    TRUE, TRUE, FALSE, FALSE, FALSE, TRUE, TRUE, FALSE, FALSE, 
    TRUE, TRUE, TRUE, FALSE, FALSE, FALSE, TRUE, TRUE, FALSE, 
    FALSE, FALSE, TRUE, TRUE, FALSE, FALSE, TRUE, TRUE, TRUE, 
    FALSE, FALSE, TRUE, TRUE, TRUE, FALSE, FALSE, FALSE, TRUE, 
    TRUE, FALSE, FALSE, TRUE, TRUE), .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", "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"))), .Names = c("Mver", 
"xver", "Mhor", "xhor", "Mrot", "mcdonalds", "celtic", "indep"
))), .Names = c("minsymvec", "overunderobj", "symobj"), class = "knot")