knotR: Knot Diagrams using Bezier Curves

`sum_31_41` <-
structure(list(minsymvec = structure(c(164.511636550305, 150.301160918955, 
107.6344149371, 372.158951705953, 334.29841670076, 110.153436468828, 
115.296720120426, 444.641194822828, 292.885380141118, 91.6581927459411, 
-192.571349937277, -428.902225064622, -375.281578628473, -99.8791114586242, 
-204.519831353891, -447.280820126926, -382.515488235167, -86.0449574006676, 
156.281354394211, -42.9703489930319, -325.149730388434, -388.926063183308, 
-125.563010361571, -35.7850054120787, 279.754872549602, 100.742269590732, 
-187.354445702344, -257.347089242082, -146.355378631054, 35.8246033627978, 
282.920288242242, 171.654053697057, -268.366650892055, -188.207075820965, 
14.7037035448815, 177.759695928131, 125.389095481895, 187.634550792629, 
389.002051317607, 255.114575937624, 77.2614182375375, 249.904593363539, 
416.489010239739, 236.326318371667, -12.32822899132, -279.281302295662, 
-435.09061875255, -279.713522578274, -102.514994272994, -297.705520434633, 
-440.890814446202, -268.530723883744, 69.0764178493786, -132.438892729684, 
-378.946104903629, -293.750181006706, -80.5544575897229, 56.2975716723008, 
263.677748984354, -14.3659153533706, -211.936424364845, -230.607266774647, 
-79.4624843502473, 119.865969203461, 276.11184818922, -4.53032765939997, 
-267.218763085104, -109.710226605604, 96.9384386790696, 220.096888050872
), .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", "node1", "node2", "node3", "node4", "node5", "node6", 
"node7", "node8", "node9", "node10", "node11", "node12", "node13", 
"node14", "node15", "node16", "node17", "node19", "node20", "node21", 
"node22", "node23", "node24", "node25", "node26", "node27", "node28", 
"node29", "node30", "node31", "node32", "node33", "node34", "node35", 
"node36"), class = "minsymvec"), overunderobj = structure(c(1, 
6, 10, 5, 15, 12, 18, 7, 2, 3, 9, 11, 17, 14), .Dim = c(7L, 2L
)), symobj = structure(list(Mver = NULL, xver = 18, 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, FALSE, 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), .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")