knotR: Knot Diagrams using Bezier Curves

`k8_20` <- 
structure(list(minsymvec = structure(c(383.659078128639, 308.985375156292, 
112.075319988453, -134.277619106335, -168.096729942089, -146.436843336159, 
-6.49129491487178, 171.419542375375, 357.41504379765, 325.17423601779, 
133.403367866967, -202.240926972767, -323.507662890692, -283.745686102683, 
-140.485886717998, 108.430230654042, 142.828318363826, 153.312349244609, 
146.977268683386, 13.8959408239437, -78.4764974538293, -138.749837661224, 
-86.3697611376746, -17.3253809193833, 136.209104382865, 64.5537403653684, 
-159.483058754644, -254.425355265418, -209.60427805557, -76.3766990045399, 
-21.8865630429978, 8.77694072109365, -24.6253310115325, -171.791881044708, 
-364.326869088286, -439.077905798569, -358.940184686471, -92.0503775267018, 
71.4229911604315, 214.653950801657, 129.92047617802, -42.9229954906164, 
-236.832290256762, -476.978210426566, -568.173768161916, -351.199630036146, 
-209.413945366156, 27.3724266046651, 201.43649630611, 377.02358799364, 
248.262461982014, 16.6915440881483, -158.642257657958, -164.931022535626, 
-99.3133575925454, 67.5993193944772, 242.208279458598, 359.194039915543, 
267.378589485854, 0.185142002329064, -263.225176722133, -314.768251930252, 
-247.881202859352, -43.2966404743944, 131.092396802551, 143.830528441876, 
154.872278993355, 104.97266428849, -121.13534558935, -120.574531713082, 
-52.4421139947805, 21.0828798781891, 235.539186153274, -18.6065531330037, 
-197.368184401955, -249.348617594993, -163.270477631975, -68.1482002659644, 
-1.78026428335475, -9.20753019463399, -68.0608482826879, -238.610394337437, 
-399.009766757487, -409.820721166524, -273.006269229637, -36.7070134371057, 
114.597725323191, 207.383599096472, 64.9665550556544, -137.143195381206, 
-327.470059625414, -522.407099856433, -569.675027073816, -498.138378496093, 
-294.783849085964, -109.120132486358, 82.9149367569786, 177.108866402147
), .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", "handle_A41", "handle_A42", "handle_A43", "handle_A44", 
"handle_A46", "handle_A47", "handle_A48", "handle_A49", "handle_A50", 
"node1", "node2", "node3", "node4", "node5", "node6", "node7", 
"node8", "node9", "node10", "node11", "node12", "node13", "node14", 
"node15", "node16", "node17", "node18", "node19", "node21", "node22", 
"node23", "node24", "node25", "node26", "node27", "node28", "node29", 
"node30", "node31", "node32", "node33", "node34", "node35", "node36", 
"node37", "node38", "node39", "node40", "node41", "node42", "node43", 
"node44", "node45", "node46", "node47", "node48", "node49", "node50"
), class = "minsymvec"), overunderobj = structure(c(25, 17, 3, 
19, 12, 23, 7, 9, 16, 8, 18, 11, 22, 4, 24, 2), .Dim = c(8L, 
2L)), symobj = structure(list(Mver = NULL, xver = 20, Mhor = NULL, 
    xhor = NULL, Mrot = NULL, exact_h = NULL, exact_v = NULL, 
    mcdonalds = FALSE, celtic = FALSE, reefknot = FALSE, center_crossing = FALSE, 
    indep = structure(c(TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, FALSE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, 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", "handle_A41", "handle_A42", "handle_A43", 
    "handle_A44", "handle_A45", "handle_A46", "handle_A47", "handle_A48", 
    "handle_A49", "handle_A50", "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", "node41", 
    "node42", "node43", "node44", "node45", "node46", "node47", 
    "node48", "node49", "node50"))), .Names = c("Mver", "xver", 
"Mhor", "xhor", "Mrot", "exact_h", "exact_v", "mcdonalds", "celtic", 
"reefknot", "center_crossing", "indep"))), .Names = c("minsymvec", 
"overunderobj", "symobj"), class = "knot")