knotR: Knot Diagrams using Bezier Curves

`k6_1` <-	
structure(list(minsymvec = structure(c(13.1931683311074, -83.3359668576954, 
-143.413386698966, -278.984536485046, -261.896455140784, -0.645671219481803, 
-281.60570547447, -342.102091843003, -145.188531008416, -36.7105713962647, 
-54.5628806579381, 553.361720651029, 365.037360659063, 46.8691490311781, 
-393.025871273178, -69.5704950491232, 68.5880257239061, 313.812616980283, 
-118.857174512565, -266.36765305868, -129.188388835692, -182.105917759564, 
-306.456998607532, -129.332936081194, -108.705582940668, -323.728339856688, 
-268.042208945971, -51.8611638223543, -50.1655401112422, 554.560388443841, 
480.068052503533, 213.90820847178, -100.217153456662, -406.071384894931, 
-6.02898211665025, 144.901882966732, 358.933504613111, 375.771211616083, 
-171.533591816616, -279.804332237079), .Names = c("handle_A5", 
"handle_A6", "handle_A7", "handle_A8", "handle_A9", "handle_A12", 
"handle_A13", "handle_A14", "handle_A15", "handle_A19", "handle_A20", 
"handle_A26", "handle_A27", "handle_A28", "handle_A29", "handle_A32", 
"handle_A33", "handle_A34", "handle_A39", "handle_A40", "node6", 
"node7", "node8", "node9", "node12", "node13", "node14", "node19", 
"node20", "node25", "node26", "node27", "node28", "node29", "node32", 
"node33", "node34", "node35", "node39", "node40"), class = "minsymvec"), 
    overunderobj = structure(c(16, 3, 10, 19, 7, 13, 4, 18, 1, 
    12, 15, 8), .Dim = c(6L, 2L)), symobj = structure(list(Mver = structure(c(6, 
    14, 7, 13, 12, 8, 9, 19, 20, 4, 16, 3, 17, 18, 2, 1, 11, 
    10), .Dim = c(9L, 2L)), xver = c(5, 15), Mhor = NULL, xhor = NULL, 
        Mrot = NULL, exact_h = NULL, exact_v = NULL, mcdonalds = FALSE, 
        celtic = FALSE, reefknot = FALSE, center_crossing = FALSE, 
        indep = structure(c(FALSE, FALSE, FALSE, FALSE, TRUE, 
        TRUE, TRUE, TRUE, TRUE, FALSE, FALSE, TRUE, TRUE, TRUE, 
        TRUE, FALSE, FALSE, FALSE, TRUE, TRUE, FALSE, FALSE, 
        FALSE, FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, FALSE, FALSE, 
        TRUE, TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, 
        FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, TRUE, 
        TRUE, FALSE, FALSE, TRUE, TRUE, TRUE, FALSE, FALSE, FALSE, 
        FALSE, TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, TRUE, 
        TRUE, TRUE, TRUE, TRUE, FALSE, FALSE, TRUE, TRUE, TRUE, 
        TRUE, FALSE, 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", 
        "handle_A31", "handle_A32", "handle_A33", "handle_A34", 
        "handle_A35", "handle_A36", "handle_A37", "handle_A38", 
        "handle_A39", "handle_A40", "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", "node37", "node38", "node39", 
        "node40"))), .Names = c("Mver", "xver", "Mhor", "xhor", 
    "Mrot", "exact_h", "exact_v", "mcdonalds", "celtic", "reefknot", 
    "center_crossing", "indep"))), .Names = c("minsymvec", "overunderobj", 
"symobj"), class = "knot")