knotR: Knot Diagrams using Bezier Curves

`k8_2` <- 
structure(list(minsymvec = structure(c(-27.800657100296, -256.171726147675, 
-326.848667424498, -216.645152358685, 119.797198057223, -177.504115944317, 
-229.676911563012, -208.553971531785, -244.911874289354, -142.070284431451, 
-21.6957298958203, -162.012127582081, -37.554078841329, -27.046061824474, 
-142.78201158234, -316.07344893096, -428.631191654221, 107.372995182958, 
31.0908051482183, -154.185529849323, -446.989868970215, -612.572065328995, 
23.1432100027658, 214.881186035944, -120.236040340124, -291.220839400247, 
-291.260861207688, -111.273004396736, -189.065097774977, -233.977350670397, 
-212.189089695308, -222.778497327136, -79.8258307399683, -64.6864701632926, 
-136.222585838368, -80.4657261675128, -196.487635688251, -370.527900844892, 
-498.431595700346, 185.342247115739, 91.1464958680417, -46.3309851750821, 
-283.287536621225, -512.301854082244, -607.371743886851, 75.6283481351202, 
305.974858253697, 416.155837149701), .Names = c("handle_A3", 
"handle_A4", "handle_A5", "handle_A6", "handle_A12", "handle_A13", 
"handle_A14", "handle_A15", "handle_A16", "handle_A17", "handle_A22", 
"handle_A23", "handle_A24", "handle_A27", "handle_A28", "handle_A29", 
"handle_A30", "handle_A37", "handle_A38", "handle_A39", "handle_A40", 
"handle_A41", "handle_A46", "handle_A47", "node3", "node4", "node5", 
"node6", "node13", "node14", "node15", "node16", "node17", "node22", 
"node23", "node27", "node28", "node29", "node30", "node36", "node37", 
"node38", "node39", "node40", "node41", "node46", "node47", "node48"
), class = "minsymvec"), overunderobj = structure(c(12, 21, 9, 
18, 6, 15, 3, 23, 2, 10, 19, 7, 16, 4, 22, 13), .Dim = c(8L, 
2L)), symobj = structure(list(Mver = structure(c(23, 13, 14, 
22, 3, 4, 5, 15, 6, 16, 17, 1, 11, 10, 2, 21, 20, 19, 9, 18, 
8, 7), .Dim = c(11L, 2L)), xver = c(12, 24), 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, TRUE, TRUE, TRUE, TRUE, 
    FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, TRUE, 
    FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, FALSE, FALSE, FALSE, 
    FALSE, FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, FALSE, 
    FALSE, FALSE, FALSE, TRUE, TRUE, FALSE, FALSE, FALSE, TRUE, 
    TRUE, TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, 
    TRUE, TRUE, FALSE, FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, 
    FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, 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", "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"))), .Names = c("Mver", "xver", "Mhor", "xhor", "Mrot", 
"exact_h", "exact_v", "mcdonalds", "celtic", "reefknot", "center_crossing", 
"indep"))), .Names = c("minsymvec", "overunderobj", "symobj"), class = "knot")